code string | signature string | docstring string | loss_without_docstring float64 | loss_with_docstring float64 | factor float64 |
|---|---|---|---|---|---|
if index_names:
df = df.set_index(index_names)
# Remove names from unnamed indexes
index_names = _denormalize_index_names(index_names)
df.index.names = index_names
return df | def _update_index_on_df(df, index_names) | Helper function to restore index information after collection. Doesn't
use self so we can serialize this. | 3.720037 | 3.622205 | 1.027009 |
columns = self._schema_rdd.columns
index_names = self._index_names
def fromRecords(records):
if not records:
return []
else:
loaded_df = pd.DataFrame.from_records([records],
co... | def _rdd(self) | Return an RDD of Panda DataFrame objects. This can be expensive
especially if we don't do a narrow transformation after and get it back
to Spark SQL land quickly. | 4.910696 | 4.401955 | 1.115571 |
index_names = set(_normalize_index_names(self._index_names))
column_names = [col_name for col_name in self._schema_rdd.columns if
col_name not in index_names]
return column_names | def _column_names(self) | Return the column names | 4.663956 | 4.242093 | 1.099447 |
source_rdd = self._rdd()
result_rdd = func(source_rdd)
# By default we don't know what the columns & indexes are so we let
# from_rdd_of_dataframes look at the first partition to determine them.
column_idxs = None
if preserves_cols:
index_names = self... | def _evil_apply_with_dataframes(self, func, preserves_cols=False) | Convert the underlying SchmeaRDD to an RDD of DataFrames.
apply the provide function and convert the result back.
This is hella slow. | 5.634604 | 5.099059 | 1.105028 |
columns = self._schema_rdd.columns
df = pd.DataFrame.from_records(
[self._schema_rdd.first()],
columns=self._schema_rdd.columns)
df = _update_index_on_df(df, self._index_names)
return df | def _first_as_df(self) | Gets the first row as a Panda's DataFrame. Useful for functions like
dtypes & ftypes | 4.999991 | 4.421137 | 1.130929 |
def frame_to_spark_sql(frame):
return [r.tolist() for r in frame.to_records()]
def frame_to_schema_and_idx_names(frames):
try:
frame = frames.next()
return [(list(frame.columns), list(frame.index.names))]
... | def from_rdd_of_dataframes(self, rdd, column_idxs=None) | Take an RDD of Panda's DataFrames and return a Dataframe.
If the columns and indexes are already known (e.g. applyMap)
then supplying them with columnsIndexes will skip eveluating
the first partition to determine index info. | 4.935381 | 4.656383 | 1.059918 |
result = DataFrame(None, sql_ctx)
return result.from_rdd_of_dataframes(rdd) | def fromDataFrameRDD(cls, rdd, sql_ctx) | Construct a DataFrame from an RDD of DataFrames.
No checking or validation occurs. | 8.416659 | 5.72635 | 1.469812 |
def transform_rdd(rdd):
return rdd.map(lambda data: data.applymap(f), **kwargs)
return self._evil_apply_with_dataframes(transform_rdd,
preserves_cols=True) | def applymap(self, f, **kwargs) | Return a new DataFrame by applying a function to each element of each
Panda DataFrame. | 9.620307 | 10.306971 | 0.933379 |
from sparklingpandas.groupby import GroupBy
return GroupBy(self, by=by, axis=axis, level=level, as_index=as_index,
sort=sort, group_keys=group_keys, squeeze=squeeze) | def groupby(self, by=None, axis=0, level=None, as_index=True, sort=True,
group_keys=True, squeeze=False) | Returns a groupby on the schema rdd. This returns a GroupBy object.
Note that grouping by a column name will be faster than most other
options due to implementation. | 2.033337 | 1.97613 | 1.028949 |
local_df = self._schema_rdd.toPandas()
correct_idx_df = _update_index_on_df(local_df, self._index_names)
return correct_idx_df | def collect(self) | Collect the elements in an DataFrame
and concatenate the partition. | 10.640224 | 8.971355 | 1.186022 |
assert (not isinstance(columns, basestring)), "columns should be a " \
"list of strs, " \
"not a str!"
assert isinstance(columns, list), "columns should be a list!"
from pyspark... | def stats(self, columns) | Compute the stats for each column provided in columns.
Parameters
----------
columns : list of str, contains all columns to compute stats on. | 4.767192 | 4.860748 | 0.980753 |
return self.from_rdd(
self._rdd.map(lambda data: data.applymap(func), **kwargs)) | def applymap(self, func, **kwargs) | Return a new PRDD by applying a function to each element of each
pandas DataFrame. | 7.356698 | 6.455985 | 1.139516 |
from sparklingpandas.groupby import GroupBy
return GroupBy(self._rdd, *args, **kwargs) | def groupby(self, *args, **kwargs) | Takes the same parameters as groupby on DataFrame.
Like with groupby on DataFrame disabling sorting will result in an
even larger performance improvement. This returns a Sparkling Pandas
L{GroupBy} object which supports many of the same operations as regular
GroupBy but not all. | 5.831481 | 3.931386 | 1.483314 |
# The order of the frame order appends is based on the implementation
# of reduce which calls our function with
# f(valueToBeAdded, accumulator) so we do our reduce implementation.
def append_frames(frame_a, frame_b):
return frame_a.append(frame_b)
return sel... | def collect(self) | Collect the elements in an PRDD and concatenate the partition. | 17.561262 | 14.992385 | 1.171345 |
def accumulating_iter(iterator):
acc = None
for obj in iterator:
if acc is None:
acc = obj
else:
acc = reduce_func(acc, obj)
if acc is not None:
yield acc
vals = self._rdd... | def _custom_rdd_reduce(self, reduce_func) | Provides a custom RDD reduce which preserves ordering if the RDD has
been sorted. This is useful for us because we need this functionality
as many pandas operations support sorting the results. The standard
reduce in PySpark does not have this property. Note that when PySpark
no longer ... | 2.948543 | 2.842265 | 1.037392 |
def reduce_func(sc1, sc2):
return sc1.merge_pstats(sc2)
return self._rdd.mapPartitions(lambda partition: [
PStatCounter(dataframes=partition, columns=columns)])\
.reduce(reduce_func) | def stats(self, columns) | Compute the stats for each column provided in columns.
Parameters
----------
columns : list of str, contains all columns to compute stats on. | 9.696252 | 10.604432 | 0.914358 |
def csv_file(partition_number, files):
# pylint: disable=unexpected-keyword-arg
file_count = 0
for _, contents in files:
# Only skip lines on the first file
if partition_number == 0 and file_count == 0 and _skiprows > 0:
... | def read_csv(self, file_path, use_whole_file=False, names=None, skiprows=0,
*args, **kwargs) | Read a CSV file in and parse it into Pandas DataFrames. By default,
the first row from the first partition of that data is parsed and used
as the column names for the data from. If no 'names' param is
provided we parse the first row of the first partition of data and
use it for column na... | 3.289908 | 3.2115 | 1.024415 |
schema_rdd = self.sql_ctx.jsonFile(path, schema, sampling_ratio)
return self.from_spark_rdd(schema_rdd) | def jsonFile(self, path, schema=None, sampling_ratio=1.0) | Loads a text file storing one JSON object per line as a
L{DataFrame}.
Parameters
----------
path: string
The path of the json files to load. Should be Hadoop style
paths (e.g. hdfs://..., file://... etc.).
schema: StructType, optional
If you... | 5.252553 | 6.841201 | 0.767782 |
def frame_to_rows(frame):
# TODO: Convert to row objects directly?
return [r.tolist() for r in frame.to_records()]
schema = list(local_df.columns)
index_names = list(local_df.index.names)
index_names = _normalize_index_names(index_names)
... | def from_pd_data_frame(self, local_df) | Make a Sparkling Pandas dataframe from a local Pandas DataFrame.
The intend use is for testing or joining distributed data with local
data.
The types are re-infered, so they may not match.
Parameters
----------
local_df: Pandas DataFrame
The data to turn into ... | 5.555088 | 5.592452 | 0.993319 |
return DataFrame.from_spark_rdd(self.sql_ctx.sql(query), self.sql_ctx) | def sql(self, query) | Perform a SQL query and create a L{DataFrame} of the result.
The SQL query is run using Spark SQL. This is not intended for
querying arbitrary databases, but rather querying Spark SQL tables.
Parameters
----------
query: string
The SQL query to pass to Spark SQL to ex... | 7.285645 | 7.331191 | 0.993787 |
return DataFrame.from_spark_rdd(self.sql_ctx.table(table),
self.sql_ctx) | def table(self, table) | Returns the provided Spark SQL table as a L{DataFrame}
Parameters
----------
table: string
The name of the Spark SQL table to turn into a L{DataFrame}
Returns
-------
Sparkling Pandas DataFrame. | 8.718139 | 8.362267 | 1.042557 |
return self.from_pd_data_frame(pandas.DataFrame(
elements,
*args,
**kwargs)) | def DataFrame(self, elements, *args, **kwargs) | Create a Sparkling Pandas DataFrame for the provided
elements, following the same API as constructing a Panda's DataFrame.
Note: since elements is local this is only useful for distributing
dataframes which are small enough to fit on a single machine anyways.
Parameters
---------... | 5.98359 | 8.262319 | 0.724202 |
def json_file_to_df(files):
for _, contents in files:
yield pandas.read_json(sio(contents), *args, **kwargs)
return self.from_pandas_rdd(self.spark_ctx.wholeTextFiles(file_path)
.mapPartitions(json_file_to_df)) | def read_json(self, file_path,
*args, **kwargs) | Read a json file in and parse it into Pandas DataFrames.
If no names is provided we use the first row for the names.
Currently, it is not possible to skip the first n rows of a file.
Headers are provided in the json file and not specified separately.
Parameters
----------
... | 5.874828 | 6.605205 | 0.889424 |
# Load generator module and create instance if we haven't already
if (not self.srcfile):
raise IIIFError(text=("No generator specified"))
if (not self.gen):
try:
(name, ext) = os.path.splitext(self.srcfile)
(pack, mod) = os.path.sp... | def do_first(self) | Load generator, set size.
We take the generator module name from self.srcfile so that
this manipulator will work with different generators in a
similar way to how the ordinary generators work with
different images | 4.575465 | 4.123003 | 1.109741 |
if (x is None):
self.rx = 0
self.ry = 0
self.rw = self.width
self.rh = self.height
else:
self.rx = x
self.ry = y
self.rw = w
self.rh = h | def do_region(self, x, y, w, h) | Record region. | 2.034848 | 1.887265 | 1.078199 |
if (w is None):
self.sw = self.rw
self.sh = self.rh
else:
self.sw = w
self.sh = h
# Now we have region and size, generate the image
image = Image.new("RGB", (self.sw, self.sh), self.gen.background_color)
for y in range(0, s... | def do_size(self, w, h) | Record size. | 2.528916 | 2.482242 | 1.018803 |
headers = {}
headers['Access-control-allow-origin'] = '*'
headers['Content-type'] = 'text/html'
auth = request.authorization
if (auth and auth.username == auth.password):
return self.set_cookie_close_window_response(
"valid-http-basic-login")
... | def login_handler(self, config=None, prefix=None, **args) | HTTP Basic login handler.
Respond with 401 and WWW-Authenticate header if there are no
credentials or bad credentials. If there are credentials then
simply check for username equal to password for validity. | 6.389725 | 5.724393 | 1.116227 |
desc = super(IIIFAuthClickthrough, self).login_service_description()
desc['confirmLabel'] = self.confirm_label
return desc | def login_service_description(self) | Clickthrough login service description.
The login service description _MUST_ include the token service
description. Additionally, for a clickthroudh loginThe authentication pattern is indicated via the
profile URI which is built using self.auth_pattern. | 13.914603 | 12.781752 | 1.08863 |
# API parameters
self.identifier = None
self.region = None
self.size = None
self.rotation = None
self.quality = None
self.format = None
self.info = None
# Derived data and flags
self.region_full = False
self.region_square =... | def clear(self) | Clear all data that might pertain to an individual IIIF URL.
Does not change/reset the baseurl or API version which might be
useful in a sequence of calls. | 4.294648 | 3.868928 | 1.110036 |
self._api_version = v
if (self._api_version >= '2.0'):
self.default_quality = 'default'
self.allowed_qualities = ['default', 'color', 'bitonal', 'gray']
else: # versions 1.0 and 1.1
self.default_quality = 'native'
self.allowed_qualities =... | def api_version(self, v) | Set the api_version and associated configurations. | 3.440366 | 3.353125 | 1.026018 |
self._setattrs(**params)
path = self.baseurl + self.quote(self.identifier) + "/"
if (self.info):
# info request
path += "info"
format = self.format if self.format else "json"
else:
# region
if self.region:
... | def url(self, **params) | Build a URL path for image or info request.
An IIIF Image request with parameterized form is assumed unless
the info parameter is specified, in which case an Image Information
request URI is constructred. | 2.626194 | 2.306211 | 1.138749 |
self.split_url(url)
if (not self.info):
self.parse_parameters()
return(self) | def parse_url(self, url) | Parse an IIIF API URL path and each component.
Will parse a URL or URL path that accords with either the
parametrized or info request forms. Will raise an
IIIFRequestError on failure. A wrapper for the split_url()
and parse_parameters() methods.
Note that behavior of split_url(... | 8.657424 | 8.36296 | 1.035211 |
# clear data first
identifier = self.identifier
self.clear()
# url must start with baseurl if set (including slash)
if (self.baseurl is not None):
(path, num) = re.subn('^' + self.baseurl, '', url, 1)
if (num != 1):
raise IIIFReque... | def split_url(self, url) | Parse an IIIF API URL path into components.
Will parse a URL or URL path that accords with either the
parametrized or info API forms. Will raise an IIIFRequestError on
failure.
If self.identifier is set then url is assumed not to include the
identifier. | 3.30303 | 3.192314 | 1.034682 |
m = re.match("(.+)\.([a-zA-Z]\w*)$", str_and_format)
if (m):
# There is a format string at end, chop off and store
str_and_format = m.group(1)
self.format = (m.group(2) if (m.group(2) is not None) else '')
return(str_and_format) | def strip_format(self, str_and_format) | Look for optional .fmt at end of URI.
The format must start with letter. Note that we want to catch
the case of a dot and no format (format='') which is different
from no dot (format=None)
Sets self.format as side effect, returns possibly modified string | 3.720695 | 2.905644 | 1.280506 |
self.parse_region()
self.parse_size()
self.parse_rotation()
self.parse_quality()
self.parse_format() | def parse_parameters(self) | Parse the parameters of an Image Information request.
Will throw an IIIFRequestError on failure, set attributes on
success. Care is taken not to change any of the artibutes
which store path components. All parsed values are stored
in new attributes. | 3.986018 | 3.117526 | 1.278584 |
self.region_full = False
self.region_square = False
self.region_pct = False
if (self.region is None or self.region == 'full'):
self.region_full = True
return
if (self.api_version >= '2.1' and self.region == 'square'):
self.region_squar... | def parse_region(self) | Parse the region component of the path.
/full/ -> self.region_full = True (test this first)
/square/ -> self.region_square = True (test this second)
/x,y,w,h/ -> self.region_xywh = (x,y,w,h)
/pct:x,y,w,h/ -> self.region_xywh and self.region_pct = True
Will throw errors if the p... | 3.297532 | 2.955945 | 1.115559 |
if (size is not None):
self.size = size
self.size_pct = None
self.size_bang = False
self.size_full = False
self.size_wh = (None, None)
if (self.size is None or self.size == 'full'):
self.size_full = True
return
elif (se... | def parse_size(self, size=None) | Parse the size component of the path.
/full/ -> self.size_full = True
/max/ -> self.size_mac = True (2.1 and up)
/w,/ -> self.size_wh = (w,None)
/,h/ -> self.size_wh = (None,h)
/w,h/ -> self.size_wh = (w,h)
/pct:p/ -> self.size_pct = p
/!w,h/ -> self.size_wh = (... | 3.326919 | 2.837242 | 1.172589 |
try:
(wstr, hstr) = whstr.split(',', 2)
w = self._parse_non_negative_int(wstr, 'w')
h = self._parse_non_negative_int(hstr, 'h')
except ValueError as e:
raise IIIFRequestError(
code=400, parameter=param,
text="Illega... | def _parse_w_comma_h(self, whstr, param) | Utility to parse "w,h" "w," or ",h" values.
Returns (w,h) where w,h are either None or ineteger. Will
throw a ValueError if there is a problem with one or both. | 2.637373 | 2.561009 | 1.029818 |
if (istr == ''):
return(None)
try:
i = int(istr)
except ValueError:
raise ValueError("Failed to extract integer value for %s" % (name))
if (i < 0):
raise ValueError("Illegal negative value for %s" % (name))
return(i) | def _parse_non_negative_int(self, istr, name) | Parse integer from string (istr).
The (name) parameter is used just for IIIFRequestError message
generation to indicate what the error is in. | 2.72689 | 2.78893 | 0.977755 |
if (rotation is not None):
self.rotation = rotation
self.rotation_deg = 0.0
self.rotation_mirror = False
if (self.rotation is None):
return
# Look for ! prefix first
if (self.rotation[0] == '!'):
self.rotation_mirror = True
... | def parse_rotation(self, rotation=None) | Check and interpret rotation.
Uses value of self.rotation as starting point unless rotation
parameter is specified in the call. Sets self.rotation_deg to a
floating point number 0 <= angle < 360. Includes translation of
360 to 0. If there is a prefix bang (!) then self.rotation_mirror
... | 3.037367 | 2.569567 | 1.182054 |
if (self.quality is None):
self.quality_val = self.default_quality
elif (self.quality not in self.allowed_qualities):
raise IIIFRequestError(
code=400, parameter="quality",
text="The quality parameter must be '%s', got '%s'." %
... | def parse_quality(self) | Check quality paramater.
Sets self.quality_val based on simple substitution of
'native' for default. Checks for the three valid values
else throws an IIIFRequestError. | 3.644445 | 2.479827 | 1.469637 |
if (self.format is not None and
not re.match(r'''\w{1,20}$''', self.format)):
raise IIIFRequestError(
parameter='format',
text='Bad format parameter') | def parse_format(self) | Check format parameter.
All formats values listed in the specification are lowercase
alphanumeric value commonly used as file extensions. To leave
opportunity for extension here just do a limited sanity check
on characters and length. | 8.649801 | 7.053654 | 1.226287 |
return(self.region_full and
self.size_wh[0] is not None and
self.size_wh[1] is not None and
not self.size_bang and
self.rotation_deg == 0.0 and
self.quality == self.default_quality and
self.format == 'jpg') | def is_scaled_full_image(self) | True if this request is for a scaled full image.
To be used to determine whether this request should be used
in the set of `sizes` specificed in the Image Information. | 5.742511 | 5.211882 | 1.101812 |
p = configargparse.ArgParser(description='IIIF Image API Reference Service',
default_config_files=[os.path.join(base_dir, 'iiif_reference_server.cfg')],
formatter_class=configargparse.ArgumentDefaultsHelpFormatter)
add_shared_configs(p, base... | def get_config(base_dir='') | Get config from defaults, config file and/or parse arguments.
Uses configargparse to allow argments to be set from a config file
or via command line arguments.
base_dir - set a specific base directory for file/path defaults. | 3.308564 | 3.369086 | 0.982036 |
# Create Flask app
app = Flask(__name__)
Flask.secret_key = "SECRET_HERE"
app.debug = cfg.debug
# Install request handlers
client_prefixes = dict()
for api_version in cfg.api_versions:
handler_config = Config(cfg)
handler_config.api_version = api_version
handler_... | def create_reference_server_flask_app(cfg) | Create referece server Flask application with one or more IIIF handlers. | 6.887955 | 6.312732 | 1.091121 |
if (size is None):
size = self.sz
# Have we go to the smallest element?
if (size <= 3):
if (_middle(x, y)):
return (None)
else:
return (0, 0, 0)
divisor = size // 3
if (_middle(x // divisor, y // divisor... | def pixel(self, x, y, size=None) | Return color for a pixel. | 6.219067 | 6.046792 | 1.02849 |
id = ''
if (self.server_and_prefix is not None and
self.server_and_prefix != ''):
id += self.server_and_prefix + '/'
if (self.identifier is not None):
id += self.identifier
return id | def id(self) | id property based on server_and_prefix and identifier. | 3.734461 | 2.037337 | 1.833011 |
i = value.rfind('/')
if (i > 0):
self.server_and_prefix = value[:i]
self.identifier = value[(i + 1):]
elif (i == 0):
self.server_and_prefix = ''
self.identifier = value[(i + 1):]
else:
self.server_and_prefix = ''
... | def id(self, value) | Split into server_and_prefix and identifier. | 2.58285 | 1.736085 | 1.487744 |
if (api_version is None):
api_version = self.api_version
if (api_version not in CONF):
raise IIIFInfoError("Unknown API version %s" % (api_version))
self.params = CONF[api_version]['params']
self.array_params = CONF[api_version]['array_params']
se... | def set_version_info(self, api_version=None) | Set up normal values for given api_version.
Will use current value of self.api_version if a version number
is not specified in the call. Will raise an IIIFInfoError | 3.794533 | 3.327275 | 1.140433 |
if (self.api_version < '2.0'):
self.profile = value
else:
try:
self.profile[0] = value
except AttributeError:
# handle case where profile not initialized as array
self.profile = [value] | def compliance(self, value) | Set the compliance profile URI. | 5.931497 | 5.235283 | 1.132985 |
m = re.match(
self.compliance_prefix +
r'(\d)' +
self.compliance_suffix +
r'$',
self.compliance)
if (m):
return int(m.group(1))
raise IIIFInfoError(
"Bad compliance profile URI, failed to extract level n... | def level(self) | Extract level number from compliance profile URI.
Returns integer level number or raises IIIFInfoError | 7.166693 | 3.861184 | 1.856087 |
self.compliance = self.compliance_prefix + \
("%d" % value) + self.compliance_suffix | def level(self, value) | Build profile URI from level.
Level should be an integer 0,1,2 | 10.372285 | 11.07996 | 0.93613 |
if (self.service is None):
self.service = service
elif (isinstance(self.service, dict)):
self.service = [self.service, service]
else:
self.service.append(service) | def add_service(self, service) | Add a service description.
Handles transition from self.service=None, self.service=dict for a
single service, and then self.service=[dict,dict,...] for multiple | 2.601396 | 2.323399 | 1.119651 |
errors = []
for param in self.required_params:
if (not hasattr(self, param) or getattr(self, param) is None):
errors.append("missing %s parameter" % (param))
if (len(errors) > 0):
raise IIIFInfoError("Bad data for info.json: " + ", ".join(errors))... | def validate(self) | Validate this object as Image API data.
Raise IIIFInfoError with helpful message if not valid. | 4.000926 | 2.88183 | 1.388328 |
if (validate):
self.validate()
json_dict = {}
if (self.api_version > '1.0'):
json_dict['@context'] = self.context
params_to_write = set(self.params)
params_to_write.discard('identifier')
if (self.identifier):
if (self.api_versi... | def as_json(self, validate=True) | Return JSON serialization.
Will raise IIIFInfoError if insufficient parameters are present to
have a valid info.json response (unless validate is False). | 2.467594 | 2.300153 | 1.072796 |
j = json.load(fh)
#
# @context and API version
self.context = None
if (api_version == '1.0'):
# v1.0 did not have a @context so we simply take the version
# passed in
self.api_version = api_version
elif ('@context' in j):
... | def read(self, fh, api_version=None) | Read info.json from file like object.
Parameters:
fh -- file like object supporting fh.read()
api_version -- IIIF Image API version expected
If api_version is set then the parsing will assume this API version,
else the version will be determined from the incoming data. NOTE tha... | 3.323804 | 3.063668 | 1.08491 |
if (pixels):
Image.MAX_IMAGE_PIXELS = pixels
Image.warnings.simplefilter(
'error', Image.DecompressionBombWarning) | def set_max_image_pixels(self, pixels) | Set PIL limit on pixel size of images to load if non-zero.
WARNING: This is a global setting in PIL, it is
not local to this manipulator instance!
Setting a value here will not only set the given limit but
also convert the PIL "DecompressionBombWarning" into an
error. Thus sett... | 5.533839 | 4.245174 | 1.30356 |
self.logger.debug("do_first: src=%s" % (self.srcfile))
try:
self.image = Image.open(self.srcfile)
except Image.DecompressionBombWarning as e:
# This exception will be raised only if PIL has been
# configured to raise an error in the case of images
... | def do_first(self) | Create PIL object from input image file.
Image location must be in self.srcfile. Will result in
self.width and self.height being set to the image dimensions.
Will raise an IIIFError on failure to load the image | 4.066747 | 3.365524 | 1.208355 |
if (x is None):
self.logger.debug("region: full (nop)")
else:
self.logger.debug("region: (%d,%d,%d,%d)" % (x, y, w, h))
self.image = self.image.crop((x, y, x + w, y + h))
self.width = w
self.height = h | def do_region(self, x, y, w, h) | Apply region selection. | 2.968461 | 2.974004 | 0.998136 |
if (w is None):
self.logger.debug("size: no scaling (nop)")
else:
self.logger.debug("size: scaling to (%d,%d)" % (w, h))
self.image = self.image.resize((w, h))
self.width = w
self.height = h | def do_size(self, w, h) | Apply size scaling. | 3.516372 | 3.137564 | 1.120733 |
if (not mirror and rot == 0.0):
self.logger.debug("rotation: no rotation (nop)")
else:
# FIXME - with PIL one can use the transpose() method to do 90deg
# FIXME - rotations as well as mirroring. This would be more efficient
# FIXME - for these cas... | def do_rotation(self, mirror, rot) | Apply rotation and/or mirroring. | 5.007245 | 4.808348 | 1.041365 |
if (quality == 'grey' or quality == 'gray'):
# Checking for 1.1 gray or 20.0 grey elsewhere
self.logger.debug("quality: converting to gray")
self.image = self.image.convert('L')
elif (quality == 'bitonal'):
self.logger.debug("quality: converting t... | def do_quality(self, quality) | Apply value of quality parameter.
For PIL docs see
<http://pillow.readthedocs.org/en/latest/reference/Image.html#PIL.Image.Image.convert> | 4.838577 | 4.639401 | 1.042931 |
fmt = ('jpg' if (format is None) else format)
if (fmt == 'png'):
self.logger.debug("format: png")
self.mime_type = "image/png"
self.output_format = fmt
format = 'png'
elif (fmt == 'jpg'):
self.logger.debug("format: jpg")
... | def do_format(self, format) | Apply format selection.
Assume that for tiling applications we want jpg so return
that unless an explicit format is requested. | 2.617742 | 2.523846 | 1.037203 |
if self.image:
try:
self.image.close()
except Exception:
pass
if (self.outtmp is not None):
try:
os.unlink(self.outtmp)
except OSError as e:
self.logger.warning("Failed to cleanup tmp... | def cleanup(self) | Cleanup: ensure image closed and remove temporary output file. | 3.543516 | 2.958002 | 1.197942 |
if (size is None):
size = self.sz
# Have we go to the smallest element?
if (size <= 3):
if (_num(x, y) % 2):
return (red, 0, 0)
else:
return None
divisor = size // 3
n = _num(x // divisor, y // divisor)
... | def pixel(self, x, y, size=None, red=0) | Return color for a pixel.
The paremeter size is used to recursively follow down to smaller
and smaller middle squares (number 5). The paremeter red is used
to shade from black to red going toward the middle of the figure. | 4.861413 | 4.302616 | 1.129874 |
html = "<html>\n<head><title>%s</title></head>\n<body>\n" % (title)
html += "<h1>%s</h1>\n" % (title)
html += body
html += "</body>\n</html>\n"
return html | def html_page(title="Page Title", body="") | Create HTML page as string. | 1.860575 | 1.769295 | 1.051591 |
title = "IIIF Test Server on %s" % (config.host)
body = "<ul>\n"
for prefix in sorted(config.prefixes.keys()):
body += '<li><a href="/%s">%s</a></li>\n' % (prefix, prefix)
body += "</ul>\n"
return html_page(title, body) | def top_level_index_page(config) | HTML top-level index page which provides a link to each handler. | 3.40313 | 3.314818 | 1.026641 |
ids = []
if (config.klass_name == 'gen'):
for generator in os.listdir(config.generator_dir):
if (generator == '__init__.py'):
continue
(gid, ext) = os.path.splitext(generator)
if (ext == '.py' and
os.path.isfile(os.path.join(co... | def identifiers(config) | Show list of identifiers for this prefix.
Handles both the case of local file based identifiers and
also image generators.
Arguments:
config - configuration object in which:
config.klass_name - 'gen' if a generator function
config.generator_dir - directory for generator cod... | 2.399394 | 1.861269 | 1.289117 |
title = "IIIF Image API services under %s" % (config.client_prefix)
# details of this prefix handler
body = '<p>\n'
body += 'host = %s<br/>\n' % (config.host)
body += 'api_version = %s<br/>\n' % (config.api_version)
body += 'manipulator = %s<br/>\n' % (config.klass_name)
body += 'auth_t... | def prefix_index_page(config) | HTML index page for a specific prefix.
The prefix seen by the client is obtained from config.client_prefix
as opposed to the local server prefix in config.prefix. Also uses
the identifiers(config) function to get identifiers available.
Arguments:
config - configuration object in which:
... | 2.973941 | 2.724424 | 1.091585 |
uri = "http://" + host
if (port != 80):
uri += ':' + str(port)
if (prefix):
uri += '/' + prefix
return uri | def host_port_prefix(host, port, prefix) | Return URI composed of scheme, server, port, and prefix. | 3.254084 | 2.485016 | 1.309482 |
template_dir = os.path.join(os.path.dirname(__file__), 'templates')
with open(os.path.join(template_dir, 'testserver_osd.html'), 'r') as f:
template = f.read()
d = dict(prefix=prefix,
identifier=identifier,
api_version=config.api_version,
osd_version='2.0.... | def osd_page_handler(config=None, identifier=None, prefix=None, **args) | Flask handler to produce HTML response for OpenSeadragon view of identifier.
Arguments:
config - Config object for this IIIF handler
identifier - identifier of image/generator
prefix - path prefix
**args - other aguments ignored | 3.376614 | 3.171299 | 1.064742 |
if (not auth or degraded_request(identifier) or auth.info_authz()):
# go ahead with request as made
if (auth):
logging.debug("Authorized for image %s" % identifier)
i = IIIFHandler(prefix, identifier, config, klass, auth)
try:
return i.image_information_r... | def iiif_info_handler(prefix=None, identifier=None,
config=None, klass=None, auth=None, **args) | Handler for IIIF Image Information requests. | 6.669762 | 6.519824 | 1.022997 |
if (not auth or degraded_request(identifier) or auth.image_authz()):
# serve image
if (auth):
logging.debug("Authorized for image %s" % identifier)
i = IIIFHandler(prefix, identifier, config, klass, auth)
try:
return i.image_request_response(path)
... | def iiif_image_handler(prefix=None, identifier=None,
path=None, config=None, klass=None, auth=None, **args) | Handler for IIIF Image Requests.
Behaviour for case of a non-authn or non-authz case is to
return 403. | 6.07547 | 5.618177 | 1.081395 |
result = []
for media_range in accept.split(","):
parts = media_range.split(";")
media_type = parts.pop(0).strip()
media_params = []
q = 1.0
for part in parts:
(key, value) = part.lstrip().split("=", 1)
if key == "q":
q = float... | def parse_accept_header(accept) | Parse an HTTP Accept header.
Parses *accept*, returning a list with pairs of
(media_type, q_value), ordered by q values.
Adapted from <https://djangosnippets.org/snippets/1042/> | 2.008865 | 2.03261 | 0.988318 |
try:
(auth_type, auth_info) = value.split(' ', 1)
auth_type = auth_type.lower()
except ValueError:
return
if (auth_type == 'basic'):
try:
decoded = base64.b64decode(auth_info).decode(
'utf-8') # b64decode gives bytes in python3
(u... | def parse_authorization_header(value) | Parse the Authenticate header.
Returns nothing on failure, opts hash on success with type='basic' or 'digest'
and other params.
<http://nullege.com/codes/search/werkzeug.http.parse_authorization_header>
<http://stackoverflow.com/questions/1349367/parse-an-http-request-authorization-header-with-python>... | 2.300683 | 2.232641 | 1.030476 |
for result in parse_accept_header(accept):
mime_type = result[0]
if (mime_type in supported):
return mime_type
return None | def do_conneg(accept, supported) | Parse accept header and look for preferred type in supported list.
Arguments:
accept - HTTP Accept header
supported - list of MIME type supported by the server
Returns:
supported MIME type with highest q value in request, else None.
FIXME - Should replace this with negotiator2 | 3.914128 | 3.451855 | 1.13392 |
base = urljoin('/', prefix + '/') # Must end in slash
app.add_url_rule(base + 'login', prefix + 'login_handler',
auth.login_handler, defaults=params)
app.add_url_rule(base + 'logout', prefix + 'logout_handler',
auth.logout_handler, defaults=params)
if (aut... | def setup_auth_paths(app, auth, prefix, params) | Add URL rules for auth paths. | 2.024377 | 1.979847 | 1.022492 |
prefix = "%s_%s" % (api_version, manipulator)
if (auth_type and auth_type != 'none'):
prefix += '_' + auth_type
return prefix | def make_prefix(api_version, manipulator, auth_type) | Make prefix string based on configuration parameters. | 2.800062 | 2.679949 | 1.044819 |
terms = []
for term in comma_sep_str.split(','):
if term:
terms.append(term)
return terms | def split_comma_argument(comma_sep_str) | Split a comma separated option into a list. | 3.072287 | 2.992942 | 1.02651 |
p.add('--host', default='localhost',
help="Service host")
p.add('--port', '-p', type=int, default=8000,
help="Service port")
p.add('--app-host', default=None,
help="Local application host for reverse proxy deployment, "
"as opposed to service --host (must al... | def add_shared_configs(p, base_dir='') | Add configargparser/argparse configs for shared argument.
Arguments:
p - configargparse.ArgParser object
base_dir - base directory for file/path defaults. | 2.869283 | 2.882346 | 0.995468 |
if not basedir:
basedir = os.path.join(os.path.dirname(__file__), 'third_party')
return send_from_directory(os.path.join(basedir, prefix), filename) | def serve_static(filename=None, prefix='', basedir=None) | Handler for static files: server filename in basedir/prefix.
If not specified then basedir defaults to the local third_party
directory. | 2.468393 | 2.211659 | 1.116082 |
pidfile = os.path.basename(sys.argv[0])[:-3] + '.pid' # strip .py, add .pid
with open(pidfile, 'w') as fh:
fh.write("%d\n" % os.getpid())
fh.close() | def write_pid_file() | Write a file with the PID of this server instance.
Call when setting up a command line testserver. | 2.736414 | 2.826676 | 0.968068 |
# Set up app_host and app_port in case that we are running
# under reverse proxy setup, otherwise they default to
# config.host and config.port.
if (cfg.app_host and cfg.app_port):
logging.warning("Reverse proxy for service at http://%s:%d/ ..." % (cfg.host, cfg.port))
app.wsgi_app ... | def setup_app(app, cfg) | Setup Flask app and handle reverse proxy setup if configured.
Arguments:
app - Flask application
cfg - configuration data | 3.422948 | 3.399592 | 1.00687 |
return(host_port_prefix(self.config.host, self.config.port, self.prefix)) | def server_and_prefix(self) | Server and prefix from config. | 8.266179 | 6.694118 | 1.234842 |
mime_type = "application/json"
if (self.api_version >= '1.1' and 'Accept' in request.headers):
mime_type = do_conneg(request.headers['Accept'], [
'application/ld+json']) or mime_type
return mime_type | def json_mime_type(self) | Return the MIME type for a JSON response.
For version 2.0+ the server must return json-ld MIME type if that
format is requested. Implement for 1.1 also.
http://iiif.io/api/image/2.1/#information-request | 5.070995 | 4.34782 | 1.166331 |
file = None
if (self.config.klass_name == 'gen'):
for ext in ['.py']:
file = os.path.join(
self.config.generator_dir, self.identifier + ext)
if (os.path.isfile(file)):
return file
else:
for e... | def file(self) | Filename property for the source image for the current identifier. | 4.630033 | 4.26775 | 1.084889 |
if (self.manipulator.compliance_uri is not None):
self.headers['Link'] = '<' + \
self.manipulator.compliance_uri + '>;rel="profile"' | def add_compliance_header(self) | Add IIIF Compliance level header to response. | 6.78472 | 4.889988 | 1.387472 |
if headers:
for header in headers:
self.headers[header] = headers[header]
return make_response(content, code, self.headers) | def make_response(self, content, code=200, headers=None) | Wrapper around Flask.make_response which also adds any local headers. | 2.861079 | 2.512166 | 1.138889 |
dr = degraded_request(self.identifier)
if (dr):
self.logger.info("image_information: degraded %s -> %s" %
(self.identifier, dr))
self.degraded = self.identifier
self.identifier = dr
else:
self.logger.info("imag... | def image_information_response(self) | Parse image information request and create response. | 4.169374 | 4.148865 | 1.004943 |
# Parse the request in path
if (len(path) > 1024):
raise IIIFError(code=414,
text="URI Too Long: Max 1024 chars, got %d\n" % len(path))
try:
self.iiif.identifier = self.identifier
self.iiif.parse_url(path)
except II... | def image_request_response(self, path) | Parse image request and create response. | 4.631508 | 4.626367 | 1.001111 |
self.add_compliance_header()
return self.make_response(*e.image_server_response(self.api_version)) | def error_response(self, e) | Make response for an IIIFError e.
Also add compliance header. | 16.194099 | 8.310901 | 1.948537 |
self.send_response(code)
self.send_header('Content-Type', 'text/xml')
self.add_compliance_header()
self.end_headers()
self.wfile.write(content) | def error_response(self, code, content='') | Construct and send error response. | 2.62417 | 2.395551 | 1.095435 |
self.compliance_uri = None
self.iiif = IIIFRequest(baseurl='/')
try:
(of, mime_type) = self.do_GET_body()
if (not of):
raise IIIFError("Unexpected failure to open result image")
self.send_response(200, 'OK')
if (mime_type i... | def do_GET(self) | Implement the HTTP GET method.
The bulk of this code is wrapped in a big try block and anywhere
within the code may raise an IIIFError which then results in an
IIIF error response (section 5 of spec). | 3.8448 | 3.531605 | 1.088683 |
iiif = self.iiif
if (len(self.path) > 1024):
raise IIIFError(code=414,
text="URI Too Long: Max 1024 chars, got %d\n" % len(self.path))
try:
# self.path has leading / then identifier/params...
self.path = self.path.lstrip('/... | def do_GET_body(self) | Create body of GET. | 4.666954 | 4.639129 | 1.005998 |
if (cookie_prefix is None):
self.cookie_prefix = "%06d_" % int(random.random() * 1000000)
else:
self.cookie_prefix = cookie_prefix | def set_cookie_prefix(self, cookie_prefix=None) | Set a random cookie prefix unless one is specified.
In order to run multiple demonstration auth services on the
same server we need to have different cookie names for each
auth domain. Unless cookie_prefix is set, generate a random
one. | 2.843912 | 2.53841 | 1.120352 |
if (self.login_uri):
svc = self.login_service_description()
svcs = []
if (self.logout_uri):
svcs.append(self.logout_service_description())
if (self.client_id_uri):
svcs.append(self.client_id_service_description())
... | def add_services(self, info) | Add auth service descriptions to an IIIFInfo object.
Login service description is the wrapper for all other
auth service descriptions so we have nothing unless
self.login_uri is specified. If we do then add any other
auth services at children.
Exactly the same structure is used... | 3.173129 | 2.750813 | 1.153524 |
label = 'Login to ' + self.name
if (self.auth_type):
label = label + ' (' + self.auth_type + ')'
desc = {"@id": self.login_uri,
"profile": self.profile_base + self.auth_pattern,
"label": label}
if (self.header):
desc['heade... | def login_service_description(self) | Login service description.
The login service description _MUST_ include the token service
description. The authentication pattern is indicated via the
profile URI which is built using self.auth_pattern. | 4.11698 | 3.40516 | 1.209041 |
label = 'Logout from ' + self.name
if (self.auth_type):
label = label + ' (' + self.auth_type + ')'
return({"@id": self.logout_uri,
"profile": self.profile_base + 'logout',
"label": label}) | def logout_service_description(self) | Logout service description. | 6.07914 | 6.239717 | 0.974265 |
if (token):
data = {"accessToken": token,
"expiresIn": self.access_token_lifetime}
if (message_id):
data['messageId'] = message_id
else:
data = {"error": "client_unauthorized",
"description": "No authori... | def access_token_response(self, token, message_id=None) | Access token response structure.
Success if token is set, otherwise (None, empty string) give error
response. If message_id is set then an extra messageId attribute is
set in the response to handle postMessage() responses. | 3.7221 | 3.907502 | 0.952552 |
uri = scheme + '://' + host
if (port and not ((scheme == 'http' and port == 80) or
(scheme == 'https' and port == 443))):
uri += ':' + str(port)
if (prefix):
uri += '/' + prefix
return uri | def scheme_host_port_prefix(self, scheme='http', host='host',
port=None, prefix=None) | Return URI composed of scheme, server, port, and prefix. | 2.150217 | 2.065581 | 1.040974 |
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