97 lines
3.0 KiB
Python
97 lines
3.0 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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openslides.participant.api
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~~~~~~~~~~~~~~~~~~~~~~~~~~
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Useful functions for the participant app.
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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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# for python 2.5 support
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from __future__ import with_statement
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from random import choice
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import string
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import csv
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from django.contrib.auth.models import User
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from django.db import transaction
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from openslides.utils import csv_ext
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from openslides.participant.models import User
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def gen_password():
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"""
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generates a random passwort.
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"""
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chars = string.letters + string.digits
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newpassword = ''
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for i in range(8):
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newpassword += choice(chars)
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return newpassword
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def gen_username(first_name, last_name):
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"""
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generates the username for new users.
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"""
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testname = "%s %s" % (first_name.strip(), last_name.strip())
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try:
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User.objects.get(username=testname)
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except User.DoesNotExist:
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return testname
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i = 0
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while True:
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i += 1
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testname = "%s%s%s" % (first_name, last_name, i)
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try:
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User.objects.get(username=testname)
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except User.DoesNotExist:
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return testname
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def import_users(csv_file):
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error_messages = []
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count_success = 0
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try:
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# check for valid encoding (will raise UnicodeDecodeError if not)
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csv_file.read().decode('utf-8')
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csv_file.seek(0)
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with transaction.commit_on_success():
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dialect = csv.Sniffer().sniff(csv_file.readline())
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dialect = csv_ext.patchup(dialect)
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csv_file.seek(0)
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for (line_no, line) in enumerate(csv.reader(csv_file,
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dialect=dialect)):
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if line_no:
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try:
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(first_name, last_name, gender, category, type, committee, comment) = line[:7]
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except ValueError:
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error_messages.append(_('Ignoring malformed line %d in import file.') % line_no + 1)
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continue
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user = User()
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user.last_name = last_name
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user.first_name = first_name
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user.username = gen_username(first_name, last_name)
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user.gender = gender
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user.category = category
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user.type = type
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user.committee = committee
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user.comment = comment
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user.firstpassword = gen_password()
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user.save()
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user.reset_password()
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count_success += 1
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except csv.Error:
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error_messages.appen(_('Import aborted because of severe errors in the input file.'))
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except UnicodeDecodeError:
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error_messages.appen(_('Import file has wrong character encoding, only UTF-8 is supported!'))
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return (count_success, error_messages)
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