INSTRUCTION
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RESPONSE
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Increment value
def inc(self, name, value=1): """ Increment value """ clone = self._clone() clone._qsl = [(q, v) if q != name else (q, int(v) + value) for (q, v) in self._qsl] if name not in dict(clone._qsl).keys(): clone._qsl.append((name, value)) return clone
Commandline options arguments parsing.
def parse_options(): """ Commandline options arguments parsing. :return: parsed commandline arguments. :rtype: optparse.Values. """ version = "%%prog {version}".format(version=__version__) parser = OptionParser(version=version) parser.add_option( "-s", "--server", action="store...
Get programs statuses.
def get_status(options): """ Get programs statuses. :param options: parsed commandline arguments. :type options: optparse.Values. :return: supervisord XML-RPC call result. :rtype: dict. """ payload = { # server connection URI formatted string payload "username": options.userna...
Create Nagios and human readable supervisord statuses.
def create_output(data, options): """ Create Nagios and human readable supervisord statuses. :param data: supervisord XML-RPC call result. :type data: dict. :param options: parsed commandline arguments. :type options: optparse.Values. :return: Nagios and human readable supervisord statuses ...
Program main.
def main(): """ Program main. """ options = parse_options() output, code = create_output(get_status(options), options) sys.stdout.write(output) sys.exit(code)
Validate a decoded SNS message.
def validate( message, get_certificate=lambda url: urlopen(url).read(), certificate_url_regex=DEFAULT_CERTIFICATE_URL_REGEX, max_age=DEFAULT_MAX_AGE ): """ Validate a decoded SNS message. Parameters: message: Decoded SNS message. get_certificate: Fun...
Write numpy data to an. fcs file ( FCS3. 0 file format )
def write_fcs(filename, chn_names, data, endianness="big", compat_chn_names=True, compat_copy=True, compat_negative=True, compat_percent=True, compat_max_int16=10000): """Write numpy data to an .fcs file (FCS3.0 file format) P...
Read tdms file and return channel names and data
def read_tdms(tdms_file): """Read tdms file and return channel names and data""" tdms_file = nptdms.TdmsFile(tdms_file) ch_names = [] ch_data = [] for o in tdms_file.objects.values(): if o.data is not None and len(o.data): chn = o.path.split('/')[-1].strip("'") if "u...
From circularity compute the deformation
def add_deformation(chn_names, data): """From circularity, compute the deformation This method is useful for RT-DC data sets that contain the circularity but not the deformation. """ if "deformation" not in chn_names: for ii, ch in enumerate(chn_names): if ch == "circularity": ...
Creates an fcs file for a given tdms file
def tdms2fcs(tdms_file): """Creates an fcs file for a given tdms file""" fcs_file = tdms_file[:-4]+"fcs" chn_names, data = read_tdms(tdms_file) chn_names, data = add_deformation(chn_names, data) fcswrite.write_fcs(filename=fcs_file, chn_names=chn_names, ...
Returns bytes
def get_header(self, patch_dir=None): """ Returns bytes """ lines = [] if patch_dir: file = patch_dir + File(self.get_name()) name = file.get_name() else: name = self.get_name() with open(name, "rb") as f: for line in f: ...
Returns True if left and right are equal
def equal(self, cwd): """ Returns True if left and right are equal """ cmd = ["diff"] cmd.append("-q") cmd.append(self.left.get_name()) cmd.append(self.right.get_name()) try: Process(cmd).run(cwd=cwd, suppress_output=True) except SubprocessErr...
Adds a new patch with patchname to the queue
def create(self, patchname): """ Adds a new patch with patchname to the queue The new patch will be added as the topmost applied patch. """ patch = Patch(patchname) if self.series.is_patch(patch): raise PatchAlreadyExists(self.series, patchname) patch_dir = ...
Delete next unapplied patch If remove is True the patch file will also be removed. If remove and backup are True a copy of the deleted patch file will be made.
def delete_next(self, remove=False, backup=False): """ Delete next unapplied patch If remove is True the patch file will also be removed. If remove and backup are True a copy of the deleted patch file will be made. """ patch = self.db.top_patch() if patch: aft...
Delete specified patch from the series If remove is True the patch file will also be removed. If remove and backup are True a copy of the deleted patch file will be made.
def delete_patch(self, patch_name=None, remove=False, backup=False): """ Delete specified patch from the series If remove is True the patch file will also be removed. If remove and backup are True a copy of the deleted patch file will be made. """ if patch_name: patch...
Checks if a backup file of the filename in the current patch exists
def _file_in_patch(self, filename, patch, ignore): """ Checks if a backup file of the filename in the current patch exists """ file = self.quilt_pc + File(os.path.join(patch.get_name(), filename)) if file.exists(): if ignore: return True else: ...
Creates a backup of file
def _backup_file(self, file, patch): """ Creates a backup of file """ dest_dir = self.quilt_pc + patch.get_name() file_dir = file.get_directory() if file_dir: #TODO get relative path dest_dir = dest_dir + file_dir backup = Backup() backup.backup_fi...
Add file to the patch with patch_name. If patch_name is None or empty the topmost patch will be used. Adding an already added patch will raise an QuiltError if ignore is False.
def add_file(self, filename, patch_name=None, ignore=False): """ Add file to the patch with patch_name. If patch_name is None or empty the topmost patch will be used. Adding an already added patch will raise an QuiltError if ignore is False. """ file = File(filename) ...
Run command as a subprocess and wait until it is finished.
def run(self, suppress_output=False, inputdata=None, **kw): """Run command as a subprocess and wait until it is finished. The command should be given as a list of strings to avoid problems with shell quoting. If the command exits with a return code other than 0, a SubprocessError is ra...
Creates the directory and all its parent directories if it does not exist yet
def create(self): """ Creates the directory and all its parent directories if it does not exist yet """ if self.dirname and not os.path.exists(self.dirname): os.makedirs(self.dirname)
Copy to destination directory recursively. If symlinks is true symbolic links in the source tree are represented as symbolic links in the new tree but the metadata of the original links is NOT copied ; if false or omitted the contents and metadata of the linked files are copied to the new tree.
def copy(self, dest, symlinks=False): """ Copy to destination directory recursively. If symlinks is true, symbolic links in the source tree are represented as symbolic links in the new tree, but the metadata of the original links is NOT copied; if false or omitted, the contents and metad...
Create hard link as link to this file
def link(self, link): """ Create hard link as link to this file """ if isinstance(link, File): link = link.filename os.link(self.filename, link)
Copy file to destination
def copy(self, dest): """ Copy file to destination """ if isinstance(dest, File): dest_dir = dest.get_directory() dest_dir.create() dest = dest.filename elif isinstance(dest, Directory): dest = dest.dirname shutil.copy2(self.filename, dest...
Returns the directory where the file is placed in or None if the path to the file doesn t contain a directory
def get_directory(self): """ Returns the directory where the file is placed in or None if the path to the file doesn't contain a directory """ dirname = os.path.dirname(self.filename) if dirname: return Directory(dirname) else: return None
Backup file in dest_dir Directory. The return value is a File object pointing to the copied file in the destination directory or None if no file is copied.
def backup_file(self, file, dest_dir, copy_empty=False): """ Backup file in dest_dir Directory. The return value is a File object pointing to the copied file in the destination directory or None if no file is copied. If file exists and it is not empty it is copied to dest_dir. I...
Refresh patch with patch_name or applied top patch if patch_name is None
def refresh(self, patch_name=None, edit=False): """ Refresh patch with patch_name or applied top patch if patch_name is None """ if patch_name: patch = Patch(patch_name) else: patch = self.db.top_patch() if not patch: raise Qui...
Unapply patches up to patch_name. patch_name will end up as top patch
def unapply_patch(self, patch_name, force=False): """ Unapply patches up to patch_name. patch_name will end up as top patch """ self._check(force) patches = self.db.patches_after(Patch(patch_name)) for patch in reversed(patches): self._unapply_patch(patch) ...
Unapply top patch
def unapply_top_patch(self, force=False): """ Unapply top patch """ self._check(force) patch = self.db.top_patch() self._unapply_patch(patch) self.db.save() self.unapplied(self.db.top_patch())
Unapply all patches
def unapply_all(self, force=False): """ Unapply all patches """ self._check(force) for patch in reversed(self.db.applied_patches()): self._unapply_patch(patch) self.db.save() self.unapplied(self.db.top_patch())
Apply all patches up to patch_name
def apply_patch(self, patch_name, force=False, quiet=False): """ Apply all patches up to patch_name """ self._check() patch = Patch(patch_name) patches = self.series.patches_until(patch)[:] applied = self.db.applied_patches() for patch in applied: if patch in...
Apply next patch in series file
def apply_next_patch(self, force=False, quiet=False): """ Apply next patch in series file """ self._check() top = self.db.top_patch() if not top: patch = self.series.first_patch() else: patch = self.series.patch_after(top) if not patch: ...
Apply all patches in series file
def apply_all(self, force=False, quiet=False): """ Apply all patches in series file """ self._check() top = self.db.top_patch() if top: patches = self.series.patches_after(top) else: patches = self.series.patches() if not patches: rais...
Reads all patches from the series file
def read(self): """ Reads all patches from the series file """ self.patchlines = [] self.patch2line = dict() if self.exists(): with open(self.series_file, "r") as f: for line in f: self.add_patch(line)
Saves current patches list in the series file
def save(self): """ Saves current patches list in the series file """ with open(self.series_file, "wb") as f: for patchline in self.patchlines: f.write(_encode_str(str(patchline))) f.write(b"\n")
Add a patch to the patches list
def add_patch(self, patch): """ Add a patch to the patches list """ patchline = PatchLine(patch) patch = patchline.get_patch() if patch: self.patch2line[patch] = patchline self.patchlines.append(patchline)
Insert list of patches at the front of the curent patches list
def insert_patches(self, patches): """ Insert list of patches at the front of the curent patches list """ patchlines = [] for patch_name in patches: patchline = PatchLine(patch_name) patch = patchline.get_patch() if patch: self.patch2line[patch...
Add a list of patches to the patches list
def add_patches(self, patches, after=None): """ Add a list of patches to the patches list """ if after is None: self.insert_patches(patches) else: self._check_patch(after) patchlines = self._patchlines_before(after) patchlines.append(self.patch2lin...
Remove a patch from the patches list
def remove_patch(self, patch): """ Remove a patch from the patches list """ self._check_patch(patch) patchline = self.patch2line[patch] del self.patch2line[patch] self.patchlines.remove(patchline)
Returns a list of patches after patch from the patches list
def patches_after(self, patch): """ Returns a list of patches after patch from the patches list """ return [line.get_patch() for line in self._patchlines_after(patch) if line.get_patch()]
Returns a list of patches before patch from the patches list
def patches_before(self, patch): """ Returns a list of patches before patch from the patches list """ return [line.get_patch() for line in self._patchlines_before(patch) if line.get_patch()]
Returns a list of patches before patch from the patches list including the provided patch
def patches_until(self, patch): """ Returns a list of patches before patch from the patches list including the provided patch """ return [line.get_patch() for line in self._patchlines_until(patch) if line.get_patch()]
Replace old_patch with new_patch The method only replaces the patch and doesn t change any comments.
def replace(self, old_patch, new_patch): """ Replace old_patch with new_patch The method only replaces the patch and doesn't change any comments. """ self._check_patch(old_patch) old_patchline = self.patch2line[old_patch] index = self.patchlines.index(old_patchline) ...
Creates the dirname and inserts a. version file
def create(self): """ Creates the dirname and inserts a .version file """ if not os.path.exists(self.dirname): os.makedirs(self.dirname) self._create_version(self.version_file)
Checks if the. version file in dirname has the correct supported version number
def check_version(self, version_file): """ Checks if the .version file in dirname has the correct supported version number """ # The file contains a version number as a decimal integer, optionally # followed by a newline with open(version_file, "r") as f: version ...
Adds the group and its arguments to a argparse. ArgumentParser instance
def add_to_parser(self, parser): """ Adds the group and its arguments to a argparse.ArgumentParser instance @param parser A argparse.ArgumentParser instance """ self.group = parser.add_argument_group(self.title, self.description) for arg in self.arguments: ar...
Adds the argument to an argparse. ArgumentParser instance
def add_to_parser(self, parser): """ Adds the argument to an argparse.ArgumentParser instance @param parser An argparse.ArgumentParser instance """ kwargs = self._get_kwargs() args = self._get_args() parser.add_argument(*args, **kwargs)
Adds this SubParser to the subparsers created by argparse. ArgumentParser. add_subparsers method.
def add_to_parser(self, subparsers): """ Adds this SubParser to the subparsers created by argparse.ArgumentParser.add_subparsers method. @param subparsers Normally a _SubParsersAction instance created by argparse.ArgumentParser.add_subparsers method """ parser = ...
Sets args and kwargs that are passed when creating a subparsers group in an argparse. ArgumentParser i. e. when calling argparser. ArgumentParser. add_subparsers
def set_subparsers_args(self, *args, **kwargs): """ Sets args and kwargs that are passed when creating a subparsers group in an argparse.ArgumentParser i.e. when calling argparser.ArgumentParser.add_subparsers """ self.subparsers_args = args self.subparsers_kwargs...
Adds the subparsers to an argparse. ArgumentParser
def add_subparsers(self, parser): """ Adds the subparsers to an argparse.ArgumentParser @param parser An argparse.ArgumentParser instance """ sgroup = getattr(self, "subparser_group", None) if sgroup: sgroup.add_to_parser(self) if not self.subparsers...
Checks if a backup file of the filename in the current patch exists and raises a QuiltError if not.
def _file_in_patch(self, filename, patch): """ Checks if a backup file of the filename in the current patch exists and raises a QuiltError if not. """ pc_dir = self.quilt_pc + patch.get_name() file = pc_dir + File(filename) if not file.exists(): raise QuiltErr...
Checks if a backup file of the filename in the applied patches after patch exists
def _file_in_next_patches(self, filename, patch): """ Checks if a backup file of the filename in the applied patches after patch exists """ if not self.db.is_patch(patch): # no patches applied return patches = self.db.patches_after(patch) for patch in pa...
Revert not added changes of filename. If patch_name is None or empty the topmost patch will be used.
def revert_file(self, filename, patch_name=None): """ Revert not added changes of filename. If patch_name is None or empty the topmost patch will be used. """ file = File(filename) if patch_name: patch = Patch(patch_name) else: patch = self.db.top...
Import patch into the patch queue The patch is inserted as the next unapplied patch.
def import_patch(self, patch_name, new_name=None): """ Import patch into the patch queue The patch is inserted as the next unapplied patch. """ if new_name: dir_name = os.path.dirname(new_name) name = os.path.basename(new_name) dest_dir = self.quilt_pa...
Import several patches into the patch queue
def import_patches(self, patches): """ Import several patches into the patch queue """ dest_dir = self.quilt_patches patch_names = [] for patch in patches: patch_name = os.path.basename(patch) patch_file = File(patch) dest_file = dest_dir + File(patc...
Process each way.
def way(self, w): """Process each way.""" if w.id not in self.way_ids: return way_points = [] for n in w.nodes: try: way_points.append(Point(n.location.lon, n.location.lat)) except o.InvalidLocationError: logging.debug(...
Get a list of nodes not found in OSM data.
def missing_node_ids(self): """Get a list of nodes not found in OSM data.""" present_node_ids = self.nodes.keys() for nid in self.node_ids: if nid not in present_node_ids: yield nid
Process each node.
def node(self, n): """Process each node.""" if n.id not in self.node_ids: return try: self.nodes[n.id] =\ Node(n.id, n.location.lon, n.location.lat, {t.k: t.v for t in n.tags}) except o.Invali...
Extract information of one route.
def build_route(relation): """Extract information of one route.""" if relation.tags.get('type') != 'route': # Build route only for relations of type `route` return short_name = create_route_short_name(relation) color = relation.tags.get('color') return\ Route(relation.id, ...
Create a meaningful route name.
def create_route_long_name(relation, short_name): """Create a meaningful route name.""" if relation.tags.get('from') and relation.tags.get('to'): return "{0}-to-{1}".format(relation.tags.get('from'), relation.tags.get('to')) name = relation.tags.get('name') or\ ...
Construct an id for agency using its tags.
def get_agency_id(relation): """Construct an id for agency using its tags.""" op = relation.tags.get('operator') if op: return int(hashlib.sha256(op.encode('utf-8')).hexdigest(), 16) % 10**8 return -1
Process the files and collect necessary data.
def process(self): """Process the files and collect necessary data.""" # Extract relations self.rh = RelationHandler() self.rh.apply_file(self.filename) logging.debug('Found %d public transport relations.', len(self.rh.relations)) # Collect ids of interest node...
Process each relation.
def relation(self, rel): """Process each relation.""" rel_type = rel.tags.get('type') if any([rel.deleted, not rel.visible, not self.is_new_version(rel), rel_type not in ['route', 'public_transport']]): return route_tag = rel.t...
Create calendar stop_times trips and shapes.
def create_dummy_data(routes, stops): """Create `calendar`, `stop_times`, `trips` and `shapes`. :return: DummyData namedtuple """ # Build stops per route auxiliary map stops_per_route = defaultdict(lambda: []) stops_map = {} for s in stops: if not s.route_id: continue ...
Fill the fields that are necessary for passing transitfeed checks.
def patch_agencies(agencies): """Fill the fields that are necessary for passing transitfeed checks.""" # First return the unknown agency entry yield Agency(-1, 'http://hiposfer.com', 'Unknown agency', 'Europe/Berlin') # Then return the rest. for agency_id, agency_url, agency_name, agency_timezone i...
Create station stop times for each trip.
def _create_dummy_trip_stoptimes(trip_id, stops, first_service_time): """Create station stop times for each trip.""" waiting = datetime.timedelta(seconds=30) arrival = first_service_time last_departure = first_service_time last_departure_hour = (arrival + waiting).hour last_stop = None depa...
Write the GTFS feed in the given file.
def write_zipped(self, filepath): """Write the GTFS feed in the given file.""" with zipfile.ZipFile(filepath, mode='w', compression=zipfile.ZIP_DEFLATED) as zfile: for name, buffer in self._buffers.items(): encoded_values = io.BytesIO(buffer.getvalue().encode('utf-8')) ...
Write GTFS text files in the given path.
def write_unzipped(self, destination): """Write GTFS text files in the given path.""" for name, buffer in self._buffers.items(): with open(os.path.join(destination, '{}.txt'.format(name)), 'w', encoding='utf-8') as file: ...
Extract agency information.
def build_agency(relation, nodes): """Extract agency information.""" # TODO: find out the operator for routes without operator tag. # See: http://wiki.openstreetmap.org/wiki/Key:operator # Quote from the above link: # # If the vast majority of a certain object in an area is operated by a cert...
Extract stops in a relation.
def extract_stops(relation, nodes, visited_stop_ids, stop_to_station_map): """Extract stops in a relation.""" # member_role: stop, halt, platform, terminal, etc. for member_type, member_id, member_role in relation.member_info: if member_id not in visited_stop_ids and \ member_id in node...
Extract shape of one route.
def build_shape(relation, nodes, ways): """Extract shape of one route.""" sequence_index = 0 for member_type, member_id, member_role in relation.member_info: if member_id in nodes: yield Shape( relation.id, nodes[member_id].lat, nodes[mem...
Gets a list of supported U2F versions from the device.
def get_supported_versions(self): """ Gets a list of supported U2F versions from the device. """ if not hasattr(self, '_versions'): try: self._versions = [self.send_apdu(INS_GET_VERSION).decode()] except exc.APDUError as e: # v0 did...
Sends an APDU to the device and waits for a response.
def send_apdu(self, ins, p1=0, p2=0, data=b''): """ Sends an APDU to the device, and waits for a response. """ if data is None: data = b'' elif isinstance(data, int): data = int2byte(data) size = len(data) l0 = size >> 16 & 0xff l1...
Interactively authenticates a AuthenticateRequest using an attached U2F device.
def authenticate(devices, params, facet, check_only): """ Interactively authenticates a AuthenticateRequest using an attached U2F device. """ for device in devices[:]: try: device.open() except: devices.remove(device) try: prompted = False ...
Register a U2F device
def register(device, data, facet): """ Register a U2F device data = { "version": "U2F_V2", "challenge": string, //b64 encoded challenge "appId": string, //app_id } """ if isinstance(data, string_types): data = json.loads(data) if data['version'] != VERSION...
Signs an authentication challenge
def authenticate(device, data, facet, check_only=False): """ Signs an authentication challenge data = { 'version': "U2F_V2", 'challenge': websafe_encode(self.challenge), 'appId': self.binding.app_id, 'keyHandle': websafe_encode(self.binding.key_handle) } """ if...
Interactively registers a single U2F device given the RegistrationRequest.
def register(devices, params, facet): """ Interactively registers a single U2F device, given the RegistrationRequest. """ for device in devices[:]: try: device.open() except: devices.remove(device) sys.stderr.write('\nTouch the U2F device you wish to register...
Recursively converts unicode objects to UTF - 8 encoded byte strings.
def u2str(data): """Recursively converts unicode objects to UTF-8 encoded byte strings.""" if isinstance(data, dict): return {u2str(k): u2str(v) for k, v in data.items()} elif isinstance(data, list): return [u2str(x) for x in data] elif isinstance(data, text_type): return data.en...
Wraps a function with reporting to errors backend
def wrap_function(func=None, error_threshold=None, reraise_exception=True, save_current_stack_trace=True): ''' Wraps a function with reporting to errors backend ''' # This if/else allows wrap_function to behave like a normal decorator when # used like: # @wrap_function # def some_fun...
Wraps a class with reporting to errors backend by decorating each function of the class. Decorators are injected under the classmethod decorator if they exist.
def wrap_class(cls, error_threshold=None): ''' Wraps a class with reporting to errors backend by decorating each function of the class. Decorators are injected under the classmethod decorator if they exist. ''' methods = inspect.getmembers(cls, inspect.ismethod) + inspect.getmembers(cls, inspect...
Figures out which line in traceback is to blame for the error. Returns a 3 - tuple of ( ErrorKey StackTraceEntry [ email recipients ] )
def _blame_line(self, traceback): '''Figures out which line in traceback is to blame for the error. Returns a 3-tuple of (ErrorKey, StackTraceEntry, [email recipients])''' key = None blamed_entry = None email_recipients = [] for stack_line in traceback: line_t...
Given a filepath and a list of regex patterns this function returns true if filepath matches any one of those patterns
def _matches_filepath_pattern(self, filepath): '''Given a filepath, and a list of regex patterns, this function returns true if filepath matches any one of those patterns''' if not self.only_blame_patterns: return True for pattern in self.only_blame_patterns: if ...
Given an email address check the email_remapping table to see if the email should be sent to a different address. This function also handles overriding the email domain if ignore_vcs_email_domain is set or the domain was missing
def _get_email(self, email): '''Given an email address, check the email_remapping table to see if the email should be sent to a different address. This function also handles overriding the email domain if ignore_vcs_email_domain is set or the domain was missing''' if not email or "@" not...
Helper function for retrieving a particular entry from the prefix trees
def _get_entry(self, entry, entry_tree): '''Helper function for retrieving a particular entry from the prefix trees''' for e in entry_tree[entry.filename]: if entry == e: return e
This is not a general purpose converter. Only converts this readme
def markdown_to_reST(text): '''This is not a general purpose converter. Only converts this readme''' # Convert parameters to italics and prepend a newline text = re.sub(pattern=r"\n (\w+) - (.+)\n", repl=r"\n\n *\g<1>* - \g<2>\n", string=text) # Parse [ht...
This method starts the server. There are two processes one is an HTTP server that shows and admin interface and the second is a Thrift server that the client code calls.
def serve(conf_path, storage_factory=None): """This method starts the server. There are two processes, one is an HTTP server that shows and admin interface and the second is a Thrift server that the client code calls. Arguments: `conf_path` - The path to your flawless.cfg file `storage_fact...
Helper function to record errors to the flawless backend
def record_error(hostname, exc_info, preceding_stack=None, error_threshold=None, additional_info=None): ''' Helper function to record errors to the flawless backend ''' stack = [] exc_type, exc_value, sys_traceback = exc_info while sys_traceback is not None: stack.append(sys_traceback) ...
Helper function that can be called when serializing/ deserializing thrift objects whose definitions have changed we need to make sure we initialize the new attributes to their default value
def migrate_thrift_obj(self, obj): """Helper function that can be called when serializing/deserializing thrift objects whose definitions have changed, we need to make sure we initialize the new attributes to their default value""" if not hasattr(obj, "thrift_spec"): return o...
Fetch an image from url and convert it into a Pillow Image object
def url_to_image(url): """ Fetch an image from url and convert it into a Pillow Image object """ r = requests.get(url) image = StringIO(r.content) return image
Convert string datas into a Pillow Image object
def string_to_image(image_string): """ Convert string datas into a Pillow Image object """ image_filelike = StringIO(image_string) image = Image.open(image_filelike) return image
Return a decorator that validates arguments with provided validator function.
def validate(validator): """ Return a decorator that validates arguments with provided `validator` function. This will also store the validator function as `func.validate`. The decorator returned by this function, can bypass the validator if `validate=False` is passed as argument otherwise the ...
Check that the image s size superior to size
def _is_big_enough(image, size): """Check that the image's size superior to `size`""" if (size[0] > image.size[0]) and (size[1] > image.size[1]): raise ImageSizeError(image.size, size)
Check that the image width is superior to width
def _width_is_big_enough(image, width): """Check that the image width is superior to `width`""" if width > image.size[0]: raise ImageSizeError(image.size[0], width)
Check that the image height is superior to height
def _height_is_big_enough(image, height): """Check that the image height is superior to `height`""" if height > image.size[1]: raise ImageSizeError(image.size[1], height)
Crop the image with a centered rectangle of the specified size image: a Pillow image instance size: a list of two integers [ width height ]
def resize_crop(image, size): """ Crop the image with a centered rectangle of the specified size image: a Pillow image instance size: a list of two integers [width, height] """ img_format = image.format image = image.copy() old_size = image.size left = (old_size[0] - size[...
Resize image according to size. image: a Pillow image instance size: a list of two integers [ width height ]
def resize_cover(image, size, resample=Image.LANCZOS): """ Resize image according to size. image: a Pillow image instance size: a list of two integers [width, height] """ img_format = image.format img = image.copy() img_size = img.size ratio = max(size[0] / img_size[0], si...
Resize image according to size. image: a Pillow image instance size: a list of two integers [ width height ]
def resize_contain(image, size, resample=Image.LANCZOS, bg_color=(255, 255, 255, 0)): """ Resize image according to size. image: a Pillow image instance size: a list of two integers [width, height] """ img_format = image.format img = image.copy() img.thumbnail((size[0], size[1...
Resize image according to size. image: a Pillow image instance size: an integer or a list or tuple of two integers [ width height ]
def resize_width(image, size, resample=Image.LANCZOS): """ Resize image according to size. image: a Pillow image instance size: an integer or a list or tuple of two integers [width, height] """ try: width = size[0] except: width = size img_format = image.format...
Resize image according to size. image: a Pillow image instance size: an integer or a list or tuple of two integers [ width height ]
def resize_height(image, size, resample=Image.LANCZOS): """ Resize image according to size. image: a Pillow image instance size: an integer or a list or tuple of two integers [width, height] """ try: height = size[1] except: height = size img_format = image.for...
Resize image according to size. image: a Pillow image instance size: a list of two integers [ width height ]
def resize_thumbnail(image, size, resample=Image.LANCZOS): """ Resize image according to size. image: a Pillow image instance size: a list of two integers [width, height] """ img_format = image.format img = image.copy() img.thumbnail((size[0], size[1]), resample) img.form...
Helper function to access one of the resize function. method: one among crop cover contain width height or thumbnail image: a Pillow image instance size: a list or tuple of two integers [ width height ]
def resize(method, *args, **kwargs): """ Helper function to access one of the resize function. method: one among 'crop', 'cover', 'contain', 'width', 'height' or 'thumbnail' image: a Pillow image instance size: a list or tuple of two integers [width, height] """ if method not ...