# -*- encoding: utf-8 -*-
+import os.path
+import logging
__author__= "Łukasz Rekucki"
__date__ = "$2009-09-25 15:49:50$"
from django.core.urlresolvers import reverse
from django.utils import simplejson as json
+from django.db import IntegrityError
import librarian
import librarian.html
-from librarian import dcparser
+from librarian import dcparser, parser
-from wlrepo import RevisionNotFound, LibraryException, DocumentAlreadyExists
-from explorer.models import PullRequest
+from wlrepo import *
+from explorer.models import PullRequest, GalleryForDocument
# internal imports
import api.forms as forms
import api.response as response
-from api.utils import validate_form, hglibrary
+from api.utils import validate_form, hglibrary, natural_order
from api.models import PartCache
+#
+import settings
+
+
+log = logging.getLogger('platforma.api')
+
+
#
# Document List Handlers
#
documents = {}
- for docid in lib.documents():
+ for docid in lib.documents():
documents[docid] = {
'url': reverse('document_view', args=[docid]),
'name': docid,
'parts': []
}
- related = PartCache.objects.defer('part_id')\
+ parts = PartCache.objects.defer('part_id')\
.values_list('part_id', 'document_id').distinct()
+
+ document_tree = dict(documents)
- for part, docid in related:
+ for part, docid in parts:
# this way, we won't display broken links
if not documents.has_key(part):
+ log.info("NOT FOUND: %s", part)
continue
- child = documents[part]
parent = documents[docid]
+ child = documents[part]
+
+ # not top-level anymore
+ document_tree.pop(part)
+ parent['parts'].append(child)
+
+ for doc in documents.itervalues():
+ doc['parts'].sort(key=natural_order(lambda d: d['name']))
- if isinstance(parent, dict): # the parent is top-level
- documents.pop(part)
- parent['parts'].append(child)
- documents[part] = child['parts']
- else: # not top-level
- parent.append(child)
-
- return {
- 'documents': [d for d in documents.itervalues() if isinstance(d, dict)]
- }
+ return {'documents': sorted(document_tree.itervalues(),
+ key=natural_order(lambda d: d['name']) ) }
@validate_form(forms.DocumentUploadForm, 'POST')
@hglibrary
else:
data = request.FILES['ocr_file'].read().decode('utf-8')
+ if data is None:
+ return response.BadRequest().django_response('You must pass ocr_data or ocr_file.')
+
if form.cleaned_data['generate_dc']:
data = librarian.wrap_text(data, unicode(date.today()))
try:
lock = lib.lock()
try:
- print "DOCID", docid
+ log.info("DOCID %s", docid)
doc = lib.document_create(docid)
# document created, but no content yet
doc = doc.quickwrite('xml', data.encode('utf-8'),
'$AUTO$ XML data uploaded.', user=request.user.username)
except Exception,e:
+ import traceback
# rollback branch creation
lib._rollback()
- raise LibraryException("Exception occured:" + repr(e))
+ raise LibraryException(traceback.format_exc())
url = reverse('document_view', args=[doc.id])
finally:
lock.release()
except LibraryException, e:
+ import traceback
return response.InternalError().django_response(\
- {'exception': repr(e) })
+ {'exception': traceback.format_exc()} )
except DocumentAlreadyExists:
# Document is already there
return response.EntityConflict().django_response(\
result = {
'name': doc.id,
- 'html_url': reverse('dochtml_view', args=[doc.id,doc.revision]),
- 'text_url': reverse('doctext_view', args=[doc.id,doc.revision]),
- 'dc_url': reverse('docdc_view', args=[doc.id,doc.revision]),
+ 'html_url': reverse('dochtml_view', args=[doc.id]),
+ 'text_url': reverse('doctext_view', args=[doc.id]),
+ 'dc_url': reverse('docdc_view', args=[doc.id]),
'public_revision': doc.revision,
}
@hglibrary
def read(self, request, docid, lib):
"""Read document's meta data"""
+ log.info(u"Read %s (%s)" % (docid, type(docid)) )
try:
doc = lib.document(docid)
udoc = doc.take(request.user.username)
- except RevisionNotFound:
- return request.EnityNotFound().django_response()
+ except RevisionNotFound, e:
+ return response.EntityNotFound().django_response({
+ 'exception': type(e), 'message': e.message,
+ 'docid': docid })
# is_shared = udoc.ancestorof(doc)
# is_uptodate = is_shared or shared.ancestorof(document)
result = {
'name': udoc.id,
- 'html_url': reverse('dochtml_view', args=[udoc.id,udoc.revision]),
- 'text_url': reverse('doctext_view', args=[udoc.id,udoc.revision]),
- 'dc_url': reverse('docdc_view', args=[udoc.id,udoc.revision]),
+ 'html_url': reverse('dochtml_view', args=[udoc.id]),
+ 'text_url': reverse('doctext_view', args=[udoc.id]),
+ 'dc_url': reverse('docdc_view', args=[udoc.id]),
+ 'gallery_url': reverse('docgallery_view', args=[udoc.id]),
+ 'merge_url': reverse('docmerge_view', args=[udoc.id]),
'user_revision': udoc.revision,
- 'public_revision': doc.revision,
+ 'user_timestamp': udoc.revision.timestamp,
+ 'public_revision': doc.revision,
+ 'public_timestamp': doc.revision.timestamp,
}
return result
#
#
class DocumentHTMLHandler(BaseHandler):
- allowed_methods = ('GET', 'PUT')
+ allowed_methods = ('GET')
@hglibrary
- def read(self, request, docid, revision, lib):
+ def read(self, request, docid, lib):
"""Read document as html text"""
try:
+ revision = request.GET.get('revision', 'latest')
+
if revision == 'latest':
document = lib.document(docid)
else:
document = lib.document_for_rev(revision)
- return librarian.html.transform(document.data('xml'), is_file=False)
- except RevisionNotFound:
- return response.EntityNotFound().django_response()
+ if document.id != docid:
+ return response.BadRequest().django_response({'reason': 'name-mismatch',
+ 'message': 'Provided revision refers, to document "%s", but provided "%s"' % (document.id, docid) })
+
+ return librarian.html.transform(document.data('xml'), is_file=False, \
+ parse_dublincore=False, stylesheet="partial",\
+ options={
+ "with-paths": 'boolean(1)',
+ })
+
+ except (EntryNotFound, RevisionNotFound), e:
+ return response.EntityNotFound().django_response({
+ 'reason': 'not-found', 'message': e.message})
+ except librarian.ParseError, e:
+ return response.InternalError().django_response({
+ 'reason': 'xml-parse-error', 'message': e.message })
+
+#
+# Image Gallery
+#
+
+class DocumentGalleryHandler(BaseHandler):
+ allowed_methods = ('GET')
+
+
+ def read(self, request, docid):
+ """Read meta-data about scans for gallery of this document."""
+ galleries = []
+ from urllib import quote
+ for assoc in GalleryForDocument.objects.filter(document=docid):
+ dirpath = os.path.join(settings.MEDIA_ROOT, assoc.subpath)
+ if not os.path.isdir(dirpath):
+ log.warn(u"[WARNING]: missing gallery %s", dirpath)
+ continue
+
+ gallery = {'name': assoc.name, 'pages': []}
+
+ for file in os.listdir(dirpath):
+ if not isinstance(file, unicode):
+ log.warn(u"File %r is gallery %r is not unicode. Ommiting."\
+ % (file, dirpath) )
+ continue
+
+ name, ext = os.path.splitext(os.path.basename(file))
+
+ if ext.lower() not in [u'.png', u'.jpeg', u'.jpg']:
+ log.info(u"Ignoring: %s %s", name, ext)
+ continue
+
+ url = settings.MEDIA_URL + assoc.subpath + u'/' + file;
+ gallery['pages'].append( quote(url.encode('utf-8')) )
+ gallery['pages'].sort()
+ galleries.append(gallery)
+
+ return galleries
#
# Document Text View
XINCLUDE_REGEXP = r"""<(?:\w+:)?include\s+[^>]*?href=("|')wlrepo://(?P<link>[^\1]+?)\1\s*[^>]*?>"""
#
#
+#
+
class DocumentTextHandler(BaseHandler):
- allowed_methods = ('GET', 'PUT')
+ allowed_methods = ('GET', 'POST')
@hglibrary
- def read(self, request, docid, revision, lib):
- """Read document as raw text"""
+ def read(self, request, docid, lib):
+ """Read document as raw text"""
+ revision = request.GET.get('revision', 'latest')
+ part = request.GET.get('part', False)
+
try:
if revision == 'latest':
document = lib.document(docid)
else:
document = lib.document_for_rev(revision)
+
+ if document.id != docid:
+ return response.BadRequest().django_response({'reason': 'name-mismatch',
+ 'message': 'Provided revision is not valid for this document'})
# TODO: some finer-grained access control
- return document.data('xml')
- except RevisionNotFound:
- return response.EntityNotFound().django_response()
+ if part is False:
+ # we're done :)
+ return document.data('xml')
+ else:
+ xdoc = parser.WLDocument.from_string(document.data('xml'))
+ ptext = xdoc.part_as_text(part)
+
+ if ptext is None:
+ return response.EntityNotFound().django_response({
+ 'reason': 'no-part-in-document'
+ })
+
+ return ptext
+ except librarian.ParseError:
+ return response.EntityNotFound().django_response({
+ 'reason': 'invalid-document-state',
+ 'exception': type(e), 'message': e.message
+ })
+ except (EntryNotFound, RevisionNotFound), e:
+ return response.EntityNotFound().django_response({
+ 'reason': 'not-found',
+ 'exception': type(e), 'message': e.message
+ })
@hglibrary
- def update(self, request, docid, revision, lib):
+ def create(self, request, docid, lib):
try:
- data = request.PUT['contents']
-
- if request.PUT.has_key('message'):
- msg = u"$USER$ " + request.PUT['message']
- else:
- msg = u"$AUTO$ XML content update."
+ revision = request.POST['revision']
current = lib.document(docid, request.user.username)
orig = lib.document_for_rev(revision)
"provided_revision": orig.revision,
"latest_revision": current.revision })
+ if request.POST.has_key('message'):
+ msg = u"$USER$ " + request.POST['message']
+ else:
+ msg = u"$AUTO$ XML content update."
+
+ if request.POST.has_key('contents'):
+ data = request.POST['contents']
+ else:
+ if not request.POST.has_key('chunks'):
+ # bad request
+ return response.BadRequest().django_response({'reason': 'invalid-arguments',
+ 'message': 'No contents nor chunks specified.'})
+
+ # TODO: validate
+ parts = json.loads(request.POST['chunks'])
+ xdoc = parser.WLDocument.from_string(current.data('xml'))
+
+ errors = xdoc.merge_chunks(parts)
+
+ if len(errors):
+ return response.EntityConflict().django_response({
+ "reason": "invalid-chunks",
+ "message": "Unable to merge following parts into the document: %s " % ",".join(errors)
+ })
+
+ data = xdoc.serialize()
+
# try to find any Xinclude tags
includes = [m.groupdict()['link'] for m in (re.finditer(\
XINCLUDE_REGEXP, data, flags=re.UNICODE) or []) ]
+ log.info("INCLUDES: %s", includes)
+
# TODO: provide useful routines to make this simpler
def xml_update_action(lib, resolve):
try:
# now that the parts are ok, write xml
f = lib._fileopen(resolve('xml'), 'w+')
- f.write(data)
+ f.write(data.encode('utf-8'))
f.close()
ndoc = None
"document": ndoc.id,
"subview": "xml",
"previous_revision": current.revision,
- "updated_revision": ndoc.revision,
- "url": reverse("doctext_view", args=[ndoc.id, ndoc.revision])
+ "revision": ndoc.revision,
+ 'timestamp': ndoc.revision.timestamp,
+ "url": reverse("doctext_view", args=[ndoc.id])
})
except Exception, e:
if ndoc: lib._rollback()
raise e
except RevisionNotFound, e:
- return response.EntityNotFound().django_response(e)
+ return response.EntityNotFound(mimetype="text/plain").\
+ django_response(e.message)
+
#
# Dublin Core handlers
# @requires librarian
#
class DocumentDublinCoreHandler(BaseHandler):
- allowed_methods = ('GET', 'PUT')
+ allowed_methods = ('GET', 'POST')
@hglibrary
- def read(self, request, docid, revision, lib):
+ def read(self, request, docid, lib):
"""Read document as raw text"""
try:
+ revision = request.GET.get('revision', 'latest')
+
if revision == 'latest':
doc = lib.document(docid)
else:
doc = lib.document_for_rev(revision)
+
+
+ if document.id != docid:
+ return response.BadRequest().django_response({'reason': 'name-mismatch',
+ 'message': 'Provided revision is not valid for this document'})
bookinfo = dcparser.BookInfo.from_string(doc.data('xml'))
return bookinfo.serialize()
- except RevisionNotFound:
- return response.EntityNotFound().django_response()
+ except (EntryNotFound, RevisionNotFound), e:
+ return response.EntityNotFound().django_response({
+ 'exception': type(e), 'message': e.message})
@hglibrary
- def update(self, request, docid, revision, lib):
+ def create(self, request, docid, lib):
try:
- bi_json = request.PUT['contents']
- if request.PUT.has_key('message'):
+ bi_json = request.POST['contents']
+ revision = request.POST['revision']
+
+ if request.POST.has_key('message'):
msg = u"$USER$ " + request.PUT['message']
else:
msg = u"$AUTO$ Dublin core update."
"document": ndoc.id,
"subview": "dc",
"previous_revision": current.revision,
- "updated_revision": ndoc.revision
+ "revision": ndoc.revision,
+ 'timestamp': ndoc.revision.timestamp,
+ "url": reverse("docdc_view", args=[ndoc.id])
}
except Exception, e:
- lib._rollback()
+ if ndoc: lib._rollback()
raise e
except RevisionNotFound:
return response.EntityNotFound().django_response()
-
-
class MergeHandler(BaseHandler):
allowed_methods = ('POST',)
"provided": target_rev,
"latest": udoc.revision })
- if not request.user.has_perm('explorer.book.can_share'):
+ if not request.user.has_perm('explorer.document.can_share'):
# User is not permitted to make a merge, right away
# So we instead create a pull request in the database
- prq = PullRequest(
- comitter=request.user,
- document=docid,
- source_revision = str(udoc.revision),
- status="N",
- comment = form.cleaned_data['comment'] or '$AUTO$ Document shared.'
- )
-
- prq.save()
- return response.RequestAccepted().django_response(\
- ticket_status=prq.status, \
- ticket_uri=reverse("pullrequest_view", args=[prq.id]) )
+ try:
+ prq, created = PullRequest.get_or_create(
+ source_revision = str(udoc.revision),
+ defaults = {
+ 'comitter': request.user,
+ 'document': docid,
+ 'status': "N",
+ 'comment': form.cleaned_data['message'] or '$AUTO$ Document shared.',
+ }
+ )
+
+ return response.RequestAccepted().django_response(\
+ ticket_status=prq.status, \
+ ticket_uri=reverse("pullrequest_view", args=[prq.id]) )
+ except IntegrityError, e:
+ return response.InternalError().django_response()
if form.cleaned_data['type'] == 'update':
# update is always performed from the file branch
success, changed = udoc.update(request.user.username)
if form.cleaned_data['type'] == 'share':
- success, changed = udoc.share(form.cleaned_data['comment'])
+ success, changed = udoc.share(form.cleaned_data['message'])
if not success:
- return response.EntityConflict().django_response()
+ return response.EntityConflict().django_response({
+ 'reason': 'merge-failure',
+ })
if not changed:
return response.SuccessNoContent().django_response()
- new_udoc = udoc.latest()
+ nudoc = udoc.latest()
return response.SuccessAllOk().django_response({
- "name": udoc.id,
+ "name": nudoc.id,
"parent_user_resivion": udoc.revision,
"parent_revision": doc.revision,
- "revision": udoc.revision,
+ "revision": nudoc.revision,
+ 'timestamp': nudoc.revision.timestamp,
})
fnp / redakcja.git / blobdiff