Merge pull request #1226 from normanjaeckel/AgendaImport

Added CSV import, fixed #1186.

CHANGELOG

@@ -8,6 +8,8 @@ Version 1.6 (unreleased)
 ========================
 [https://github.com/OpenSlides/OpenSlides/issues?milestone=14]
 
+Agenda:
+- Added CSV import.
 Assignment:
 - Coupled assignment candidates with list of speakers.
 Participants:

extras/csv-examples/agenda-demo_de.csv

@@ -0,0 +1,5 @@
+Titel,Text,Dauer
+Begrüßung,Begrüßung durch den Vorstand,10
+Bericht des Vorstands,Es spricht Herr Müller,30
+Entlastung des Vorstandes,,10
+Sonstiges,,5

extras/csv-examples/agenda-demo_en.csv

@@ -0,0 +1,5 @@
+Title,Text,Duration
+Welcome,Mr. Miller,10
+Presentation of employee of the year award,Ms. Schmidt,20
+Exchange of small gifts,,10
+Dinner and dancing,,120

openslides/agenda/csv_import.py

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

openslides/agenda/templates/agenda/item_form_csv_import.html

@@ -0,0 +1,47 @@
+{% extends 'base.html' %}
+
+{% load i18n %}
+
+{% block title %}{% trans 'Import agenda items' %} – {{ block.super }}{% endblock %}
+
+{% block content %}
+    <h1>
+        {% trans 'Import agenda items' %}
+        <small class="pull-right">
+        <a href="{% url 'item_overview' %}" class="btn btn-mini"><i class="icon-chevron-left"></i> {% trans 'Back to overview' %}</a>
+        </small>
+    </h1>
+
+    <p>{% trans 'Select a CSV file to import agenda items' %}.</p>
+
+    <p>{% trans 'Please note' %}:</p>
+    <ul>
+        <li>
+            {% trans 'Required comma separated values' %}:<br />
+            <code>{% trans 'title, text, duration' %}</code>
+        </li>
+        <li>
+            {% trans 'Text and duration are optional and may be empty' %}.
+        </li>
+        <li>{% trans 'The first line (header) is ignored' %}.</li>
+        <li>
+            {% trans 'Required CSV file encoding is UTF-8' %}.
+        </li>
+        <li>
+            <a href="https://github.com/OpenSlides/OpenSlides/wiki/CSV-Import">{% trans 'Use the CSV example file from OpenSlides Wiki.' %}</a>
+        </li>
+    </ul>
+
+    <form enctype="multipart/form-data" action="" method="post">{% csrf_token %}
+        {% include 'form.html' %}
+        <p>
+        <button class="btn btn-primary" type="submit">
+            <span class="icon import">{% trans 'Import' %}</span>
+        </button>
+        <a href="{% url 'item_overview' %}" class="btn">
+            {% trans 'Cancel' %}
+        </a>
+        </p>
+        <small>* {% trans "required" %}</small>
+    </form>
+{% endblock %}

openslides/agenda/templates/agenda/overview.html

@@ -36,6 +36,7 @@
             <small class="pull-right">
             {% if perms.agenda.can_manage_agenda %}
                 <a href="{% url 'item_new' %}" class="btn btn-mini btn-primary" rel="tooltip" data-original-title="{% trans 'New item' %}"><i class="icon-plus icon-white"></i> {% trans "New" %}</a>
+                <a href="{% url 'item_csv_import' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Import agenda items' %}"><i class="icon-import"></i> {% trans "Import" %}</a>
             {% endif %}
             <a href="{% url 'print_agenda' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Print agenda as PDF' %}" target="_blank"><i class="icon-print"></i> PDF</a>
             </small>

openslides/agenda/urls.py

@@ -87,5 +87,8 @@ urlpatterns = patterns(
 
     url(r'^list_of_speakers/end_speach/$',
         views.CurrentListOfSpeakersView.as_view(end_speach=True),
-        name='agenda_end_speach_on_current_list_of_speakers')
-)
+        name='agenda_end_speach_on_current_list_of_speakers'),
+
+    url(r'^csv_import/$',
+        views.ItemCSVImportView.as_view(),
+        name='item_csv_import'))

openslides/agenda/views.py

@@ -16,10 +16,18 @@ from openslides.projector.api import get_active_slide, update_projector
 from openslides.utils.exceptions import OpenSlidesError
 from openslides.utils.pdf import stylesheet
 from openslides.utils.utils import html_strong
-from openslides.utils.views import (CreateView, DeleteView, FormView, PDFView,
-                                    RedirectView, SingleObjectMixin,
-                                    TemplateView, UpdateView)
+from openslides.utils.views import (
+    CreateView,
+    CSVImportView,
+    DeleteView,
+    FormView,
+    PDFView,
+    RedirectView,
+    SingleObjectMixin,
+    TemplateView,
+    UpdateView)
 
+from .csv_import import import_agenda_items
 from .forms import AppendSpeakerForm, ItemForm, ItemOrderForm, RelatedItemForm
 from .models import Item, Speaker
 
@@ -620,3 +628,13 @@ class CurrentListOfSpeakersView(RedirectView):
                 return reverse('core_dashboard')
             else:
                 return reverse('item_view', args=[item.pk])
+
+
+class ItemCSVImportView(CSVImportView):
+    """
+    Imports agenda items from an uploaded csv file.
+    """
+    import_function = staticmethod(import_agenda_items)
+    permission_required = 'agenda.can_manage_agenda'
+    success_url_name = 'item_overview'
+    template_name = 'agenda/item_form_csv_import.html'

openslides/motion/csv_import.py

@@ -17,14 +17,14 @@ from openslides.utils.utils import html_strong
 from .models import Category, Motion
 
 
-def import_motions(csv_file, default_submitter, override=False, importing_person=None):
+def import_motions(csvfile, default_submitter, override, importing_person=None):
     """
     Imports motions from a csv file.
 
     The file must be encoded in utf8. The first line (header) is ignored.
     If no or multiple submitters found, the default submitter is used. If
     a motion with a given identifier already exists, the motion is overridden,
-    when the flag 'override' is true. If no or multiple categories found,
+    when the flag 'override' is True. If no or multiple categories found,
     the category is set to None.
     """
     count_success = 0
@@ -32,18 +32,18 @@ def import_motions(csv_file, default_submitter, override=False, importing_person
 
     # Check encoding
     try:
-        csv_file.read().decode('utf8')
+        csvfile.read().decode('utf8')
     except UnicodeDecodeError:
-        return (0, 0, [_('Import file has wrong character encoding, only UTF-8 is supported!')], [])
-    csv_file.seek(0)
+        return '', '', _('Import file has wrong character encoding, only UTF-8 is supported!')
+    csvfile.seek(0)
 
     with transaction.commit_on_success():
-        dialect = csv.Sniffer().sniff(csv_file.readline())
+        dialect = csv.Sniffer().sniff(csvfile.readline())
         dialect = csv_ext.patchup(dialect)
-        csv_file.seek(0)
+        csvfile.seek(0)
         all_error_messages = []
         all_warning_messages = []
-        for (line_no, line) in enumerate(csv.reader(csv_file, dialect=dialect)):
+        for (line_no, line) in enumerate(csv.reader(csvfile, dialect=dialect)):
             warning = []
             if line_no < 1:
                 # Do not read the header line
@@ -115,7 +115,7 @@ def import_motions(csv_file, default_submitter, override=False, importing_person
             count_success += 1
 
         # Build final error message with all error items (one bullet point for each csv line)
-        full_error_message = None
+        full_error_message = ''
         if all_error_messages:
             full_error_message = "%s <ul>" % html_strong(_("Errors"))
             for error in all_error_messages:
@@ -123,11 +123,20 @@ def import_motions(csv_file, default_submitter, override=False, importing_person
             full_error_message += "</ul>"
 
         # Build final warning message with all warning items (one bullet point for each csv line)
-        full_warning_message = None
+        full_warning_message = ''
         if all_warning_messages:
             full_warning_message = "%s <ul>" % html_strong(_("Warnings"))
             for warning in all_warning_messages:
                 full_warning_message += "<li>%s</li>" % warning
             full_warning_message += "</ul>"
 
-    return (count_success, count_lines, [full_error_message], [full_warning_message])
+        # Build final success message
+        if count_success:
+            success_message = '<strong>%s</strong><br>%s' % (
+                _('Summary'),
+                _('%(counts)d of %(total)d motions successfully imported.')
+                % {'counts': count_success, 'total': count_lines})
+        else:
+            success_message = ''
+
+    return success_message, full_warning_message, full_error_message

openslides/motion/forms.py

@@ -6,7 +6,7 @@ from django.utils.translation import ugettext_lazy
 from openslides.config.api import config
 from openslides.mediafile.models import Mediafile
 from openslides.utils.forms import (CleanHtmlFormMixin, CssClassMixin,
-                                    LocalizedModelChoiceField)
+                                    CSVImportForm, LocalizedModelChoiceField)
 from openslides.utils.person import MultiplePersonFormField, PersonFormField
 
 from .models import Category, Motion, Workflow
@@ -156,18 +156,10 @@ class MotionWorkflowMixin(forms.ModelForm):
                                 'If you do so, the state of the motion will be reset.'))
 
 
-class MotionImportForm(CssClassMixin, forms.Form):
+class MotionCSVImportForm(CSVImportForm):
     """
     Form for motion import via csv file.
     """
-    csvfile = forms.FileField(
-        widget=forms.FileInput(attrs={'size': '50'}),
-        label=ugettext_lazy('CSV File'),
-        help_text=ugettext_lazy('The file has to be encoded in UTF-8.'))
-    """
-    CSV filt with import data.
-    """
-
     override = forms.BooleanField(
         required=False,
         label=ugettext_lazy('Override existing motions with the same identifier'),

openslides/motion/templates/motion/motion_form_csv_import.html

@@ -18,7 +18,7 @@
     <ul>
         <li>
             {% trans 'Required comma separated values' %}:<br />
-            <code>({% trans 'identifier, title, text, reason, submitter (clean name), category' %})</code>
+            <code>{% trans 'identifier, title, text, reason, submitter (clean name), category' %}</code>
         </li>
         <li>
             {% trans 'Identifier, reason, submitter and category are optional and may be empty' %}.

openslides/motion/views.py

@@ -13,14 +13,14 @@ from openslides.config.api import config
 from openslides.poll.views import PollFormView
 from openslides.projector.api import get_active_slide, update_projector
 from openslides.utils.utils import html_strong, htmldiff
-from openslides.utils.views import (CreateView, DeleteView, DetailView,
-                                    FormView, ListView, PDFView, QuestionView,
+from openslides.utils.views import (CreateView, CSVImportView, DeleteView, DetailView,
+                                    ListView, PDFView, QuestionView,
                                     RedirectView, SingleObjectMixin, UpdateView)
 
 from .csv_import import import_motions
 from .forms import (BaseMotionForm, MotionCategoryMixin,
                     MotionDisableVersioningMixin, MotionIdentifierMixin,
-                    MotionImportForm, MotionSubmitterMixin,
+                    MotionCSVImportForm, MotionSubmitterMixin,
                     MotionSupporterMixin, MotionWorkflowMixin)
 from .models import (Category, Motion, MotionPoll, MotionSubmitter,
                      MotionSupporter, MotionVersion, State)
@@ -769,14 +769,14 @@ class CategoryDeleteView(DeleteView):
 category_delete = CategoryDeleteView.as_view()
 
 
-class MotionCSVImportView(FormView):
+class MotionCSVImportView(CSVImportView):
     """
-    Import motions via csv.
+    Imports motions from an uploaded csv file.
     """
+    form_class = MotionCSVImportForm
     permission_required = 'motion.can_manage_motion'
-    template_name = 'motion/motion_form_csv_import.html'
-    form_class = MotionImportForm
     success_url_name = 'motion_list'
+    template_name = 'motion/motion_form_csv_import.html'
 
     def get_initial(self, *args, **kwargs):
         """
@@ -787,25 +787,11 @@ class MotionCSVImportView(FormView):
         return return_value
 
     def form_valid(self, form):
-        """
-        Processes the import function.
-        """
-        count_success, count_lines, error_messages, warning_messages = import_motions(
-            self.request.FILES['csvfile'],
-            default_submitter=form.cleaned_data['default_submitter'],
-            override=form.cleaned_data['override'],
-            importing_person=self.request.user)
-        for message in error_messages:
-            messages.error(self.request, message)
-        for message in warning_messages:
-            messages.warning(self.request, message)
-        if count_success:
-            messages.success(
-                self.request,
-                "<strong>%s</strong><br>%s" % (
-                    _('Summary'),
-                    _('%(counts)d of %(total)d motions successfully imported.')
-                    % {'counts': count_success, 'total': count_lines}))
-        return super(MotionCSVImportView, self).form_valid(form)
+        success, warning, error = import_motions(importing_person=self.request.user, **form.cleaned_data)
+        messages.success(self.request, success)
+        messages.warning(self.request, warning)
+        messages.error(self.request, error)
+        # Overleap method of CSVImportView
+        return super(CSVImportView, self).form_valid(form)
 
 motion_csv_import = MotionCSVImportView.as_view()

openslides/participant/api.py

@@ -1,13 +1,7 @@
 # -*- coding: utf-8 -*-
 
-import csv
 from random import choice
 
-from django.db import transaction
-from django.utils.translation import ugettext as _
-
-from openslides.utils import csv_ext
-
 from .models import Group, User
 
 
@@ -47,64 +41,6 @@ def gen_username(first_name, last_name):
             return test_name
 
 
-def import_users(csv_file):
-    error_messages = []
-    count_success = 0
-    try:
-        # check for valid encoding (will raise UnicodeDecodeError if not)
-        csv_file.read().decode('utf-8')
-        csv_file.seek(0)
-
-        with transaction.commit_on_success():
-            dialect = csv.Sniffer().sniff(csv_file.readline())
-            dialect = csv_ext.patchup(dialect)
-            csv_file.seek(0)
-
-            for (line_no, line) in enumerate(csv.reader(csv_file,
-                                                        dialect=dialect)):
-                if line_no:
-                    try:
-                        (title, first_name, last_name, gender, email, groups,
-                         structure_level, committee, about_me, comment, is_active) = line[:11]
-                    except ValueError:
-                        error_messages.append(_('Ignoring malformed line %d in import file.') % (line_no + 1))
-                        continue
-                    user = User()
-                    user.title = title
-                    user.last_name = last_name
-                    user.first_name = first_name
-                    user.username = gen_username(first_name, last_name)
-                    user.gender = gender
-                    user.email = email
-                    user.structure_level = structure_level
-                    user.committee = committee
-                    user.about_me = about_me
-                    user.comment = comment
-                    if is_active == '1':
-                        user.is_active = True
-                    else:
-                        user.is_active = False
-                    user.default_password = gen_password()
-                    user.save()
-                    for groupid in groups:
-                        try:
-                            if groupid != ",":
-                                Group.objects.get(pk=groupid).user_set.add(user)
-                        except ValueError:
-                            error_messages.append(_('Ignoring malformed group id in line %d.') % (line_no + 1))
-                            continue
-                        except Group.DoesNotExist:
-                            error_messages.append(_('Group id %(id)s does not exists (line %(line)d).') % {'id': groupid, 'line': line_no + 1})
-                            continue
-                    user.reset_password()
-                    count_success += 1
-    except csv.Error:
-        error_messages.append(_('Import aborted because of severe errors in the input file.'))
-    except UnicodeDecodeError:
-        error_messages.append(_('Import file has wrong character encoding, only UTF-8 is supported!'))
-    return (count_success, error_messages)
-
-
 def get_registered_group():
     """
     Returns the group 'Registered' (pk=2).

openslides/participant/csv_import.py

@@ -0,0 +1,88 @@
+# -*- coding: utf-8 -*-
+
+import csv
+
+from django.db import transaction
+from django.utils.translation import ugettext as _
+
+from openslides.utils import csv_ext
+from openslides.utils.utils import html_strong
+
+from .api import gen_password, gen_username
+from .models import Group, User
+
+
+def import_users(csvfile):
+    error_messages = []
+    count_success = 0
+    try:
+        # check for valid encoding (will raise UnicodeDecodeError if not)
+        csvfile.read().decode('utf-8')
+        csvfile.seek(0)
+
+        with transaction.commit_on_success():
+            dialect = csv.Sniffer().sniff(csvfile.readline())
+            dialect = csv_ext.patchup(dialect)
+            csvfile.seek(0)
+
+            for (line_no, line) in enumerate(csv.reader(csvfile,
+                                                        dialect=dialect)):
+                if line_no:
+                    try:
+                        (title, first_name, last_name, gender, email, groups,
+                         structure_level, committee, about_me, comment, is_active) = line[:11]
+                    except ValueError:
+                        error_messages.append(_('Ignoring malformed line %d in import file.') % (line_no + 1))
+                        continue
+                    if not first_name and not last_name:
+                        error_messages.append(_("In line %d you have to provide either 'first_name' or 'last_name'.") % (line_no + 1))
+                        continue
+                    user = User()
+                    user.title = title
+                    user.last_name = last_name
+                    user.first_name = first_name
+                    user.username = gen_username(first_name, last_name)
+                    user.gender = gender
+                    user.email = email
+                    user.structure_level = structure_level
+                    user.committee = committee
+                    user.about_me = about_me
+                    user.comment = comment
+                    if is_active == '1':
+                        user.is_active = True
+                    else:
+                        user.is_active = False
+                    user.default_password = gen_password()
+                    user.save()
+                    for groupid in groups:
+                        try:
+                            if groupid != ",":
+                                Group.objects.get(pk=groupid).user_set.add(user)
+                        except ValueError:
+                            error_messages.append(_('Ignoring malformed group id in line %d.') % (line_no + 1))
+                            continue
+                        except Group.DoesNotExist:
+                            error_messages.append(_('Group id %(id)s does not exists (line %(line)d).') % {'id': groupid, 'line': line_no + 1})
+                            continue
+                    user.reset_password()
+                    count_success += 1
+    except csv.Error:
+        error_messages.append(_('Import aborted because of severe errors in the input file.'))
+    except UnicodeDecodeError:
+        error_messages.append(_('Import file has wrong character encoding, only UTF-8 is supported!'))
+
+    # Build final success message
+    if count_success:
+        success_message = _('%d new participants were successfully imported.') % count_success
+    else:
+        success_message = ''
+
+    # Build final error message with all error items (one bullet point for each csv line)
+    full_error_message = ''
+    if error_messages:
+        full_error_message = "%s <ul>" % html_strong(_("Errors"))
+        for error in error_messages:
+            full_error_message += "<li>%s</li>" % error
+        full_error_message += "</ul>"
+
+    return success_message, '', full_error_message

openslides/participant/forms.py

@@ -172,8 +172,3 @@ class UsersettingsForm(CssClassMixin, forms.ModelForm):
         model = User
         fields = ('user_name', 'title', 'first_name', 'last_name', 'gender', 'email',
                   'committee', 'about_me')
-
-
-class UserImportForm(CssClassMixin, forms.Form):
-    csvfile = forms.FileField(widget=forms.FileInput(attrs={'size': '50'}),
-                              label=ugettext_lazy('CSV File'))

openslides/participant/templates/participant/overview.html

@@ -23,7 +23,7 @@
             <a href="{% url 'user_new' %}" class="btn btn-mini btn-primary" rel="tooltip" data-original-title="{% trans 'New participant' %}"><i class="icon-plus icon-white"></i> {% trans "New" %}</a>
             <a href="{% url 'user_new_multiple' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'New multiple participants' %}"><i class="icon-plus"></i> {% trans 'New multiple' %}</a>
             <a href="{% url 'user_group_overview' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'All groups' %}"><i class="icon-group"></i> {% trans "Groups" %}</a>
-            <a href="{% url 'user_import' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Import participants' %}"><i class="icon-import"></i> {% trans 'Import' %}</a>
+            <a href="{% url 'user_csv_import' %}" class="btn btn-mini" rel="tooltip" data-original-title="{% trans 'Import participants' %}"><i class="icon-import"></i> {% trans 'Import' %}</a>
         {% endif %}
         {% if perms.participant.can_see_participant and perms.participant.can_manage_participant %}
             <div class="btn-group">

openslides/participant/templates/participant/user_form_csv_import.html

@@ -18,11 +18,11 @@
     <ul>
         <li>
             {% trans 'Required comma separated values' %}:<br>
-            <code>({% trans 'title, first name, last name, gender, email, group id, structure level, committee, about me, comment, is active' %})</code>
+            <code>{% trans 'title, first name, last name, gender, email, group id, structure level, committee, about me, comment, is active' %}</code>
         </li>
         <li>
             {% trans 'Default groups' %}:
-            {% trans 'Delegate' %} (<code>3</code>), {% trans 'Staff' %} (<code>4</code>)
+            {% trans 'Delegate' %} <code>3</code>, {% trans 'Staff' %} <code>4</code>
         </li>
         <li>
             {% trans 'At least first name or last name have to be filled in. All other fields are optional and may be empty.' %}
@@ -31,7 +31,7 @@
         <li>
             {% trans 'Required CSV file encoding is UTF-8' %}.
         </li>
-        <li><a href="https://github.com/OpenSlides/OpenSlides/wiki/CSV-Import" target="_blank">{% trans 'Use the CSV example file from OpenSlides Wiki.' %}</a></li>
+        <li><a href="https://github.com/OpenSlides/OpenSlides/wiki/CSV-Import">{% trans 'Use the CSV example file from OpenSlides Wiki.' %}</a></li>
     </ul>
 
     <form enctype="multipart/form-data" action="" method="post">{% csrf_token %}

openslides/participant/urls.py

@@ -50,9 +50,9 @@ urlpatterns = patterns(
         {'action': 'toggle'},
         name='user_status_toggle'),
 
-    url(r'^import/$',
-        views.UserImportView.as_view(),
-        name='user_import'),
+    url(r'^csv_import/$',
+        views.UserCSVImportView.as_view(),
+        name='user_csv_import'),
 
     # Group
     url(r'^group/$',

openslides/participant/views.py

@@ -13,13 +13,14 @@ from django.utils.translation import activate, ugettext_lazy
 from openslides.config.api import config
 from openslides.utils.utils import (delete_default_permissions, html_strong,
                                     template)
-from openslides.utils.views import (CreateView, DeleteView, DetailView,
+from openslides.utils.views import (CreateView, CSVImportView, DeleteView, DetailView,
                                     FormView, ListView, PDFView,
                                     PermissionMixin, QuestionView,
                                     RedirectView, SingleObjectMixin, UpdateView)
 
-from .api import gen_password, gen_username, import_users
-from .forms import (GroupForm, UserCreateForm, UserMultipleCreateForm, UserImportForm,
+from .api import gen_password, gen_username
+from .csv_import import import_users
+from .forms import (GroupForm, UserCreateForm, UserMultipleCreateForm,
                     UsersettingsForm, UserUpdateForm)
 from .models import get_protected_perm, Group, User
 from .pdf import participants_to_pdf, participants_passwords_to_pdf
@@ -237,25 +238,14 @@ class ParticipantsPasswordsPDF(PDFView):
         participants_passwords_to_pdf(pdf)
 
 
-class UserImportView(FormView):
+class UserCSVImportView(CSVImportView):
     """
-    Import Users via csv.
+    Import users via CSV.
     """
+    import_function = staticmethod(import_users)
     permission_required = 'participant.can_manage_participant'
-    template_name = 'participant/import.html'
-    form_class = UserImportForm
     success_url_name = 'user_overview'
-
-    def form_valid(self, form):
-        # check for valid encoding (will raise UnicodeDecodeError if not)
-        success, error_messages = import_users(self.request.FILES['csvfile'])
-        for message in error_messages:
-            messages.error(self.request, message)
-        if success:
-            messages.success(
-                self.request,
-                _('%d new participants were successfully imported.') % success)
-        return super(UserImportView, self).form_valid(form)
+    template_name = 'participant/user_form_csv_import.html'
 
 
 class ResetPasswordView(SingleObjectMixin, QuestionView):

openslides/utils/forms.py

@@ -98,3 +98,13 @@ class CleanHtmlFormMixin(object):
                 # The field 'field' is not pressent. Do not change cleaned_data
                 pass
         return cleaned_data
+
+
+class CSVImportForm(CssClassMixin, forms.Form):
+    """
+    Form for the CSVImportView.
+    """
+    csvfile = forms.FileField(
+        widget=forms.FileInput(attrs={'size': '50'}),
+        label=ugettext_lazy('CSV File'),
+        help_text=ugettext_lazy('The file has to be encoded in UTF-8.'))

openslides/utils/views.py

@@ -19,6 +19,7 @@ from reportlab.lib.units import cm
 from reportlab.platypus import SimpleDocTemplate, Spacer
 
 from .exceptions import OpenSlidesError
+from .forms import CSVImportForm
 from .pdf import firstPage, laterPages
 from .signals import template_manipulation
 from .utils import html_strong
@@ -581,3 +582,38 @@ class PDFView(PermissionMixin, View):
 
     def get(self, request, *args, **kwargs):
         return self.render_to_response(self.get_filename())
+
+
+class CSVImportView(FormView):
+    """
+    View for a csv import of some data.
+
+    The attribute import_function might to be a staticmethod.
+    """
+    form_class = CSVImportForm
+    import_function = None
+
+    def get_import_function(self):
+        """
+        Override this to return a specific function to import data from
+        a given csv file using some extra kwargs. This function has to
+        return a three-tuple of strings which are the messages for the
+        user.
+
+        Example function:
+
+        def my_import(csvfile, **kwargs):
+            # Parse file and import data
+            return success_message, warning_message, error_message
+        """
+        if self.import_function is None:
+            raise NotImplementedError('A CSVImportView must provide an import_function '
+                                      'attribute or override a get_import_function method.')
+        return self.import_function
+
+    def form_valid(self, form):
+        success, warning, error = self.get_import_function()(**form.cleaned_data)
+        messages.success(self.request, success)
+        messages.warning(self.request, warning)
+        messages.error(self.request, error)
+        return super(CSVImportView, self).form_valid(form)

tests/agenda/tests.py

@@ -2,6 +2,7 @@
 
 from django.contrib.auth.models import Permission
 from django.contrib.contenttypes.models import ContentType
+from django.core.files.uploadedfile import SimpleUploadedFile
 from django.test.client import Client
 from mock import patch
 
@@ -275,6 +276,18 @@ class ViewTest(TestCase):
         response = client.get('/agenda/2/')
         self.assertEqual(response.status_code, 200)
 
+    def test_csv_import(self):
+        item_number = Item.objects.all().count()
+        new_csv_file = SimpleUploadedFile(
+            name='new_csv_file.csv',
+            content='Title,text,duration\nTitle thei5KieK6ohphuilahs,Text Chai1ioWae3ASh0Eloh1,42\n,Bad line\n')
+        self.adminClient.post('/agenda/csv_import/', {'csvfile': new_csv_file})
+        self.assertEqual(Item.objects.all().count(), item_number + 1)
+        item = Item.objects.get(pk=3)
+        self.assertEqual(item.title, 'Title thei5KieK6ohphuilahs')
+        self.assertEqual(item.text, 'Text Chai1ioWae3ASh0Eloh1')
+        self.assertEqual(item.duration, '42')
+
 
 class ConfigTest(TestCase):
     def setUp(self):

tests/motion/test_csv_import.py

@@ -43,9 +43,9 @@ class CSVImport(TestCase):
         csv_dir = os.path.join(os.path.dirname(__file__), '..', '..', 'extras', 'csv-examples')
         self.assertEqual(Motion.objects.count(), 0)
         with open(csv_dir + '/motions-demo_de.csv') as f:
-            count_success, count_lines, error_messages, warning_messages = import_motions(csv_file=f, default_submitter=self.normal_user.person_id)
+            success_message, warning_message, error_message = import_motions(
+                csvfile=f, default_submitter=self.normal_user.person_id, override=False, importing_person=self.admin)
         self.assertEqual(Motion.objects.count(), 11)
-        self.assertEqual(count_success, 11)
 
         motion1 = Motion.objects.get(pk=1)
         self.assertEqual(motion1.identifier, '1')
@@ -55,8 +55,8 @@ class CSVImport(TestCase):
         self.assertEqual(len(motion1.submitter.all()), 1)
         self.assertEqual(motion1.submitter.all()[0].person, self.normal_user)
         self.assertTrue(motion1.category is None)
-        self.assertTrue(any('Submitter unknown.' in w for w in warning_messages))
-        self.assertTrue(any('Category unknown.' in w for w in warning_messages))
+        self.assertTrue('Submitter unknown.' in warning_message)
+        self.assertTrue('Category unknown.' in warning_message)
 
         motion2 = Motion.objects.get(pk=2)
         self.assertEqual(motion2.identifier, 'SA 1')
@@ -69,25 +69,26 @@ class CSVImport(TestCase):
         self.assertEqual(motion2.category, self.category1)
 
         # check user 'John Doe'
-        self.assertTrue(any('Several suitable submitters found.' in w for w in warning_messages))
+        self.assertTrue('Several suitable submitters found.' in warning_message)
         # check category 'Bildung'
-        self.assertTrue(any('Several suitable categories found.' in w for w in warning_messages))
+        self.assertTrue('Several suitable categories found.' in warning_message)
 
     def test_malformed_file(self):
         csv_file = StringIO.StringIO()
         csv_file.write('Header\nMalformed data,\n,Title,Text,,,\n')
-        count_success, count_lines, error_messages, warning_messages = import_motions(csv_file=csv_file, default_submitter=self.normal_user.person_id)
-        self.assertEqual(count_success, 0)
-        self.assertTrue(any('Line is malformed.' in e for e in error_messages))
+        success_message, warning_message, error_message = import_motions(
+            csvfile=csv_file, default_submitter=self.normal_user.person_id, override=False)
+        self.assertEqual(success_message, '')
+        self.assertTrue('Line is malformed.' in error_message)
 
     def test_wrong_encoding(self):
         csv_file = StringIO.StringIO()
         text = u'Müller'.encode('iso-8859-15')
         csv_file.write(text)
         csv_file.seek(0)
-        count_success, count_lines, error_messages, warning_messages = import_motions(
-            csv_file=csv_file,
-            default_submitter=self.normal_user.person_id)
-        self.assertEqual(count_success, 0)
-        self.assertEqual(count_lines, 0)
-        self.assertTrue('Import file has wrong character encoding, only UTF-8 is supported!' in error_messages)
+        success_message, warning_message, error_message = import_motions(
+            csvfile=csv_file,
+            default_submitter=self.normal_user.person_id,
+            override=False)
+        self.assertEqual(success_message, '')
+        self.assertTrue('Import file has wrong character encoding, only UTF-8 is supported!' in error_message)