def _determine_default_project(project=None):
"""Determine default project explicitly or implicitly as fall-back.
In implicit case, supports four environments. In order of precedence, the
implicit environments are:
* DATASTORE_DATASET environment variable (for ``gcd`` / emulator testing)
* GOOGLE_CLOUD_PROJECT environment variable
* Google App Engine application ID
* Google Compute Engine project ID (from metadata server)
:type project: str
:param project: Optional. The project to use as default.
:rtype: str or ``NoneType``
:returns: Default project if it can be determined.
"""
if project is None:
project = _get_gcd_project()
if project is None:
project = _base_default_project(project=project)
return project
def _determine_default_project(project=None):
"""Determine default project explicitly or implicitly as fall-back.
In implicit case, supports four environments. In order of precedence, the
implicit environments are:
* DATASTORE_DATASET environment variable (for ``gcd`` / emulator testing)
* GOOGLE_CLOUD_PROJECT environment variable
* Google App Engine application ID
* Google Compute Engine project ID (from metadata server)
:type project: string
:param project: Optional. The project to use as default.
:rtype: string or ``NoneType``
:returns: Default project if it can be determined.
"""
if project is None:
project = _get_gcd_project()
if project is None:
project = _base_default_project(project=project)
return project
