report ChangesetDoesNotExistError as an error but don't lose the repo context

rhodecode/controllers/changelog.py

@@ -1,125 +1,125 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.controllers.changelog
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
     changelog controller for rhodecode
 
     :created_on: Apr 21, 2010
     :author: marcink
     :copyright: (C) 2010-2012 Marcin Kuzminski <[e-mail]>
     :license: GPLv3, see COPYING for more details.
 """
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import logging
 import traceback
 
 from pylons import request, url, session, tmpl_context as c
 from pylons.controllers.util import redirect
 from pylons.i18n.translation import _
 
 import rhodecode.lib.helpers as h
 from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator
 from rhodecode.lib.base import BaseRepoController, render
 from rhodecode.lib.helpers import RepoPage
 from rhodecode.lib.compat import json
 from rhodecode.lib.graphmod import _colored, _dagwalker
 from rhodecode.lib.vcs.exceptions import RepositoryError, ChangesetDoesNotExistError
 from rhodecode.lib.utils2 import safe_int
 
 log = logging.getLogger(__name__)
 
 
 class ChangelogController(BaseRepoController):
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
                                    'repository.admin')
     def __before__(self):
         super(ChangelogController, self).__before__()
         c.affected_files_cut_off = 60
 
     def index(self):
         limit = 100
         default = 20
         if request.params.get('size'):
             try:
                 int_size = int(request.params.get('size'))
             except ValueError:
                 int_size = default
             c.size = max(min(int_size, limit), 1)
             session['changelog_size'] = c.size
             session.save()
         else:
             c.size = int(session.get('changelog_size', default))
         # min size must be 1
         c.size = max(c.size, 1)
         p = safe_int(request.params.get('page', 1), 1)
         branch_name = request.params.get('branch', None)
         try:
             if branch_name:
                 collection = [z for z in
                               c.rhodecode_repo.get_changesets(start=0,
                                                     branch_name=branch_name)]
                 c.total_cs = len(collection)
             else:
                 collection = c.rhodecode_repo
                 c.total_cs = len(c.rhodecode_repo)
 
             c.pagination = RepoPage(collection, page=p, item_count=c.total_cs,
                                     items_per_page=c.size, branch=branch_name)
             collection = list(c.pagination)
             page_revisions = [x.raw_id for x in collection]
             c.comments = c.rhodecode_db_repo.get_comments(page_revisions)
             c.statuses = c.rhodecode_db_repo.statuses(page_revisions)
         except (RepositoryError, ChangesetDoesNotExistError, Exception), e:
             log.error(traceback.format_exc())
-            h.flash(str(e), category='warning')
-            return redirect(url('home'))
+            h.flash(str(e), category='error')
+            return redirect(url('changelog_home', repo_name=c.repo_name))
 
         self._graph(c.rhodecode_repo, collection, c.total_cs, c.size, p)
 
         c.branch_name = branch_name
         c.branch_filters = [('', _('All Branches'))] + \
             [(k, k) for k in c.rhodecode_repo.branches.keys()]
 
         return render('changelog/changelog.html')
 
     def changelog_details(self, cs):
         if request.environ.get('HTTP_X_PARTIAL_XHR'):
             c.cs = c.rhodecode_repo.get_changeset(cs)
             return render('changelog/changelog_details.html')
 
     def _graph(self, repo, collection, repo_size, size, p):
         """
         Generates a DAG graph for mercurial
 
         :param repo: repo instance
         :param size: number of commits to show
         :param p: page number
         """
         if not collection:
             c.jsdata = json.dumps([])
             return
 
         data = []
         revs = [x.revision for x in collection]
 
         dag = _dagwalker(repo, revs, repo.alias)
         dag = _colored(dag)
         for (id, type, ctx, vtx, edges) in dag:
             data.append(['', vtx, edges])
 
         c.jsdata = json.dumps(data)

rhodecode/controllers/changeset.py

@@ -1,404 +1,404 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.controllers.changeset
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
     changeset controller for pylons showoing changes beetween
     revisions
 
     :created_on: Apr 25, 2010
     :author: marcink
     :copyright: (C) 2010-2012 Marcin Kuzminski <[e-mail]>
     :license: GPLv3, see COPYING for more details.
 """
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 import logging
 import traceback
 from collections import defaultdict
 from webob.exc import HTTPForbidden, HTTPBadRequest
 
 from pylons import tmpl_context as c, url, request, response
 from pylons.i18n.translation import _
 from pylons.controllers.util import redirect
 from rhodecode.lib.utils import jsonify
 
 from rhodecode.lib.vcs.exceptions import RepositoryError, \
     ChangesetDoesNotExistError
 
 import rhodecode.lib.helpers as h
 from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator
 from rhodecode.lib.base import BaseRepoController, render
 from rhodecode.lib.utils import action_logger
 from rhodecode.lib.compat import OrderedDict
 from rhodecode.lib import diffs
 from rhodecode.model.db import ChangesetComment, ChangesetStatus
 from rhodecode.model.comment import ChangesetCommentsModel
 from rhodecode.model.changeset_status import ChangesetStatusModel
 from rhodecode.model.meta import Session
 from rhodecode.model.repo import RepoModel
 from rhodecode.lib.diffs import LimitedDiffContainer
 from rhodecode.lib.exceptions import StatusChangeOnClosedPullRequestError
 from rhodecode.lib.vcs.backends.base import EmptyChangeset
 from rhodecode.lib.utils2 import safe_unicode
 
 log = logging.getLogger(__name__)
 
 
 def _update_with_GET(params, GET):
     for k in ['diff1', 'diff2', 'diff']:
         params[k] += GET.getall(k)
 
 
 def anchor_url(revision, path, GET):
     fid = h.FID(revision, path)
     return h.url.current(anchor=fid, **dict(GET))
 
 
 def get_ignore_ws(fid, GET):
     ig_ws_global = GET.get('ignorews')
     ig_ws = filter(lambda k: k.startswith('WS'), GET.getall(fid))
     if ig_ws:
         try:
             return int(ig_ws[0].split(':')[-1])
         except:
             pass
     return ig_ws_global
 
 
 def _ignorews_url(GET, fileid=None):
     fileid = str(fileid) if fileid else None
     params = defaultdict(list)
     _update_with_GET(params, GET)
     lbl = _('show white space')
     ig_ws = get_ignore_ws(fileid, GET)
     ln_ctx = get_line_ctx(fileid, GET)
     # global option
     if fileid is None:
         if ig_ws is None:
             params['ignorews'] += [1]
             lbl = _('ignore white space')
         ctx_key = 'context'
         ctx_val = ln_ctx
     # per file options
     else:
         if ig_ws is None:
             params[fileid] += ['WS:1']
             lbl = _('ignore white space')
 
         ctx_key = fileid
         ctx_val = 'C:%s' % ln_ctx
     # if we have passed in ln_ctx pass it along to our params
     if ln_ctx:
         params[ctx_key] += [ctx_val]
 
     params['anchor'] = fileid
     img = h.image(h.url('/images/icons/text_strikethrough.png'), lbl, class_='icon')
     return h.link_to(img, h.url.current(**params), title=lbl, class_='tooltip')
 
 
 def get_line_ctx(fid, GET):
     ln_ctx_global = GET.get('context')
     if fid:
         ln_ctx = filter(lambda k: k.startswith('C'), GET.getall(fid))
     else:
         _ln_ctx = filter(lambda k: k.startswith('C'), GET)
         ln_ctx = GET.get(_ln_ctx[0]) if _ln_ctx  else ln_ctx_global
         if ln_ctx:
             ln_ctx = [ln_ctx]
 
     if ln_ctx:
         retval = ln_ctx[0].split(':')[-1]
     else:
         retval = ln_ctx_global
 
     try:
         return int(retval)
     except:
         return 3
 
 
 def _context_url(GET, fileid=None):
     """
     Generates url for context lines
 
     :param fileid:
     """
 
     fileid = str(fileid) if fileid else None
     ig_ws = get_ignore_ws(fileid, GET)
     ln_ctx = (get_line_ctx(fileid, GET) or 3) * 2
 
     params = defaultdict(list)
     _update_with_GET(params, GET)
 
     # global option
     if fileid is None:
         if ln_ctx > 0:
             params['context'] += [ln_ctx]
 
         if ig_ws:
             ig_ws_key = 'ignorews'
             ig_ws_val = 1
 
     # per file option
     else:
         params[fileid] += ['C:%s' % ln_ctx]
         ig_ws_key = fileid
         ig_ws_val = 'WS:%s' % 1
 
     if ig_ws:
         params[ig_ws_key] += [ig_ws_val]
 
     lbl = _('%s line context') % ln_ctx
 
     params['anchor'] = fileid
     img = h.image(h.url('/images/icons/table_add.png'), lbl, class_='icon')
     return h.link_to(img, h.url.current(**params), title=lbl, class_='tooltip')
 
 
 class ChangesetController(BaseRepoController):
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
                                    'repository.admin')
     def __before__(self):
         super(ChangesetController, self).__before__()
         c.affected_files_cut_off = 60
         repo_model = RepoModel()
         c.users_array = repo_model.get_users_js()
         c.users_groups_array = repo_model.get_users_groups_js()
 
     def index(self, revision, method='show'):
         c.anchor_url = anchor_url
         c.ignorews_url = _ignorews_url
         c.context_url = _context_url
         c.fulldiff = fulldiff = request.GET.get('fulldiff')
         #get ranges of revisions if preset
         rev_range = revision.split('...')[:2]
         enable_comments = True
         try:
             if len(rev_range) == 2:
                 enable_comments = False
                 rev_start = rev_range[0]
                 rev_end = rev_range[1]
                 rev_ranges = c.rhodecode_repo.get_changesets(start=rev_start,
                                                              end=rev_end)
             else:
                 rev_ranges = [c.rhodecode_repo.get_changeset(revision)]
 
             c.cs_ranges = list(rev_ranges)
             if not c.cs_ranges:
                 raise RepositoryError('Changeset range returned empty result')
 
         except (RepositoryError, ChangesetDoesNotExistError, Exception), e:
             log.error(traceback.format_exc())
-            h.flash(str(e), category='warning')
-            return redirect(url('home'))
+            h.flash(str(e), category='error')
+            return redirect(url('changeset_home', repo_name=c.repo_name))
 
         c.changes = OrderedDict()
 
         c.lines_added = 0  # count of lines added
         c.lines_deleted = 0  # count of lines removes
 
         c.changeset_statuses = ChangesetStatus.STATUSES
         c.comments = []
         c.statuses = []
         c.inline_comments = []
         c.inline_cnt = 0
 
         # Iterate over ranges (default changeset view is always one changeset)
         for changeset in c.cs_ranges:
             inlines = []
             if method == 'show':
                 c.statuses.extend([ChangesetStatusModel().get_status(
                             c.rhodecode_db_repo.repo_id, changeset.raw_id)])
 
                 c.comments.extend(ChangesetCommentsModel()\
                                   .get_comments(c.rhodecode_db_repo.repo_id,
                                                 revision=changeset.raw_id))
 
                 #comments from PR
                 st = ChangesetStatusModel().get_statuses(
                             c.rhodecode_db_repo.repo_id, changeset.raw_id,
                             with_revisions=True)
                 # from associated statuses, check the pull requests, and
                 # show comments from them
 
                 prs = set([x.pull_request for x in
                            filter(lambda x: x.pull_request != None, st)])
 
                 for pr in prs:
                     c.comments.extend(pr.comments)
                 inlines = ChangesetCommentsModel()\
                             .get_inline_comments(c.rhodecode_db_repo.repo_id,
                                                  revision=changeset.raw_id)
                 c.inline_comments.extend(inlines)
 
             c.changes[changeset.raw_id] = []
 
             cs2 = changeset.raw_id
             cs1 = changeset.parents[0].raw_id if changeset.parents else EmptyChangeset()
             context_lcl = get_line_ctx('', request.GET)
             ign_whitespace_lcl = ign_whitespace_lcl = get_ignore_ws('', request.GET)
 
             _diff = c.rhodecode_repo.get_diff(cs1, cs2,
                 ignore_whitespace=ign_whitespace_lcl, context=context_lcl)
             diff_limit = self.cut_off_limit if not fulldiff else None
             diff_processor = diffs.DiffProcessor(_diff,
                                                  vcs=c.rhodecode_repo.alias,
                                                  format='gitdiff',
                                                  diff_limit=diff_limit)
             cs_changes = OrderedDict()
             if method == 'show':
                 _parsed = diff_processor.prepare()
                 c.limited_diff = False
                 if isinstance(_parsed, LimitedDiffContainer):
                     c.limited_diff = True
                 for f in _parsed:
                     st = f['stats']
                     if st[0] != 'b':
                         c.lines_added += st[0]
                         c.lines_deleted += st[1]
                     fid = h.FID(changeset.raw_id, f['filename'])
                     diff = diff_processor.as_html(enable_comments=enable_comments,
                                                   parsed_lines=[f])
                     cs_changes[fid] = [cs1, cs2, f['operation'], f['filename'],
                                        diff, st]
             else:
                 # downloads/raw we only need RAW diff nothing else
                 diff = diff_processor.as_raw()
                 cs_changes[''] = [None, None, None, None, diff, None]
             c.changes[changeset.raw_id] = cs_changes
 
         #sort comments by how they were generated
         c.comments = sorted(c.comments, key=lambda x: x.comment_id)
 
         # count inline comments
         for __, lines in c.inline_comments:
             for comments in lines.values():
                 c.inline_cnt += len(comments)
 
         if len(c.cs_ranges) == 1:
             c.changeset = c.cs_ranges[0]
             c.parent_tmpl = ''.join(['# Parent  %s\n' % x.raw_id
                                      for x in c.changeset.parents])
         if method == 'download':
             response.content_type = 'text/plain'
             response.content_disposition = 'attachment; filename=%s.diff' \
                                             % revision[:12]
             return diff
         elif method == 'patch':
             response.content_type = 'text/plain'
             c.diff = safe_unicode(diff)
             return render('changeset/patch_changeset.html')
         elif method == 'raw':
             response.content_type = 'text/plain'
             return diff
         elif method == 'show':
             if len(c.cs_ranges) == 1:
                 return render('changeset/changeset.html')
             else:
                 return render('changeset/changeset_range.html')
 
     def changeset_raw(self, revision):
         return self.index(revision, method='raw')
 
     def changeset_patch(self, revision):
         return self.index(revision, method='patch')
 
     def changeset_download(self, revision):
         return self.index(revision, method='download')
 
     @jsonify
     def comment(self, repo_name, revision):
         status = request.POST.get('changeset_status')
         change_status = request.POST.get('change_changeset_status')
         text = request.POST.get('text')
         if status and change_status:
             text = text or (_('Status change -> %s')
                             % ChangesetStatus.get_status_lbl(status))
 
         c.co = comm = ChangesetCommentsModel().create(
             text=text,
             repo=c.rhodecode_db_repo.repo_id,
             user=c.rhodecode_user.user_id,
             revision=revision,
             f_path=request.POST.get('f_path'),
             line_no=request.POST.get('line'),
             status_change=(ChangesetStatus.get_status_lbl(status)
                            if status and change_status else None)
         )
 
         # get status if set !
         if status and change_status:
             # if latest status was from pull request and it's closed
             # disallow changing status !
             # dont_allow_on_closed_pull_request = True !
 
             try:
                 ChangesetStatusModel().set_status(
                     c.rhodecode_db_repo.repo_id,
                     status,
                     c.rhodecode_user.user_id,
                     comm,
                     revision=revision,
                     dont_allow_on_closed_pull_request=True
                 )
             except StatusChangeOnClosedPullRequestError:
                 log.error(traceback.format_exc())
                 msg = _('Changing status on a changeset associated with '
                         'a closed pull request is not allowed')
                 h.flash(msg, category='warning')
                 return redirect(h.url('changeset_home', repo_name=repo_name,
                                       revision=revision))
         action_logger(self.rhodecode_user,
                       'user_commented_revision:%s' % revision,
                       c.rhodecode_db_repo, self.ip_addr, self.sa)
 
         Session().commit()
 
         if not request.environ.get('HTTP_X_PARTIAL_XHR'):
             return redirect(h.url('changeset_home', repo_name=repo_name,
                                   revision=revision))
         #only ajax below
         data = {
            'target_id': h.safeid(h.safe_unicode(request.POST.get('f_path'))),
         }
         if comm:
             data.update(comm.get_dict())
             data.update({'rendered_text':
                          render('changeset/changeset_comment_block.html')})
 
         return data
 
     @jsonify
     def delete_comment(self, repo_name, comment_id):
         co = ChangesetComment.get(comment_id)
         owner = co.author.user_id == c.rhodecode_user.user_id
         if h.HasPermissionAny('hg.admin', 'repository.admin')() or owner:
             ChangesetCommentsModel().delete(comment=co)
             Session().commit()
             return True
         else:
             raise HTTPForbidden()
 
     @jsonify
     def changeset_info(self, repo_name, revision):
         if request.is_xhr:
             try:
                 return c.rhodecode_repo.get_changeset(revision)
             except ChangesetDoesNotExistError, e:
                 return EmptyChangeset(message=str(e))
         else:
             raise HTTPBadRequest()

rhodecode/controllers/files.py

@@ -1,650 +1,650 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.controllers.files
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
     Files controller for RhodeCode
 
     :created_on: Apr 21, 2010
     :author: marcink
     :copyright: (C) 2010-2012 Marcin Kuzminski <[e-mail]>
     :license: GPLv3, see COPYING for more details.
 """
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 from __future__ import with_statement
 import os
 import logging
 import traceback
 import tempfile
 import shutil
 
 from pylons import request, response, tmpl_context as c, url
 from pylons.i18n.translation import _
 from pylons.controllers.util import redirect
 from rhodecode.lib.utils import jsonify
 
 from rhodecode.lib import diffs
 from rhodecode.lib import helpers as h
 
 from rhodecode.lib.compat import OrderedDict
 from rhodecode.lib.utils2 import convert_line_endings, detect_mode, safe_str,\
     str2bool
 from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator
 from rhodecode.lib.base import BaseRepoController, render
 from rhodecode.lib.vcs.backends.base import EmptyChangeset
 from rhodecode.lib.vcs.conf import settings
 from rhodecode.lib.vcs.exceptions import RepositoryError, \
     ChangesetDoesNotExistError, EmptyRepositoryError, \
     ImproperArchiveTypeError, VCSError, NodeAlreadyExistsError,\
     NodeDoesNotExistError, ChangesetError, NodeError
 from rhodecode.lib.vcs.nodes import FileNode
 
 from rhodecode.model.repo import RepoModel
 from rhodecode.model.scm import ScmModel
 from rhodecode.model.db import Repository
 
 from rhodecode.controllers.changeset import anchor_url, _ignorews_url,\
     _context_url, get_line_ctx, get_ignore_ws
 
 
 log = logging.getLogger(__name__)
 
 
 class FilesController(BaseRepoController):
 
     def __before__(self):
         super(FilesController, self).__before__()
         c.cut_off_limit = self.cut_off_limit
 
     def __get_cs_or_redirect(self, rev, repo_name, redirect_after=True):
         """
         Safe way to get changeset if error occur it redirects to tip with
         proper message
 
         :param rev: revision to fetch
         :param repo_name: repo name to redirect after
         """
 
         try:
             return c.rhodecode_repo.get_changeset(rev)
         except EmptyRepositoryError, e:
             if not redirect_after:
                 return None
             url_ = url('files_add_home',
                        repo_name=c.repo_name,
                        revision=0, f_path='')
             add_new = h.link_to(_('click here to add new file'), url_)
             h.flash(h.literal(_('There are no files yet %s') % add_new),
                     category='warning')
             redirect(h.url('summary_home', repo_name=repo_name))
 
-        except RepositoryError, e:
-            h.flash(str(e), category='warning')
+        except RepositoryError, e: # including ChangesetDoesNotExistError
+            h.flash(str(e), category='error')
             redirect(h.url('files_home', repo_name=repo_name, revision='tip'))
 
     def __get_filenode_or_redirect(self, repo_name, cs, path):
         """
         Returns file_node, if error occurs or given path is directory,
         it'll redirect to top level path
 
         :param repo_name: repo_name
         :param cs: given changeset
         :param path: path to lookup
         """
 
         try:
             file_node = cs.get_node(path)
             if file_node.is_dir():
                 raise RepositoryError('given path is a directory')
         except RepositoryError, e:
-            h.flash(str(e), category='warning')
+            h.flash(str(e), category='error')
             redirect(h.url('files_home', repo_name=repo_name,
                            revision=cs.raw_id))
 
         return file_node
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
                                    'repository.admin')
     def index(self, repo_name, revision, f_path, annotate=False):
         # redirect to given revision from form if given
         post_revision = request.POST.get('at_rev', None)
         if post_revision:
             cs = self.__get_cs_or_redirect(post_revision, repo_name)
             redirect(url('files_home', repo_name=c.repo_name,
                          revision=cs.raw_id, f_path=f_path))
 
         c.changeset = self.__get_cs_or_redirect(revision, repo_name)
         c.branch = request.GET.get('branch', None)
         c.f_path = f_path
         c.annotate = annotate
         c.changeset = self.__get_cs_or_redirect(revision, repo_name)
         cur_rev = c.changeset.revision
 
         # prev link
         try:
             prev_rev = c.rhodecode_repo.get_changeset(cur_rev).prev(c.branch)
             c.url_prev = url('files_home', repo_name=c.repo_name,
                          revision=prev_rev.raw_id, f_path=f_path)
             if c.branch:
                 c.url_prev += '?branch=%s' % c.branch
         except (ChangesetDoesNotExistError, VCSError):
             c.url_prev = '#'
 
         # next link
         try:
             next_rev = c.rhodecode_repo.get_changeset(cur_rev).next(c.branch)
             c.url_next = url('files_home', repo_name=c.repo_name,
                      revision=next_rev.raw_id, f_path=f_path)
             if c.branch:
                 c.url_next += '?branch=%s' % c.branch
         except (ChangesetDoesNotExistError, VCSError):
             c.url_next = '#'
 
         # files or dirs
         try:
             c.file = c.changeset.get_node(f_path)
 
             if c.file.is_file():
                 c.load_full_history = False
                 file_last_cs = c.file.last_changeset
                 c.file_changeset = (c.changeset
                                     if c.changeset.revision < file_last_cs.revision
                                     else file_last_cs)
                 #determine if we're on branch head
                 _branches = c.rhodecode_repo.branches
                 c.on_branch_head = revision in _branches.keys() + _branches.values()
                 _hist = []
                 c.file_history = []
                 if c.load_full_history:
                     c.file_history, _hist = self._get_node_history(c.changeset, f_path)
 
                 c.authors = []
                 for a in set([x.author for x in _hist]):
                     c.authors.append((h.email(a), h.person(a)))
             else:
                 c.authors = c.file_history = []
         except RepositoryError, e:
             h.flash(str(e), category='warning')
             redirect(h.url('files_home', repo_name=repo_name,
                            revision='tip'))
 
         if request.environ.get('HTTP_X_PARTIAL_XHR'):
             return render('files/files_ypjax.html')
 
         return render('files/files.html')
 
     def history(self, repo_name, revision, f_path, annotate=False):
         if request.environ.get('HTTP_X_PARTIAL_XHR'):
             c.changeset = self.__get_cs_or_redirect(revision, repo_name)
             c.f_path = f_path
             c.annotate = annotate
             c.file = c.changeset.get_node(f_path)
             if c.file.is_file():
                 file_last_cs = c.file.last_changeset
                 c.file_changeset = (c.changeset
                                     if c.changeset.revision < file_last_cs.revision
                                     else file_last_cs)
                 c.file_history, _hist = self._get_node_history(c.changeset, f_path)
                 c.authors = []
                 for a in set([x.author for x in _hist]):
                     c.authors.append((h.email(a), h.person(a)))
                 return render('files/files_history_box.html')
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
                                    'repository.admin')
     def rawfile(self, repo_name, revision, f_path):
         cs = self.__get_cs_or_redirect(revision, repo_name)
         file_node = self.__get_filenode_or_redirect(repo_name, cs, f_path)
 
         response.content_disposition = 'attachment; filename=%s' % \
             safe_str(f_path.split(Repository.url_sep())[-1])
 
         response.content_type = file_node.mimetype
         return file_node.content
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
                                    'repository.admin')
     def raw(self, repo_name, revision, f_path):
         cs = self.__get_cs_or_redirect(revision, repo_name)
         file_node = self.__get_filenode_or_redirect(repo_name, cs, f_path)
 
         raw_mimetype_mapping = {
             # map original mimetype to a mimetype used for "show as raw"
             # you can also provide a content-disposition to override the
             # default "attachment" disposition.
             # orig_type: (new_type, new_dispo)
 
             # show images inline:
             'image/x-icon': ('image/x-icon', 'inline'),
             'image/png': ('image/png', 'inline'),
             'image/gif': ('image/gif', 'inline'),
             'image/jpeg': ('image/jpeg', 'inline'),
             'image/svg+xml': ('image/svg+xml', 'inline'),
         }
 
         mimetype = file_node.mimetype
         try:
             mimetype, dispo = raw_mimetype_mapping[mimetype]
         except KeyError:
             # we don't know anything special about this, handle it safely
             if file_node.is_binary:
                 # do same as download raw for binary files
                 mimetype, dispo = 'application/octet-stream', 'attachment'
             else:
                 # do not just use the original mimetype, but force text/plain,
                 # otherwise it would serve text/html and that might be unsafe.
                 # Note: underlying vcs library fakes text/plain mimetype if the
                 # mimetype can not be determined and it thinks it is not
                 # binary.This might lead to erroneous text display in some
                 # cases, but helps in other cases, like with text files
                 # without extension.
                 mimetype, dispo = 'text/plain', 'inline'
 
         if dispo == 'attachment':
             dispo = 'attachment; filename=%s' % \
                         safe_str(f_path.split(os.sep)[-1])
 
         response.content_disposition = dispo
         response.content_type = mimetype
         return file_node.content
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.write', 'repository.admin')
     def edit(self, repo_name, revision, f_path):
         repo = c.rhodecode_db_repo
         if repo.enable_locking and repo.locked[0]:
             h.flash(_('This repository is has been locked by %s on %s')
                 % (h.person_by_id(repo.locked[0]),
                    h.fmt_date(h.time_to_datetime(repo.locked[1]))),
                   'warning')
             return redirect(h.url('files_home',
                                   repo_name=repo_name, revision='tip'))
 
         # check if revision is a branch identifier- basically we cannot
         # create multiple heads via file editing
         _branches = repo.scm_instance.branches
         # check if revision is a branch name or branch hash
         if revision not in _branches.keys() + _branches.values():
             h.flash(_('You can only edit files with revision '
                       'being a valid branch '), category='warning')
             return redirect(h.url('files_home',
                                   repo_name=repo_name, revision='tip',
                                   f_path=f_path))
 
         r_post = request.POST
 
         c.cs = self.__get_cs_or_redirect(revision, repo_name)
         c.file = self.__get_filenode_or_redirect(repo_name, c.cs, f_path)
 
         if c.file.is_binary:
             return redirect(url('files_home', repo_name=c.repo_name,
                          revision=c.cs.raw_id, f_path=f_path))
         c.default_message = _('Edited file %s via RhodeCode') % (f_path)
         c.f_path = f_path
 
         if r_post:
 
             old_content = c.file.content
             sl = old_content.splitlines(1)
             first_line = sl[0] if sl else ''
             # modes:  0 - Unix, 1 - Mac, 2 - DOS
             mode = detect_mode(first_line, 0)
             content = convert_line_endings(r_post.get('content'), mode)
 
             message = r_post.get('message') or c.default_message
             author = self.rhodecode_user.full_contact
 
             if content == old_content:
                 h.flash(_('No changes'),
                     category='warning')
                 return redirect(url('changeset_home', repo_name=c.repo_name,
                                     revision='tip'))
             try:
                 self.scm_model.commit_change(repo=c.rhodecode_repo,
                                              repo_name=repo_name, cs=c.cs,
                                              user=self.rhodecode_user.user_id,
                                              author=author, message=message,
                                              content=content, f_path=f_path)
                 h.flash(_('Successfully committed to %s') % f_path,
                         category='success')
 
             except Exception:
                 log.error(traceback.format_exc())
                 h.flash(_('Error occurred during commit'), category='error')
             return redirect(url('changeset_home',
                                 repo_name=c.repo_name, revision='tip'))
 
         return render('files/files_edit.html')
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.write', 'repository.admin')
     def add(self, repo_name, revision, f_path):
 
         repo = Repository.get_by_repo_name(repo_name)
         if repo.enable_locking and repo.locked[0]:
             h.flash(_('This repository is has been locked by %s on %s')
                 % (h.person_by_id(repo.locked[0]),
                    h.fmt_date(h.time_to_datetime(repo.locked[1]))),
                   'warning')
             return redirect(h.url('files_home',
                                   repo_name=repo_name, revision='tip'))
 
         r_post = request.POST
         c.cs = self.__get_cs_or_redirect(revision, repo_name,
                                          redirect_after=False)
         if c.cs is None:
             c.cs = EmptyChangeset(alias=c.rhodecode_repo.alias)
         c.default_message = (_('Added file via RhodeCode'))
         c.f_path = f_path
 
         if r_post:
             unix_mode = 0
             content = convert_line_endings(r_post.get('content'), unix_mode)
 
             message = r_post.get('message') or c.default_message
             filename = r_post.get('filename')
             location = r_post.get('location')
             file_obj = r_post.get('upload_file', None)
 
             if file_obj is not None and hasattr(file_obj, 'filename'):
                 filename = file_obj.filename
                 content = file_obj.file
 
             if not content:
                 h.flash(_('No content'), category='warning')
                 return redirect(url('changeset_home', repo_name=c.repo_name,
                                     revision='tip'))
             if not filename:
                 h.flash(_('No filename'), category='warning')
                 return redirect(url('changeset_home', repo_name=c.repo_name,
                                     revision='tip'))
             if location.startswith('/') or location.startswith('.') or '../' in location:
                 h.flash(_('location must be relative path and must not '
                           'contain .. in path'), category='warning')
                 return redirect(url('changeset_home', repo_name=c.repo_name,
                                     revision='tip'))
             location = os.path.normpath(location)
             filename = os.path.basename(filename)
             node_path = os.path.join(location, filename)
             author = self.rhodecode_user.full_contact
 
             try:
                 self.scm_model.create_node(repo=c.rhodecode_repo,
                                            repo_name=repo_name, cs=c.cs,
                                            user=self.rhodecode_user.user_id,
                                            author=author, message=message,
                                            content=content, f_path=node_path)
                 h.flash(_('Successfully committed to %s') % node_path,
                         category='success')
             except (NodeError, NodeAlreadyExistsError), e:
                 h.flash(_(e), category='error')
             except Exception:
                 log.error(traceback.format_exc())
                 h.flash(_('Error occurred during commit'), category='error')
             return redirect(url('changeset_home',
                                 repo_name=c.repo_name, revision='tip'))
 
         return render('files/files_add.html')
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
                                    'repository.admin')
     def archivefile(self, repo_name, fname):
 
         fileformat = None
         revision = None
         ext = None
         subrepos = request.GET.get('subrepos') == 'true'
 
         for a_type, ext_data in settings.ARCHIVE_SPECS.items():
             archive_spec = fname.split(ext_data[1])
             if len(archive_spec) == 2 and archive_spec[1] == '':
                 fileformat = a_type or ext_data[1]
                 revision = archive_spec[0]
                 ext = ext_data[1]
 
         try:
             dbrepo = RepoModel().get_by_repo_name(repo_name)
             if dbrepo.enable_downloads is False:
                 return _('downloads disabled')
 
             if c.rhodecode_repo.alias == 'hg':
                 # patch and reset hooks section of UI config to not run any
                 # hooks on fetching archives with subrepos
                 for k, v in c.rhodecode_repo._repo.ui.configitems('hooks'):
                     c.rhodecode_repo._repo.ui.setconfig('hooks', k, None)
 
             cs = c.rhodecode_repo.get_changeset(revision)
             content_type = settings.ARCHIVE_SPECS[fileformat][0]
         except ChangesetDoesNotExistError:
             return _('Unknown revision %s') % revision
         except EmptyRepositoryError:
             return _('Empty repository')
         except (ImproperArchiveTypeError, KeyError):
             return _('Unknown archive type')
         # archive cache
         from rhodecode import CONFIG
         rev_name = cs.raw_id[:12]
         archive_name = '%s-%s%s' % (safe_str(repo_name.replace('/', '_')),
                                     safe_str(rev_name), ext)
 
         use_cached_archive = False  # defines if we use cached version of archive
         archive_cache_enabled = CONFIG.get('archive_cache_dir')
         if not subrepos and archive_cache_enabled:
             #check if we it's ok to write
             if not os.path.isdir(CONFIG['archive_cache_dir']):
                 os.makedirs(CONFIG['archive_cache_dir'])
             cached_archive_path = os.path.join(CONFIG['archive_cache_dir'], archive_name)
             if os.path.isfile(cached_archive_path):
                 log.debug('Found cached archive in %s' % cached_archive_path)
                 fd, archive = None, cached_archive_path
                 use_cached_archive = True
             else:
                 log.debug('Archive %s is not yet cached' % (archive_name))
 
         if not use_cached_archive:
             #generate new archive
             try:
                 fd, archive = tempfile.mkstemp()
                 t = open(archive, 'wb')
                 log.debug('Creating new temp archive in %s' % archive)
                 cs.fill_archive(stream=t, kind=fileformat, subrepos=subrepos)
                 if archive_cache_enabled:
                     #if we generated the archive and use cache rename that
                     log.debug('Storing new archive in %s' % cached_archive_path)
                     shutil.move(archive, cached_archive_path)
                     archive = cached_archive_path
             finally:
                 t.close()
 
         def get_chunked_archive(archive):
             stream = open(archive, 'rb')
             while True:
                 data = stream.read(16 * 1024)
                 if not data:
                     stream.close()
                     if fd:  # fd means we used temporary file
                         os.close(fd)
                     if not archive_cache_enabled:
                         log.debug('Destroing temp archive %s' % archive)
                         os.remove(archive)
                     break
                 yield data
 
         response.content_disposition = str('attachment; filename=%s' % (archive_name))
         response.content_type = str(content_type)
         return get_chunked_archive(archive)
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
                                    'repository.admin')
     def diff(self, repo_name, f_path):
         ignore_whitespace = request.GET.get('ignorews') == '1'
         line_context = request.GET.get('context', 3)
         diff1 = request.GET.get('diff1', '')
         diff2 = request.GET.get('diff2', '')
         c.action = request.GET.get('diff')
         c.no_changes = diff1 == diff2
         c.f_path = f_path
         c.big_diff = False
         c.anchor_url = anchor_url
         c.ignorews_url = _ignorews_url
         c.context_url = _context_url
         c.changes = OrderedDict()
         c.changes[diff2] = []
 
         #special case if we want a show rev only, it's impl here
         #to reduce JS and callbacks
 
         if request.GET.get('show_rev'):
             if str2bool(request.GET.get('annotate', 'False')):
                 _url = url('files_annotate_home', repo_name=c.repo_name,
                            revision=diff1, f_path=c.f_path)
             else:
                 _url = url('files_home', repo_name=c.repo_name,
                            revision=diff1, f_path=c.f_path)
 
             return redirect(_url)
         try:
             if diff1 not in ['', None, 'None', '0' * 12, '0' * 40]:
                 c.changeset_1 = c.rhodecode_repo.get_changeset(diff1)
                 try:
                     node1 = c.changeset_1.get_node(f_path)
                     if node1.is_dir():
                         raise NodeError('%s path is a %s not a file'
                                         % (node1, type(node1)))
                 except NodeDoesNotExistError:
                     c.changeset_1 = EmptyChangeset(cs=diff1,
                                                    revision=c.changeset_1.revision,
                                                    repo=c.rhodecode_repo)
                     node1 = FileNode(f_path, '', changeset=c.changeset_1)
             else:
                 c.changeset_1 = EmptyChangeset(repo=c.rhodecode_repo)
                 node1 = FileNode(f_path, '', changeset=c.changeset_1)
 
             if diff2 not in ['', None, 'None', '0' * 12, '0' * 40]:
                 c.changeset_2 = c.rhodecode_repo.get_changeset(diff2)
                 try:
                     node2 = c.changeset_2.get_node(f_path)
                     if node2.is_dir():
                         raise NodeError('%s path is a %s not a file'
                                         % (node2, type(node2)))
                 except NodeDoesNotExistError:
                     c.changeset_2 = EmptyChangeset(cs=diff2,
                                                    revision=c.changeset_2.revision,
                                                    repo=c.rhodecode_repo)
                     node2 = FileNode(f_path, '', changeset=c.changeset_2)
             else:
                 c.changeset_2 = EmptyChangeset(repo=c.rhodecode_repo)
                 node2 = FileNode(f_path, '', changeset=c.changeset_2)
         except (RepositoryError, NodeError):
             log.error(traceback.format_exc())
             return redirect(url('files_home', repo_name=c.repo_name,
                                 f_path=f_path))
 
         if c.action == 'download':
             _diff = diffs.get_gitdiff(node1, node2,
                                       ignore_whitespace=ignore_whitespace,
                                       context=line_context)
             diff = diffs.DiffProcessor(_diff, format='gitdiff')
 
             diff_name = '%s_vs_%s.diff' % (diff1, diff2)
             response.content_type = 'text/plain'
             response.content_disposition = (
                 'attachment; filename=%s' % diff_name
             )
             return diff.as_raw()
 
         elif c.action == 'raw':
             _diff = diffs.get_gitdiff(node1, node2,
                                       ignore_whitespace=ignore_whitespace,
                                       context=line_context)
             diff = diffs.DiffProcessor(_diff, format='gitdiff')
             response.content_type = 'text/plain'
             return diff.as_raw()
 
         else:
             fid = h.FID(diff2, node2.path)
             line_context_lcl = get_line_ctx(fid, request.GET)
             ign_whitespace_lcl = get_ignore_ws(fid, request.GET)
 
             lim = request.GET.get('fulldiff') or self.cut_off_limit
             _, cs1, cs2, diff, st = diffs.wrapped_diff(filenode_old=node1,
                                          filenode_new=node2,
                                          cut_off_limit=lim,
                                          ignore_whitespace=ign_whitespace_lcl,
                                          line_context=line_context_lcl,
                                          enable_comments=False)
             op = ''
             filename = node1.path
             cs_changes = {
                 'fid': [cs1, cs2, op, filename, diff, st]
             }
             c.changes = cs_changes
 
         return render('files/file_diff.html')
 
     def _get_node_history(self, cs, f_path, changesets=None):
         """
         get changesets history for given node
 
         :param cs: changeset to calculate history
         :param f_path: path for node to calculate history for
         :param changesets: if passed don't calculate history and take
             changesets defined in this list
         """
         # calculate history based on tip
         tip_cs = c.rhodecode_repo.get_changeset()
         if changesets is None:
             try:
                 changesets = tip_cs.get_file_history(f_path)
             except (NodeDoesNotExistError, ChangesetError):
                 #this node is not present at tip !
                 changesets = cs.get_file_history(f_path)
         hist_l = []
 
         changesets_group = ([], _("Changesets"))
         branches_group = ([], _("Branches"))
         tags_group = ([], _("Tags"))
         _hg = cs.repository.alias == 'hg'
         for chs in changesets:
             #_branch = '(%s)' % chs.branch if _hg else ''
             _branch = chs.branch
             n_desc = 'r%s:%s (%s)' % (chs.revision, chs.short_id, _branch)
             changesets_group[0].append((chs.raw_id, n_desc,))
         hist_l.append(changesets_group)
 
         for name, chs in c.rhodecode_repo.branches.items():
             branches_group[0].append((chs, name),)
         hist_l.append(branches_group)
 
         for name, chs in c.rhodecode_repo.tags.items():
             tags_group[0].append((chs, name),)
         hist_l.append(tags_group)
 
         return hist_l, changesets
 
     @LoginRequired()
     @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
                                    'repository.admin')
     @jsonify
     def nodelist(self, repo_name, revision, f_path):
         if request.environ.get('HTTP_X_PARTIAL_XHR'):
             cs = self.__get_cs_or_redirect(revision, repo_name)
             _d, _f = ScmModel().get_nodes(repo_name, cs.raw_id, f_path,
                                           flat=False)
             return {'nodes': _d + _f}