55 lines
1.4 KiB
Python
55 lines
1.4 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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openslides.utils.user.api
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~~~~~~~~~~~~~~~~~~~~~~~~~
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Usefull functions for the OpenSlides user api.
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:copyright: 2011, 2012 by OpenSlides team, see AUTHORS.
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:license: GNU GPL, see LICENSE for more details.
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"""
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from openslides.utils.user.signals import receiv_users
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class Users(object):
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"""
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A Storage for a multiplicity of different User-Objects.
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"""
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def __init__(self, user_prefix=None, id=None):
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self.user_prefix = user_prefix
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self.id = id
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def __iter__(self):
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for receiver, users in receiv_users.send(
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sender='users', user_prefix=self.user_prefix, id=self.id):
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for user in users:
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yield user
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def __getitem__(self, key):
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user_list = list(self)
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return user_list[key]
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def generate_uid(prefix, id):
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if ':' in prefix:
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raise ValueError("':' is not allowed in a the 'user_prefix'")
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return "%s:%d" % (prefix, id)
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def split_uid(uid):
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data = uid.split(':', 1)
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if len(data) == 2 and data[0] and data[1]:
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return data
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raise TypeError("Invalid uid: '%s'" % uid)
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def get_user(uid):
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try:
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user_prefix, id = split_uid(uid)
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except TypeError:
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from openslides.utils.user import EmtyUser
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return EmtyUser()
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return Users(user_prefix=user_prefix, id=id)[0]
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