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Client for discovery based APIs. A client library for Google's discovery based APIs.
Author: jcgregorio@google.com (Joe Gregorio)
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ResourceMethodParameters Represents the parameters associated with a method. |
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Resource A class for interacting with a resource. |
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logger = logging.getLogger(__name__)
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URITEMPLATE = re.compile('{[^}]*}')
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VARNAME = re.compile('[a-zA-Z0-9_-]+')
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DISCOVERY_URI = 'https://www.googleapis.com/discovery/v1/apis/
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V1_DISCOVERY_URI = 'https://www.googleapis.com/discovery/v1/ap
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V2_DISCOVERY_URI = 'https://{api}.googleapis.com/$discovery/re
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DEFAULT_METHOD_DOC = 'A description of how to use this function'
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HTTP_PAYLOAD_METHODS = frozenset(['PUT', 'POST', 'PATCH'])
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_MEDIA_SIZE_BIT_SHIFTS = {'KB': 10, 'MB': 20, 'GB': 30, 'TB': 40}
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BODY_PARAMETER_DEFAULT_VALUE = {'description': 'The request bo
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MEDIA_BODY_PARAMETER_DEFAULT_VALUE = {'description':('The file
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MEDIA_MIME_TYPE_PARAMETER_DEFAULT_VALUE = {'description':('The
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_PAGE_TOKEN_NAMES = 'pageToken', 'nextPageToken'
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STACK_QUERY_PARAMETERS = frozenset(['trace', 'pp', 'userip', '
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STACK_QUERY_PARAMETER_DEFAULT_VALUE = {'type': 'string', 'loca
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RESERVED_WORDS = frozenset(['body'])
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Fix method names to avoid '$' characters and reserved word conflicts. Args: name: string, method name. Returns: The name with '_' appended if the name is a reserved word and '$' replaced with '_'. |
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. |
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: googleapiclient.Model, converts to and from the wire format.
requestBuilder: googleapiclient.http.HttpRequest, encapsulator for an HTTP
request.
credentials: oauth2client.Credentials or
google.auth.credentials.Credentials, credentials to be used for
authentication.
cache_discovery: Boolean, whether or not to cache the discovery doc.
cache: googleapiclient.discovery_cache.base.CacheBase, an optional
cache object for the discovery documents.
Returns:
A Resource object with methods for interacting with the service.
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Retrieves the discovery_doc from cache or the internet.
Args:
url: string, the URL of the discovery document.
http: httplib2.Http, An instance of httplib2.Http or something that acts
like it through which HTTP requests will be made.
cache_discovery: Boolean, whether or not to cache the discovery doc.
cache: googleapiclient.discovery_cache.base.Cache, an optional cache
object for the discovery documents.
Returns:
A unicode string representation of the discovery document.
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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.
credentials: oauth2client.Credentials or
google.auth.credentials.Credentials, credentials to be used for
authentication.
Returns:
A Resource object with methods for interacting with the service.
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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. |
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. |
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.
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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.
schema: Object, mapping of schema names to schema descriptions.
Returns:
The updated Dictionary stored in the 'parameters' key of the method
description dictionary.
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Adds 'media_body' and 'media_mime_type' parameters 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.
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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.
schema: Object, mapping of schema names to schema descriptions.
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.
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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.
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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.
pageTokenName: string, name of request page token field.
nextPageTokenName: string, name of response page token field.
isPageTokenParameter: Boolean, True if request page token is a query
parameter, False if request page token is a field of the request body.
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Search field names for one like a page token. Args: fields: container of string, names of fields. Returns: First name that is either 'pageToken' or 'nextPageToken' if one exists, otherwise None. |
Get properties of a field in a method description.
Args:
methodDesc: object, fragment of deserialized discovery document that
describes the method.
schema: object, mapping of schema names to schema descriptions.
name: string, name of top-level field in method description.
Returns:
Object representing fragment of deserialized discovery document
corresponding to 'properties' field of object corresponding to named field
in method description, if it exists, otherwise empty dict.
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DISCOVERY_URI
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V1_DISCOVERY_URI
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V2_DISCOVERY_URI
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BODY_PARAMETER_DEFAULT_VALUE
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MEDIA_BODY_PARAMETER_DEFAULT_VALUE
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MEDIA_MIME_TYPE_PARAMETER_DEFAULT_VALUE
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STACK_QUERY_PARAMETERS
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STACK_QUERY_PARAMETER_DEFAULT_VALUE
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