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files.py
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#!/usr/bin/env python
# encoding: utf-8
# files controller for pylons
# Copyright (C) 2009-2010 Marcin Kuzminski <marcin@python-works.com>
# 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; version 2
# of the License or (at your opinion) any later version of the license.
#
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301, USA.
"""
Created on April 21, 2010
files controller for pylons
@author: marcink
"""
from mercurial import archival
from pylons import request, response, session, tmpl_context as c, url
from pylons.controllers.util import redirect
from pylons_app.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator
from pylons_app.lib.base import BaseController, render
from pylons_app.lib.utils import EmptyChangeset, get_repo_slug
from pylons_app.model.hg_model import HgModel
from vcs.exceptions import RepositoryError, ChangesetError
from vcs.nodes import FileNode
from vcs.utils import diffs as differ
import logging
import pylons_app.lib.helpers as h
import tempfile
log = logging.getLogger(__name__)
class FilesController(BaseController):
@LoginRequired()
@HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
'repository.admin')
def __before__(self):
super(FilesController, self).__before__()
def index(self, repo_name, revision, f_path):
hg_model = HgModel()
c.repo = repo = hg_model.get_repo(c.repo_name)
revision = request.POST.get('at_rev', None) or revision
def get_next_rev(cur):
max_rev = len(c.repo.revisions) - 1
r = cur + 1
if r > max_rev:
r = max_rev
return r
def get_prev_rev(cur):
r = cur - 1
return r
c.f_path = f_path
try:
cur_rev = repo.get_changeset(revision).revision
prev_rev = repo.get_changeset(get_prev_rev(cur_rev)).raw_id
next_rev = repo.get_changeset(get_next_rev(cur_rev)).raw_id
c.url_prev = url('files_home', repo_name=c.repo_name,
revision=prev_rev, f_path=f_path)
c.url_next = url('files_home', repo_name=c.repo_name,
revision=next_rev, f_path=f_path)
c.changeset = repo.get_changeset(revision)
c.cur_rev = c.changeset.raw_id
c.rev_nr = c.changeset.revision
c.files_list = c.changeset.get_node(f_path)
c.file_history = self._get_history(repo, c.files_list, f_path)
except (RepositoryError, ChangesetError):
c.files_list = None
return render('files/files.html')
def rawfile(self, repo_name, revision, f_path):
hg_model = HgModel()
c.repo = hg_model.get_repo(c.repo_name)
file_node = c.repo.get_changeset(revision).get_node(f_path)
response.content_type = file_node.mimetype
response.content_disposition = 'attachment; filename=%s' \
% f_path.split('/')[-1]
return file_node.content
def annotate(self, repo_name, revision, f_path):
hg_model = HgModel()
c.repo = hg_model.get_repo(c.repo_name)
cs = c.repo.get_changeset(revision)
c.file = cs.get_node(f_path)
c.file_msg = cs.get_file_message(f_path)
c.cur_rev = cs.raw_id
c.rev_nr = cs.revision
c.f_path = f_path
return render('files/files_annotate.html')
def archivefile(self, repo_name, revision, fileformat):
archive_specs = {
'.tar.bz2': ('application/x-tar', 'tbz2'),
'.tar.gz': ('application/x-tar', 'tgz'),
'.zip': ('application/zip', 'zip'),
}
if not archive_specs.has_key(fileformat):
return 'Unknown archive type %s' % fileformat
def read_in_chunks(file_object, chunk_size=1024 * 40):
"""Lazy function (generator) to read a file piece by piece.
Default chunk size: 40k."""
while True:
data = file_object.read(chunk_size)
if not data:
break
yield data
archive = tempfile.TemporaryFile()
repo = HgModel().get_repo(repo_name).repo
fname = '%s-%s%s' % (repo_name, revision, fileformat)
archival.archive(repo, archive, revision, archive_specs[fileformat][1],
prefix='%s-%s' % (repo_name, revision))
response.content_type = archive_specs[fileformat][0]
response.content_disposition = 'attachment; filename=%s' % fname
archive.seek(0)
return read_in_chunks(archive)
def diff(self, repo_name, f_path):
hg_model = HgModel()
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.repo = hg_model.get_repo(c.repo_name)
try:
if diff1 not in ['', None, 'None', '0' * 12]:
c.changeset_1 = c.repo.get_changeset(diff1)
node1 = c.changeset_1.get_node(f_path)
else:
c.changeset_1 = EmptyChangeset()
node1 = FileNode('.', '')
if diff2 not in ['', None, 'None', '0' * 12]:
c.changeset_2 = c.repo.get_changeset(diff2)
node2 = c.changeset_2.get_node(f_path)
else:
c.changeset_2 = EmptyChangeset()
node2 = FileNode('.', '')
except RepositoryError:
return redirect(url('files_home',
repo_name=c.repo_name, f_path=f_path))
c.diff1 = 'r%s:%s' % (c.changeset_1.revision, c.changeset_1.raw_id)
c.diff2 = 'r%s:%s' % (c.changeset_2.revision, c.changeset_2.raw_id)
f_udiff = differ.get_udiff(node1, node2)
diff = differ.DiffProcessor(f_udiff)
if c.action == 'download':
diff_name = '%s_vs_%s.diff' % (diff1, diff2)
response.content_type = 'text/plain'
response.content_disposition = 'attachment; filename=%s' \
% diff_name
return diff.raw_diff()
elif c.action == 'raw':
c.cur_diff = '<pre class="raw">%s</pre>' % h.escape(diff.raw_diff())
elif c.action == 'diff':
c.cur_diff = diff.as_html()
else:
#default option
c.cur_diff = diff.as_html()
if not c.cur_diff: c.no_changes = True
return render('files/file_diff.html')
def _get_history(self, repo, node, f_path):
from vcs.nodes import NodeKind
if not node.kind is NodeKind.FILE:
return []
changesets = node.history
hist_l = []
for chs in changesets:
n_desc = 'r%s:%s' % (chs.revision, chs._short)
hist_l.append((chs._short, n_desc,))
return hist_l