Updates for a working local scanner source
This commit is contained in:
Roberto Rosario
@@ -1 +0,0 @@
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@@ -2,8 +2,8 @@ from __future__ import absolute_import
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from django.utils.translation import ugettext_lazy as _
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from navigation.api import (bind_links,
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register_model_list_columns)
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from navigation.api import (bind_links, register_model_list_columns,
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register_sidebar_template)
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from common.utils import encapsulate
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from project_setup.api import register_setup
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from scheduler.api import LocalScheduler
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@@ -21,12 +21,15 @@ from .links import (staging_file_delete, setup_sources,
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setup_source_delete, setup_source_create, setup_source_log_list,
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setup_source_transformation_list, setup_source_transformation_create,
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setup_source_transformation_edit, setup_source_transformation_delete,
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upload_version, document_create_multiple, setup_local_scanner_list)
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upload_version, document_create_multiple, setup_local_scanner_list,
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setup_local_scanners_refresh)
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bind_links([StagingFile], [staging_file_delete])
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bind_links([SourceTransformation], [setup_source_transformation_edit, setup_source_transformation_delete])
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bind_links([LocalScanner, 'setup_local_scanner_list'], [setup_local_scanners_refresh], menu_name='secondary_menu')
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register_sidebar_template([LocalScanner, 'setup_local_scanner_list'], 'scanner_list.html')
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bind_links(['setup_imap_email_list', 'setup_pop3_email_list', 'setup_web_form_list', 'setup_staging_folder_list', 'setup_watch_folder_list', 'setup_source_create', 'setup_local_scanner_list'], [setup_web_form_list, setup_staging_folder_list, setup_pop3_email_list, setup_imap_email_list, setup_local_scanner_list], menu_name='form_header')
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bind_links([WebForm, StagingFolder, POP3Email, IMAPEmail, LocalScanner, 'setup_web_form_list', 'setup_staging_folder_list', 'setup_watch_folder_list', 'setup_source_create', 'setup_pop3_email_list', 'setup_imap_email_list', 'setup_local_scanner_list'], [setup_source_create], menu_name='secondary_menu')
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@@ -105,14 +105,45 @@ class LocalScannerSetupForm(forms.ModelForm):
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model = LocalScanner
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scanner = forms.ChoiceField(required=False, label=_(u'Active scanners'), help_text=_(u'List of scanners found connected to this node. Choose one to have its device and description automatically saved in the fields above.'))
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scanner_device = forms.CharField(required=False, label=_(u'Scanner device'))
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scanner_description = forms.CharField(required=False, label=_(u'Scanner description'))
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def __init__(self, *args, **kwargs):
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super(LocalScannerSetupForm, self).__init__(*args, **kwargs)
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self.fields['icon'].widget = FamFamRadioSelect(
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attrs=self.fields['icon'].widget.attrs,
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choices=self.fields['icon'].widget.choices,
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)
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self.fields['scanner'].choices = LocalScanner.get_scanner_choices()
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self.scanner_choices = LocalScanner.get_scanner_choices()
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self.fields['scanner'].choices = self.scanner_choices
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def clean(self):
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try:
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scanner = LocalScanner.get_scanner(self.cleaned_data.get('scanner'))
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except LocalScanner.NoSuchScanner:
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device_name = u''
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description = u''
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else:
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device_name = scanner['scanner']._device
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description = scanner['description']
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self.cleaned_data['scanner_device'] = device_name
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self.cleaned_data['scanner_description'] = description
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return self.cleaned_data
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class LocalScannerForm(DocumentForm):
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def __init__(self, *args, **kwargs):
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show_expand = kwargs.pop('show_expand', False)
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self.source = kwargs.pop('source')
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super(LocalScannerForm, self).__init__(*args, **kwargs)
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self.fields['new_filename'].help_text=_(u'If left blank a date time stamp will be used.')
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def clean_file(self):
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data = self.cleaned_data['file']
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validate_whitelist_blacklist(data.name, self.source.whitelist.split(','), self.source.blacklist.split(','))
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return data
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class SourceTransformationForm(forms.ModelForm):
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@@ -8,19 +8,18 @@ from documents.permissions import (PERMISSION_DOCUMENT_NEW_VERSION,
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from .permissions import (PERMISSION_SOURCES_SETUP_VIEW,
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PERMISSION_SOURCES_SETUP_EDIT, PERMISSION_SOURCES_SETUP_DELETE,
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PERMISSION_SOURCES_SETUP_CREATE)
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from .models import (WebForm, StagingFolder, SourceTransformation,
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WatchFolder, POP3Email, IMAPEmail, LocalScanner)
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staging_file_preview = Link(text=_(u'preview'), klass='fancybox-noscaling', view='staging_file_preview', args=['source.source_type', 'source.pk', 'object.pk'], sprite='zoom', permissions=[PERMISSION_DOCUMENT_NEW_VERSION, PERMISSION_DOCUMENT_CREATE])
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staging_file_delete = Link(text=_(u'delete'), view='staging_file_delete', args=['source.source_type', 'source.pk', 'object.pk'], sprite='delete', keep_query=True, permissions=[PERMISSION_DOCUMENT_NEW_VERSION, PERMISSION_DOCUMENT_CREATE])
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setup_sources = Link(text=_(u'sources'), view='setup_web_form_list', sprite='application_form', icon='application_form.png', children_classes=[WebForm], permissions=[PERMISSION_SOURCES_SETUP_VIEW], children_view_regex=[r'setup_web_form', r'setup_staging_folder', r'setup_source_', r'setup_pop3', r'setup_imap'])
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setup_web_form_list = Link(text=_(u'web forms'), view='setup_web_form_list', sprite='application_form', icon='application_form.png', children_classes=[WebForm], permissions=[PERMISSION_SOURCES_SETUP_VIEW])
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setup_staging_folder_list = Link(text=_(u'staging folders'), view='setup_staging_folder_list', sprite='folder_camera', children_classes=[StagingFolder], permissions=[PERMISSION_SOURCES_SETUP_VIEW])
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setup_watch_folder_list = Link(text=_(u'watch folders'), view='setup_watch_folder_list', sprite='folder_magnify', children_classes=[WatchFolder], permissions=[PERMISSION_SOURCES_SETUP_VIEW])
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setup_pop3_email_list = Link(text=_(u'POP3 email'), view='setup_pop3_email_list', sprite='email', children_classes=[POP3Email], permissions=[PERMISSION_SOURCES_SETUP_VIEW])
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setup_imap_email_list = Link(text=_(u'IMAP email'), view='setup_imap_email_list', sprite='email', children_classes=[IMAPEmail], permissions=[PERMISSION_SOURCES_SETUP_VIEW])
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setup_local_scanner_list = Link(text=_(u'Local scanner'), view='setup_local_scanner_list', sprite='images', children_classes=[LocalScanner], permissions=[PERMISSION_SOURCES_SETUP_VIEW])
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setup_sources = Link(text=_(u'sources'), view='setup_web_form_list', sprite='application_form', icon='application_form.png', permissions=[PERMISSION_SOURCES_SETUP_VIEW], children_view_regex=[r'setup_web_form', r'setup_staging_folder', r'setup_source_', r'setup_pop3', r'setup_imap'])
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setup_web_form_list = Link(text=_(u'web forms'), view='setup_web_form_list', sprite='application_form', icon='application_form.png', permissions=[PERMISSION_SOURCES_SETUP_VIEW])
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setup_staging_folder_list = Link(text=_(u'staging folders'), view='setup_staging_folder_list', sprite='folder_camera', permissions=[PERMISSION_SOURCES_SETUP_VIEW])
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setup_watch_folder_list = Link(text=_(u'watch folders'), view='setup_watch_folder_list', sprite='folder_magnify', permissions=[PERMISSION_SOURCES_SETUP_VIEW])
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setup_pop3_email_list = Link(text=_(u'POP3 email'), view='setup_pop3_email_list', sprite='email', permissions=[PERMISSION_SOURCES_SETUP_VIEW])
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setup_imap_email_list = Link(text=_(u'IMAP email'), view='setup_imap_email_list', sprite='email', permissions=[PERMISSION_SOURCES_SETUP_VIEW])
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setup_local_scanner_list = Link(text=_(u'Local scanner'), view='setup_local_scanner_list', sprite='image', permissions=[PERMISSION_SOURCES_SETUP_VIEW])
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setup_local_scanners_refresh = Link(text=_(u'Refresh scanner list'), view='scanners_refresh', sprite='images', permissions=[PERMISSION_SOURCES_SETUP_VIEW])
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setup_source_edit = Link(text=_(u'edit'), view='setup_source_edit', args=['source.source_type', 'source.pk'], sprite='application_form_edit', permissions=[PERMISSION_SOURCES_SETUP_EDIT])
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setup_source_delete = Link(text=_(u'delete'), view='setup_source_delete', args=['source.source_type', 'source.pk'], sprite='application_form_delete', permissions=[PERMISSION_SOURCES_SETUP_DELETE])
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@@ -64,7 +64,7 @@ SOURCE_CHOICES = (
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(SOURCE_CHOICE_WATCH, _(u'server watch folder')),
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(SOURCE_CHOICE_POP3_EMAIL, _(u'POP3 email')),
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(SOURCE_CHOICE_IMAP_EMAIL, _(u'IMAP email')),
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(SOURCE_CHOICE_LOCAL_SCANNER, _(u'Local scanner')),
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(SOURCE_CHOICE_LOCAL_SCANNER, _(u'local scanner')),
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)
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SOURCE_CHOICES_PLURAL = (
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@@ -73,5 +73,7 @@ SOURCE_CHOICES_PLURAL = (
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(SOURCE_CHOICE_WATCH, _(u'server watch folders')),
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(SOURCE_CHOICE_POP3_EMAIL, _(u'POP3 emails')),
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(SOURCE_CHOICE_IMAP_EMAIL, _(u'IMAP emails')),
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(SOURCE_CHOICE_LOCAL_SCANNER, _(u'Local scanners')),
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(SOURCE_CHOICE_LOCAL_SCANNER, _(u'local scanners')),
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)
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DEFAULT_LOCAL_SCANNER_FILE_FORMAT = 'JPEG'
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@@ -42,7 +42,8 @@ from .literals import (SOURCE_CHOICES, SOURCE_CHOICES_PLURAL,
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IMAP_PORT, IMAP_SSL_PORT,
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SOURCE_CHOICE_IMAP_EMAIL, DEFAULT_IMAP_INTERVAL,
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IMAP_DEFAULT_MAILBOX,
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SOURCE_CHOICE_LOCAL_SCANNER, SOURCE_ICON_IMAGES)
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SOURCE_CHOICE_LOCAL_SCANNER, SOURCE_ICON_IMAGES,
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DEFAULT_LOCAL_SCANNER_FILE_FORMAT)
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from .compressed_file import CompressedFile, NotACompressedFile
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from .conf.settings import POP3_TIMEOUT
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#from . import sources_scheduler
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@@ -382,8 +383,12 @@ class IMAPEmail(EmailBaseModel):
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class LocalScanner(InteractiveBaseModel):
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# scanner device string to scanner instance cache dict
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_scanner_cache = {}
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class NoSuchScanner(Exception):
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pass
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is_interactive = True
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source_type = SOURCE_CHOICE_LOCAL_SCANNER
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default_icon = SOURCE_ICON_IMAGES
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@@ -393,33 +398,61 @@ class LocalScanner(InteractiveBaseModel):
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@classmethod
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def get_scanners(cls):
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imagescanner.settings.ENABLE_NET_BACKEND = False
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imagescanner.settings.ENABLE_TEST_BACKEND = False
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iscanner = imagescanner.ImageScanner(remote_search=False)
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scanners = iscanner.list_scanners()
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imagescanner.settings.LOGGING_LEVEL = logging.FATAL
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imagescanner.settings.ENABLE_NET_BACKEND = False
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imagescanner.settings.ENABLE_TEST_BACKEND = False
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for scanner in scanners:
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LocalScanner._scanner_cache[scanner._device] = scanner
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LocalScanner._scanner_cache[unicode(scanner._device)] = {
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'scanner': scanner,
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'description': u'%s: %s - %s - %s <%s>' % (scanner.id, scanner.manufacturer, scanner.name, scanner.description, scanner._device)
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}
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return scanners
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@classmethod
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def get_scanner(cls, device):
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try:
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return cls._scanner_cache[device]
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except KeyError:
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raise cls.NoSuchScanner
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@classmethod
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def get_scanner_choices(cls):
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scanners = cls.get_scanners()
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def get_scanner_choices(cls, description_only=False):
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if description_only:
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template_func = lambda scanner: (scanner['description'])
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else:
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template_func = lambda scanner: (scanner['scanner']._device, scanner['description'])
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return [(scanner._device, u'%s: %s - %s - %s <%s>' % (scanner.id, scanner.manufacturer, scanner.name, scanner.description, scanner._device)) for scanner in scanners]
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return [template_func(scanner) for scanner in LocalScanner._scanner_cache.values()]
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def get_scanner(self, fail=False):
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def scanner(self, _fail=False):
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try:
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return LocalScanner._scanner_cache[self.device]
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except IndexError:
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if fail==False:
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return LocalScanner._scanner_cache[self.scanner_device]['scanner']
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except KeyError:
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if _fail == False:
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# Refresh the cache before trying one last time
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LocalScanner.get_scanners()
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return self.get_scanner(fail=True)
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return self.scanner(_fail=True)
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else:
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# TODO: raise specialized exception
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raise Exception('Error getting scanner')
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raise self.__class__.NoSuchScanner
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def scan(self, as_image=False):
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image = self.scanner().scan()
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if as_image:
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return image
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else:
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buf = StringIO()
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image.save(buf, DEFAULT_LOCAL_SCANNER_FILE_FORMAT)
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return PseudoFile(buf, name=unicode(datetime.datetime.now()).replace(u'.', u'_').replace(u' ', u'_'))
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# This code make new_version upload fail, use it for debugging
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#buf = StringIO()
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#buf.write(image.tostring())
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#buf.seek(0)
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#return buf
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class Meta(InteractiveBaseModel.Meta):
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verbose_name = _(u'local scanner')
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10
apps/sources/templates/scanner_list.html
Normal file
10
apps/sources/templates/scanner_list.html
Normal file
@@ -0,0 +1,10 @@
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{% load i18n %}
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{% load scanner_tags %}
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{% trans 'Scanner list' as title %}
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{% scanner_list as paragraphs %}
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{% with 'true' as side_bar %}
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{% include 'generic_subtemplate.html' %}
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{% endwith %}
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0
apps/sources/templatetags/__init__.py
Normal file
0
apps/sources/templatetags/__init__.py
Normal file
16
apps/sources/templatetags/scanner_tags.py
Normal file
16
apps/sources/templatetags/scanner_tags.py
Normal file
@@ -0,0 +1,16 @@
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from django.template import Library
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from django.utils.translation import ugettext_lazy as _
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from sources.models import LocalScanner
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register = Library()
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@register.assignment_tag
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def scanner_list():
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list_of_scanners = LocalScanner.get_scanner_choices(description_only=True)
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if list_of_scanners:
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return list_of_scanners
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else:
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return [_(u'No scanners found.')]
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@@ -27,6 +27,7 @@ urlpatterns = patterns('sources.views',
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url(r'^setup/interactive/%s/list/$' % SOURCE_CHOICE_POP3_EMAIL, 'setup_source_list', {'source_type': SOURCE_CHOICE_POP3_EMAIL}, 'setup_pop3_email_list'),
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url(r'^setup/interactive/%s/list/$' % SOURCE_CHOICE_IMAP_EMAIL, 'setup_source_list', {'source_type': SOURCE_CHOICE_IMAP_EMAIL}, 'setup_imap_email_list'),
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url(r'^setup/interactive/%s/list/$' % SOURCE_CHOICE_LOCAL_SCANNER, 'setup_source_list', {'source_type': SOURCE_CHOICE_LOCAL_SCANNER}, 'setup_local_scanner_list'),
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url(r'^setup/interactive/%s/refresh/$' % SOURCE_CHOICE_LOCAL_SCANNER, 'scanners_refresh', (), 'scanners_refresh'),
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url(r'^setup/interactive/(?P<source_type>\w+)/list/$', 'setup_source_list', (), 'setup_source_list'),
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url(r'^setup/interactive/(?P<source_type>\w+)/(?P<source_id>\d+)/edit/$', 'setup_source_edit', (), 'setup_source_edit'),
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@@ -38,7 +38,8 @@ from .literals import (SOURCE_UNCOMPRESS_CHOICE_Y,
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from .staging import create_staging_file_class
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from .forms import (StagingDocumentForm, WebFormForm,
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WatchFolderSetupForm, WebFormSetupForm, StagingFolderSetupForm,
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POP3EmailSetupForm, IMAPEmailSetupForm, LocalScannerSetupForm)
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POP3EmailSetupForm, IMAPEmailSetupForm, LocalScannerSetupForm,
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LocalScannerForm)
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from .forms import SourceTransformationForm, SourceTransformationForm_create
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from .permissions import (PERMISSION_SOURCES_SETUP_VIEW,
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PERMISSION_SOURCES_SETUP_EDIT, PERMISSION_SOURCES_SETUP_DELETE,
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@@ -74,10 +75,15 @@ def get_active_tab_links(document=None):
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for staging_folder in staging_folders:
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tab_links.append(get_tab_link_for_source(staging_folder, document))
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local_scanners = LocalScanner.objects.filter(enabled=True)
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for local_scanner in local_scanners:
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tab_links.append(get_tab_link_for_source(local_scanner, document))
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return {
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'tab_links': tab_links,
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SOURCE_CHOICE_WEB_FORM: web_forms,
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SOURCE_CHOICE_STAGING: staging_folders,
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SOURCE_CHOICE_LOCAL_SCANNER: local_scanners,
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}
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@@ -99,7 +105,7 @@ def upload_interactive(request, source_type=None, source_id=None, document_pk=No
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context = {}
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if results[SOURCE_CHOICE_WEB_FORM].count() == 0 and results[SOURCE_CHOICE_STAGING].count() == 0:
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if results[SOURCE_CHOICE_WEB_FORM].count() == 0 and results[SOURCE_CHOICE_STAGING].count() == 0 and results[SOURCE_CHOICE_LOCAL_SCANNER].count() == 0:
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source_setup_link = mark_safe('<a href="%s">%s</a>' % (reverse('setup_web_form_list'), ugettext(u'here')))
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subtemplates_list.append(
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{
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@@ -128,6 +134,9 @@ def upload_interactive(request, source_type=None, source_id=None, document_pk=No
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elif results[SOURCE_CHOICE_STAGING].count():
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source_type = results[SOURCE_CHOICE_STAGING][0].source_type
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source_id = results[SOURCE_CHOICE_STAGING][0].pk
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elif results[SOURCE_CHOICE_LOCAL_SCANNER].count():
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source_type = results[SOURCE_CHOICE_LOCAL_SCANNER][0].source_type
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source_id = results[SOURCE_CHOICE_LOCAL_SCANNER][0].pk
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if source_type and source_id:
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if source_type == SOURCE_CHOICE_WEB_FORM:
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@@ -300,6 +309,65 @@ def upload_interactive(request, source_type=None, source_id=None, document_pk=No
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}
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},
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]
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elif source_type == SOURCE_CHOICE_LOCAL_SCANNER:
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local_scanner = get_object_or_404(LocalScanner, pk=source_id)
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context['source'] = local_scanner
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if request.method == 'POST':
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form = LocalScannerForm(request.POST, request.FILES,
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document_type=document_type,
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source=local_scanner,
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instance=document
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)
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if form.is_valid():
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try:
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expand = False
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new_filename = get_form_filename(form)
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image = local_scanner.scan()
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result = local_scanner.upload_file(image,
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new_filename, use_file_name=form.cleaned_data.get('use_file_name', False),
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document_type=document_type,
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expand=expand,
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metadata_dict_list=decode_metadata_from_url(request.GET),
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user=request.user,
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document=document,
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new_version_data=form.cleaned_data.get('new_version_data')
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)
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if document:
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messages.success(request, _(u'New document version uploaded successfully.'))
|
||||
return HttpResponseRedirect(reverse('document_view_simple', args=[document.pk]))
|
||||
else:
|
||||
messages.success(request, _(u'File uploaded successfully.'))
|
||||
|
||||
return HttpResponseRedirect(request.get_full_path())
|
||||
except NewDocumentVersionNotAllowed:
|
||||
messages.error(request, _(u'New version uploads are not allowed for this document.'))
|
||||
except Exception, e:
|
||||
if settings.DEBUG:
|
||||
raise
|
||||
messages.error(request, _(u'Unhandled exception: %s') % e)
|
||||
else:
|
||||
form = LocalScannerForm(
|
||||
document_type=document_type,
|
||||
source=local_scanner,
|
||||
instance=document
|
||||
)
|
||||
if document:
|
||||
title = _(u'upload a new version scanned from source: %s') % local_scanner.title
|
||||
else:
|
||||
title = _(u'upload a document scanned from source: %s') % local_scanner.title
|
||||
|
||||
subtemplates_list.append({
|
||||
'name': 'generic_form_subtemplate.html',
|
||||
'context': {
|
||||
'form': form,
|
||||
'title': title,
|
||||
'submit_label': _(u'Scan'),
|
||||
'submit_icon_famfam': 'image',
|
||||
},
|
||||
})
|
||||
|
||||
if document:
|
||||
context['object'] = document
|
||||
@@ -819,3 +887,15 @@ def document_create(request):
|
||||
wizard = DocumentCreateWizard(form_list=[DocumentTypeSelectForm, MetadataSelectionForm, MetadataFormSet])
|
||||
|
||||
return wizard(request)
|
||||
|
||||
|
||||
def scanners_refresh(request):
|
||||
previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', '/')))
|
||||
try:
|
||||
LocalScanner.get_scanners()
|
||||
messages.success(request, _(u'Scanner list refreshed successfully.'))
|
||||
except:
|
||||
messages.error(request, _(u'Scanner list refreshed error.'))
|
||||
|
||||
return HttpResponseRedirect(previous)
|
||||
|
||||
|
||||
Reference in New Issue
Block a user