Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(144)

Unified Diff: reviewbot/third_party/google-api-python-client/apiclient/discovery.py

Issue 20515002: Add google-api-python-client in third_party/ (Closed) Base URL: https://src.chromium.org/chrome/trunk/tools/
Patch Set: Created 7 years, 5 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: reviewbot/third_party/google-api-python-client/apiclient/discovery.py
===================================================================
--- reviewbot/third_party/google-api-python-client/apiclient/discovery.py (revision 0)
+++ reviewbot/third_party/google-api-python-client/apiclient/discovery.py (revision 0)
@@ -0,0 +1,959 @@
+# Copyright (C) 2010 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Client for discovery based APIs.
+
+A client library for Google's discovery based APIs.
+"""
+
+__author__ = 'jcgregorio@google.com (Joe Gregorio)'
+__all__ = [
+ 'build',
+ 'build_from_document',
+ 'fix_method_name',
+ 'key2param',
+ ]
+
+
+# Standard library imports
+import copy
+from email.mime.multipart import MIMEMultipart
+from email.mime.nonmultipart import MIMENonMultipart
+import keyword
+import logging
+import mimetypes
+import os
+import re
+import urllib
+import urlparse
+
+try:
+ from urlparse import parse_qsl
+except ImportError:
+ from cgi import parse_qsl
+
+# Third-party imports
+import httplib2
+import mimeparse
+import uritemplate
+
+# Local imports
+from apiclient.errors import HttpError
+from apiclient.errors import InvalidJsonError
+from apiclient.errors import MediaUploadSizeError
+from apiclient.errors import UnacceptableMimeTypeError
+from apiclient.errors import UnknownApiNameOrVersion
+from apiclient.errors import UnknownFileType
+from apiclient.http import HttpRequest
+from apiclient.http import MediaFileUpload
+from apiclient.http import MediaUpload
+from apiclient.model import JsonModel
+from apiclient.model import MediaModel
+from apiclient.model import RawModel
+from apiclient.schema import Schemas
+from oauth2client.anyjson import simplejson
+from oauth2client.util import _add_query_parameter
+from oauth2client.util import positional
+
+
+# The client library requires a version of httplib2 that supports RETRIES.
+httplib2.RETRIES = 1
+
+logger = logging.getLogger(__name__)
+
+URITEMPLATE = re.compile('{[^}]*}')
+VARNAME = re.compile('[a-zA-Z0-9_-]+')
+DISCOVERY_URI = ('https://www.googleapis.com/discovery/v1/apis/'
+ '{api}/{apiVersion}/rest')
+DEFAULT_METHOD_DOC = 'A description of how to use this function'
+HTTP_PAYLOAD_METHODS = frozenset(['PUT', 'POST', 'PATCH'])
+_MEDIA_SIZE_BIT_SHIFTS = {'KB': 10, 'MB': 20, 'GB': 30, 'TB': 40}
+BODY_PARAMETER_DEFAULT_VALUE = {
+ 'description': 'The request body.',
+ 'type': 'object',
+ 'required': True,
+}
+MEDIA_BODY_PARAMETER_DEFAULT_VALUE = {
+ 'description': ('The filename of the media request body, or an instance '
+ 'of a MediaUpload object.'),
+ 'type': 'string',
+ 'required': False,
+}
+
+# Parameters accepted by the stack, but not visible via discovery.
+# TODO(dhermes): Remove 'userip' in 'v2'.
+STACK_QUERY_PARAMETERS = frozenset(['trace', 'pp', 'userip', 'strict'])
+STACK_QUERY_PARAMETER_DEFAULT_VALUE = {'type': 'string', 'location': 'query'}
+
+# Library-specific reserved words beyond Python keywords.
+RESERVED_WORDS = frozenset(['body'])
+
+
+def fix_method_name(name):
+ """Fix method names to avoid reserved word conflicts.
+
+ Args:
+ name: string, method name.
+
+ Returns:
+ The name with a '_' prefixed if the name is a reserved word.
+ """
+ if keyword.iskeyword(name) or name in RESERVED_WORDS:
+ return name + '_'
+ else:
+ return name
+
+
+def key2param(key):
+ """Converts key names into parameter names.
+
+ For example, converting "max-results" -> "max_results"
+
+ Args:
+ key: string, the method key name.
+
+ Returns:
+ A safe method name based on the key name.
+ """
+ result = []
+ key = list(key)
+ if not key[0].isalpha():
+ result.append('x')
+ for c in key:
+ if c.isalnum():
+ result.append(c)
+ else:
+ result.append('_')
+
+ return ''.join(result)
+
+
+@positional(2)
+def build(serviceName,
+ version,
+ http=None,
+ discoveryServiceUrl=DISCOVERY_URI,
+ developerKey=None,
+ model=None,
+ requestBuilder=HttpRequest):
+ """Construct a Resource for interacting with an API.
+
+ Construct a Resource object for interacting with an API. The serviceName and
+ version are the names from the Discovery service.
+
+ Args:
+ serviceName: string, name of the service.
+ version: string, the version of the service.
+ http: httplib2.Http, An instance of httplib2.Http or something that acts
+ like it that HTTP requests will be made through.
+ discoveryServiceUrl: string, a URI Template that points to the location of
+ the discovery service. It should have two parameters {api} and
+ {apiVersion} that when filled in produce an absolute URI to the discovery
+ document for that service.
+ developerKey: string, key obtained from
+ https://code.google.com/apis/console.
+ model: apiclient.Model, converts to and from the wire format.
+ requestBuilder: apiclient.http.HttpRequest, encapsulator for an HTTP
+ request.
+
+ Returns:
+ A Resource object with methods for interacting with the service.
+ """
+ params = {
+ 'api': serviceName,
+ 'apiVersion': version
+ }
+
+ if http is None:
+ http = httplib2.Http()
+
+ requested_url = uritemplate.expand(discoveryServiceUrl, params)
+
+ # REMOTE_ADDR is defined by the CGI spec [RFC3875] as the environment
+ # variable that contains the network address of the client sending the
+ # request. If it exists then add that to the request for the discovery
+ # document to avoid exceeding the quota on discovery requests.
+ if 'REMOTE_ADDR' in os.environ:
+ requested_url = _add_query_parameter(requested_url, 'userIp',
+ os.environ['REMOTE_ADDR'])
+ logger.info('URL being requested: %s' % requested_url)
+
+ resp, content = http.request(requested_url)
+
+ if resp.status == 404:
+ raise UnknownApiNameOrVersion("name: %s version: %s" % (serviceName,
+ version))
+ if resp.status >= 400:
+ raise HttpError(resp, content, uri=requested_url)
+
+ try:
+ service = simplejson.loads(content)
+ except ValueError, e:
+ logger.error('Failed to parse as JSON: ' + content)
+ raise InvalidJsonError()
+
+ return build_from_document(content, base=discoveryServiceUrl, http=http,
+ developerKey=developerKey, model=model, requestBuilder=requestBuilder)
+
+
+@positional(1)
+def build_from_document(
+ service,
+ base=None,
+ future=None,
+ http=None,
+ developerKey=None,
+ model=None,
+ requestBuilder=HttpRequest):
+ """Create a Resource for interacting with an API.
+
+ Same as `build()`, but constructs the Resource object from a discovery
+ document that is it given, as opposed to retrieving one over HTTP.
+
+ Args:
+ service: string or object, the JSON discovery document describing the API.
+ The value passed in may either be the JSON string or the deserialized
+ JSON.
+ base: string, base URI for all HTTP requests, usually the discovery URI.
+ This parameter is no longer used as rootUrl and servicePath are included
+ within the discovery document. (deprecated)
+ future: string, discovery document with future capabilities (deprecated).
+ http: httplib2.Http, An instance of httplib2.Http or something that acts
+ like it that HTTP requests will be made through.
+ developerKey: string, Key for controlling API usage, generated
+ from the API Console.
+ model: Model class instance that serializes and de-serializes requests and
+ responses.
+ requestBuilder: Takes an http request and packages it up to be executed.
+
+ Returns:
+ A Resource object with methods for interacting with the service.
+ """
+
+ # future is no longer used.
+ future = {}
+
+ if isinstance(service, basestring):
+ service = simplejson.loads(service)
+ base = urlparse.urljoin(service['rootUrl'], service['servicePath'])
+ schema = Schemas(service)
+
+ if model is None:
+ features = service.get('features', [])
+ model = JsonModel('dataWrapper' in features)
+ return Resource(http=http, baseUrl=base, model=model,
+ developerKey=developerKey, requestBuilder=requestBuilder,
+ resourceDesc=service, rootDesc=service, schema=schema)
+
+
+def _cast(value, schema_type):
+ """Convert value to a string based on JSON Schema type.
+
+ See http://tools.ietf.org/html/draft-zyp-json-schema-03 for more details on
+ JSON Schema.
+
+ Args:
+ value: any, the value to convert
+ schema_type: string, the type that value should be interpreted as
+
+ Returns:
+ A string representation of 'value' based on the schema_type.
+ """
+ if schema_type == 'string':
+ if type(value) == type('') or type(value) == type(u''):
+ return value
+ else:
+ return str(value)
+ elif schema_type == 'integer':
+ return str(int(value))
+ elif schema_type == 'number':
+ return str(float(value))
+ elif schema_type == 'boolean':
+ return str(bool(value)).lower()
+ else:
+ if type(value) == type('') or type(value) == type(u''):
+ return value
+ else:
+ return str(value)
+
+
+def _media_size_to_long(maxSize):
+ """Convert a string media size, such as 10GB or 3TB into an integer.
+
+ Args:
+ maxSize: string, size as a string, such as 2MB or 7GB.
+
+ Returns:
+ The size as an integer value.
+ """
+ if len(maxSize) < 2:
+ return 0L
+ units = maxSize[-2:].upper()
+ bit_shift = _MEDIA_SIZE_BIT_SHIFTS.get(units)
+ if bit_shift is not None:
+ return long(maxSize[:-2]) << bit_shift
+ else:
+ return long(maxSize)
+
+
+def _media_path_url_from_info(root_desc, path_url):
+ """Creates an absolute media path URL.
+
+ Constructed using the API root URI and service path from the discovery
+ document and the relative path for the API method.
+
+ Args:
+ root_desc: Dictionary; the entire original deserialized discovery document.
+ path_url: String; the relative URL for the API method. Relative to the API
+ root, which is specified in the discovery document.
+
+ Returns:
+ String; the absolute URI for media upload for the API method.
+ """
+ return '%(root)supload/%(service_path)s%(path)s' % {
+ 'root': root_desc['rootUrl'],
+ 'service_path': root_desc['servicePath'],
+ 'path': path_url,
+ }
+
+
+def _fix_up_parameters(method_desc, root_desc, http_method):
+ """Updates parameters of an API method with values specific to this library.
+
+ Specifically, adds whatever global parameters are specified by the API to the
+ parameters for the individual method. Also adds parameters which don't
+ appear in the discovery document, but are available to all discovery based
+ APIs (these are listed in STACK_QUERY_PARAMETERS).
+
+ SIDE EFFECTS: This updates the parameters dictionary object in the method
+ description.
+
+ Args:
+ method_desc: Dictionary with metadata describing an API method. Value comes
+ from the dictionary of methods stored in the 'methods' key in the
+ deserialized discovery document.
+ root_desc: Dictionary; the entire original deserialized discovery document.
+ http_method: String; the HTTP method used to call the API method described
+ in method_desc.
+
+ Returns:
+ The updated Dictionary stored in the 'parameters' key of the method
+ description dictionary.
+ """
+ parameters = method_desc.setdefault('parameters', {})
+
+ # Add in the parameters common to all methods.
+ for name, description in root_desc.get('parameters', {}).iteritems():
+ parameters[name] = description
+
+ # Add in undocumented query parameters.
+ for name in STACK_QUERY_PARAMETERS:
+ parameters[name] = STACK_QUERY_PARAMETER_DEFAULT_VALUE.copy()
+
+ # Add 'body' (our own reserved word) to parameters if the method supports
+ # a request payload.
+ if http_method in HTTP_PAYLOAD_METHODS and 'request' in method_desc:
+ body = BODY_PARAMETER_DEFAULT_VALUE.copy()
+ body.update(method_desc['request'])
+ parameters['body'] = body
+
+ return parameters
+
+
+def _fix_up_media_upload(method_desc, root_desc, path_url, parameters):
+ """Updates parameters of API by adding 'media_body' if supported by method.
+
+ SIDE EFFECTS: If the method supports media upload and has a required body,
+ sets body to be optional (required=False) instead. Also, if there is a
+ 'mediaUpload' in the method description, adds 'media_upload' key to
+ parameters.
+
+ Args:
+ method_desc: Dictionary with metadata describing an API method. Value comes
+ from the dictionary of methods stored in the 'methods' key in the
+ deserialized discovery document.
+ root_desc: Dictionary; the entire original deserialized discovery document.
+ path_url: String; the relative URL for the API method. Relative to the API
+ root, which is specified in the discovery document.
+ parameters: A dictionary describing method parameters for method described
+ in method_desc.
+
+ Returns:
+ Triple (accept, max_size, media_path_url) where:
+ - accept is a list of strings representing what content types are
+ accepted for media upload. Defaults to empty list if not in the
+ discovery document.
+ - max_size is a long representing the max size in bytes allowed for a
+ media upload. Defaults to 0L if not in the discovery document.
+ - media_path_url is a String; the absolute URI for media upload for the
+ API method. Constructed using the API root URI and service path from
+ the discovery document and the relative path for the API method. If
+ media upload is not supported, this is None.
+ """
+ media_upload = method_desc.get('mediaUpload', {})
+ accept = media_upload.get('accept', [])
+ max_size = _media_size_to_long(media_upload.get('maxSize', ''))
+ media_path_url = None
+
+ if media_upload:
+ media_path_url = _media_path_url_from_info(root_desc, path_url)
+ parameters['media_body'] = MEDIA_BODY_PARAMETER_DEFAULT_VALUE.copy()
+ if 'body' in parameters:
+ parameters['body']['required'] = False
+
+ return accept, max_size, media_path_url
+
+
+def _fix_up_method_description(method_desc, root_desc):
+ """Updates a method description in a discovery document.
+
+ SIDE EFFECTS: Changes the parameters dictionary in the method description with
+ extra parameters which are used locally.
+
+ Args:
+ method_desc: Dictionary with metadata describing an API method. Value comes
+ from the dictionary of methods stored in the 'methods' key in the
+ deserialized discovery document.
+ root_desc: Dictionary; the entire original deserialized discovery document.
+
+ Returns:
+ Tuple (path_url, http_method, method_id, accept, max_size, media_path_url)
+ where:
+ - path_url is a String; the relative URL for the API method. Relative to
+ the API root, which is specified in the discovery document.
+ - http_method is a String; the HTTP method used to call the API method
+ described in the method description.
+ - method_id is a String; the name of the RPC method associated with the
+ API method, and is in the method description in the 'id' key.
+ - accept is a list of strings representing what content types are
+ accepted for media upload. Defaults to empty list if not in the
+ discovery document.
+ - max_size is a long representing the max size in bytes allowed for a
+ media upload. Defaults to 0L if not in the discovery document.
+ - media_path_url is a String; the absolute URI for media upload for the
+ API method. Constructed using the API root URI and service path from
+ the discovery document and the relative path for the API method. If
+ media upload is not supported, this is None.
+ """
+ path_url = method_desc['path']
+ http_method = method_desc['httpMethod']
+ method_id = method_desc['id']
+
+ parameters = _fix_up_parameters(method_desc, root_desc, http_method)
+ # Order is important. `_fix_up_media_upload` needs `method_desc` to have a
+ # 'parameters' key and needs to know if there is a 'body' parameter because it
+ # also sets a 'media_body' parameter.
+ accept, max_size, media_path_url = _fix_up_media_upload(
+ method_desc, root_desc, path_url, parameters)
+
+ return path_url, http_method, method_id, accept, max_size, media_path_url
+
+
+# TODO(dhermes): Convert this class to ResourceMethod and make it callable
+class ResourceMethodParameters(object):
+ """Represents the parameters associated with a method.
+
+ Attributes:
+ argmap: Map from method parameter name (string) to query parameter name
+ (string).
+ required_params: List of required parameters (represented by parameter
+ name as string).
+ repeated_params: List of repeated parameters (represented by parameter
+ name as string).
+ pattern_params: Map from method parameter name (string) to regular
+ expression (as a string). If the pattern is set for a parameter, the
+ value for that parameter must match the regular expression.
+ query_params: List of parameters (represented by parameter name as string)
+ that will be used in the query string.
+ path_params: Set of parameters (represented by parameter name as string)
+ that will be used in the base URL path.
+ param_types: Map from method parameter name (string) to parameter type. Type
+ can be any valid JSON schema type; valid values are 'any', 'array',
+ 'boolean', 'integer', 'number', 'object', or 'string'. Reference:
+ http://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.1
+ enum_params: Map from method parameter name (string) to list of strings,
+ where each list of strings is the list of acceptable enum values.
+ """
+
+ def __init__(self, method_desc):
+ """Constructor for ResourceMethodParameters.
+
+ Sets default values and defers to set_parameters to populate.
+
+ Args:
+ method_desc: Dictionary with metadata describing an API method. Value
+ comes from the dictionary of methods stored in the 'methods' key in
+ the deserialized discovery document.
+ """
+ self.argmap = {}
+ self.required_params = []
+ self.repeated_params = []
+ self.pattern_params = {}
+ self.query_params = []
+ # TODO(dhermes): Change path_params to a list if the extra URITEMPLATE
+ # parsing is gotten rid of.
+ self.path_params = set()
+ self.param_types = {}
+ self.enum_params = {}
+
+ self.set_parameters(method_desc)
+
+ def set_parameters(self, method_desc):
+ """Populates maps and lists based on method description.
+
+ Iterates through each parameter for the method and parses the values from
+ the parameter dictionary.
+
+ Args:
+ method_desc: Dictionary with metadata describing an API method. Value
+ comes from the dictionary of methods stored in the 'methods' key in
+ the deserialized discovery document.
+ """
+ for arg, desc in method_desc.get('parameters', {}).iteritems():
+ param = key2param(arg)
+ self.argmap[param] = arg
+
+ if desc.get('pattern'):
+ self.pattern_params[param] = desc['pattern']
+ if desc.get('enum'):
+ self.enum_params[param] = desc['enum']
+ if desc.get('required'):
+ self.required_params.append(param)
+ if desc.get('repeated'):
+ self.repeated_params.append(param)
+ if desc.get('location') == 'query':
+ self.query_params.append(param)
+ if desc.get('location') == 'path':
+ self.path_params.add(param)
+ self.param_types[param] = desc.get('type', 'string')
+
+ # TODO(dhermes): Determine if this is still necessary. Discovery based APIs
+ # should have all path parameters already marked with
+ # 'location: path'.
+ for match in URITEMPLATE.finditer(method_desc['path']):
+ for namematch in VARNAME.finditer(match.group(0)):
+ name = key2param(namematch.group(0))
+ self.path_params.add(name)
+ if name in self.query_params:
+ self.query_params.remove(name)
+
+
+def createMethod(methodName, methodDesc, rootDesc, schema):
+ """Creates a method for attaching to a Resource.
+
+ Args:
+ methodName: string, name of the method to use.
+ methodDesc: object, fragment of deserialized discovery document that
+ describes the method.
+ rootDesc: object, the entire deserialized discovery document.
+ schema: object, mapping of schema names to schema descriptions.
+ """
+ methodName = fix_method_name(methodName)
+ (pathUrl, httpMethod, methodId, accept,
+ maxSize, mediaPathUrl) = _fix_up_method_description(methodDesc, rootDesc)
+
+ parameters = ResourceMethodParameters(methodDesc)
+
+ def method(self, **kwargs):
+ # Don't bother with doc string, it will be over-written by createMethod.
+
+ for name in kwargs.iterkeys():
+ if name not in parameters.argmap:
+ raise TypeError('Got an unexpected keyword argument "%s"' % name)
+
+ # Remove args that have a value of None.
+ keys = kwargs.keys()
+ for name in keys:
+ if kwargs[name] is None:
+ del kwargs[name]
+
+ for name in parameters.required_params:
+ if name not in kwargs:
+ raise TypeError('Missing required parameter "%s"' % name)
+
+ for name, regex in parameters.pattern_params.iteritems():
+ if name in kwargs:
+ if isinstance(kwargs[name], basestring):
+ pvalues = [kwargs[name]]
+ else:
+ pvalues = kwargs[name]
+ for pvalue in pvalues:
+ if re.match(regex, pvalue) is None:
+ raise TypeError(
+ 'Parameter "%s" value "%s" does not match the pattern "%s"' %
+ (name, pvalue, regex))
+
+ for name, enums in parameters.enum_params.iteritems():
+ if name in kwargs:
+ # We need to handle the case of a repeated enum
+ # name differently, since we want to handle both
+ # arg='value' and arg=['value1', 'value2']
+ if (name in parameters.repeated_params and
+ not isinstance(kwargs[name], basestring)):
+ values = kwargs[name]
+ else:
+ values = [kwargs[name]]
+ for value in values:
+ if value not in enums:
+ raise TypeError(
+ 'Parameter "%s" value "%s" is not an allowed value in "%s"' %
+ (name, value, str(enums)))
+
+ actual_query_params = {}
+ actual_path_params = {}
+ for key, value in kwargs.iteritems():
+ to_type = parameters.param_types.get(key, 'string')
+ # For repeated parameters we cast each member of the list.
+ if key in parameters.repeated_params and type(value) == type([]):
+ cast_value = [_cast(x, to_type) for x in value]
+ else:
+ cast_value = _cast(value, to_type)
+ if key in parameters.query_params:
+ actual_query_params[parameters.argmap[key]] = cast_value
+ if key in parameters.path_params:
+ actual_path_params[parameters.argmap[key]] = cast_value
+ body_value = kwargs.get('body', None)
+ media_filename = kwargs.get('media_body', None)
+
+ if self._developerKey:
+ actual_query_params['key'] = self._developerKey
+
+ model = self._model
+ if methodName.endswith('_media'):
+ model = MediaModel()
+ elif 'response' not in methodDesc:
+ model = RawModel()
+
+ headers = {}
+ headers, params, query, body = model.request(headers,
+ actual_path_params, actual_query_params, body_value)
+
+ expanded_url = uritemplate.expand(pathUrl, params)
+ url = urlparse.urljoin(self._baseUrl, expanded_url + query)
+
+ resumable = None
+ multipart_boundary = ''
+
+ if media_filename:
+ # Ensure we end up with a valid MediaUpload object.
+ if isinstance(media_filename, basestring):
+ (media_mime_type, encoding) = mimetypes.guess_type(media_filename)
+ if media_mime_type is None:
+ raise UnknownFileType(media_filename)
+ if not mimeparse.best_match([media_mime_type], ','.join(accept)):
+ raise UnacceptableMimeTypeError(media_mime_type)
+ media_upload = MediaFileUpload(media_filename,
+ mimetype=media_mime_type)
+ elif isinstance(media_filename, MediaUpload):
+ media_upload = media_filename
+ else:
+ raise TypeError('media_filename must be str or MediaUpload.')
+
+ # Check the maxSize
+ if maxSize > 0 and media_upload.size() > maxSize:
+ raise MediaUploadSizeError("Media larger than: %s" % maxSize)
+
+ # Use the media path uri for media uploads
+ expanded_url = uritemplate.expand(mediaPathUrl, params)
+ url = urlparse.urljoin(self._baseUrl, expanded_url + query)
+ if media_upload.resumable():
+ url = _add_query_parameter(url, 'uploadType', 'resumable')
+
+ if media_upload.resumable():
+ # This is all we need to do for resumable, if the body exists it gets
+ # sent in the first request, otherwise an empty body is sent.
+ resumable = media_upload
+ else:
+ # A non-resumable upload
+ if body is None:
+ # This is a simple media upload
+ headers['content-type'] = media_upload.mimetype()
+ body = media_upload.getbytes(0, media_upload.size())
+ url = _add_query_parameter(url, 'uploadType', 'media')
+ else:
+ # This is a multipart/related upload.
+ msgRoot = MIMEMultipart('related')
+ # msgRoot should not write out it's own headers
+ setattr(msgRoot, '_write_headers', lambda self: None)
+
+ # attach the body as one part
+ msg = MIMENonMultipart(*headers['content-type'].split('/'))
+ msg.set_payload(body)
+ msgRoot.attach(msg)
+
+ # attach the media as the second part
+ msg = MIMENonMultipart(*media_upload.mimetype().split('/'))
+ msg['Content-Transfer-Encoding'] = 'binary'
+
+ payload = media_upload.getbytes(0, media_upload.size())
+ msg.set_payload(payload)
+ msgRoot.attach(msg)
+ body = msgRoot.as_string()
+
+ multipart_boundary = msgRoot.get_boundary()
+ headers['content-type'] = ('multipart/related; '
+ 'boundary="%s"') % multipart_boundary
+ url = _add_query_parameter(url, 'uploadType', 'multipart')
+
+ logger.info('URL being requested: %s' % url)
+ return self._requestBuilder(self._http,
+ model.response,
+ url,
+ method=httpMethod,
+ body=body,
+ headers=headers,
+ methodId=methodId,
+ resumable=resumable)
+
+ docs = [methodDesc.get('description', DEFAULT_METHOD_DOC), '\n\n']
+ if len(parameters.argmap) > 0:
+ docs.append('Args:\n')
+
+ # Skip undocumented params and params common to all methods.
+ skip_parameters = rootDesc.get('parameters', {}).keys()
+ skip_parameters.extend(STACK_QUERY_PARAMETERS)
+
+ all_args = parameters.argmap.keys()
+ args_ordered = [key2param(s) for s in methodDesc.get('parameterOrder', [])]
+
+ # Move body to the front of the line.
+ if 'body' in all_args:
+ args_ordered.append('body')
+
+ for name in all_args:
+ if name not in args_ordered:
+ args_ordered.append(name)
+
+ for arg in args_ordered:
+ if arg in skip_parameters:
+ continue
+
+ repeated = ''
+ if arg in parameters.repeated_params:
+ repeated = ' (repeated)'
+ required = ''
+ if arg in parameters.required_params:
+ required = ' (required)'
+ paramdesc = methodDesc['parameters'][parameters.argmap[arg]]
+ paramdoc = paramdesc.get('description', 'A parameter')
+ if '$ref' in paramdesc:
+ docs.append(
+ (' %s: object, %s%s%s\n The object takes the'
+ ' form of:\n\n%s\n\n') % (arg, paramdoc, required, repeated,
+ schema.prettyPrintByName(paramdesc['$ref'])))
+ else:
+ paramtype = paramdesc.get('type', 'string')
+ docs.append(' %s: %s, %s%s%s\n' % (arg, paramtype, paramdoc, required,
+ repeated))
+ enum = paramdesc.get('enum', [])
+ enumDesc = paramdesc.get('enumDescriptions', [])
+ if enum and enumDesc:
+ docs.append(' Allowed values\n')
+ for (name, desc) in zip(enum, enumDesc):
+ docs.append(' %s - %s\n' % (name, desc))
+ if 'response' in methodDesc:
+ if methodName.endswith('_media'):
+ docs.append('\nReturns:\n The media object as a string.\n\n ')
+ else:
+ docs.append('\nReturns:\n An object of the form:\n\n ')
+ docs.append(schema.prettyPrintSchema(methodDesc['response']))
+
+ setattr(method, '__doc__', ''.join(docs))
+ return (methodName, method)
+
+
+def createNextMethod(methodName):
+ """Creates any _next methods for attaching to a Resource.
+
+ The _next methods allow for easy iteration through list() responses.
+
+ Args:
+ methodName: string, name of the method to use.
+ """
+ methodName = fix_method_name(methodName)
+
+ def methodNext(self, previous_request, previous_response):
+ """Retrieves the next page of results.
+
+Args:
+ previous_request: The request for the previous page. (required)
+ previous_response: The response from the request for the previous page. (required)
+
+Returns:
+ A request object that you can call 'execute()' on to request the next
+ page. Returns None if there are no more items in the collection.
+ """
+ # Retrieve nextPageToken from previous_response
+ # Use as pageToken in previous_request to create new request.
+
+ if 'nextPageToken' not in previous_response:
+ return None
+
+ request = copy.copy(previous_request)
+
+ pageToken = previous_response['nextPageToken']
+ parsed = list(urlparse.urlparse(request.uri))
+ q = parse_qsl(parsed[4])
+
+ # Find and remove old 'pageToken' value from URI
+ newq = [(key, value) for (key, value) in q if key != 'pageToken']
+ newq.append(('pageToken', pageToken))
+ parsed[4] = urllib.urlencode(newq)
+ uri = urlparse.urlunparse(parsed)
+
+ request.uri = uri
+
+ logger.info('URL being requested: %s' % uri)
+
+ return request
+
+ return (methodName, methodNext)
+
+
+class Resource(object):
+ """A class for interacting with a resource."""
+
+ def __init__(self, http, baseUrl, model, requestBuilder, developerKey,
+ resourceDesc, rootDesc, schema):
+ """Build a Resource from the API description.
+
+ Args:
+ http: httplib2.Http, Object to make http requests with.
+ baseUrl: string, base URL for the API. All requests are relative to this
+ URI.
+ model: apiclient.Model, converts to and from the wire format.
+ requestBuilder: class or callable that instantiates an
+ apiclient.HttpRequest object.
+ developerKey: string, key obtained from
+ https://code.google.com/apis/console
+ resourceDesc: object, section of deserialized discovery document that
+ describes a resource. Note that the top level discovery document
+ is considered a resource.
+ rootDesc: object, the entire deserialized discovery document.
+ schema: object, mapping of schema names to schema descriptions.
+ """
+ self._dynamic_attrs = []
+
+ self._http = http
+ self._baseUrl = baseUrl
+ self._model = model
+ self._developerKey = developerKey
+ self._requestBuilder = requestBuilder
+ self._resourceDesc = resourceDesc
+ self._rootDesc = rootDesc
+ self._schema = schema
+
+ self._set_service_methods()
+
+ def _set_dynamic_attr(self, attr_name, value):
+ """Sets an instance attribute and tracks it in a list of dynamic attributes.
+
+ Args:
+ attr_name: string; The name of the attribute to be set
+ value: The value being set on the object and tracked in the dynamic cache.
+ """
+ self._dynamic_attrs.append(attr_name)
+ self.__dict__[attr_name] = value
+
+ def __getstate__(self):
+ """Trim the state down to something that can be pickled.
+
+ Uses the fact that the instance variable _dynamic_attrs holds attrs that
+ will be wiped and restored on pickle serialization.
+ """
+ state_dict = copy.copy(self.__dict__)
+ for dynamic_attr in self._dynamic_attrs:
+ del state_dict[dynamic_attr]
+ del state_dict['_dynamic_attrs']
+ return state_dict
+
+ def __setstate__(self, state):
+ """Reconstitute the state of the object from being pickled.
+
+ Uses the fact that the instance variable _dynamic_attrs holds attrs that
+ will be wiped and restored on pickle serialization.
+ """
+ self.__dict__.update(state)
+ self._dynamic_attrs = []
+ self._set_service_methods()
+
+ def _set_service_methods(self):
+ self._add_basic_methods(self._resourceDesc, self._rootDesc, self._schema)
+ self._add_nested_resources(self._resourceDesc, self._rootDesc, self._schema)
+ self._add_next_methods(self._resourceDesc, self._schema)
+
+ def _add_basic_methods(self, resourceDesc, rootDesc, schema):
+ # Add basic methods to Resource
+ if 'methods' in resourceDesc:
+ for methodName, methodDesc in resourceDesc['methods'].iteritems():
+ fixedMethodName, method = createMethod(
+ methodName, methodDesc, rootDesc, schema)
+ self._set_dynamic_attr(fixedMethodName,
+ method.__get__(self, self.__class__))
+ # Add in _media methods. The functionality of the attached method will
+ # change when it sees that the method name ends in _media.
+ if methodDesc.get('supportsMediaDownload', False):
+ fixedMethodName, method = createMethod(
+ methodName + '_media', methodDesc, rootDesc, schema)
+ self._set_dynamic_attr(fixedMethodName,
+ method.__get__(self, self.__class__))
+
+ def _add_nested_resources(self, resourceDesc, rootDesc, schema):
+ # Add in nested resources
+ if 'resources' in resourceDesc:
+
+ def createResourceMethod(methodName, methodDesc):
+ """Create a method on the Resource to access a nested Resource.
+
+ Args:
+ methodName: string, name of the method to use.
+ methodDesc: object, fragment of deserialized discovery document that
+ describes the method.
+ """
+ methodName = fix_method_name(methodName)
+
+ def methodResource(self):
+ return Resource(http=self._http, baseUrl=self._baseUrl,
+ model=self._model, developerKey=self._developerKey,
+ requestBuilder=self._requestBuilder,
+ resourceDesc=methodDesc, rootDesc=rootDesc,
+ schema=schema)
+
+ setattr(methodResource, '__doc__', 'A collection resource.')
+ setattr(methodResource, '__is_resource__', True)
+
+ return (methodName, methodResource)
+
+ for methodName, methodDesc in resourceDesc['resources'].iteritems():
+ fixedMethodName, method = createResourceMethod(methodName, methodDesc)
+ self._set_dynamic_attr(fixedMethodName,
+ method.__get__(self, self.__class__))
+
+ def _add_next_methods(self, resourceDesc, schema):
+ # Add _next() methods
+ # Look for response bodies in schema that contain nextPageToken, and methods
+ # that take a pageToken parameter.
+ if 'methods' in resourceDesc:
+ for methodName, methodDesc in resourceDesc['methods'].iteritems():
+ if 'response' in methodDesc:
+ responseSchema = methodDesc['response']
+ if '$ref' in responseSchema:
+ responseSchema = schema.get(responseSchema['$ref'])
+ hasNextPageToken = 'nextPageToken' in responseSchema.get('properties',
+ {})
+ hasPageToken = 'pageToken' in methodDesc.get('parameters', {})
+ if hasNextPageToken and hasPageToken:
+ fixedMethodName, method = createNextMethod(methodName + '_next')
+ self._set_dynamic_attr(fixedMethodName,
+ method.__get__(self, self.__class__))
Property changes on: reviewbot/third_party/google-api-python-client/apiclient/discovery.py
___________________________________________________________________
Added: svn:eol-style
+ LF

Powered by Google App Engine
This is Rietveld 408576698