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#!/usr/bin/env python
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# encoding: utf-8
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# files controller for pylons
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# Copyright (C) 2009-2010 Marcin Kuzminski <marcin@python-works.com>
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; version 2
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# of the License or (at your opinion) any later version of the license.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301, USA.
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"""
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Created on April 21, 2010
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files controller for pylons
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@author: marcink
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"""
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from mercurial import archival
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from pylons import request, response, session, tmpl_context as c, url
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from pylons.i18n.translation import _
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from pylons.controllers.util import redirect
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from pylons_app.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator
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from pylons_app.lib.base import BaseController, render
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from pylons_app.lib.utils import EmptyChangeset
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from pylons_app.model.hg_model import HgModel
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from vcs.exceptions import RepositoryError, ChangesetError
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from vcs.nodes import FileNode
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from vcs.utils import diffs as differ
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import logging
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import pylons_app.lib.helpers as h
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import tempfile
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log = logging.getLogger(__name__)
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class FilesController(BaseController):
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@LoginRequired()
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@HasRepoPermissionAnyDecorator('repository.read', 'repository.write',
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'repository.admin')
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def __before__(self):
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super(FilesController, self).__before__()
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c.file_size_limit = 250 * 1024 #limit of file size to display
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def index(self, repo_name, revision, f_path):
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hg_model = HgModel()
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c.repo = repo = hg_model.get_repo(c.repo_name)
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revision = request.POST.get('at_rev', None) or revision
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def get_next_rev(cur):
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max_rev = len(c.repo.revisions) - 1
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r = cur + 1
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if r > max_rev:
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r = max_rev
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return r
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def get_prev_rev(cur):
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r = cur - 1
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return r
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c.f_path = f_path
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try:
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cur_rev = repo.get_changeset(revision).revision
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prev_rev = repo.get_changeset(get_prev_rev(cur_rev)).short_id
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next_rev = repo.get_changeset(get_next_rev(cur_rev)).short_id
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c.url_prev = url('files_home', repo_name=c.repo_name,
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revision=prev_rev, f_path=f_path)
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c.url_next = url('files_home', repo_name=c.repo_name,
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revision=next_rev, f_path=f_path)
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c.changeset = repo.get_changeset(revision)
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c.cur_rev = c.changeset.short_id
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c.rev_nr = c.changeset.revision
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c.files_list = c.changeset.get_node(f_path)
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c.file_history = self._get_history(repo, c.files_list, f_path)
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except (RepositoryError, ChangesetError):
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c.files_list = None
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return render('files/files.html')
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def rawfile(self, repo_name, revision, f_path):
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hg_model = HgModel()
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c.repo = hg_model.get_repo(c.repo_name)
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file_node = c.repo.get_changeset(revision).get_node(f_path)
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response.content_type = file_node.mimetype
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response.content_disposition = 'attachment; filename=%s' \
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% f_path.split('/')[-1]
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return file_node.content
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def raw(self, repo_name, revision, f_path):
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hg_model = HgModel()
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c.repo = hg_model.get_repo(c.repo_name)
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file_node = c.repo.get_changeset(revision).get_node(f_path)
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response.content_type = 'text/plain'
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return file_node.content
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def annotate(self, repo_name, revision, f_path):
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hg_model = HgModel()
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c.repo = hg_model.get_repo(c.repo_name)
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cs = c.repo.get_changeset(revision)
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c.file = cs.get_node(f_path)
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c.file_msg = cs.get_file_message(f_path)
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c.cur_rev = cs.short_id
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c.rev_nr = cs.revision
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c.f_path = f_path
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return render('files/files_annotate.html')
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def archivefile(self, repo_name, revision, fileformat):
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archive_specs = {
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'.tar.bz2': ('application/x-tar', 'tbz2'),
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'.tar.gz': ('application/x-tar', 'tgz'),
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'.zip': ('application/zip', 'zip'),
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}
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if not archive_specs.has_key(fileformat):
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return 'Unknown archive type %s' % fileformat
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def read_in_chunks(file_object, chunk_size=1024 * 40):
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"""Lazy function (generator) to read a file piece by piece.
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Default chunk size: 40k."""
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while True:
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data = file_object.read(chunk_size)
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if not data:
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break
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yield data
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archive = tempfile.TemporaryFile()
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repo = HgModel().get_repo(repo_name).repo
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fname = '%s-%s%s' % (repo_name, revision, fileformat)
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archival.archive(repo, archive, revision, archive_specs[fileformat][1],
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prefix='%s-%s' % (repo_name, revision))
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response.content_type = archive_specs[fileformat][0]
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response.content_disposition = 'attachment; filename=%s' % fname
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archive.seek(0)
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return read_in_chunks(archive)
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def diff(self, repo_name, f_path):
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hg_model = HgModel()
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diff1 = request.GET.get('diff1')
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diff2 = request.GET.get('diff2')
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c.action = request.GET.get('diff')
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c.no_changes = diff1 == diff2
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c.f_path = f_path
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c.repo = hg_model.get_repo(c.repo_name)
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try:
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if diff1 not in ['', None, 'None', '0' * 12, '0' * 40]:
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c.changeset_1 = c.repo.get_changeset(diff1)
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node1 = c.changeset_1.get_node(f_path)
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else:
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c.changeset_1 = EmptyChangeset()
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node1 = FileNode('.', '', changeset=c.changeset_1)
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if diff2 not in ['', None, 'None', '0' * 12, '0' * 40]:
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c.changeset_2 = c.repo.get_changeset(diff2)
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node2 = c.changeset_2.get_node(f_path)
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else:
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c.changeset_2 = EmptyChangeset()
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node2 = FileNode('.', '', changeset=c.changeset_2)
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except RepositoryError:
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return redirect(url('files_home',
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repo_name=c.repo_name, f_path=f_path))
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c.diff1 = 'r%s:%s' % (c.changeset_1.revision, c.changeset_1.short_id)
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c.diff2 = 'r%s:%s' % (c.changeset_2.revision, c.changeset_2.short_id)
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f_udiff = differ.get_udiff(node1, node2)
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diff = differ.DiffProcessor(f_udiff)
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if c.action == 'download':
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diff_name = '%s_vs_%s.diff' % (diff1, diff2)
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response.content_type = 'text/plain'
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response.content_disposition = 'attachment; filename=%s' \
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% diff_name
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return diff.raw_diff()
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elif c.action == 'raw':
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c.cur_diff = '<pre class="raw">%s</pre>' % h.escape(diff.raw_diff())
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elif c.action == 'diff':
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if node1.size > c.file_size_limit or node2.size > c.file_size_limit:
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c.cur_diff = _('Diff is to big to display')
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else:
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c.cur_diff = diff.as_html()
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else:
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#default option
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if node1.size > c.file_size_limit or node2.size > c.file_size_limit:
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c.cur_diff = _('Diff is to big to display')
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else:
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c.cur_diff = diff.as_html()
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if not c.cur_diff: c.no_changes = True
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return render('files/file_diff.html')
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def _get_history(self, repo, node, f_path):
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from vcs.nodes import NodeKind
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if not node.kind is NodeKind.FILE:
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return []
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changesets = node.history
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hist_l = []
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for chs in changesets:
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n_desc = 'r%s:%s' % (chs.revision, chs.short_id)
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hist_l.append((chs.short_id, n_desc,))
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return hist_l
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