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19,500 | pandas-dev/pandas | pandas/core/dtypes/inference.py | is_nested_list_like | def is_nested_list_like(obj):
"""
Check if the object is list-like, and that all of its elements
are also list-like.
.. versionadded:: 0.20.0
Parameters
----------
obj : The object to check
Returns
-------
is_list_like : bool
Whether `obj` has list-like properties.
... | python | def is_nested_list_like(obj):
"""
Check if the object is list-like, and that all of its elements
are also list-like.
.. versionadded:: 0.20.0
Parameters
----------
obj : The object to check
Returns
-------
is_list_like : bool
Whether `obj` has list-like properties.
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19,501 | pandas-dev/pandas | pandas/core/dtypes/inference.py | is_dict_like | def is_dict_like(obj):
"""
Check if the object is dict-like.
Parameters
----------
obj : The object to check
Returns
-------
is_dict_like : bool
Whether `obj` has dict-like properties.
Examples
--------
>>> is_dict_like({1: 2})
True
>>> is_dict_like([1, 2, ... | python | def is_dict_like(obj):
"""
Check if the object is dict-like.
Parameters
----------
obj : The object to check
Returns
-------
is_dict_like : bool
Whether `obj` has dict-like properties.
Examples
--------
>>> is_dict_like({1: 2})
True
>>> is_dict_like([1, 2, ... | [
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19,502 | pandas-dev/pandas | pandas/core/dtypes/inference.py | is_sequence | def is_sequence(obj):
"""
Check if the object is a sequence of objects.
String types are not included as sequences here.
Parameters
----------
obj : The object to check
Returns
-------
is_sequence : bool
Whether `obj` is a sequence of objects.
Examples
--------
... | python | def is_sequence(obj):
"""
Check if the object is a sequence of objects.
String types are not included as sequences here.
Parameters
----------
obj : The object to check
Returns
-------
is_sequence : bool
Whether `obj` is a sequence of objects.
Examples
--------
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19,503 | pandas-dev/pandas | pandas/core/indexes/datetimes.py | date_range | def date_range(start=None, end=None, periods=None, freq=None, tz=None,
normalize=False, name=None, closed=None, **kwargs):
"""
Return a fixed frequency DatetimeIndex.
Parameters
----------
start : str or datetime-like, optional
Left bound for generating dates.
end : str o... | python | def date_range(start=None, end=None, periods=None, freq=None, tz=None,
normalize=False, name=None, closed=None, **kwargs):
"""
Return a fixed frequency DatetimeIndex.
Parameters
----------
start : str or datetime-like, optional
Left bound for generating dates.
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19,504 | pandas-dev/pandas | pandas/core/indexes/datetimes.py | bdate_range | def bdate_range(start=None, end=None, periods=None, freq='B', tz=None,
normalize=True, name=None, weekmask=None, holidays=None,
closed=None, **kwargs):
"""
Return a fixed frequency DatetimeIndex, with business day as the default
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Parameters
----------
st... | python | def bdate_range(start=None, end=None, periods=None, freq='B', tz=None,
normalize=True, name=None, weekmask=None, holidays=None,
closed=None, **kwargs):
"""
Return a fixed frequency DatetimeIndex, with business day as the default
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Parameters
----------
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19,505 | pandas-dev/pandas | pandas/core/indexes/datetimes.py | cdate_range | def cdate_range(start=None, end=None, periods=None, freq='C', tz=None,
normalize=True, name=None, closed=None, **kwargs):
"""
Return a fixed frequency DatetimeIndex, with CustomBusinessDay as the
default frequency
.. deprecated:: 0.21.0
Parameters
----------
start : string ... | python | def cdate_range(start=None, end=None, periods=None, freq='C', tz=None,
normalize=True, name=None, closed=None, **kwargs):
"""
Return a fixed frequency DatetimeIndex, with CustomBusinessDay as the
default frequency
.. deprecated:: 0.21.0
Parameters
----------
start : string ... | [
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19,506 | pandas-dev/pandas | pandas/core/window.py | _Window._create_blocks | def _create_blocks(self):
"""
Split data into blocks & return conformed data.
"""
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... | python | def _create_blocks(self):
"""
Split data into blocks & return conformed data.
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19,507 | pandas-dev/pandas | pandas/core/window.py | _Window._get_index | def _get_index(self, index=None):
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Return index as ndarrays.
Returns
-------
tuple of (index, index_as_ndarray)
"""
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19,508 | pandas-dev/pandas | pandas/core/window.py | _Window._wrap_result | def _wrap_result(self, result, block=None, obj=None):
"""
Wrap a single result.
"""
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obj = self._selected_obj
index = obj.index
if isinstance(result, np.ndarray):
# coerce if necessary
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19,509 | pandas-dev/pandas | pandas/core/window.py | _Window._wrap_results | def _wrap_results(self, results, blocks, obj):
"""
Wrap the results.
Parameters
----------
results : list of ndarrays
blocks : list of blocks
obj : conformed data (may be resampled)
"""
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results : list of ndarrays
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obj : conformed data (may be resampled)
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19,510 | pandas-dev/pandas | pandas/core/window.py | _Window._center_window | def _center_window(self, result, window):
"""
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"""
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19,511 | pandas-dev/pandas | pandas/core/window.py | Window._prep_window | def _prep_window(self, **kwargs):
"""
Provide validation for our window type, return the window
we have already been validated.
"""
window = self._get_window()
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19,512 | pandas-dev/pandas | pandas/core/window.py | Window._apply_window | def _apply_window(self, mean=True, **kwargs):
"""
Applies a moving window of type ``window_type`` on the data.
Parameters
----------
mean : bool, default True
If True computes weighted mean, else weighted sum
Returns
-------
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"""
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----------
mean : bool, default True
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19,513 | pandas-dev/pandas | pandas/core/window.py | _GroupByMixin._apply | def _apply(self, func, name, window=None, center=None,
check_minp=None, **kwargs):
"""
Dispatch to apply; we are stripping all of the _apply kwargs and
performing the original function call on the grouped object.
"""
def f(x, name=name, *args):
x = sel... | python | def _apply(self, func, name, window=None, center=None,
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"""
Dispatch to apply; we are stripping all of the _apply kwargs and
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19,514 | pandas-dev/pandas | pandas/core/window.py | _Rolling._apply | def _apply(self, func, name=None, window=None, center=None,
check_minp=None, **kwargs):
"""
Rolling statistical measure using supplied function.
Designed to be used with passed-in Cython array-based functions.
Parameters
----------
func : str/callable to ... | python | def _apply(self, func, name=None, window=None, center=None,
check_minp=None, **kwargs):
"""
Rolling statistical measure using supplied function.
Designed to be used with passed-in Cython array-based functions.
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19,515 | pandas-dev/pandas | pandas/core/window.py | Rolling._validate_monotonic | def _validate_monotonic(self):
"""
Validate on is_monotonic.
"""
if not self._on.is_monotonic:
formatted = self.on or 'index'
raise ValueError("{0} must be "
"monotonic".format(formatted)) | python | def _validate_monotonic(self):
"""
Validate on is_monotonic.
"""
if not self._on.is_monotonic:
formatted = self.on or 'index'
raise ValueError("{0} must be "
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19,516 | pandas-dev/pandas | pandas/core/window.py | Rolling._validate_freq | def _validate_freq(self):
"""
Validate & return window frequency.
"""
from pandas.tseries.frequencies import to_offset
try:
return to_offset(self.window)
except (TypeError, ValueError):
raise ValueError("passed window {0} is not "
... | python | def _validate_freq(self):
"""
Validate & return window frequency.
"""
from pandas.tseries.frequencies import to_offset
try:
return to_offset(self.window)
except (TypeError, ValueError):
raise ValueError("passed window {0} is not "
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19,517 | pandas-dev/pandas | pandas/core/window.py | Expanding._get_window | def _get_window(self, other=None):
"""
Get the window length over which to perform some operation.
Parameters
----------
other : object, default None
The other object that is involved in the operation.
Such an object is involved for operations like covari... | python | def _get_window(self, other=None):
"""
Get the window length over which to perform some operation.
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The other object that is involved in the operation.
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19,518 | pandas-dev/pandas | pandas/core/window.py | EWM._apply | def _apply(self, func, **kwargs):
"""
Rolling statistical measure using supplied function. Designed to be
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Parameters
----------
func : str/callable to apply
Returns
-------
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"""
Rolling statistical measure using supplied function. Designed to be
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----------
func : str/callable to apply
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19,519 | pandas-dev/pandas | pandas/core/window.py | EWM.mean | def mean(self, *args, **kwargs):
"""
Exponential weighted moving average.
Parameters
----------
*args, **kwargs
Arguments and keyword arguments to be passed into func.
"""
nv.validate_window_func('mean', args, kwargs)
return self._apply('ewma'... | python | def mean(self, *args, **kwargs):
"""
Exponential weighted moving average.
Parameters
----------
*args, **kwargs
Arguments and keyword arguments to be passed into func.
"""
nv.validate_window_func('mean', args, kwargs)
return self._apply('ewma'... | [
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19,520 | pandas-dev/pandas | pandas/core/window.py | EWM.std | def std(self, bias=False, *args, **kwargs):
"""
Exponential weighted moving stddev.
"""
nv.validate_window_func('std', args, kwargs)
return _zsqrt(self.var(bias=bias, **kwargs)) | python | def std(self, bias=False, *args, **kwargs):
"""
Exponential weighted moving stddev.
"""
nv.validate_window_func('std', args, kwargs)
return _zsqrt(self.var(bias=bias, **kwargs)) | [
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19,521 | pandas-dev/pandas | pandas/core/window.py | EWM.var | def var(self, bias=False, *args, **kwargs):
"""
Exponential weighted moving variance.
"""
nv.validate_window_func('var', args, kwargs)
def f(arg):
return libwindow.ewmcov(arg, arg, self.com, int(self.adjust),
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"""
Exponential weighted moving variance.
"""
nv.validate_window_func('var', args, kwargs)
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19,522 | pandas-dev/pandas | pandas/core/window.py | EWM.cov | def cov(self, other=None, pairwise=None, bias=False, **kwargs):
"""
Exponential weighted sample covariance.
"""
if other is None:
other = self._selected_obj
# only default unset
pairwise = True if pairwise is None else pairwise
other = self._sh... | python | def cov(self, other=None, pairwise=None, bias=False, **kwargs):
"""
Exponential weighted sample covariance.
"""
if other is None:
other = self._selected_obj
# only default unset
pairwise = True if pairwise is None else pairwise
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19,523 | pandas-dev/pandas | pandas/core/window.py | EWM.corr | def corr(self, other=None, pairwise=None, **kwargs):
"""
Exponential weighted sample correlation.
"""
if other is None:
other = self._selected_obj
# only default unset
pairwise = True if pairwise is None else pairwise
other = self._shallow_copy... | python | def corr(self, other=None, pairwise=None, **kwargs):
"""
Exponential weighted sample correlation.
"""
if other is None:
other = self._selected_obj
# only default unset
pairwise = True if pairwise is None else pairwise
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19,524 | pandas-dev/pandas | pandas/core/panel.py | _ensure_like_indices | def _ensure_like_indices(time, panels):
"""
Makes sure that time and panels are conformable.
"""
n_time = len(time)
n_panel = len(panels)
u_panels = np.unique(panels) # this sorts!
u_time = np.unique(time)
if len(u_time) == n_time:
time = np.tile(u_time, len(u_panels))
if le... | python | def _ensure_like_indices(time, panels):
"""
Makes sure that time and panels are conformable.
"""
n_time = len(time)
n_panel = len(panels)
u_panels = np.unique(panels) # this sorts!
u_time = np.unique(time)
if len(u_time) == n_time:
time = np.tile(u_time, len(u_panels))
if le... | [
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19,525 | pandas-dev/pandas | pandas/core/panel.py | panel_index | def panel_index(time, panels, names=None):
"""
Returns a multi-index suitable for a panel-like DataFrame.
Parameters
----------
time : array-like
Time index, does not have to repeat
panels : array-like
Panel index, does not have to repeat
names : list, optional
List ... | python | def panel_index(time, panels, names=None):
"""
Returns a multi-index suitable for a panel-like DataFrame.
Parameters
----------
time : array-like
Time index, does not have to repeat
panels : array-like
Panel index, does not have to repeat
names : list, optional
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19,526 | pandas-dev/pandas | pandas/core/panel.py | Panel.from_dict | def from_dict(cls, data, intersect=False, orient='items', dtype=None):
"""
Construct Panel from dict of DataFrame objects.
Parameters
----------
data : dict
{field : DataFrame}
intersect : boolean
Intersect indexes of input DataFrames
orie... | python | def from_dict(cls, data, intersect=False, orient='items', dtype=None):
"""
Construct Panel from dict of DataFrame objects.
Parameters
----------
data : dict
{field : DataFrame}
intersect : boolean
Intersect indexes of input DataFrames
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19,527 | pandas-dev/pandas | pandas/core/panel.py | Panel.to_excel | def to_excel(self, path, na_rep='', engine=None, **kwargs):
"""
Write each DataFrame in Panel to a separate excel sheet.
Parameters
----------
path : string or ExcelWriter object
File path or existing ExcelWriter
na_rep : string, default ''
Missin... | python | def to_excel(self, path, na_rep='', engine=None, **kwargs):
"""
Write each DataFrame in Panel to a separate excel sheet.
Parameters
----------
path : string or ExcelWriter object
File path or existing ExcelWriter
na_rep : string, default ''
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19,528 | pandas-dev/pandas | pandas/core/panel.py | Panel._unpickle_panel_compat | def _unpickle_panel_compat(self, state): # pragma: no cover
"""
Unpickle the panel.
"""
from pandas.io.pickle import _unpickle_array
_unpickle = _unpickle_array
vals, items, major, minor = state
items = _unpickle(items)
major = _unpickle(major)
... | python | def _unpickle_panel_compat(self, state): # pragma: no cover
"""
Unpickle the panel.
"""
from pandas.io.pickle import _unpickle_array
_unpickle = _unpickle_array
vals, items, major, minor = state
items = _unpickle(items)
major = _unpickle(major)
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19,529 | pandas-dev/pandas | pandas/core/panel.py | Panel.conform | def conform(self, frame, axis='items'):
"""
Conform input DataFrame to align with chosen axis pair.
Parameters
----------
frame : DataFrame
axis : {'items', 'major', 'minor'}
Axis the input corresponds to. E.g., if axis='major', then
the frame's ... | python | def conform(self, frame, axis='items'):
"""
Conform input DataFrame to align with chosen axis pair.
Parameters
----------
frame : DataFrame
axis : {'items', 'major', 'minor'}
Axis the input corresponds to. E.g., if axis='major', then
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19,530 | pandas-dev/pandas | pandas/core/panel.py | Panel.round | def round(self, decimals=0, *args, **kwargs):
"""
Round each value in Panel to a specified number of decimal places.
.. versionadded:: 0.18.0
Parameters
----------
decimals : int
Number of decimal places to round to (default: 0).
If decimals is n... | python | def round(self, decimals=0, *args, **kwargs):
"""
Round each value in Panel to a specified number of decimal places.
.. versionadded:: 0.18.0
Parameters
----------
decimals : int
Number of decimal places to round to (default: 0).
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19,531 | pandas-dev/pandas | pandas/core/panel.py | Panel.dropna | def dropna(self, axis=0, how='any', inplace=False):
"""
Drop 2D from panel, holding passed axis constant.
Parameters
----------
axis : int, default 0
Axis to hold constant. E.g. axis=1 will drop major_axis entries
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... | python | def dropna(self, axis=0, how='any', inplace=False):
"""
Drop 2D from panel, holding passed axis constant.
Parameters
----------
axis : int, default 0
Axis to hold constant. E.g. axis=1 will drop major_axis entries
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19,532 | pandas-dev/pandas | pandas/core/panel.py | Panel.xs | def xs(self, key, axis=1):
"""
Return slice of panel along selected axis.
Parameters
----------
key : object
Label
axis : {'items', 'major', 'minor}, default 1/'major'
Returns
-------
y : ndim(self)-1
Notes
-----
... | python | def xs(self, key, axis=1):
"""
Return slice of panel along selected axis.
Parameters
----------
key : object
Label
axis : {'items', 'major', 'minor}, default 1/'major'
Returns
-------
y : ndim(self)-1
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19,533 | pandas-dev/pandas | pandas/core/panel.py | Panel._apply_2d | def _apply_2d(self, func, axis):
"""
Handle 2-d slices, equiv to iterating over the other axis.
"""
ndim = self.ndim
axis = [self._get_axis_number(a) for a in axis]
# construct slabs, in 2-d this is a DataFrame result
indexer_axis = list(range(ndim))
for ... | python | def _apply_2d(self, func, axis):
"""
Handle 2-d slices, equiv to iterating over the other axis.
"""
ndim = self.ndim
axis = [self._get_axis_number(a) for a in axis]
# construct slabs, in 2-d this is a DataFrame result
indexer_axis = list(range(ndim))
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19,534 | pandas-dev/pandas | pandas/core/panel.py | Panel._construct_return_type | def _construct_return_type(self, result, axes=None):
"""
Return the type for the ndim of the result.
"""
ndim = getattr(result, 'ndim', None)
# need to assume they are the same
if ndim is None:
if isinstance(result, dict):
ndim = getattr(list(... | python | def _construct_return_type(self, result, axes=None):
"""
Return the type for the ndim of the result.
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# need to assume they are the same
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19,535 | pandas-dev/pandas | pandas/core/panel.py | Panel.count | def count(self, axis='major'):
"""
Return number of observations over requested axis.
Parameters
----------
axis : {'items', 'major', 'minor'} or {0, 1, 2}
Returns
-------
count : DataFrame
"""
i = self._get_axis_number(axis)
val... | python | def count(self, axis='major'):
"""
Return number of observations over requested axis.
Parameters
----------
axis : {'items', 'major', 'minor'} or {0, 1, 2}
Returns
-------
count : DataFrame
"""
i = self._get_axis_number(axis)
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19,536 | pandas-dev/pandas | pandas/core/panel.py | Panel.shift | def shift(self, periods=1, freq=None, axis='major'):
"""
Shift index by desired number of periods with an optional time freq.
The shifted data will not include the dropped periods and the
shifted axis will be smaller than the original. This is different
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"""
Shift index by desired number of periods with an optional time freq.
The shifted data will not include the dropped periods and the
shifted axis will be smaller than the original. This is different
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19,537 | pandas-dev/pandas | pandas/core/panel.py | Panel.join | def join(self, other, how='left', lsuffix='', rsuffix=''):
"""
Join items with other Panel either on major and minor axes column.
Parameters
----------
other : Panel or list of Panels
Index should be similar to one of the columns in this one
how : {'left', 'r... | python | def join(self, other, how='left', lsuffix='', rsuffix=''):
"""
Join items with other Panel either on major and minor axes column.
Parameters
----------
other : Panel or list of Panels
Index should be similar to one of the columns in this one
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19,538 | pandas-dev/pandas | pandas/core/panel.py | Panel.update | def update(self, other, join='left', overwrite=True, filter_func=None,
errors='ignore'):
"""
Modify Panel in place using non-NA values from other Panel.
May also use object coercible to Panel. Will align on items.
Parameters
----------
other : Panel, or o... | python | def update(self, other, join='left', overwrite=True, filter_func=None,
errors='ignore'):
"""
Modify Panel in place using non-NA values from other Panel.
May also use object coercible to Panel. Will align on items.
Parameters
----------
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19,539 | pandas-dev/pandas | pandas/core/panel.py | Panel._extract_axes | def _extract_axes(self, data, axes, **kwargs):
"""
Return a list of the axis indices.
"""
return [self._extract_axis(self, data, axis=i, **kwargs)
for i, a in enumerate(axes)] | python | def _extract_axes(self, data, axes, **kwargs):
"""
Return a list of the axis indices.
"""
return [self._extract_axis(self, data, axis=i, **kwargs)
for i, a in enumerate(axes)] | [
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19,540 | pandas-dev/pandas | pandas/core/panel.py | Panel._extract_axes_for_slice | def _extract_axes_for_slice(self, axes):
"""
Return the slice dictionary for these axes.
"""
return {self._AXIS_SLICEMAP[i]: a for i, a in
zip(self._AXIS_ORDERS[self._AXIS_LEN - len(axes):], axes)} | python | def _extract_axes_for_slice(self, axes):
"""
Return the slice dictionary for these axes.
"""
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19,541 | pandas-dev/pandas | pandas/core/sorting.py | decons_obs_group_ids | def decons_obs_group_ids(comp_ids, obs_ids, shape, labels, xnull):
"""
reconstruct labels from observed group ids
Parameters
----------
xnull: boolean,
if nulls are excluded; i.e. -1 labels are passed through
"""
if not xnull:
lift = np.fromiter(((a == -1).any() for a in la... | python | def decons_obs_group_ids(comp_ids, obs_ids, shape, labels, xnull):
"""
reconstruct labels from observed group ids
Parameters
----------
xnull: boolean,
if nulls are excluded; i.e. -1 labels are passed through
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if not xnull:
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19,542 | pandas-dev/pandas | pandas/core/computation/engines.py | _check_ne_builtin_clash | def _check_ne_builtin_clash(expr):
"""Attempt to prevent foot-shooting in a helpful way.
Parameters
----------
terms : Term
Terms can contain
"""
names = expr.names
overlap = names & _ne_builtins
if overlap:
s = ', '.join(map(repr, overlap))
raise NumExprClobber... | python | def _check_ne_builtin_clash(expr):
"""Attempt to prevent foot-shooting in a helpful way.
Parameters
----------
terms : Term
Terms can contain
"""
names = expr.names
overlap = names & _ne_builtins
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19,543 | pandas-dev/pandas | pandas/core/computation/engines.py | AbstractEngine.evaluate | def evaluate(self):
"""Run the engine on the expression
This method performs alignment which is necessary no matter what engine
is being used, thus its implementation is in the base class.
Returns
-------
obj : object
The result of the passed expression.
... | python | def evaluate(self):
"""Run the engine on the expression
This method performs alignment which is necessary no matter what engine
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obj : object
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19,544 | pandas-dev/pandas | pandas/core/internals/blocks.py | get_block_type | def get_block_type(values, dtype=None):
"""
Find the appropriate Block subclass to use for the given values and dtype.
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----------
values : ndarray-like
dtype : numpy or pandas dtype
Returns
-------
cls : class, subclass of Block
"""
dtype = dtype or values.dtype
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"""
Find the appropriate Block subclass to use for the given values and dtype.
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----------
values : ndarray-like
dtype : numpy or pandas dtype
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-------
cls : class, subclass of Block
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19,545 | pandas-dev/pandas | pandas/core/internals/blocks.py | _extend_blocks | def _extend_blocks(result, blocks=None):
""" return a new extended blocks, givin the result """
from pandas.core.internals import BlockManager
if blocks is None:
blocks = []
if isinstance(result, list):
for r in result:
if isinstance(r, list):
blocks.extend(r)... | python | def _extend_blocks(result, blocks=None):
""" return a new extended blocks, givin the result """
from pandas.core.internals import BlockManager
if blocks is None:
blocks = []
if isinstance(result, list):
for r in result:
if isinstance(r, list):
blocks.extend(r)... | [
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19,546 | pandas-dev/pandas | pandas/core/internals/blocks.py | _block_shape | def _block_shape(values, ndim=1, shape=None):
""" guarantee the shape of the values to be at least 1 d """
if values.ndim < ndim:
if shape is None:
shape = values.shape
if not is_extension_array_dtype(values):
# TODO: https://github.com/pandas-dev/pandas/issues/23023
... | python | def _block_shape(values, ndim=1, shape=None):
""" guarantee the shape of the values to be at least 1 d """
if values.ndim < ndim:
if shape is None:
shape = values.shape
if not is_extension_array_dtype(values):
# TODO: https://github.com/pandas-dev/pandas/issues/23023
... | [
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19,547 | pandas-dev/pandas | pandas/core/internals/blocks.py | _putmask_smart | def _putmask_smart(v, m, n):
"""
Return a new ndarray, try to preserve dtype if possible.
Parameters
----------
v : `values`, updated in-place (array like)
m : `mask`, applies to both sides (array like)
n : `new values` either scalar or an array like aligned with `values`
Returns
-... | python | def _putmask_smart(v, m, n):
"""
Return a new ndarray, try to preserve dtype if possible.
Parameters
----------
v : `values`, updated in-place (array like)
m : `mask`, applies to both sides (array like)
n : `new values` either scalar or an array like aligned with `values`
Returns
-... | [
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19,548 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block._check_ndim | def _check_ndim(self, values, ndim):
"""
ndim inference and validation.
Infers ndim from 'values' if not provided to __init__.
Validates that values.ndim and ndim are consistent if and only if
the class variable '_validate_ndim' is True.
Parameters
----------
... | python | def _check_ndim(self, values, ndim):
"""
ndim inference and validation.
Infers ndim from 'values' if not provided to __init__.
Validates that values.ndim and ndim are consistent if and only if
the class variable '_validate_ndim' is True.
Parameters
----------
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Validates that values.ndim and ndim are consistent if and only if
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values : array-like
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19,549 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block.is_categorical_astype | def is_categorical_astype(self, dtype):
"""
validate that we have a astypeable to categorical,
returns a boolean if we are a categorical
"""
if dtype is Categorical or dtype is CategoricalDtype:
# this is a pd.Categorical, but is not
# a valid type for ast... | python | def is_categorical_astype(self, dtype):
"""
validate that we have a astypeable to categorical,
returns a boolean if we are a categorical
"""
if dtype is Categorical or dtype is CategoricalDtype:
# this is a pd.Categorical, but is not
# a valid type for ast... | [
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19,550 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block.get_values | def get_values(self, dtype=None):
"""
return an internal format, currently just the ndarray
this is often overridden to handle to_dense like operations
"""
if is_object_dtype(dtype):
return self.values.astype(object)
return self.values | python | def get_values(self, dtype=None):
"""
return an internal format, currently just the ndarray
this is often overridden to handle to_dense like operations
"""
if is_object_dtype(dtype):
return self.values.astype(object)
return self.values | [
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19,551 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block.make_block | def make_block(self, values, placement=None, ndim=None):
"""
Create a new block, with type inference propagate any values that are
not specified
"""
if placement is None:
placement = self.mgr_locs
if ndim is None:
ndim = self.ndim
return m... | python | def make_block(self, values, placement=None, ndim=None):
"""
Create a new block, with type inference propagate any values that are
not specified
"""
if placement is None:
placement = self.mgr_locs
if ndim is None:
ndim = self.ndim
return m... | [
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19,552 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block.make_block_same_class | def make_block_same_class(self, values, placement=None, ndim=None,
dtype=None):
""" Wrap given values in a block of same type as self. """
if dtype is not None:
# issue 19431 fastparquet is passing this
warnings.warn("dtype argument is deprecated, wi... | python | def make_block_same_class(self, values, placement=None, ndim=None,
dtype=None):
""" Wrap given values in a block of same type as self. """
if dtype is not None:
# issue 19431 fastparquet is passing this
warnings.warn("dtype argument is deprecated, wi... | [
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19,553 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block.apply | def apply(self, func, **kwargs):
""" apply the function to my values; return a block if we are not
one
"""
with np.errstate(all='ignore'):
result = func(self.values, **kwargs)
if not isinstance(result, Block):
result = self.make_block(values=_block_shape(r... | python | def apply(self, func, **kwargs):
""" apply the function to my values; return a block if we are not
one
"""
with np.errstate(all='ignore'):
result = func(self.values, **kwargs)
if not isinstance(result, Block):
result = self.make_block(values=_block_shape(r... | [
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19,554 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block.fillna | def fillna(self, value, limit=None, inplace=False, downcast=None):
""" fillna on the block with the value. If we fail, then convert to
ObjectBlock and try again
"""
inplace = validate_bool_kwarg(inplace, 'inplace')
if not self._can_hold_na:
if inplace:
... | python | def fillna(self, value, limit=None, inplace=False, downcast=None):
""" fillna on the block with the value. If we fail, then convert to
ObjectBlock and try again
"""
inplace = validate_bool_kwarg(inplace, 'inplace')
if not self._can_hold_na:
if inplace:
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19,555 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block.split_and_operate | def split_and_operate(self, mask, f, inplace):
"""
split the block per-column, and apply the callable f
per-column, return a new block for each. Handle
masking which will not change a block unless needed.
Parameters
----------
mask : 2-d boolean mask
f : ... | python | def split_and_operate(self, mask, f, inplace):
"""
split the block per-column, and apply the callable f
per-column, return a new block for each. Handle
masking which will not change a block unless needed.
Parameters
----------
mask : 2-d boolean mask
f : ... | [
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19,556 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block.downcast | def downcast(self, dtypes=None):
""" try to downcast each item to the dict of dtypes if present """
# turn it off completely
if dtypes is False:
return self
values = self.values
# single block handling
if self._is_single_block:
# try to cast al... | python | def downcast(self, dtypes=None):
""" try to downcast each item to the dict of dtypes if present """
# turn it off completely
if dtypes is False:
return self
values = self.values
# single block handling
if self._is_single_block:
# try to cast al... | [
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19,557 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block._can_hold_element | def _can_hold_element(self, element):
""" require the same dtype as ourselves """
dtype = self.values.dtype.type
tipo = maybe_infer_dtype_type(element)
if tipo is not None:
return issubclass(tipo.type, dtype)
return isinstance(element, dtype) | python | def _can_hold_element(self, element):
""" require the same dtype as ourselves """
dtype = self.values.dtype.type
tipo = maybe_infer_dtype_type(element)
if tipo is not None:
return issubclass(tipo.type, dtype)
return isinstance(element, dtype) | [
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19,558 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block._try_cast_result | def _try_cast_result(self, result, dtype=None):
""" try to cast the result to our original type, we may have
roundtripped thru object in the mean-time
"""
if dtype is None:
dtype = self.dtype
if self.is_integer or self.is_bool or self.is_datetime:
pass
... | python | def _try_cast_result(self, result, dtype=None):
""" try to cast the result to our original type, we may have
roundtripped thru object in the mean-time
"""
if dtype is None:
dtype = self.dtype
if self.is_integer or self.is_bool or self.is_datetime:
pass
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19,559 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block.replace | def replace(self, to_replace, value, inplace=False, filter=None,
regex=False, convert=True):
"""replace the to_replace value with value, possible to create new
blocks here this is just a call to putmask. regex is not used here.
It is used in ObjectBlocks. It is here for API comp... | python | def replace(self, to_replace, value, inplace=False, filter=None,
regex=False, convert=True):
"""replace the to_replace value with value, possible to create new
blocks here this is just a call to putmask. regex is not used here.
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19,560 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block.setitem | def setitem(self, indexer, value):
"""Set the value inplace, returning a a maybe different typed block.
Parameters
----------
indexer : tuple, list-like, array-like, slice
The subset of self.values to set
value : object
The value being set
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"""Set the value inplace, returning a a maybe different typed block.
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19,561 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block.putmask | def putmask(self, mask, new, align=True, inplace=False, axis=0,
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""" putmask the data to the block; it is possible that we may create a
new dtype of block
return the resulting block(s)
Parameters
----------
mask : the condition to respe... | python | def putmask(self, mask, new, align=True, inplace=False, axis=0,
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""" putmask the data to the block; it is possible that we may create a
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19,562 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block.coerce_to_target_dtype | def coerce_to_target_dtype(self, other):
"""
coerce the current block to a dtype compat for other
we will return a block, possibly object, and not raise
we can also safely try to coerce to the same dtype
and will receive the same block
"""
# if we cannot then co... | python | def coerce_to_target_dtype(self, other):
"""
coerce the current block to a dtype compat for other
we will return a block, possibly object, and not raise
we can also safely try to coerce to the same dtype
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19,563 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block._interpolate_with_fill | def _interpolate_with_fill(self, method='pad', axis=0, inplace=False,
limit=None, fill_value=None, coerce=False,
downcast=None):
""" fillna but using the interpolate machinery """
inplace = validate_bool_kwarg(inplace, 'inplace')
# ... | python | def _interpolate_with_fill(self, method='pad', axis=0, inplace=False,
limit=None, fill_value=None, coerce=False,
downcast=None):
""" fillna but using the interpolate machinery """
inplace = validate_bool_kwarg(inplace, 'inplace')
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19,564 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block._interpolate | def _interpolate(self, method=None, index=None, values=None,
fill_value=None, axis=0, limit=None,
limit_direction='forward', limit_area=None,
inplace=False, downcast=None, **kwargs):
""" interpolate using scipy wrappers """
inplace = valida... | python | def _interpolate(self, method=None, index=None, values=None,
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limit_direction='forward', limit_area=None,
inplace=False, downcast=None, **kwargs):
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19,565 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block.take_nd | def take_nd(self, indexer, axis, new_mgr_locs=None, fill_tuple=None):
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Take values according to indexer and return them as a block.bb
"""
# algos.take_nd dispatches for DatetimeTZBlock, CategoricalBlock
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"""
Take values according to indexer and return them as a block.bb
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19,566 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block.diff | def diff(self, n, axis=1):
""" return block for the diff of the values """
new_values = algos.diff(self.values, n, axis=axis)
return [self.make_block(values=new_values)] | python | def diff(self, n, axis=1):
""" return block for the diff of the values """
new_values = algos.diff(self.values, n, axis=axis)
return [self.make_block(values=new_values)] | [
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19,567 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block.shift | def shift(self, periods, axis=0, fill_value=None):
""" shift the block by periods, possibly upcast """
# convert integer to float if necessary. need to do a lot more than
# that, handle boolean etc also
new_values, fill_value = maybe_upcast(self.values, fill_value)
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""" shift the block by periods, possibly upcast """
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19,568 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block._unstack | def _unstack(self, unstacker_func, new_columns, n_rows, fill_value):
"""Return a list of unstacked blocks of self
Parameters
----------
unstacker_func : callable
Partially applied unstacker.
new_columns : Index
All columns of the unstacked BlockManager.
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unstacker_func : callable
Partially applied unstacker.
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19,569 | pandas-dev/pandas | pandas/core/internals/blocks.py | Block.quantile | def quantile(self, qs, interpolation='linear', axis=0):
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----------
qs: a scalar or list of the quantiles to be computed
interpolation: type of interpolation, default 'linear'
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"""
compute the quantiles of the
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qs: a scalar or list of the quantiles to be computed
interpolation: type of interpolation, default 'linear'
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19,570 | pandas-dev/pandas | pandas/core/internals/blocks.py | NonConsolidatableMixIn.putmask | def putmask(self, mask, new, align=True, inplace=False, axis=0,
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"""
putmask the data to the block; we must be a single block and not
generate other blocks
return the resulting block
Parameters
----------
mask : the condition to... | python | def putmask(self, mask, new, align=True, inplace=False, axis=0,
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19,571 | pandas-dev/pandas | pandas/core/internals/blocks.py | NonConsolidatableMixIn._get_unstack_items | def _get_unstack_items(self, unstacker, new_columns):
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19,572 | pandas-dev/pandas | pandas/core/internals/blocks.py | ExtensionBlock._maybe_coerce_values | def _maybe_coerce_values(self, values):
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This will unbox an ExtensionArray stored in an Index or Series.
ExtensionArrays pass through. No dtype coercion is done.
Parameters
----------
values : Index, Series, ExtensionArray
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19,573 | pandas-dev/pandas | pandas/core/internals/blocks.py | ExtensionBlock.setitem | def setitem(self, indexer, value):
"""Set the value inplace, returning a same-typed block.
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the dtype of the Block.
Parameters
----------
indexer : tuple, list-like, array-like, slice
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19,574 | pandas-dev/pandas | pandas/core/internals/blocks.py | ExtensionBlock.take_nd | def take_nd(self, indexer, axis=0, new_mgr_locs=None, fill_tuple=None):
"""
Take values according to indexer and return them as a block.
"""
if fill_tuple is None:
fill_value = None
else:
fill_value = fill_tuple[0]
# axis doesn't matter; we are re... | python | def take_nd(self, indexer, axis=0, new_mgr_locs=None, fill_tuple=None):
"""
Take values according to indexer and return them as a block.
"""
if fill_tuple is None:
fill_value = None
else:
fill_value = fill_tuple[0]
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19,575 | pandas-dev/pandas | pandas/core/internals/blocks.py | ExtensionBlock.shift | def shift(self,
periods: int,
axis: libinternals.BlockPlacement = 0,
fill_value: Any = None) -> List['ExtensionBlock']:
"""
Shift the block by `periods`.
Dispatches to underlying ExtensionArray and re-boxes in an
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"""
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periods: int,
axis: libinternals.BlockPlacement = 0,
fill_value: Any = None) -> List['ExtensionBlock']:
"""
Shift the block by `periods`.
Dispatches to underlying ExtensionArray and re-boxes in an
ExtensionBlock.
"""
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19,576 | pandas-dev/pandas | pandas/core/internals/blocks.py | DatetimeBlock._astype | def _astype(self, dtype, **kwargs):
"""
these automatically copy, so copy=True has no effect
raise on an except if raise == True
"""
dtype = pandas_dtype(dtype)
# if we are passed a datetime64[ns, tz]
if is_datetime64tz_dtype(dtype):
values = self.val... | python | def _astype(self, dtype, **kwargs):
"""
these automatically copy, so copy=True has no effect
raise on an except if raise == True
"""
dtype = pandas_dtype(dtype)
# if we are passed a datetime64[ns, tz]
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19,577 | pandas-dev/pandas | pandas/core/internals/blocks.py | DatetimeBlock._try_coerce_args | def _try_coerce_args(self, values, other):
"""
Coerce values and other to dtype 'i8'. NaN and NaT convert to
the smallest i8, and will correctly round-trip to NaT if converted
back in _try_coerce_result. values is always ndarray-like, other
may not be
Parameters
... | python | def _try_coerce_args(self, values, other):
"""
Coerce values and other to dtype 'i8'. NaN and NaT convert to
the smallest i8, and will correctly round-trip to NaT if converted
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... | [
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19,578 | pandas-dev/pandas | pandas/core/internals/blocks.py | DatetimeTZBlock.get_values | def get_values(self, dtype=None):
"""
Returns an ndarray of values.
Parameters
----------
dtype : np.dtype
Only `object`-like dtypes are respected here (not sure
why).
Returns
-------
values : ndarray
When ``dtype=obje... | python | def get_values(self, dtype=None):
"""
Returns an ndarray of values.
Parameters
----------
dtype : np.dtype
Only `object`-like dtypes are respected here (not sure
why).
Returns
-------
values : ndarray
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19,579 | pandas-dev/pandas | pandas/core/internals/blocks.py | DatetimeTZBlock._try_coerce_args | def _try_coerce_args(self, values, other):
"""
localize and return i8 for the values
Parameters
----------
values : ndarray-like
other : ndarray-like or scalar
Returns
-------
base-type values, base-type other
"""
# asi8 is a view... | python | def _try_coerce_args(self, values, other):
"""
localize and return i8 for the values
Parameters
----------
values : ndarray-like
other : ndarray-like or scalar
Returns
-------
base-type values, base-type other
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19,580 | pandas-dev/pandas | pandas/core/internals/blocks.py | DatetimeTZBlock.diff | def diff(self, n, axis=0):
"""1st discrete difference
Parameters
----------
n : int, number of periods to diff
axis : int, axis to diff upon. default 0
Return
------
A list with a new TimeDeltaBlock.
Note
----
The arguments here ... | python | def diff(self, n, axis=0):
"""1st discrete difference
Parameters
----------
n : int, number of periods to diff
axis : int, axis to diff upon. default 0
Return
------
A list with a new TimeDeltaBlock.
Note
----
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19,581 | pandas-dev/pandas | pandas/core/internals/blocks.py | TimeDeltaBlock._try_coerce_args | def _try_coerce_args(self, values, other):
"""
Coerce values and other to int64, with null values converted to
iNaT. values is always ndarray-like, other may not be
Parameters
----------
values : ndarray-like
other : ndarray-like or scalar
Returns
... | python | def _try_coerce_args(self, values, other):
"""
Coerce values and other to int64, with null values converted to
iNaT. values is always ndarray-like, other may not be
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----------
values : ndarray-like
other : ndarray-like or scalar
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... | [
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19,582 | pandas-dev/pandas | pandas/core/internals/blocks.py | ObjectBlock._replace_single | def _replace_single(self, to_replace, value, inplace=False, filter=None,
regex=False, convert=True, mask=None):
"""
Replace elements by the given value.
Parameters
----------
to_replace : object or pattern
Scalar to replace or regular expressi... | python | def _replace_single(self, to_replace, value, inplace=False, filter=None,
regex=False, convert=True, mask=None):
"""
Replace elements by the given value.
Parameters
----------
to_replace : object or pattern
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19,583 | pandas-dev/pandas | pandas/io/excel/_xlsxwriter.py | _XlsxStyler.convert | def convert(cls, style_dict, num_format_str=None):
"""
converts a style_dict to an xlsxwriter format dict
Parameters
----------
style_dict : style dictionary to convert
num_format_str : optional number format string
"""
# Create a XlsxWriter format objec... | python | def convert(cls, style_dict, num_format_str=None):
"""
converts a style_dict to an xlsxwriter format dict
Parameters
----------
style_dict : style dictionary to convert
num_format_str : optional number format string
"""
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19,584 | pandas-dev/pandas | pandas/core/reshape/reshape.py | _unstack_extension_series | def _unstack_extension_series(series, level, fill_value):
"""
Unstack an ExtensionArray-backed Series.
The ExtensionDtype is preserved.
Parameters
----------
series : Series
A Series with an ExtensionArray for values
level : Any
The level name or number.
fill_value : An... | python | def _unstack_extension_series(series, level, fill_value):
"""
Unstack an ExtensionArray-backed Series.
The ExtensionDtype is preserved.
Parameters
----------
series : Series
A Series with an ExtensionArray for values
level : Any
The level name or number.
fill_value : An... | [
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19,585 | pandas-dev/pandas | pandas/core/reshape/reshape.py | stack | def stack(frame, level=-1, dropna=True):
"""
Convert DataFrame to Series with multi-level Index. Columns become the
second level of the resulting hierarchical index
Returns
-------
stacked : Series
"""
def factorize(index):
if index.is_unique:
return index, np.arange... | python | def stack(frame, level=-1, dropna=True):
"""
Convert DataFrame to Series with multi-level Index. Columns become the
second level of the resulting hierarchical index
Returns
-------
stacked : Series
"""
def factorize(index):
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19,586 | pandas-dev/pandas | pandas/core/reshape/reshape.py | make_axis_dummies | def make_axis_dummies(frame, axis='minor', transform=None):
"""
Construct 1-0 dummy variables corresponding to designated axis
labels
Parameters
----------
frame : DataFrame
axis : {'major', 'minor'}, default 'minor'
transform : function, default None
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"""
Construct 1-0 dummy variables corresponding to designated axis
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----------
frame : DataFrame
axis : {'major', 'minor'}, default 'minor'
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19,587 | pandas-dev/pandas | pandas/core/reshape/reshape.py | _reorder_for_extension_array_stack | def _reorder_for_extension_array_stack(arr, n_rows, n_columns):
"""
Re-orders the values when stacking multiple extension-arrays.
The indirect stacking method used for EAs requires a followup
take to get the order correct.
Parameters
----------
arr : ExtensionArray
n_rows, n_columns : ... | python | def _reorder_for_extension_array_stack(arr, n_rows, n_columns):
"""
Re-orders the values when stacking multiple extension-arrays.
The indirect stacking method used for EAs requires a followup
take to get the order correct.
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----------
arr : ExtensionArray
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19,588 | pandas-dev/pandas | pandas/io/sas/sas_xport.py | _parse_float_vec | def _parse_float_vec(vec):
"""
Parse a vector of float values representing IBM 8 byte floats into
native 8 byte floats.
"""
dtype = np.dtype('>u4,>u4')
vec1 = vec.view(dtype=dtype)
xport1 = vec1['f0']
xport2 = vec1['f1']
# Start by setting first half of ieee number to first half of... | python | def _parse_float_vec(vec):
"""
Parse a vector of float values representing IBM 8 byte floats into
native 8 byte floats.
"""
dtype = np.dtype('>u4,>u4')
vec1 = vec.view(dtype=dtype)
xport1 = vec1['f0']
xport2 = vec1['f1']
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19,589 | pandas-dev/pandas | pandas/io/sas/sas_xport.py | XportReader._record_count | def _record_count(self):
"""
Get number of records in file.
This is maybe suboptimal because we have to seek to the end of
the file.
Side effect: returns file position to record_start.
"""
self.filepath_or_buffer.seek(0, 2)
total_records_length = (self.... | python | def _record_count(self):
"""
Get number of records in file.
This is maybe suboptimal because we have to seek to the end of
the file.
Side effect: returns file position to record_start.
"""
self.filepath_or_buffer.seek(0, 2)
total_records_length = (self.... | [
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19,590 | pandas-dev/pandas | pandas/io/sas/sas_xport.py | XportReader.get_chunk | def get_chunk(self, size=None):
"""
Reads lines from Xport file and returns as dataframe
Parameters
----------
size : int, defaults to None
Number of lines to read. If None, reads whole file.
Returns
-------
DataFrame
"""
if ... | python | def get_chunk(self, size=None):
"""
Reads lines from Xport file and returns as dataframe
Parameters
----------
size : int, defaults to None
Number of lines to read. If None, reads whole file.
Returns
-------
DataFrame
"""
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19,591 | pandas-dev/pandas | pandas/core/internals/managers.py | construction_error | def construction_error(tot_items, block_shape, axes, e=None):
""" raise a helpful message about our construction """
passed = tuple(map(int, [tot_items] + list(block_shape)))
# Correcting the user facing error message during dataframe construction
if len(passed) <= 2:
passed = passed[::-1]
... | python | def construction_error(tot_items, block_shape, axes, e=None):
""" raise a helpful message about our construction """
passed = tuple(map(int, [tot_items] + list(block_shape)))
# Correcting the user facing error message during dataframe construction
if len(passed) <= 2:
passed = passed[::-1]
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19,592 | pandas-dev/pandas | pandas/core/internals/managers.py | _simple_blockify | def _simple_blockify(tuples, dtype):
""" return a single array of a block that has a single dtype; if dtype is
not None, coerce to this dtype
"""
values, placement = _stack_arrays(tuples, dtype)
# CHECK DTYPE?
if dtype is not None and values.dtype != dtype: # pragma: no cover
values = ... | python | def _simple_blockify(tuples, dtype):
""" return a single array of a block that has a single dtype; if dtype is
not None, coerce to this dtype
"""
values, placement = _stack_arrays(tuples, dtype)
# CHECK DTYPE?
if dtype is not None and values.dtype != dtype: # pragma: no cover
values = ... | [
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19,593 | pandas-dev/pandas | pandas/core/internals/managers.py | _multi_blockify | def _multi_blockify(tuples, dtype=None):
""" return an array of blocks that potentially have different dtypes """
# group by dtype
grouper = itertools.groupby(tuples, lambda x: x[2].dtype)
new_blocks = []
for dtype, tup_block in grouper:
values, placement = _stack_arrays(list(tup_block), ... | python | def _multi_blockify(tuples, dtype=None):
""" return an array of blocks that potentially have different dtypes """
# group by dtype
grouper = itertools.groupby(tuples, lambda x: x[2].dtype)
new_blocks = []
for dtype, tup_block in grouper:
values, placement = _stack_arrays(list(tup_block), ... | [
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19,594 | pandas-dev/pandas | pandas/core/internals/managers.py | _interleaved_dtype | def _interleaved_dtype(
blocks: List[Block]
) -> Optional[Union[np.dtype, ExtensionDtype]]:
"""Find the common dtype for `blocks`.
Parameters
----------
blocks : List[Block]
Returns
-------
dtype : Optional[Union[np.dtype, ExtensionDtype]]
None is returned when `blocks` is ... | python | def _interleaved_dtype(
blocks: List[Block]
) -> Optional[Union[np.dtype, ExtensionDtype]]:
"""Find the common dtype for `blocks`.
Parameters
----------
blocks : List[Block]
Returns
-------
dtype : Optional[Union[np.dtype, ExtensionDtype]]
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19,595 | pandas-dev/pandas | pandas/core/internals/managers.py | _consolidate | def _consolidate(blocks):
"""
Merge blocks having same dtype, exclude non-consolidating blocks
"""
# sort by _can_consolidate, dtype
gkey = lambda x: x._consolidate_key
grouper = itertools.groupby(sorted(blocks, key=gkey), gkey)
new_blocks = []
for (_can_consolidate, dtype), group_bloc... | python | def _consolidate(blocks):
"""
Merge blocks having same dtype, exclude non-consolidating blocks
"""
# sort by _can_consolidate, dtype
gkey = lambda x: x._consolidate_key
grouper = itertools.groupby(sorted(blocks, key=gkey), gkey)
new_blocks = []
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19,596 | pandas-dev/pandas | pandas/core/internals/managers.py | _compare_or_regex_search | def _compare_or_regex_search(a, b, regex=False):
"""
Compare two array_like inputs of the same shape or two scalar values
Calls operator.eq or re.search, depending on regex argument. If regex is
True, perform an element-wise regex matching.
Parameters
----------
a : array_like or scalar
... | python | def _compare_or_regex_search(a, b, regex=False):
"""
Compare two array_like inputs of the same shape or two scalar values
Calls operator.eq or re.search, depending on regex argument. If regex is
True, perform an element-wise regex matching.
Parameters
----------
a : array_like or scalar
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19,597 | pandas-dev/pandas | pandas/core/internals/managers.py | items_overlap_with_suffix | def items_overlap_with_suffix(left, lsuffix, right, rsuffix):
"""
If two indices overlap, add suffixes to overlapping entries.
If corresponding suffix is empty, the entry is simply converted to string.
"""
to_rename = left.intersection(right)
if len(to_rename) == 0:
return left, right
... | python | def items_overlap_with_suffix(left, lsuffix, right, rsuffix):
"""
If two indices overlap, add suffixes to overlapping entries.
If corresponding suffix is empty, the entry is simply converted to string.
"""
to_rename = left.intersection(right)
if len(to_rename) == 0:
return left, right
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19,598 | pandas-dev/pandas | pandas/core/internals/managers.py | _transform_index | def _transform_index(index, func, level=None):
"""
Apply function to all values found in index.
This includes transforming multiindex entries separately.
Only apply function to one level of the MultiIndex if level is specified.
"""
if isinstance(index, MultiIndex):
if level is not None... | python | def _transform_index(index, func, level=None):
"""
Apply function to all values found in index.
This includes transforming multiindex entries separately.
Only apply function to one level of the MultiIndex if level is specified.
"""
if isinstance(index, MultiIndex):
if level is not None... | [
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19,599 | pandas-dev/pandas | pandas/core/internals/managers.py | concatenate_block_managers | def concatenate_block_managers(mgrs_indexers, axes, concat_axis, copy):
"""
Concatenate block managers into one.
Parameters
----------
mgrs_indexers : list of (BlockManager, {axis: indexer,...}) tuples
axes : list of Index
concat_axis : int
copy : bool
"""
concat_plans = [get_m... | python | def concatenate_block_managers(mgrs_indexers, axes, concat_axis, copy):
"""
Concatenate block managers into one.
Parameters
----------
mgrs_indexers : list of (BlockManager, {axis: indexer,...}) tuples
axes : list of Index
concat_axis : int
copy : bool
"""
concat_plans = [get_m... | [
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axes : list of Index
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