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fastai/fastai
old/fastai/text.py
numericalize_tok
def numericalize_tok(tokens, max_vocab=50000, min_freq=0, unk_tok="_unk_", pad_tok="_pad_", bos_tok="_bos_", eos_tok="_eos_"): """Takes in text tokens and returns int2tok and tok2int converters Arguments: tokens(list): List of tokens. Can be a list of strings, or a list of lists of strings. ...
python
def numericalize_tok(tokens, max_vocab=50000, min_freq=0, unk_tok="_unk_", pad_tok="_pad_", bos_tok="_bos_", eos_tok="_eos_"): """Takes in text tokens and returns int2tok and tok2int converters Arguments: tokens(list): List of tokens. Can be a list of strings, or a list of lists of strings. ...
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Takes in text tokens and returns int2tok and tok2int converters Arguments: tokens(list): List of tokens. Can be a list of strings, or a list of lists of strings. max_vocab(int): Number of tokens to return in the vocab (sorted by frequency) min_freq(int): Minimum number of instances a to...
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/text.py#L19-L41
20,901
fastai/fastai
fastai/text/models/qrnn.py
QRNN.reset
def reset(self): "If your convolutional window is greater than 1 and you save previous xs, you must reset at the beginning of each new sequence." for layer in self.layers: layer.reset() if self.bidirectional: for layer in self.layers_bwd: layer.reset()
python
def reset(self): "If your convolutional window is greater than 1 and you save previous xs, you must reset at the beginning of each new sequence." for layer in self.layers: layer.reset() if self.bidirectional: for layer in self.layers_bwd: layer.reset()
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If your convolutional window is greater than 1 and you save previous xs, you must reset at the beginning of each new sequence.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/text/models/qrnn.py#L148-L152
20,902
fastai/fastai
docs_src/nbval/kernel.py
start_new_kernel
def start_new_kernel(startup_timeout=60, kernel_name='python', **kwargs): """Start a new kernel, and return its Manager and Client""" logger.debug('Starting new kernel: "%s"' % kernel_name) km = KernelManager(kernel_name=kernel_name, kernel_spec_manager=NbvalKernelspecManager()) k...
python
def start_new_kernel(startup_timeout=60, kernel_name='python', **kwargs): """Start a new kernel, and return its Manager and Client""" logger.debug('Starting new kernel: "%s"' % kernel_name) km = KernelManager(kernel_name=kernel_name, kernel_spec_manager=NbvalKernelspecManager()) k...
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Start a new kernel, and return its Manager and Client
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/docs_src/nbval/kernel.py#L48-L64
20,903
fastai/fastai
docs_src/nbval/kernel.py
RunningKernel.get_message
def get_message(self, stream, timeout=None): """ Function is used to get a message from the iopub channel. Timeout is None by default When timeout is reached """ try: if stream == 'iopub': msg = self.kc.get_iopub_msg(timeout=timeout) ...
python
def get_message(self, stream, timeout=None): """ Function is used to get a message from the iopub channel. Timeout is None by default When timeout is reached """ try: if stream == 'iopub': msg = self.kc.get_iopub_msg(timeout=timeout) ...
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Function is used to get a message from the iopub channel. Timeout is None by default When timeout is reached
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/docs_src/nbval/kernel.py#L115-L132
20,904
fastai/fastai
docs_src/nbval/kernel.py
RunningKernel.execute_cell_input
def execute_cell_input(self, cell_input, allow_stdin=None): """ Executes a string of python code in cell input. We do not allow the kernel to make requests to the stdin this is the norm for notebooks Function returns a unique message id of the reply from the kernel....
python
def execute_cell_input(self, cell_input, allow_stdin=None): """ Executes a string of python code in cell input. We do not allow the kernel to make requests to the stdin this is the norm for notebooks Function returns a unique message id of the reply from the kernel....
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Executes a string of python code in cell input. We do not allow the kernel to make requests to the stdin this is the norm for notebooks Function returns a unique message id of the reply from the kernel.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/docs_src/nbval/kernel.py#L134-L147
20,905
fastai/fastai
docs_src/nbval/kernel.py
RunningKernel.await_idle
def await_idle(self, parent_id, timeout): """Poll the iopub stream until an idle message is received for the given parent ID""" while True: # Get a message from the kernel iopub channel msg = self.get_message(timeout=timeout, stream='iopub') # raises Empty on timeout! ...
python
def await_idle(self, parent_id, timeout): """Poll the iopub stream until an idle message is received for the given parent ID""" while True: # Get a message from the kernel iopub channel msg = self.get_message(timeout=timeout, stream='iopub') # raises Empty on timeout! ...
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Poll the iopub stream until an idle message is received for the given parent ID
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/docs_src/nbval/kernel.py#L166-L176
20,906
fastai/fastai
docs_src/nbval/kernel.py
RunningKernel.stop
def stop(self): """ Instructs the kernel process to stop channels and the kernel manager to then shutdown the process. """ logger.debug('Stopping kernel') self.kc.stop_channels() self.km.shutdown_kernel(now=True) del self.km
python
def stop(self): """ Instructs the kernel process to stop channels and the kernel manager to then shutdown the process. """ logger.debug('Stopping kernel') self.kc.stop_channels() self.km.shutdown_kernel(now=True) del self.km
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Instructs the kernel process to stop channels and the kernel manager to then shutdown the process.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/docs_src/nbval/kernel.py#L200-L208
20,907
fastai/fastai
old/fastai/dataset.py
resize_img
def resize_img(fname, targ, path, new_path, fn=None): """ Enlarge or shrink a single image to scale, such that the smaller of the height or width dimension is equal to targ. """ if fn is None: fn = resize_fn(targ) dest = os.path.join(path_for(path, new_path, targ), fname) if os.path.exis...
python
def resize_img(fname, targ, path, new_path, fn=None): """ Enlarge or shrink a single image to scale, such that the smaller of the height or width dimension is equal to targ. """ if fn is None: fn = resize_fn(targ) dest = os.path.join(path_for(path, new_path, targ), fname) if os.path.exis...
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Enlarge or shrink a single image to scale, such that the smaller of the height or width dimension is equal to targ.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/dataset.py#L34-L44
20,908
fastai/fastai
old/fastai/dataset.py
read_dir
def read_dir(path, folder): """ Returns a list of relative file paths to `path` for all files within `folder` """ full_path = os.path.join(path, folder) fnames = glob(f"{full_path}/*.*") directories = glob(f"{full_path}/*/") if any(fnames): return [os.path.relpath(f,path) for f in fnames] ...
python
def read_dir(path, folder): """ Returns a list of relative file paths to `path` for all files within `folder` """ full_path = os.path.join(path, folder) fnames = glob(f"{full_path}/*.*") directories = glob(f"{full_path}/*/") if any(fnames): return [os.path.relpath(f,path) for f in fnames] ...
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Returns a list of relative file paths to `path` for all files within `folder`
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/dataset.py#L89-L99
20,909
fastai/fastai
old/fastai/dataset.py
read_dirs
def read_dirs(path, folder): ''' Fetches name of all files in path in long form, and labels associated by extrapolation of directory names. ''' lbls, fnames, all_lbls = [], [], [] full_path = os.path.join(path, folder) for lbl in sorted(os.listdir(full_path)): if lbl not in ('.ipynb_che...
python
def read_dirs(path, folder): ''' Fetches name of all files in path in long form, and labels associated by extrapolation of directory names. ''' lbls, fnames, all_lbls = [], [], [] full_path = os.path.join(path, folder) for lbl in sorted(os.listdir(full_path)): if lbl not in ('.ipynb_che...
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Fetches name of all files in path in long form, and labels associated by extrapolation of directory names.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/dataset.py#L101-L114
20,910
fastai/fastai
old/fastai/dataset.py
n_hot
def n_hot(ids, c): ''' one hot encoding by index. Returns array of length c, where all entries are 0, except for the indecies in ids ''' res = np.zeros((c,), dtype=np.float32) res[ids] = 1 return res
python
def n_hot(ids, c): ''' one hot encoding by index. Returns array of length c, where all entries are 0, except for the indecies in ids ''' res = np.zeros((c,), dtype=np.float32) res[ids] = 1 return res
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one hot encoding by index. Returns array of length c, where all entries are 0, except for the indecies in ids
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/dataset.py#L116-L122
20,911
fastai/fastai
old/fastai/dataset.py
parse_csv_labels
def parse_csv_labels(fn, skip_header=True, cat_separator = ' '): """Parse filenames and label sets from a CSV file. This method expects that the csv file at path :fn: has two columns. If it has a header, :skip_header: should be set to True. The labels in the label set are expected to be space separated...
python
def parse_csv_labels(fn, skip_header=True, cat_separator = ' '): """Parse filenames and label sets from a CSV file. This method expects that the csv file at path :fn: has two columns. If it has a header, :skip_header: should be set to True. The labels in the label set are expected to be space separated...
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Parse filenames and label sets from a CSV file. This method expects that the csv file at path :fn: has two columns. If it has a header, :skip_header: should be set to True. The labels in the label set are expected to be space separated. Arguments: fn: Path to a CSV file. skip_header: A...
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/dataset.py#L140-L162
20,912
fastai/fastai
old/fastai/dataset.py
isdicom
def isdicom(fn): '''True if the fn points to a DICOM image''' fn = str(fn) if fn.endswith('.dcm'): return True # Dicom signature from the dicom spec. with open(fn,'rb') as fh: fh.seek(0x80) return fh.read(4)==b'DICM'
python
def isdicom(fn): '''True if the fn points to a DICOM image''' fn = str(fn) if fn.endswith('.dcm'): return True # Dicom signature from the dicom spec. with open(fn,'rb') as fh: fh.seek(0x80) return fh.read(4)==b'DICM'
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True if the fn points to a DICOM image
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/dataset.py#L245-L253
20,913
fastai/fastai
old/fastai/dataset.py
open_image
def open_image(fn): """ Opens an image using OpenCV given the file path. Arguments: fn: the file path of the image Returns: The image in RGB format as numpy array of floats normalized to range between 0.0 - 1.0 """ flags = cv2.IMREAD_UNCHANGED+cv2.IMREAD_ANYDEPTH+cv2.IMREAD_ANYCOLO...
python
def open_image(fn): """ Opens an image using OpenCV given the file path. Arguments: fn: the file path of the image Returns: The image in RGB format as numpy array of floats normalized to range between 0.0 - 1.0 """ flags = cv2.IMREAD_UNCHANGED+cv2.IMREAD_ANYDEPTH+cv2.IMREAD_ANYCOLO...
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Opens an image using OpenCV given the file path. Arguments: fn: the file path of the image Returns: The image in RGB format as numpy array of floats normalized to range between 0.0 - 1.0
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/dataset.py#L255-L293
20,914
fastai/fastai
old/fastai/dataset.py
FilesDataset.denorm
def denorm(self,arr): """Reverse the normalization done to a batch of images. Arguments: arr: of shape/size (N,3,sz,sz) """ if type(arr) is not np.ndarray: arr = to_np(arr) if len(arr.shape)==3: arr = arr[None] return self.transform.denorm(np.rollaxis(arr,1,4...
python
def denorm(self,arr): """Reverse the normalization done to a batch of images. Arguments: arr: of shape/size (N,3,sz,sz) """ if type(arr) is not np.ndarray: arr = to_np(arr) if len(arr.shape)==3: arr = arr[None] return self.transform.denorm(np.rollaxis(arr,1,4...
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Reverse the normalization done to a batch of images. Arguments: arr: of shape/size (N,3,sz,sz)
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/dataset.py#L317-L325
20,915
fastai/fastai
old/fastai/dataset.py
ImageData.resized
def resized(self, dl, targ, new_path, resume = True, fn=None): """ Return a copy of this dataset resized """ return dl.dataset.resize_imgs(targ, new_path, resume=resume, fn=fn) if dl else None
python
def resized(self, dl, targ, new_path, resume = True, fn=None): """ Return a copy of this dataset resized """ return dl.dataset.resize_imgs(targ, new_path, resume=resume, fn=fn) if dl else None
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Return a copy of this dataset resized
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/dataset.py#L423-L427
20,916
fastai/fastai
old/fastai/dataset.py
ImageData.resize
def resize(self, targ_sz, new_path='tmp', resume=True, fn=None): """ Resizes all the images in the train, valid, test folders to a given size. Arguments: targ_sz (int): the target size new_path (str): the path to save the resized images (default tmp) resume (bool): if Tr...
python
def resize(self, targ_sz, new_path='tmp', resume=True, fn=None): """ Resizes all the images in the train, valid, test folders to a given size. Arguments: targ_sz (int): the target size new_path (str): the path to save the resized images (default tmp) resume (bool): if Tr...
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Resizes all the images in the train, valid, test folders to a given size. Arguments: targ_sz (int): the target size new_path (str): the path to save the resized images (default tmp) resume (bool): if True, check for images in the DataSet that haven't been resized yet (useful if a previo...
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/dataset.py#L429-L447
20,917
fastai/fastai
old/fastai/dataset.py
ImageClassifierData.from_arrays
def from_arrays(cls, path, trn, val, bs=64, tfms=(None,None), classes=None, num_workers=4, test=None, continuous=False): """ Read in images and their labels given as numpy arrays Arguments: path: a root path of the data (used for storing trained models, precomputed values, etc) ...
python
def from_arrays(cls, path, trn, val, bs=64, tfms=(None,None), classes=None, num_workers=4, test=None, continuous=False): """ Read in images and their labels given as numpy arrays Arguments: path: a root path of the data (used for storing trained models, precomputed values, etc) ...
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Read in images and their labels given as numpy arrays Arguments: path: a root path of the data (used for storing trained models, precomputed values, etc) trn: a tuple of training data matrix and target label/classification array (e.g. `trn=(x,y)` where `x` has the shape ...
[ "Read", "in", "images", "and", "their", "labels", "given", "as", "numpy", "arrays" ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/dataset.py#L476-L495
20,918
fastai/fastai
old/fastai/dataset.py
ImageClassifierData.from_paths
def from_paths(cls, path, bs=64, tfms=(None,None), trn_name='train', val_name='valid', test_name=None, test_with_labels=False, num_workers=8): """ Read in images and their labels given as sub-folder names Arguments: path: a root path of the data (used for storing trained models, precomputed...
python
def from_paths(cls, path, bs=64, tfms=(None,None), trn_name='train', val_name='valid', test_name=None, test_with_labels=False, num_workers=8): """ Read in images and their labels given as sub-folder names Arguments: path: a root path of the data (used for storing trained models, precomputed...
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Read in images and their labels given as sub-folder names Arguments: path: a root path of the data (used for storing trained models, precomputed values, etc) bs: batch size tfms: transformations (for data augmentations). e.g. output of `tfms_from_model` trn_name:...
[ "Read", "in", "images", "and", "their", "labels", "given", "as", "sub", "-", "folder", "names" ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/dataset.py#L498-L519
20,919
fastai/fastai
old/fastai/dataset.py
ImageClassifierData.from_csv
def from_csv(cls, path, folder, csv_fname, bs=64, tfms=(None,None), val_idxs=None, suffix='', test_name=None, continuous=False, skip_header=True, num_workers=8, cat_separator=' '): """ Read in images and their labels given as a CSV file. This method should be used when training image lab...
python
def from_csv(cls, path, folder, csv_fname, bs=64, tfms=(None,None), val_idxs=None, suffix='', test_name=None, continuous=False, skip_header=True, num_workers=8, cat_separator=' '): """ Read in images and their labels given as a CSV file. This method should be used when training image lab...
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Read in images and their labels given as a CSV file. This method should be used when training image labels are given in an CSV file as opposed to sub-directories with label names. Arguments: path: a root path of the data (used for storing trained models, precomputed values, etc) ...
[ "Read", "in", "images", "and", "their", "labels", "given", "as", "a", "CSV", "file", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/dataset.py#L522-L553
20,920
fastai/fastai
old/fastai/dataset.py
ImageClassifierData.from_path_and_array
def from_path_and_array(cls, path, folder, y, classes=None, val_idxs=None, test_name=None, num_workers=8, tfms=(None,None), bs=64): """ Read in images given a sub-folder and their labels given a numpy array Arguments: path: a root path of the data (used for storing trained model...
python
def from_path_and_array(cls, path, folder, y, classes=None, val_idxs=None, test_name=None, num_workers=8, tfms=(None,None), bs=64): """ Read in images given a sub-folder and their labels given a numpy array Arguments: path: a root path of the data (used for storing trained model...
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Read in images given a sub-folder and their labels given a numpy array Arguments: path: a root path of the data (used for storing trained models, precomputed values, etc) folder: a name of the folder in which training images are contained. y: numpy array which contains targe...
[ "Read", "in", "images", "given", "a", "sub", "-", "folder", "and", "their", "labels", "given", "a", "numpy", "array" ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/dataset.py#L556-L578
20,921
fastai/fastai
fastai/utils/ipython.py
gpu_mem_restore
def gpu_mem_restore(func): "Reclaim GPU RAM if CUDA out of memory happened, or execution was interrupted" @functools.wraps(func) def wrapper(*args, **kwargs): tb_clear_frames = os.environ.get('FASTAI_TB_CLEAR_FRAMES', None) if not IS_IN_IPYTHON or tb_clear_frames=="0": return fun...
python
def gpu_mem_restore(func): "Reclaim GPU RAM if CUDA out of memory happened, or execution was interrupted" @functools.wraps(func) def wrapper(*args, **kwargs): tb_clear_frames = os.environ.get('FASTAI_TB_CLEAR_FRAMES', None) if not IS_IN_IPYTHON or tb_clear_frames=="0": return fun...
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Reclaim GPU RAM if CUDA out of memory happened, or execution was interrupted
[ "Reclaim", "GPU", "RAM", "if", "CUDA", "out", "of", "memory", "happened", "or", "execution", "was", "interrupted" ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/utils/ipython.py#L35-L55
20,922
fastai/fastai
fastai/gen_doc/nbdoc.py
link_type
def link_type(arg_type, arg_name=None, include_bt:bool=True): "Create link to documentation." arg_name = arg_name or fn_name(arg_type) if include_bt: arg_name = code_esc(arg_name) if belongs_to_module(arg_type, 'torch') and ('Tensor' not in arg_name): return f'[{arg_name}]({get_pytorch_link(arg_type)})'...
python
def link_type(arg_type, arg_name=None, include_bt:bool=True): "Create link to documentation." arg_name = arg_name or fn_name(arg_type) if include_bt: arg_name = code_esc(arg_name) if belongs_to_module(arg_type, 'torch') and ('Tensor' not in arg_name): return f'[{arg_name}]({get_pytorch_link(arg_type)})'...
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Create link to documentation.
[ "Create", "link", "to", "documentation", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/gen_doc/nbdoc.py#L31-L37
20,923
fastai/fastai
fastai/gen_doc/nbdoc.py
belongs_to_module
def belongs_to_module(t, module_name): "Check if `t` belongs to `module_name`." if hasattr(t, '__func__'): return belongs_to_module(t.__func__, module_name) if not inspect.getmodule(t): return False return inspect.getmodule(t).__name__.startswith(module_name)
python
def belongs_to_module(t, module_name): "Check if `t` belongs to `module_name`." if hasattr(t, '__func__'): return belongs_to_module(t.__func__, module_name) if not inspect.getmodule(t): return False return inspect.getmodule(t).__name__.startswith(module_name)
[ "def", "belongs_to_module", "(", "t", ",", "module_name", ")", ":", "if", "hasattr", "(", "t", ",", "'__func__'", ")", ":", "return", "belongs_to_module", "(", "t", ".", "__func__", ",", "module_name", ")", "if", "not", "inspect", ".", "getmodule", "(", ...
Check if `t` belongs to `module_name`.
[ "Check", "if", "t", "belongs", "to", "module_name", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/gen_doc/nbdoc.py#L41-L45
20,924
fastai/fastai
fastai/gen_doc/nbdoc.py
format_ft_def
def format_ft_def(func, full_name:str=None)->str: "Format and link `func` definition to show in documentation" sig = inspect.signature(func) name = f'<code>{full_name or func.__name__}</code>' fmt_params = [format_param(param) for name,param in sig.parameters.items() if name not in ('s...
python
def format_ft_def(func, full_name:str=None)->str: "Format and link `func` definition to show in documentation" sig = inspect.signature(func) name = f'<code>{full_name or func.__name__}</code>' fmt_params = [format_param(param) for name,param in sig.parameters.items() if name not in ('s...
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Format and link `func` definition to show in documentation
[ "Format", "and", "link", "func", "definition", "to", "show", "in", "documentation" ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/gen_doc/nbdoc.py#L79-L89
20,925
fastai/fastai
fastai/gen_doc/nbdoc.py
get_enum_doc
def get_enum_doc(elt, full_name:str)->str: "Formatted enum documentation." vals = ', '.join(elt.__members__.keys()) return f'{code_esc(full_name)}',f'<code>Enum</code> = [{vals}]'
python
def get_enum_doc(elt, full_name:str)->str: "Formatted enum documentation." vals = ', '.join(elt.__members__.keys()) return f'{code_esc(full_name)}',f'<code>Enum</code> = [{vals}]'
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Formatted enum documentation.
[ "Formatted", "enum", "documentation", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/gen_doc/nbdoc.py#L91-L94
20,926
fastai/fastai
fastai/gen_doc/nbdoc.py
get_cls_doc
def get_cls_doc(elt, full_name:str)->str: "Class definition." parent_class = inspect.getclasstree([elt])[-1][0][1][0] name,args = format_ft_def(elt, full_name) if parent_class != object: args += f' :: {link_type(parent_class, include_bt=True)}' return name,args
python
def get_cls_doc(elt, full_name:str)->str: "Class definition." parent_class = inspect.getclasstree([elt])[-1][0][1][0] name,args = format_ft_def(elt, full_name) if parent_class != object: args += f' :: {link_type(parent_class, include_bt=True)}' return name,args
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Class definition.
[ "Class", "definition", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/gen_doc/nbdoc.py#L96-L101
20,927
fastai/fastai
fastai/gen_doc/nbdoc.py
doc
def doc(elt): "Show `show_doc` info in preview window along with link to full docs." global use_relative_links use_relative_links = False elt = getattr(elt, '__func__', elt) md = show_doc(elt, markdown=False) if is_fastai_class(elt): md += f'\n\n<a href="{get_fn_link(elt)}" target="_blan...
python
def doc(elt): "Show `show_doc` info in preview window along with link to full docs." global use_relative_links use_relative_links = False elt = getattr(elt, '__func__', elt) md = show_doc(elt, markdown=False) if is_fastai_class(elt): md += f'\n\n<a href="{get_fn_link(elt)}" target="_blan...
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Show `show_doc` info in preview window along with link to full docs.
[ "Show", "show_doc", "info", "in", "preview", "window", "along", "with", "link", "to", "full", "docs", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/gen_doc/nbdoc.py#L126-L139
20,928
fastai/fastai
fastai/gen_doc/nbdoc.py
format_docstring
def format_docstring(elt, arg_comments:dict={}, alt_doc_string:str='', ignore_warn:bool=False)->str: "Merge and format the docstring definition with `arg_comments` and `alt_doc_string`." parsed = "" doc = parse_docstring(inspect.getdoc(elt)) description = alt_doc_string or f"{doc['short_description']} {...
python
def format_docstring(elt, arg_comments:dict={}, alt_doc_string:str='', ignore_warn:bool=False)->str: "Merge and format the docstring definition with `arg_comments` and `alt_doc_string`." parsed = "" doc = parse_docstring(inspect.getdoc(elt)) description = alt_doc_string or f"{doc['short_description']} {...
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Merge and format the docstring definition with `arg_comments` and `alt_doc_string`.
[ "Merge", "and", "format", "the", "docstring", "definition", "with", "arg_comments", "and", "alt_doc_string", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/gen_doc/nbdoc.py#L141-L157
20,929
fastai/fastai
fastai/gen_doc/nbdoc.py
link_docstring
def link_docstring(modules, docstring:str, overwrite:bool=False)->str: "Search `docstring` for backticks and attempt to link those functions to respective documentation." mods = listify(modules) for mod in mods: _modvars.update(mod.__dict__) # concat all module definitions return re.sub(BT_REGEX, replac...
python
def link_docstring(modules, docstring:str, overwrite:bool=False)->str: "Search `docstring` for backticks and attempt to link those functions to respective documentation." mods = listify(modules) for mod in mods: _modvars.update(mod.__dict__) # concat all module definitions return re.sub(BT_REGEX, replac...
[ "def", "link_docstring", "(", "modules", ",", "docstring", ":", "str", ",", "overwrite", ":", "bool", "=", "False", ")", "->", "str", ":", "mods", "=", "listify", "(", "modules", ")", "for", "mod", "in", "mods", ":", "_modvars", ".", "update", "(", "...
Search `docstring` for backticks and attempt to link those functions to respective documentation.
[ "Search", "docstring", "for", "backticks", "and", "attempt", "to", "link", "those", "functions", "to", "respective", "documentation", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/gen_doc/nbdoc.py#L169-L173
20,930
fastai/fastai
fastai/gen_doc/nbdoc.py
find_elt
def find_elt(modvars, keyword, match_last=False): "Attempt to resolve keywords such as Learner.lr_find. `match_last` starts matching from last component." keyword = strip_fastai(keyword) if keyword in modvars: return modvars[keyword] comps = keyword.split('.') comp_elt = modvars.get(comps[0]) if...
python
def find_elt(modvars, keyword, match_last=False): "Attempt to resolve keywords such as Learner.lr_find. `match_last` starts matching from last component." keyword = strip_fastai(keyword) if keyword in modvars: return modvars[keyword] comps = keyword.split('.') comp_elt = modvars.get(comps[0]) if...
[ "def", "find_elt", "(", "modvars", ",", "keyword", ",", "match_last", "=", "False", ")", ":", "keyword", "=", "strip_fastai", "(", "keyword", ")", "if", "keyword", "in", "modvars", ":", "return", "modvars", "[", "keyword", "]", "comps", "=", "keyword", "...
Attempt to resolve keywords such as Learner.lr_find. `match_last` starts matching from last component.
[ "Attempt", "to", "resolve", "keywords", "such", "as", "Learner", ".", "lr_find", ".", "match_last", "starts", "matching", "from", "last", "component", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/gen_doc/nbdoc.py#L175-L181
20,931
fastai/fastai
fastai/gen_doc/nbdoc.py
import_mod
def import_mod(mod_name:str, ignore_errors=False): "Return module from `mod_name`." splits = str.split(mod_name, '.') try: if len(splits) > 1 : mod = importlib.import_module('.' + '.'.join(splits[1:]), splits[0]) else: mod = importlib.import_module(mod_name) return mod except: ...
python
def import_mod(mod_name:str, ignore_errors=False): "Return module from `mod_name`." splits = str.split(mod_name, '.') try: if len(splits) > 1 : mod = importlib.import_module('.' + '.'.join(splits[1:]), splits[0]) else: mod = importlib.import_module(mod_name) return mod except: ...
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Return module from `mod_name`.
[ "Return", "module", "from", "mod_name", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/gen_doc/nbdoc.py#L183-L191
20,932
fastai/fastai
fastai/gen_doc/nbdoc.py
show_doc_from_name
def show_doc_from_name(mod_name, ft_name:str, doc_string:bool=True, arg_comments:dict={}, alt_doc_string:str=''): "Show documentation for `ft_name`, see `show_doc`." mod = import_mod(mod_name) splits = str.split(ft_name, '.') assert hasattr(mod, splits[0]), print(f"Module {mod_name} doesn't have a funct...
python
def show_doc_from_name(mod_name, ft_name:str, doc_string:bool=True, arg_comments:dict={}, alt_doc_string:str=''): "Show documentation for `ft_name`, see `show_doc`." mod = import_mod(mod_name) splits = str.split(ft_name, '.') assert hasattr(mod, splits[0]), print(f"Module {mod_name} doesn't have a funct...
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Show documentation for `ft_name`, see `show_doc`.
[ "Show", "documentation", "for", "ft_name", "see", "show_doc", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/gen_doc/nbdoc.py#L193-L202
20,933
fastai/fastai
fastai/gen_doc/nbdoc.py
get_ft_names
def get_ft_names(mod, include_inner=False)->List[str]: "Return all the functions of module `mod`." # If the module has an attribute __all__, it picks those. # Otherwise, it returns all the functions defined inside a module. fn_names = [] for elt_name in get_exports(mod): elt = getattr(mod,el...
python
def get_ft_names(mod, include_inner=False)->List[str]: "Return all the functions of module `mod`." # If the module has an attribute __all__, it picks those. # Otherwise, it returns all the functions defined inside a module. fn_names = [] for elt_name in get_exports(mod): elt = getattr(mod,el...
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Return all the functions of module `mod`.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/gen_doc/nbdoc.py#L209-L228
20,934
fastai/fastai
fastai/gen_doc/nbdoc.py
get_inner_fts
def get_inner_fts(elt)->List[str]: "List the inner functions of a class." fts = [] for ft_name in elt.__dict__.keys(): if ft_name.startswith('_'): continue ft = getattr(elt, ft_name) if inspect.isfunction(ft): fts.append(f'{elt.__name__}.{ft_name}') if inspect.ismethod(ft): f...
python
def get_inner_fts(elt)->List[str]: "List the inner functions of a class." fts = [] for ft_name in elt.__dict__.keys(): if ft_name.startswith('_'): continue ft = getattr(elt, ft_name) if inspect.isfunction(ft): fts.append(f'{elt.__name__}.{ft_name}') if inspect.ismethod(ft): f...
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List the inner functions of a class.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/gen_doc/nbdoc.py#L230-L239
20,935
fastai/fastai
fastai/gen_doc/nbdoc.py
get_module_toc
def get_module_toc(mod_name): "Display table of contents for given `mod_name`." mod = import_mod(mod_name) ft_names = mod.__all__ if hasattr(mod,'__all__') else get_ft_names(mod) ft_names.sort(key = str.lower) tabmat = '' for ft_name in ft_names: tabmat += f'- [{ft_name}](#{ft_name})\n' ...
python
def get_module_toc(mod_name): "Display table of contents for given `mod_name`." mod = import_mod(mod_name) ft_names = mod.__all__ if hasattr(mod,'__all__') else get_ft_names(mod) ft_names.sort(key = str.lower) tabmat = '' for ft_name in ft_names: tabmat += f'- [{ft_name}](#{ft_name})\n' ...
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Display table of contents for given `mod_name`.
[ "Display", "table", "of", "contents", "for", "given", "mod_name", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/gen_doc/nbdoc.py#L241-L254
20,936
fastai/fastai
fastai/gen_doc/nbdoc.py
get_fn_link
def get_fn_link(ft)->str: "Return function link to notebook documentation of `ft`. Private functions link to source code" ft = getattr(ft, '__func__', ft) anchor = strip_fastai(get_anchor(ft)) module_name = strip_fastai(get_module_name(ft)) base = '' if use_relative_links else FASTAI_DOCS return...
python
def get_fn_link(ft)->str: "Return function link to notebook documentation of `ft`. Private functions link to source code" ft = getattr(ft, '__func__', ft) anchor = strip_fastai(get_anchor(ft)) module_name = strip_fastai(get_module_name(ft)) base = '' if use_relative_links else FASTAI_DOCS return...
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Return function link to notebook documentation of `ft`. Private functions link to source code
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/gen_doc/nbdoc.py#L278-L284
20,937
fastai/fastai
fastai/gen_doc/nbdoc.py
get_pytorch_link
def get_pytorch_link(ft)->str: "Returns link to pytorch docs of `ft`." name = ft.__name__ ext = '.html' if name == 'device': return f'{PYTORCH_DOCS}tensor_attributes{ext}#torch-device' if name == 'Tensor': return f'{PYTORCH_DOCS}tensors{ext}#torch-tensor' if name.startswith('torchvision'): ...
python
def get_pytorch_link(ft)->str: "Returns link to pytorch docs of `ft`." name = ft.__name__ ext = '.html' if name == 'device': return f'{PYTORCH_DOCS}tensor_attributes{ext}#torch-device' if name == 'Tensor': return f'{PYTORCH_DOCS}tensors{ext}#torch-tensor' if name.startswith('torchvision'): ...
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Returns link to pytorch docs of `ft`.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/gen_doc/nbdoc.py#L288-L308
20,938
fastai/fastai
fastai/gen_doc/nbdoc.py
get_source_link
def get_source_link(file, line, display_text="[source]", **kwargs)->str: "Returns github link for given file" link = f"{SOURCE_URL}{file}#L{line}" if display_text is None: return link return f'<a href="{link}" class="source_link" style="float:right">{display_text}</a>'
python
def get_source_link(file, line, display_text="[source]", **kwargs)->str: "Returns github link for given file" link = f"{SOURCE_URL}{file}#L{line}" if display_text is None: return link return f'<a href="{link}" class="source_link" style="float:right">{display_text}</a>'
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Returns github link for given file
[ "Returns", "github", "link", "for", "given", "file" ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/gen_doc/nbdoc.py#L310-L314
20,939
fastai/fastai
fastai/gen_doc/nbdoc.py
get_function_source
def get_function_source(ft, **kwargs)->str: "Returns link to `ft` in source code." try: line = inspect.getsourcelines(ft)[1] except Exception: return '' mod_path = get_module_name(ft).replace('.', '/') + '.py' return get_source_link(mod_path, line, **kwargs)
python
def get_function_source(ft, **kwargs)->str: "Returns link to `ft` in source code." try: line = inspect.getsourcelines(ft)[1] except Exception: return '' mod_path = get_module_name(ft).replace('.', '/') + '.py' return get_source_link(mod_path, line, **kwargs)
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Returns link to `ft` in source code.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/gen_doc/nbdoc.py#L316-L321
20,940
fastai/fastai
docs_src/nbval/plugin.py
find_comment_markers
def find_comment_markers(cellsource): """Look through the cell source for comments which affect nbval's behaviour Yield an iterable of ``(MARKER_TYPE, True)``. """ found = {} for line in cellsource.splitlines(): line = line.strip() if line.startswith('#'): # print("Found...
python
def find_comment_markers(cellsource): """Look through the cell source for comments which affect nbval's behaviour Yield an iterable of ``(MARKER_TYPE, True)``. """ found = {} for line in cellsource.splitlines(): line = line.strip() if line.startswith('#'): # print("Found...
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Look through the cell source for comments which affect nbval's behaviour Yield an iterable of ``(MARKER_TYPE, True)``.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/docs_src/nbval/plugin.py#L135-L160
20,941
fastai/fastai
docs_src/nbval/plugin.py
coalesce_streams
def coalesce_streams(outputs): """ Merge all stream outputs with shared names into single streams to ensure deterministic outputs. Parameters ---------- outputs : iterable of NotebookNodes Outputs being processed """ if not outputs: return outputs new_outputs = [] ...
python
def coalesce_streams(outputs): """ Merge all stream outputs with shared names into single streams to ensure deterministic outputs. Parameters ---------- outputs : iterable of NotebookNodes Outputs being processed """ if not outputs: return outputs new_outputs = [] ...
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Merge all stream outputs with shared names into single streams to ensure deterministic outputs. Parameters ---------- outputs : iterable of NotebookNodes Outputs being processed
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/docs_src/nbval/plugin.py#L796-L831
20,942
fastai/fastai
docs_src/nbval/plugin.py
transform_streams_for_comparison
def transform_streams_for_comparison(outputs): """Makes failure output for streams better by having key be the stream name""" new_outputs = [] for output in outputs: if (output.output_type == 'stream'): # Transform output new_outputs.append({ 'output_type': 's...
python
def transform_streams_for_comparison(outputs): """Makes failure output for streams better by having key be the stream name""" new_outputs = [] for output in outputs: if (output.output_type == 'stream'): # Transform output new_outputs.append({ 'output_type': 's...
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Makes failure output for streams better by having key be the stream name
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/docs_src/nbval/plugin.py#L834-L846
20,943
fastai/fastai
docs_src/nbval/plugin.py
_trim_base64
def _trim_base64(s): """Trim and hash base64 strings""" if len(s) > 64 and _base64.match(s.replace('\n', '')): h = hash_string(s) s = '%s...<snip base64, md5=%s...>' % (s[:8], h[:16]) return s
python
def _trim_base64(s): """Trim and hash base64 strings""" if len(s) > 64 and _base64.match(s.replace('\n', '')): h = hash_string(s) s = '%s...<snip base64, md5=%s...>' % (s[:8], h[:16]) return s
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Trim and hash base64 strings
[ "Trim", "and", "hash", "base64", "strings" ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/docs_src/nbval/plugin.py#L873-L878
20,944
fastai/fastai
docs_src/nbval/plugin.py
_indent
def _indent(s, indent=' '): """Intent each line with indent""" if isinstance(s, six.string_types): return '\n'.join(('%s%s' % (indent, line) for line in s.splitlines())) return s
python
def _indent(s, indent=' '): """Intent each line with indent""" if isinstance(s, six.string_types): return '\n'.join(('%s%s' % (indent, line) for line in s.splitlines())) return s
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Intent each line with indent
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
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20,945
fastai/fastai
docs_src/nbval/plugin.py
IPyNbFile.setup
def setup(self): """ Called by pytest to setup the collector cells in . Here we start a kernel and setup the sanitize patterns. """ if self.parent.config.option.current_env: kernel_name = CURRENT_ENV_KERNEL_NAME else: kernel_name = self.nb.metadat...
python
def setup(self): """ Called by pytest to setup the collector cells in . Here we start a kernel and setup the sanitize patterns. """ if self.parent.config.option.current_env: kernel_name = CURRENT_ENV_KERNEL_NAME else: kernel_name = self.nb.metadat...
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Called by pytest to setup the collector cells in . Here we start a kernel and setup the sanitize patterns.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
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20,946
fastai/fastai
docs_src/nbval/plugin.py
IPyNbFile.setup_sanitize_files
def setup_sanitize_files(self): """ For each of the sanitize files that were specified as command line options load the contents of the file into the sanitise patterns dictionary. """ for fname in self.get_sanitize_files(): with open(fname, 'r') as f: ...
python
def setup_sanitize_files(self): """ For each of the sanitize files that were specified as command line options load the contents of the file into the sanitise patterns dictionary. """ for fname in self.get_sanitize_files(): with open(fname, 'r') as f: ...
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For each of the sanitize files that were specified as command line options load the contents of the file into the sanitise patterns dictionary.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
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20,947
fastai/fastai
docs_src/nbval/plugin.py
IPyNbFile.get_sanitize_files
def get_sanitize_files(self): """ Return list of all sanitize files provided by the user on the command line. N.B.: We only support one sanitize file at the moment, but this is likely to change in the future """ if self.parent.config.option.sanitize_with is not No...
python
def get_sanitize_files(self): """ Return list of all sanitize files provided by the user on the command line. N.B.: We only support one sanitize file at the moment, but this is likely to change in the future """ if self.parent.config.option.sanitize_with is not No...
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Return list of all sanitize files provided by the user on the command line. N.B.: We only support one sanitize file at the moment, but this is likely to change in the future
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/docs_src/nbval/plugin.py#L248-L259
20,948
fastai/fastai
docs_src/nbval/plugin.py
IPyNbFile.get_kernel_message
def get_kernel_message(self, timeout=None, stream='iopub'): """ Gets a message from the iopub channel of the notebook kernel. """ return self.kernel.get_message(stream, timeout=timeout)
python
def get_kernel_message(self, timeout=None, stream='iopub'): """ Gets a message from the iopub channel of the notebook kernel. """ return self.kernel.get_message(stream, timeout=timeout)
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Gets a message from the iopub channel of the notebook kernel.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
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20,949
fastai/fastai
docs_src/nbval/plugin.py
IPyNbFile.collect
def collect(self): """ The collect function is required by pytest and is used to yield pytest Item objects. We specify an Item for each code cell in the notebook. """ self.nb = nbformat.read(str(self.fspath), as_version=4) # Start the cell count cell_num = 0 ...
python
def collect(self): """ The collect function is required by pytest and is used to yield pytest Item objects. We specify an Item for each code cell in the notebook. """ self.nb = nbformat.read(str(self.fspath), as_version=4) # Start the cell count cell_num = 0 ...
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The collect function is required by pytest and is used to yield pytest Item objects. We specify an Item for each code cell in the notebook.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/docs_src/nbval/plugin.py#L269-L309
20,950
fastai/fastai
docs_src/nbval/plugin.py
IPyNbCell.format_output_compare
def format_output_compare(self, key, left, right): """Format an output for printing""" if isinstance(left, six.string_types): left = _trim_base64(left) if isinstance(right, six.string_types): right = _trim_base64(right) cc = self.colors self.comparison_t...
python
def format_output_compare(self, key, left, right): """Format an output for printing""" if isinstance(left, six.string_types): left = _trim_base64(left) if isinstance(right, six.string_types): right = _trim_base64(right) cc = self.colors self.comparison_t...
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Format an output for printing
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/docs_src/nbval/plugin.py#L480-L517
20,951
fastai/fastai
docs_src/nbval/plugin.py
IPyNbCell.sanitize
def sanitize(self, s): """sanitize a string for comparison. """ if not isinstance(s, six.string_types): return s """ re.sub matches a regex and replaces it with another. The regex replacements are taken from a file if the option is passed when py.test...
python
def sanitize(self, s): """sanitize a string for comparison. """ if not isinstance(s, six.string_types): return s """ re.sub matches a regex and replaces it with another. The regex replacements are taken from a file if the option is passed when py.test...
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sanitize a string for comparison.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/docs_src/nbval/plugin.py#L775-L789
20,952
fastai/fastai
fastai/vision/tta.py
_tta_only
def _tta_only(learn:Learner, ds_type:DatasetType=DatasetType.Valid, scale:float=1.35) -> Iterator[List[Tensor]]: "Computes the outputs for several augmented inputs for TTA" dl = learn.dl(ds_type) ds = dl.dataset old = ds.tfms augm_tfm = [o for o in learn.data.train_ds.tfms if o.tfm not in ...
python
def _tta_only(learn:Learner, ds_type:DatasetType=DatasetType.Valid, scale:float=1.35) -> Iterator[List[Tensor]]: "Computes the outputs for several augmented inputs for TTA" dl = learn.dl(ds_type) ds = dl.dataset old = ds.tfms augm_tfm = [o for o in learn.data.train_ds.tfms if o.tfm not in ...
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Computes the outputs for several augmented inputs for TTA
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/tta.py#L10-L28
20,953
fastai/fastai
fastai/vision/tta.py
_TTA
def _TTA(learn:Learner, beta:float=0.4, scale:float=1.35, ds_type:DatasetType=DatasetType.Valid, with_loss:bool=False) -> Tensors: "Applies TTA to predict on `ds_type` dataset." preds,y = learn.get_preds(ds_type) all_preds = list(learn.tta_only(scale=scale, ds_type=ds_type)) avg_preds = torch.stack(all_...
python
def _TTA(learn:Learner, beta:float=0.4, scale:float=1.35, ds_type:DatasetType=DatasetType.Valid, with_loss:bool=False) -> Tensors: "Applies TTA to predict on `ds_type` dataset." preds,y = learn.get_preds(ds_type) all_preds = list(learn.tta_only(scale=scale, ds_type=ds_type)) avg_preds = torch.stack(all_...
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Applies TTA to predict on `ds_type` dataset.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/tta.py#L32-L43
20,954
fastai/fastai
fastai/metrics.py
fbeta
def fbeta(y_pred:Tensor, y_true:Tensor, thresh:float=0.2, beta:float=2, eps:float=1e-9, sigmoid:bool=True)->Rank0Tensor: "Computes the f_beta between `preds` and `targets`" beta2 = beta ** 2 if sigmoid: y_pred = y_pred.sigmoid() y_pred = (y_pred>thresh).float() y_true = y_true.float() TP = (y_pr...
python
def fbeta(y_pred:Tensor, y_true:Tensor, thresh:float=0.2, beta:float=2, eps:float=1e-9, sigmoid:bool=True)->Rank0Tensor: "Computes the f_beta between `preds` and `targets`" beta2 = beta ** 2 if sigmoid: y_pred = y_pred.sigmoid() y_pred = (y_pred>thresh).float() y_true = y_true.float() TP = (y_pr...
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Computes the f_beta between `preds` and `targets`
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/metrics.py#L12-L22
20,955
fastai/fastai
fastai/metrics.py
accuracy_thresh
def accuracy_thresh(y_pred:Tensor, y_true:Tensor, thresh:float=0.5, sigmoid:bool=True)->Rank0Tensor: "Compute accuracy when `y_pred` and `y_true` are the same size." if sigmoid: y_pred = y_pred.sigmoid() return ((y_pred>thresh)==y_true.byte()).float().mean()
python
def accuracy_thresh(y_pred:Tensor, y_true:Tensor, thresh:float=0.5, sigmoid:bool=True)->Rank0Tensor: "Compute accuracy when `y_pred` and `y_true` are the same size." if sigmoid: y_pred = y_pred.sigmoid() return ((y_pred>thresh)==y_true.byte()).float().mean()
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Compute accuracy when `y_pred` and `y_true` are the same size.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/metrics.py#L31-L34
20,956
fastai/fastai
fastai/metrics.py
dice
def dice(input:Tensor, targs:Tensor, iou:bool=False)->Rank0Tensor: "Dice coefficient metric for binary target. If iou=True, returns iou metric, classic for segmentation problems." n = targs.shape[0] input = input.argmax(dim=1).view(n,-1) targs = targs.view(n,-1) intersect = (input * targs).sum().flo...
python
def dice(input:Tensor, targs:Tensor, iou:bool=False)->Rank0Tensor: "Dice coefficient metric for binary target. If iou=True, returns iou metric, classic for segmentation problems." n = targs.shape[0] input = input.argmax(dim=1).view(n,-1) targs = targs.view(n,-1) intersect = (input * targs).sum().flo...
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Dice coefficient metric for binary target. If iou=True, returns iou metric, classic for segmentation problems.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/metrics.py#L46-L54
20,957
fastai/fastai
fastai/metrics.py
exp_rmspe
def exp_rmspe(pred:Tensor, targ:Tensor)->Rank0Tensor: "Exp RMSE between `pred` and `targ`." pred,targ = flatten_check(pred,targ) pred, targ = torch.exp(pred), torch.exp(targ) pct_var = (targ - pred)/targ return torch.sqrt((pct_var**2).mean())
python
def exp_rmspe(pred:Tensor, targ:Tensor)->Rank0Tensor: "Exp RMSE between `pred` and `targ`." pred,targ = flatten_check(pred,targ) pred, targ = torch.exp(pred), torch.exp(targ) pct_var = (targ - pred)/targ return torch.sqrt((pct_var**2).mean())
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Exp RMSE between `pred` and `targ`.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/metrics.py#L56-L61
20,958
fastai/fastai
fastai/metrics.py
mean_absolute_error
def mean_absolute_error(pred:Tensor, targ:Tensor)->Rank0Tensor: "Mean absolute error between `pred` and `targ`." pred,targ = flatten_check(pred,targ) return torch.abs(targ - pred).mean()
python
def mean_absolute_error(pred:Tensor, targ:Tensor)->Rank0Tensor: "Mean absolute error between `pred` and `targ`." pred,targ = flatten_check(pred,targ) return torch.abs(targ - pred).mean()
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Mean absolute error between `pred` and `targ`.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/metrics.py#L63-L66
20,959
fastai/fastai
fastai/metrics.py
mean_squared_error
def mean_squared_error(pred:Tensor, targ:Tensor)->Rank0Tensor: "Mean squared error between `pred` and `targ`." pred,targ = flatten_check(pred,targ) return F.mse_loss(pred, targ)
python
def mean_squared_error(pred:Tensor, targ:Tensor)->Rank0Tensor: "Mean squared error between `pred` and `targ`." pred,targ = flatten_check(pred,targ) return F.mse_loss(pred, targ)
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Mean squared error between `pred` and `targ`.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/metrics.py#L68-L71
20,960
fastai/fastai
fastai/metrics.py
root_mean_squared_error
def root_mean_squared_error(pred:Tensor, targ:Tensor)->Rank0Tensor: "Root mean squared error between `pred` and `targ`." pred,targ = flatten_check(pred,targ) return torch.sqrt(F.mse_loss(pred, targ))
python
def root_mean_squared_error(pred:Tensor, targ:Tensor)->Rank0Tensor: "Root mean squared error between `pred` and `targ`." pred,targ = flatten_check(pred,targ) return torch.sqrt(F.mse_loss(pred, targ))
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Root mean squared error between `pred` and `targ`.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/metrics.py#L73-L76
20,961
fastai/fastai
fastai/metrics.py
mean_squared_logarithmic_error
def mean_squared_logarithmic_error(pred:Tensor, targ:Tensor)->Rank0Tensor: "Mean squared logarithmic error between `pred` and `targ`." pred,targ = flatten_check(pred,targ) return F.mse_loss(torch.log(1 + pred), torch.log(1 + targ))
python
def mean_squared_logarithmic_error(pred:Tensor, targ:Tensor)->Rank0Tensor: "Mean squared logarithmic error between `pred` and `targ`." pred,targ = flatten_check(pred,targ) return F.mse_loss(torch.log(1 + pred), torch.log(1 + targ))
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Mean squared logarithmic error between `pred` and `targ`.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/metrics.py#L78-L81
20,962
fastai/fastai
fastai/metrics.py
explained_variance
def explained_variance(pred:Tensor, targ:Tensor)->Rank0Tensor: "Explained variance between `pred` and `targ`." pred,targ = flatten_check(pred,targ) var_pct = torch.var(targ - pred) / torch.var(targ) return 1 - var_pct
python
def explained_variance(pred:Tensor, targ:Tensor)->Rank0Tensor: "Explained variance between `pred` and `targ`." pred,targ = flatten_check(pred,targ) var_pct = torch.var(targ - pred) / torch.var(targ) return 1 - var_pct
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Explained variance between `pred` and `targ`.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/metrics.py#L83-L87
20,963
fastai/fastai
fastai/metrics.py
auc_roc_score
def auc_roc_score(input:Tensor, targ:Tensor): "Using trapezoid method to calculate the area under roc curve" fpr, tpr = roc_curve(input, targ) d = fpr[1:] - fpr[:-1] sl1, sl2 = [slice(None)], [slice(None)] sl1[-1], sl2[-1] = slice(1, None), slice(None, -1) return (d * (tpr[tuple(sl1)] + tpr[tupl...
python
def auc_roc_score(input:Tensor, targ:Tensor): "Using trapezoid method to calculate the area under roc curve" fpr, tpr = roc_curve(input, targ) d = fpr[1:] - fpr[:-1] sl1, sl2 = [slice(None)], [slice(None)] sl1[-1], sl2[-1] = slice(1, None), slice(None, -1) return (d * (tpr[tuple(sl1)] + tpr[tupl...
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Using trapezoid method to calculate the area under roc curve
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/metrics.py#L266-L272
20,964
fastai/fastai
fastai/metrics.py
roc_curve
def roc_curve(input:Tensor, targ:Tensor): "Returns the false positive and true positive rates" targ = (targ == 1) desc_score_indices = torch.flip(input.argsort(-1), [-1]) input = input[desc_score_indices] targ = targ[desc_score_indices] d = input[1:] - input[:-1] distinct_value_indices = tor...
python
def roc_curve(input:Tensor, targ:Tensor): "Returns the false positive and true positive rates" targ = (targ == 1) desc_score_indices = torch.flip(input.argsort(-1), [-1]) input = input[desc_score_indices] targ = targ[desc_score_indices] d = input[1:] - input[:-1] distinct_value_indices = tor...
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Returns the false positive and true positive rates
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/metrics.py#L274-L289
20,965
fastai/fastai
old/fastai/core.py
A
def A(*a): """convert iterable object into numpy array""" return np.array(a[0]) if len(a)==1 else [np.array(o) for o in a]
python
def A(*a): """convert iterable object into numpy array""" return np.array(a[0]) if len(a)==1 else [np.array(o) for o in a]
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convert iterable object into numpy array
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/core.py#L25-L27
20,966
fastai/fastai
old/fastai/core.py
T
def T(a, half=False, cuda=True): """ Convert numpy array into a pytorch tensor. if Cuda is available and USE_GPU=True, store resulting tensor in GPU. """ if not torch.is_tensor(a): a = np.array(np.ascontiguousarray(a)) if a.dtype in (np.int8, np.int16, np.int32, np.int64): ...
python
def T(a, half=False, cuda=True): """ Convert numpy array into a pytorch tensor. if Cuda is available and USE_GPU=True, store resulting tensor in GPU. """ if not torch.is_tensor(a): a = np.array(np.ascontiguousarray(a)) if a.dtype in (np.int8, np.int16, np.int32, np.int64): ...
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Convert numpy array into a pytorch tensor. if Cuda is available and USE_GPU=True, store resulting tensor in GPU.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/core.py#L29-L42
20,967
fastai/fastai
old/fastai/core.py
V_
def V_(x, requires_grad=False, volatile=False): '''equivalent to create_variable, which creates a pytorch tensor''' return create_variable(x, volatile=volatile, requires_grad=requires_grad)
python
def V_(x, requires_grad=False, volatile=False): '''equivalent to create_variable, which creates a pytorch tensor''' return create_variable(x, volatile=volatile, requires_grad=requires_grad)
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equivalent to create_variable, which creates a pytorch tensor
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/core.py#L56-L58
20,968
fastai/fastai
old/fastai/core.py
V
def V(x, requires_grad=False, volatile=False): '''creates a single or a list of pytorch tensors, depending on input x. ''' return map_over(x, lambda o: V_(o, requires_grad, volatile))
python
def V(x, requires_grad=False, volatile=False): '''creates a single or a list of pytorch tensors, depending on input x. ''' return map_over(x, lambda o: V_(o, requires_grad, volatile))
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creates a single or a list of pytorch tensors, depending on input x.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/core.py#L59-L61
20,969
fastai/fastai
old/fastai/core.py
to_np
def to_np(v): '''returns an np.array object given an input of np.array, list, tuple, torch variable or tensor.''' if isinstance(v, float): return np.array(v) if isinstance(v, (np.ndarray, np.generic)): return v if isinstance(v, (list,tuple)): return [to_np(o) for o in v] if isinstance(v, Variable): ...
python
def to_np(v): '''returns an np.array object given an input of np.array, list, tuple, torch variable or tensor.''' if isinstance(v, float): return np.array(v) if isinstance(v, (np.ndarray, np.generic)): return v if isinstance(v, (list,tuple)): return [to_np(o) for o in v] if isinstance(v, Variable): ...
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returns an np.array object given an input of np.array, list, tuple, torch variable or tensor.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/core.py#L71-L80
20,970
fastai/fastai
old/fastai/core.py
to_gpu
def to_gpu(x, *args, **kwargs): '''puts pytorch variable to gpu, if cuda is available and USE_GPU is set to true. ''' return x.cuda(*args, **kwargs) if USE_GPU else x
python
def to_gpu(x, *args, **kwargs): '''puts pytorch variable to gpu, if cuda is available and USE_GPU is set to true. ''' return x.cuda(*args, **kwargs) if USE_GPU else x
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puts pytorch variable to gpu, if cuda is available and USE_GPU is set to true.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/core.py#L88-L90
20,971
fastai/fastai
old/fastai/core.py
split_by_idxs
def split_by_idxs(seq, idxs): '''A generator that returns sequence pieces, seperated by indexes specified in idxs. ''' last = 0 for idx in idxs: if not (-len(seq) <= idx < len(seq)): raise KeyError(f'Idx {idx} is out-of-bounds') yield seq[last:idx] last = idx yield seq[...
python
def split_by_idxs(seq, idxs): '''A generator that returns sequence pieces, seperated by indexes specified in idxs. ''' last = 0 for idx in idxs: if not (-len(seq) <= idx < len(seq)): raise KeyError(f'Idx {idx} is out-of-bounds') yield seq[last:idx] last = idx yield seq[...
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A generator that returns sequence pieces, seperated by indexes specified in idxs.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/core.py#L94-L102
20,972
fastai/fastai
old/fastai/core.py
partition
def partition(a, sz): """splits iterables a in equal parts of size sz""" return [a[i:i+sz] for i in range(0, len(a), sz)]
python
def partition(a, sz): """splits iterables a in equal parts of size sz""" return [a[i:i+sz] for i in range(0, len(a), sz)]
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splits iterables a in equal parts of size sz
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/core.py#L131-L133
20,973
fastai/fastai
old/fastai/core.py
chunk_iter
def chunk_iter(iterable, chunk_size): '''A generator that yields chunks of iterable, chunk_size at a time. ''' while True: chunk = [] try: for _ in range(chunk_size): chunk.append(next(iterable)) yield chunk except StopIteration: if chunk: yield chunk ...
python
def chunk_iter(iterable, chunk_size): '''A generator that yields chunks of iterable, chunk_size at a time. ''' while True: chunk = [] try: for _ in range(chunk_size): chunk.append(next(iterable)) yield chunk except StopIteration: if chunk: yield chunk ...
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A generator that yields chunks of iterable, chunk_size at a time.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/core.py#L184-L193
20,974
fastai/fastai
fastai/vision/transform.py
_brightness
def _brightness(x, change:uniform): "Apply `change` in brightness of image `x`." return x.add_(scipy.special.logit(change))
python
def _brightness(x, change:uniform): "Apply `change` in brightness of image `x`." return x.add_(scipy.special.logit(change))
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Apply `change` in brightness of image `x`.
[ "Apply", "change", "in", "brightness", "of", "image", "x", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L15-L17
20,975
fastai/fastai
fastai/vision/transform.py
_rotate
def _rotate(degrees:uniform): "Rotate image by `degrees`." angle = degrees * math.pi / 180 return [[cos(angle), -sin(angle), 0.], [sin(angle), cos(angle), 0.], [0. , 0. , 1.]]
python
def _rotate(degrees:uniform): "Rotate image by `degrees`." angle = degrees * math.pi / 180 return [[cos(angle), -sin(angle), 0.], [sin(angle), cos(angle), 0.], [0. , 0. , 1.]]
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Rotate image by `degrees`.
[ "Rotate", "image", "by", "degrees", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L25-L30
20,976
fastai/fastai
fastai/vision/transform.py
_get_zoom_mat
def _get_zoom_mat(sw:float, sh:float, c:float, r:float)->AffineMatrix: "`sw`,`sh` scale width,height - `c`,`r` focus col,row." return [[sw, 0, c], [0, sh, r], [0, 0, 1.]]
python
def _get_zoom_mat(sw:float, sh:float, c:float, r:float)->AffineMatrix: "`sw`,`sh` scale width,height - `c`,`r` focus col,row." return [[sw, 0, c], [0, sh, r], [0, 0, 1.]]
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`sw`,`sh` scale width,height - `c`,`r` focus col,row.
[ "sw", "sh", "scale", "width", "height", "-", "c", "r", "focus", "col", "row", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L33-L37
20,977
fastai/fastai
fastai/vision/transform.py
_zoom
def _zoom(scale:uniform=1.0, row_pct:uniform=0.5, col_pct:uniform=0.5): "Zoom image by `scale`. `row_pct`,`col_pct` select focal point of zoom." s = 1-1/scale col_c = s * (2*col_pct - 1) row_c = s * (2*row_pct - 1) return _get_zoom_mat(1/scale, 1/scale, col_c, row_c)
python
def _zoom(scale:uniform=1.0, row_pct:uniform=0.5, col_pct:uniform=0.5): "Zoom image by `scale`. `row_pct`,`col_pct` select focal point of zoom." s = 1-1/scale col_c = s * (2*col_pct - 1) row_c = s * (2*row_pct - 1) return _get_zoom_mat(1/scale, 1/scale, col_c, row_c)
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Zoom image by `scale`. `row_pct`,`col_pct` select focal point of zoom.
[ "Zoom", "image", "by", "scale", ".", "row_pct", "col_pct", "select", "focal", "point", "of", "zoom", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L39-L44
20,978
fastai/fastai
fastai/vision/transform.py
_squish
def _squish(scale:uniform=1.0, row_pct:uniform=0.5, col_pct:uniform=0.5): "Squish image by `scale`. `row_pct`,`col_pct` select focal point of zoom." if scale <= 1: col_c = (1-scale) * (2*col_pct - 1) return _get_zoom_mat(scale, 1, col_c, 0.) else: row_c = (1-1/scale) * (2*row_pct - 1...
python
def _squish(scale:uniform=1.0, row_pct:uniform=0.5, col_pct:uniform=0.5): "Squish image by `scale`. `row_pct`,`col_pct` select focal point of zoom." if scale <= 1: col_c = (1-scale) * (2*col_pct - 1) return _get_zoom_mat(scale, 1, col_c, 0.) else: row_c = (1-1/scale) * (2*row_pct - 1...
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Squish image by `scale`. `row_pct`,`col_pct` select focal point of zoom.
[ "Squish", "image", "by", "scale", ".", "row_pct", "col_pct", "select", "focal", "point", "of", "zoom", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L47-L54
20,979
fastai/fastai
fastai/vision/transform.py
_jitter
def _jitter(c, magnitude:uniform): "Replace pixels by random neighbors at `magnitude`." c.flow.add_((torch.rand_like(c.flow)-0.5)*magnitude*2) return c
python
def _jitter(c, magnitude:uniform): "Replace pixels by random neighbors at `magnitude`." c.flow.add_((torch.rand_like(c.flow)-0.5)*magnitude*2) return c
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Replace pixels by random neighbors at `magnitude`.
[ "Replace", "pixels", "by", "random", "neighbors", "at", "magnitude", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L57-L60
20,980
fastai/fastai
fastai/vision/transform.py
_flip_lr
def _flip_lr(x): "Flip `x` horizontally." #return x.flip(2) if isinstance(x, ImagePoints): x.flow.flow[...,0] *= -1 return x return tensor(np.ascontiguousarray(np.array(x)[...,::-1]))
python
def _flip_lr(x): "Flip `x` horizontally." #return x.flip(2) if isinstance(x, ImagePoints): x.flow.flow[...,0] *= -1 return x return tensor(np.ascontiguousarray(np.array(x)[...,::-1]))
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Flip `x` horizontally.
[ "Flip", "x", "horizontally", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L63-L69
20,981
fastai/fastai
fastai/vision/transform.py
_cutout
def _cutout(x, n_holes:uniform_int=1, length:uniform_int=40): "Cut out `n_holes` number of square holes of size `length` in image at random locations." h,w = x.shape[1:] for n in range(n_holes): h_y = np.random.randint(0, h) h_x = np.random.randint(0, w) y1 = int(np.clip(h_y - length...
python
def _cutout(x, n_holes:uniform_int=1, length:uniform_int=40): "Cut out `n_holes` number of square holes of size `length` in image at random locations." h,w = x.shape[1:] for n in range(n_holes): h_y = np.random.randint(0, h) h_x = np.random.randint(0, w) y1 = int(np.clip(h_y - length...
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Cut out `n_holes` number of square holes of size `length` in image at random locations.
[ "Cut", "out", "n_holes", "number", "of", "square", "holes", "of", "size", "length", "in", "image", "at", "random", "locations", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L122-L133
20,982
fastai/fastai
fastai/vision/transform.py
_rgb_randomize
def _rgb_randomize(x, channel:int=None, thresh:float=0.3): "Randomize one of the channels of the input image" if channel is None: channel = np.random.randint(0, x.shape[0] - 1) x[channel] = torch.rand(x.shape[1:]) * np.random.uniform(0, thresh) return x
python
def _rgb_randomize(x, channel:int=None, thresh:float=0.3): "Randomize one of the channels of the input image" if channel is None: channel = np.random.randint(0, x.shape[0] - 1) x[channel] = torch.rand(x.shape[1:]) * np.random.uniform(0, thresh) return x
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Randomize one of the channels of the input image
[ "Randomize", "one", "of", "the", "channels", "of", "the", "input", "image" ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L137-L141
20,983
fastai/fastai
fastai/vision/transform.py
_crop_default
def _crop_default(x, size, row_pct:uniform=0.5, col_pct:uniform=0.5): "Crop `x` to `size` pixels. `row_pct`,`col_pct` select focal point of crop." rows,cols = tis2hw(size) row_pct,col_pct = _minus_epsilon(row_pct,col_pct) row = int((x.size(1)-rows+1) * row_pct) col = int((x.size(2)-cols+1) * col_pct...
python
def _crop_default(x, size, row_pct:uniform=0.5, col_pct:uniform=0.5): "Crop `x` to `size` pixels. `row_pct`,`col_pct` select focal point of crop." rows,cols = tis2hw(size) row_pct,col_pct = _minus_epsilon(row_pct,col_pct) row = int((x.size(1)-rows+1) * row_pct) col = int((x.size(2)-cols+1) * col_pct...
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Crop `x` to `size` pixels. `row_pct`,`col_pct` select focal point of crop.
[ "Crop", "x", "to", "size", "pixels", ".", "row_pct", "col_pct", "select", "focal", "point", "of", "crop", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L150-L156
20,984
fastai/fastai
fastai/vision/transform.py
_crop_pad_default
def _crop_pad_default(x, size, padding_mode='reflection', row_pct:uniform = 0.5, col_pct:uniform = 0.5): "Crop and pad tfm - `row_pct`,`col_pct` sets focal point." padding_mode = _pad_mode_convert[padding_mode] size = tis2hw(size) if x.shape[1:] == torch.Size(size): return x rows,cols = size row...
python
def _crop_pad_default(x, size, padding_mode='reflection', row_pct:uniform = 0.5, col_pct:uniform = 0.5): "Crop and pad tfm - `row_pct`,`col_pct` sets focal point." padding_mode = _pad_mode_convert[padding_mode] size = tis2hw(size) if x.shape[1:] == torch.Size(size): return x rows,cols = size row...
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Crop and pad tfm - `row_pct`,`col_pct` sets focal point.
[ "Crop", "and", "pad", "tfm", "-", "row_pct", "col_pct", "sets", "focal", "point", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L175-L189
20,985
fastai/fastai
fastai/vision/transform.py
rand_pad
def rand_pad(padding:int, size:int, mode:str='reflection'): "Fixed `mode` `padding` and random crop of `size`" return [pad(padding=padding,mode=mode), crop(size=size, **rand_pos)]
python
def rand_pad(padding:int, size:int, mode:str='reflection'): "Fixed `mode` `padding` and random crop of `size`" return [pad(padding=padding,mode=mode), crop(size=size, **rand_pos)]
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Fixed `mode` `padding` and random crop of `size`
[ "Fixed", "mode", "padding", "and", "random", "crop", "of", "size" ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L213-L216
20,986
fastai/fastai
fastai/vision/transform.py
rand_zoom
def rand_zoom(scale:uniform=1.0, p:float=1.): "Randomized version of `zoom`." return zoom(scale=scale, **rand_pos, p=p)
python
def rand_zoom(scale:uniform=1.0, p:float=1.): "Randomized version of `zoom`." return zoom(scale=scale, **rand_pos, p=p)
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Randomized version of `zoom`.
[ "Randomized", "version", "of", "zoom", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L218-L220
20,987
fastai/fastai
fastai/vision/transform.py
rand_crop
def rand_crop(*args, padding_mode='reflection', p:float=1.): "Randomized version of `crop_pad`." return crop_pad(*args, **rand_pos, padding_mode=padding_mode, p=p)
python
def rand_crop(*args, padding_mode='reflection', p:float=1.): "Randomized version of `crop_pad`." return crop_pad(*args, **rand_pos, padding_mode=padding_mode, p=p)
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Randomized version of `crop_pad`.
[ "Randomized", "version", "of", "crop_pad", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L222-L224
20,988
fastai/fastai
fastai/vision/transform.py
_apply_perspective
def _apply_perspective(coords:FlowField, coeffs:Points)->FlowField: "Transform `coords` with `coeffs`." size = coords.flow.size() #compress all the dims expect the last one ang adds ones, coords become N * 3 coords.flow = coords.flow.view(-1,2) #Transform the coeffs in a 3*3 matrix with a 1 at the b...
python
def _apply_perspective(coords:FlowField, coeffs:Points)->FlowField: "Transform `coords` with `coeffs`." size = coords.flow.size() #compress all the dims expect the last one ang adds ones, coords become N * 3 coords.flow = coords.flow.view(-1,2) #Transform the coeffs in a 3*3 matrix with a 1 at the b...
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Transform `coords` with `coeffs`.
[ "Transform", "coords", "with", "coeffs", "." ]
9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L248-L258
20,989
fastai/fastai
fastai/vision/transform.py
_do_perspective_warp
def _do_perspective_warp(c:FlowField, targ_pts:Points, invert=False): "Apply warp to `targ_pts` from `_orig_pts` to `c` `FlowField`." if invert: return _apply_perspective(c, _find_coeffs(targ_pts, _orig_pts)) return _apply_perspective(c, _find_coeffs(_orig_pts, targ_pts))
python
def _do_perspective_warp(c:FlowField, targ_pts:Points, invert=False): "Apply warp to `targ_pts` from `_orig_pts` to `c` `FlowField`." if invert: return _apply_perspective(c, _find_coeffs(targ_pts, _orig_pts)) return _apply_perspective(c, _find_coeffs(_orig_pts, targ_pts))
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Apply warp to `targ_pts` from `_orig_pts` to `c` `FlowField`.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L262-L265
20,990
fastai/fastai
fastai/vision/transform.py
_perspective_warp
def _perspective_warp(c, magnitude:partial(uniform,size=8)=0, invert=False): "Apply warp of `magnitude` to `c`." magnitude = magnitude.view(4,2) targ_pts = [[x+m for x,m in zip(xs, ms)] for xs, ms in zip(_orig_pts, magnitude)] return _do_perspective_warp(c, targ_pts, invert)
python
def _perspective_warp(c, magnitude:partial(uniform,size=8)=0, invert=False): "Apply warp of `magnitude` to `c`." magnitude = magnitude.view(4,2) targ_pts = [[x+m for x,m in zip(xs, ms)] for xs, ms in zip(_orig_pts, magnitude)] return _do_perspective_warp(c, targ_pts, invert)
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Apply warp of `magnitude` to `c`.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L267-L271
20,991
fastai/fastai
fastai/vision/transform.py
_symmetric_warp
def _symmetric_warp(c, magnitude:partial(uniform,size=4)=0, invert=False): "Apply symmetric warp of `magnitude` to `c`." m = listify(magnitude, 4) targ_pts = [[-1-m[3],-1-m[1]], [-1-m[2],1+m[1]], [1+m[3],-1-m[0]], [1+m[2],1+m[0]]] return _do_perspective_warp(c, targ_pts, invert)
python
def _symmetric_warp(c, magnitude:partial(uniform,size=4)=0, invert=False): "Apply symmetric warp of `magnitude` to `c`." m = listify(magnitude, 4) targ_pts = [[-1-m[3],-1-m[1]], [-1-m[2],1+m[1]], [1+m[3],-1-m[0]], [1+m[2],1+m[0]]] return _do_perspective_warp(c, targ_pts, invert)
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Apply symmetric warp of `magnitude` to `c`.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L274-L278
20,992
fastai/fastai
fastai/vision/transform.py
_tilt
def _tilt(c, direction:uniform_int, magnitude:uniform=0, invert=False): "Tilt `c` field with random `direction` and `magnitude`." orig_pts = [[-1,-1], [-1,1], [1,-1], [1,1]] if direction == 0: targ_pts = [[-1,-1], [-1,1], [1,-1-magnitude], [1,1+magnitude]] elif direction == 1: targ_pts = [[-1,-1-magni...
python
def _tilt(c, direction:uniform_int, magnitude:uniform=0, invert=False): "Tilt `c` field with random `direction` and `magnitude`." orig_pts = [[-1,-1], [-1,1], [1,-1], [1,1]] if direction == 0: targ_pts = [[-1,-1], [-1,1], [1,-1-magnitude], [1,1+magnitude]] elif direction == 1: targ_pts = [[-1,-1-magni...
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Tilt `c` field with random `direction` and `magnitude`.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L281-L289
20,993
fastai/fastai
fastai/vision/transform.py
get_transforms
def get_transforms(do_flip:bool=True, flip_vert:bool=False, max_rotate:float=10., max_zoom:float=1.1, max_lighting:float=0.2, max_warp:float=0.2, p_affine:float=0.75, p_lighting:float=0.75, xtra_tfms:Optional[Collection[Transform]]=None)->Collection[Transform]: "Utility func to...
python
def get_transforms(do_flip:bool=True, flip_vert:bool=False, max_rotate:float=10., max_zoom:float=1.1, max_lighting:float=0.2, max_warp:float=0.2, p_affine:float=0.75, p_lighting:float=0.75, xtra_tfms:Optional[Collection[Transform]]=None)->Collection[Transform]: "Utility func to...
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Utility func to easily create a list of flip, rotate, `zoom`, warp, lighting transforms.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/vision/transform.py#L307-L320
20,994
fastai/fastai
old/fastai/learner.py
Learner.get_layer_opt
def get_layer_opt(self, lrs, wds): """Method returns an instance of the LayerOptimizer class, which allows for setting differential learning rates for different parts of the model. An example of how a model maybe differentiated into different parts for application of differenti...
python
def get_layer_opt(self, lrs, wds): """Method returns an instance of the LayerOptimizer class, which allows for setting differential learning rates for different parts of the model. An example of how a model maybe differentiated into different parts for application of differenti...
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Method returns an instance of the LayerOptimizer class, which allows for setting differential learning rates for different parts of the model. An example of how a model maybe differentiated into different parts for application of differential learning rates and weight decays is ...
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/learner.py#L253-L273
20,995
fastai/fastai
old/fastai/learner.py
Learner.lr_find
def lr_find(self, start_lr=1e-5, end_lr=10, wds=None, linear=False, **kwargs): """Helps you find an optimal learning rate for a model. It uses the technique developed in the 2015 paper `Cyclical Learning Rates for Training Neural Networks`, where we simply keep increasing the learnin...
python
def lr_find(self, start_lr=1e-5, end_lr=10, wds=None, linear=False, **kwargs): """Helps you find an optimal learning rate for a model. It uses the technique developed in the 2015 paper `Cyclical Learning Rates for Training Neural Networks`, where we simply keep increasing the learnin...
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Helps you find an optimal learning rate for a model. It uses the technique developed in the 2015 paper `Cyclical Learning Rates for Training Neural Networks`, where we simply keep increasing the learning rate from a very small value, until the loss starts decreasing. Args: ...
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/old/fastai/learner.py#L309-L346
20,996
fastai/fastai
fastai/callbacks/rnn.py
RNNTrainer.on_loss_begin
def on_loss_begin(self, last_output:Tuple[Tensor,Tensor,Tensor], **kwargs): "Save the extra outputs for later and only returns the true output." self.raw_out,self.out = last_output[1],last_output[2] return {'last_output': last_output[0]}
python
def on_loss_begin(self, last_output:Tuple[Tensor,Tensor,Tensor], **kwargs): "Save the extra outputs for later and only returns the true output." self.raw_out,self.out = last_output[1],last_output[2] return {'last_output': last_output[0]}
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Save the extra outputs for later and only returns the true output.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/callbacks/rnn.py#L19-L22
20,997
fastai/fastai
fastai/callbacks/rnn.py
RNNTrainer.on_backward_begin
def on_backward_begin(self, last_loss:Rank0Tensor, last_input:Tensor, **kwargs): "Apply AR and TAR to `last_loss`." #AR and TAR if self.alpha != 0.: last_loss += self.alpha * self.out[-1].float().pow(2).mean() if self.beta != 0.: h = self.raw_out[-1] if len(h)>1:...
python
def on_backward_begin(self, last_loss:Rank0Tensor, last_input:Tensor, **kwargs): "Apply AR and TAR to `last_loss`." #AR and TAR if self.alpha != 0.: last_loss += self.alpha * self.out[-1].float().pow(2).mean() if self.beta != 0.: h = self.raw_out[-1] if len(h)>1:...
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Apply AR and TAR to `last_loss`.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/callbacks/rnn.py#L24-L31
20,998
fastai/fastai
fastai/text/learner.py
convert_weights
def convert_weights(wgts:Weights, stoi_wgts:Dict[str,int], itos_new:Collection[str]) -> Weights: "Convert the model `wgts` to go with a new vocabulary." dec_bias, enc_wgts = wgts.get('1.decoder.bias', None), wgts['0.encoder.weight'] wgts_m = enc_wgts.mean(0) if dec_bias is not None: bias_m = dec_bias.me...
python
def convert_weights(wgts:Weights, stoi_wgts:Dict[str,int], itos_new:Collection[str]) -> Weights: "Convert the model `wgts` to go with a new vocabulary." dec_bias, enc_wgts = wgts.get('1.decoder.bias', None), wgts['0.encoder.weight'] wgts_m = enc_wgts.mean(0) if dec_bias is not None: bias_m = dec_bias.me...
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Convert the model `wgts` to go with a new vocabulary.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/text/learner.py#L28-L43
20,999
fastai/fastai
fastai/text/learner.py
get_language_model
def get_language_model(arch:Callable, vocab_sz:int, config:dict=None, drop_mult:float=1.): "Create a language model from `arch` and its `config`, maybe `pretrained`." meta = _model_meta[arch] config = ifnone(config, meta['config_lm'].copy()) for k in config.keys(): if k.endswith('_p'): config[k...
python
def get_language_model(arch:Callable, vocab_sz:int, config:dict=None, drop_mult:float=1.): "Create a language model from `arch` and its `config`, maybe `pretrained`." meta = _model_meta[arch] config = ifnone(config, meta['config_lm'].copy()) for k in config.keys(): if k.endswith('_p'): config[k...
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Create a language model from `arch` and its `config`, maybe `pretrained`.
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9fb84a5cdefe5a766cdb792b8f5d8971737b7e67
https://github.com/fastai/fastai/blob/9fb84a5cdefe5a766cdb792b8f5d8971737b7e67/fastai/text/learner.py#L187-L199