Updated DB_Helper by adding firebase methods.
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venv/Lib/site-packages/gcloud/client.py
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venv/Lib/site-packages/gcloud/client.py
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# Copyright 2015 Google Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Base classes for client used to interact with Google Cloud APIs."""
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from oauth2client.service_account import ServiceAccountCredentials
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import six
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from gcloud._helpers import _determine_default_project
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from gcloud.connection import Connection
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from gcloud.credentials import get_credentials
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class _ClientFactoryMixin(object):
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"""Mixin to allow factories that create credentials.
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.. note::
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This class is virtual.
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"""
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@classmethod
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def from_service_account_json(cls, json_credentials_path, *args, **kwargs):
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"""Factory to retrieve JSON credentials while creating client.
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:type json_credentials_path: string
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:param json_credentials_path: The path to a private key file (this file
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was given to you when you created the
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service account). This file must contain
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a JSON object with a private key and
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other credentials information (downloaded
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from the Google APIs console).
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:type args: tuple
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:param args: Remaining positional arguments to pass to constructor.
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:type kwargs: dict
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:param kwargs: Remaining keyword arguments to pass to constructor.
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:rtype: :class:`gcloud.pubsub.client.Client`
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:returns: The client created with the retrieved JSON credentials.
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:raises: :class:`TypeError` if there is a conflict with the kwargs
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and the credentials created by the factory.
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"""
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if 'credentials' in kwargs:
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raise TypeError('credentials must not be in keyword arguments')
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credentials = ServiceAccountCredentials.from_json_keyfile_name(
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json_credentials_path)
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kwargs['credentials'] = credentials
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return cls(*args, **kwargs)
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@classmethod
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def from_service_account_p12(cls, client_email, private_key_path,
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*args, **kwargs):
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"""Factory to retrieve P12 credentials while creating client.
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.. note::
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Unless you have an explicit reason to use a PKCS12 key for your
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service account, we recommend using a JSON key.
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:type client_email: string
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:param client_email: The e-mail attached to the service account.
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:type private_key_path: string
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:param private_key_path: The path to a private key file (this file was
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given to you when you created the service
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account). This file must be in P12 format.
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:type args: tuple
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:param args: Remaining positional arguments to pass to constructor.
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:type kwargs: dict
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:param kwargs: Remaining keyword arguments to pass to constructor.
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:rtype: :class:`gcloud.client.Client`
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:returns: The client created with the retrieved P12 credentials.
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:raises: :class:`TypeError` if there is a conflict with the kwargs
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and the credentials created by the factory.
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"""
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if 'credentials' in kwargs:
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raise TypeError('credentials must not be in keyword arguments')
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credentials = ServiceAccountCredentials.from_p12_keyfile(
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client_email, private_key_path)
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kwargs['credentials'] = credentials
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return cls(*args, **kwargs)
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class Client(_ClientFactoryMixin):
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"""Client to bundle configuration needed for API requests.
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Assumes that the associated ``_connection_class`` only accepts
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``http`` and ``credentials`` in its constructor.
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:type credentials: :class:`oauth2client.client.OAuth2Credentials` or
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:class:`NoneType`
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:param credentials: The OAuth2 Credentials to use for the connection
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owned by this client. If not passed (and if no ``http``
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object is passed), falls back to the default inferred
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from the environment.
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:type http: :class:`httplib2.Http` or class that defines ``request()``.
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:param http: An optional HTTP object to make requests. If not passed, an
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``http`` object is created that is bound to the
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``credentials`` for the current object.
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"""
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_connection_class = Connection
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def __init__(self, credentials=None, http=None):
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if credentials is None and http is None:
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credentials = get_credentials()
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self.connection = self._connection_class(
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credentials=credentials, http=http)
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class _ClientProjectMixin(object):
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"""Mixin to allow setting the project on the client.
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:type project: string
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:param project: the project which the client acts on behalf of. If not
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passed falls back to the default inferred from the
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environment.
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:raises: :class:`EnvironmentError` if the project is neither passed in nor
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set in the environment. :class:`ValueError` if the project value
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is invalid.
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"""
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def __init__(self, project=None):
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project = self._determine_default(project)
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if project is None:
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raise EnvironmentError('Project was not passed and could not be '
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'determined from the environment.')
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if isinstance(project, six.binary_type):
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project = project.decode('utf-8')
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if not isinstance(project, six.string_types):
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raise ValueError('Project must be a string.')
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self.project = project
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@staticmethod
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def _determine_default(project):
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"""Helper: use default project detection."""
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return _determine_default_project(project)
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class JSONClient(Client, _ClientProjectMixin):
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"""Client to for Google JSON-based API.
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Assumes such APIs use the ``project`` and the client needs to store this
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value.
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:type project: string
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:param project: the project which the client acts on behalf of. If not
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passed falls back to the default inferred from the
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environment.
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:type credentials: :class:`oauth2client.client.OAuth2Credentials` or
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:class:`NoneType`
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:param credentials: The OAuth2 Credentials to use for the connection
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owned by this client. If not passed (and if no ``http``
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object is passed), falls back to the default inferred
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from the environment.
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:type http: :class:`httplib2.Http` or class that defines ``request()``.
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:param http: An optional HTTP object to make requests. If not passed, an
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``http`` object is created that is bound to the
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``credentials`` for the current object.
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:raises: :class:`ValueError` if the project is neither passed in nor
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set in the environment.
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"""
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def __init__(self, project=None, credentials=None, http=None):
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_ClientProjectMixin.__init__(self, project=project)
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Client.__init__(self, credentials=credentials, http=http)
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