__doc__ = "Module documentation."
from piston.handler import BaseHandler, AnonymousBaseHandler
+from django.http import HttpResponse
- import re
from datetime import date
from django.core.urlresolvers import reverse
- from django.utils import simplejson as json
from django.db import IntegrityError
import librarian
import librarian.html
+import difflib
+from librarian import dcparser, parser
from wlrepo import *
from api.models import PullRequest
return result
+
+class DiffHandler(BaseHandler):
+ allowed_methods = ('GET',)
+
+ @hglibrary
+ def read(self, request, source_revision, target_revision, lib):
+ '''Return diff between source_revision and target_revision)'''
+ source_document = lib.document_for_rev(source_revision)
+ target_document = lib.document_for_rev(target_revision)
+ print source_document,
+ print target_document
+ diff = difflib.unified_diff(
+ source_document.data('xml').splitlines(True),
+ target_document.data('xml').splitlines(True),
+ 'source',
+ 'target')
+
+ return ''.join(list(diff))
+
+
#
# Document Meta Data
#
return galleries
- #
- # Document Text View
- #
-
- XINCLUDE_REGEXP = r"""<(?:\w+:)?include\s+[^>]*?href=("|')wlrepo://(?P<link>[^\1]+?)\1\s*[^>]*?>"""
- #
- #
- #
-
- class DocumentTextHandler(BaseHandler):
- allowed_methods = ('GET', 'POST')
-
- @validate_form(forms.TextRetrieveForm, 'GET')
- @hglibrary
- def read(self, request, form, docid, lib):
- """Read document as raw text"""
- try:
- revision = form.cleaned_data['revision']
- part = form.cleaned_data['part']
- user = form.cleaned_data['user'] or request.user.username
-
- 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'
- })
-
- if document.owner != user:
- return response.BadRequest().django_response({
- 'reason': 'user-mismatch',
- 'message': "Provided revision doesn't belong to user %s" % user
- })
-
- for error in check_user(request, user):
- return error
-
- if not part:
- return document.data('xml')
-
- xdoc = parser.WLDocument.from_string(document.data('xml'),\
- parse_dublincore=False)
- 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, e:
- 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
- })
-
- @validate_form(forms.TextUpdateForm, 'POST')
- @hglibrary
- def create(self, request, form, docid, lib):
- try:
- revision = form.cleaned_data['revision']
- msg = form.cleaned_data['message']
- user = form.cleaned_data['user'] or request.user.username
-
- # do not allow changing not owned documents
- # (for now... )
-
-
- if user != request.user.username:
- return response.AccessDenied().django_response({
- 'reason': 'insufficient-priviliges',
- })
-
- current = lib.document(docid, user)
- orig = lib.document_for_rev(revision)
-
- if current != orig:
- return response.EntityConflict().django_response({
- "reason": "out-of-date",
- "provided_revision": orig.revision,
- "latest_revision": current.revision })
-
- if form.cleaned_data.has_key('contents'):
- data = form.cleaned_data['contents']
- else:
- chunks = form.cleaned_data['chunks']
- xdoc = parser.WLDocument.from_string(current.data('xml'))
- errors = xdoc.merge_chunks(chunks)
-
- 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:
- f = lib._fileopen(resolve('parts'), 'r')
- stored_includes = json.loads(f.read())
- f.close()
- except:
- stored_includes = []
-
- if stored_includes != includes:
- f = lib._fileopen(resolve('parts'), 'w+')
- f.write(json.dumps(includes))
- f.close()
-
- lib._fileadd(resolve('parts'))
-
- # update the parts cache
- PartCache.update_cache(docid, current.owner,\
- stored_includes, includes)
-
- # now that the parts are ok, write xml
- f = lib._fileopen(resolve('xml'), 'w+')
- f.write(data.encode('utf-8'))
- f.close()
-
- ndoc = None
- ndoc = current.invoke_and_commit(\
- xml_update_action, lambda d: (msg, user) )
-
- try:
- # return the new revision number
- return response.SuccessAllOk().django_response({
- "document": ndoc.id,
- "user": user,
- "subview": "xml",
- "previous_revision": current.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(mimetype="text/plain").\
- django_response(e.message)
#
# update is always performed from the file branch
# to the user branch
user_doc_new = base_doc.update(request.user.username)
+
+ if user_doc_new == user_doc:
+ return response.SuccessAllOk().django_response({
+ "result": "no-op"
+ })
# shared document is the same
doc_new = doc
if not base_doc.up_to_date():
return response.BadRequest().django_response({
"reason": "not-fast-forward",
- "message": "You must first update yout branch to the latest version."
+ "message": "You must first update your branch to the latest version."
+ })
+
+ if base_doc.parentof(doc) or base_doc.has_parent_from(doc):
+ return response.SuccessAllOk().django_response({
+ "result": "no-op"
})
# check for unresolved conflicts
if base_doc.has_conflict_marks():
- return response.BadRequest().django_response({
+ return response.BadRequest().django_response({
"reason": "unresolved-conflicts",
"message": "There are unresolved conflicts in your file. Fix them, and try again."
})
# Same goes for shared view
return response.SuccessAllOk().django_response({
+ "result": "success",
"name": user_doc_new.id,
"user": user_doc_new.owner,