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from typing import Callable, Type, Union
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from gcsa._resource import Resource
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from gcsa._services.authentication import AuthenticatedService
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class BaseService(AuthenticatedService):
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def __init__(self, default_calendar, *args, **kwargs):
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"""
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:param default_calendar:
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Users email address or name/id of the calendar. Default: primary calendar of the user
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If user's email or "primary" is specified, then primary calendar of the user is used.
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You don't need to specify this parameter in this case as it is a default behaviour.
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To use a different calendar you need to specify its id.
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Go to calendar's `settings and sharing` -> `Integrate calendar` -> `Calendar ID`.
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"""
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super().__init__(*args, **kwargs)
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self.default_calendar = default_calendar
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@staticmethod
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def _list_paginated(
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request_method: Callable,
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serializer_cls: Type = None,
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**kwargs
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):
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page_token = None
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while True:
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response_json = request_method(
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**kwargs,
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pageToken=page_token
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).execute()
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for item_json in response_json['items']:
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if serializer_cls:
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yield serializer_cls(item_json).get_object()
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else:
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yield item_json
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page_token = response_json.get('nextPageToken')
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if not page_token:
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break
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@staticmethod
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def _get_resource_id(resource: Union[Resource, str]):
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"""If `resource` is `Resource` returns its id.
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If `resource` is string, returns `resource` itself.
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:raises:
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ValueError: if `resource` is `Resource` object that doesn't have id
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TypeError: if `resource` is neither `Resource` nor `str`
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"""
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if isinstance(resource, Resource):
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if resource.id is None:
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raise ValueError("Resource has to have id to be updated, moved or deleted.")
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return resource.id
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elif isinstance(resource, str):
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return resource
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else:
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raise TypeError('"resource" object must be Resource or str, not {!r}'.format(
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resource.__class__.__name__
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))
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