54 lines
1.9 KiB
Python
54 lines
1.9 KiB
Python
import csv
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import re
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from django.db import transaction
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from django.utils.translation import ugettext as _
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from openslides.utils import csv_ext
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from .models import Item
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def import_agenda_items(csvfile):
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"""
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Performs the import of agenda items form a csv file.
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"""
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# Check encoding
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try:
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csvfile.read().decode('utf8')
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except UnicodeDecodeError:
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return_value = '', '', _('Import file has wrong character encoding, only UTF-8 is supported!')
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else:
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csvfile.seek(0)
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# Check dialect
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dialect = csv.Sniffer().sniff(csvfile.readline().decode('utf8'))
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dialect = csv_ext.patchup(dialect)
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csvfile.seek(0)
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# Parse CSV file
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with transaction.commit_on_success():
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success_lines = []
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error_lines = []
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for (line_no, line) in enumerate(csv.reader(
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(line.decode('utf8') for line in csvfile.readlines()), dialect=dialect)):
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if line_no == 0:
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# Do not read the header line
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continue
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# Check format
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try:
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title, text, duration = line[:3]
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except ValueError:
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error_lines.append(line_no + 1)
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continue
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if duration and re.match('^(?:[0-9]{1,2}:[0-5][0-9]|[0-9]+)$', duration) is None:
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error_lines.append(line_no + 1)
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continue
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Item.objects.create(title=title, text=text, duration=duration)
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success_lines.append(line_no + 1)
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success = _('%d items successfully imported.') % len(success_lines)
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if error_lines:
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error = _('Error in the following lines: %s.') % ', '.join(str(number) for number in error_lines)
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else:
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error = ''
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return_value = success, '', error
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return return_value
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