libervia-backend/sat/plugins/plugin_misc_uri_finder.py
2019-01-12 12:25:31 +01:00

96 lines
3.5 KiB
Python
Executable file

#!/usr/bin/env python2
# -*- coding: utf-8 -*-
# SAT plugin to find URIs
# Copyright (C) 2009-2019 Jérôme Poisson (goffi@goffi.org)
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from sat.core.i18n import _
from sat.core.constants import Const as C
from sat.core.log import getLogger
from twisted.internet import defer
import textwrap
log = getLogger(__name__)
import json
import os.path
import os
import re
PLUGIN_INFO = {
C.PI_NAME: _("URI finder"),
C.PI_IMPORT_NAME: "uri_finder",
C.PI_TYPE: "EXP",
C.PI_PROTOCOLS: [],
C.PI_DEPENDENCIES: [],
C.PI_MAIN: "URIFinder",
C.PI_HANDLER: "no",
C.PI_DESCRIPTION: textwrap.dedent(_(u"""\
Plugin to find URIs in well know location.
This allows to retrieve settings to work with a project (e.g. pubsub node used for merge-requests).
"""))
}
SEARCH_FILES = ('readme', 'contributing')
class URIFinder(object):
def __init__(self, host):
log.info(_(u"URI finder plugin initialization"))
self.host = host
host.bridge.addMethod("URIFind", ".plugin",
in_sign='sas', out_sign='a{sa{ss}}',
method=self.find,
async=True)
def find(self, path, keys):
"""Look for URI in well known locations
@param path(unicode): path to start with
@param keys(list[unicode]): keys lookeds after
e.g.: "tickets", "merge-requests"
@return (dict[unicode, unicode]): map from key to found uri
"""
keys_re = u'|'.join(keys)
label_re = r'"(?P<label>[^"]+)"'
uri_re = re.compile(ur'(?P<key>{keys_re})[ :]? +(?P<uri>xmpp:\S+)(?:.*use {label_re} label)?'.format(
keys_re=keys_re, label_re = label_re))
path = os.path.normpath(path)
if not os.path.isdir(path) or not os.path.isabs(path):
raise ValueError(u'path must be an absolute path to a directory')
found_uris = {}
while path != u'/':
for filename in os.listdir(path):
name, __ = os.path.splitext(filename)
if name.lower() in SEARCH_FILES:
file_path = os.path.join(path, filename)
with open(file_path) as f:
for m in uri_re.finditer(f.read()):
key = m.group(u'key')
uri = m.group(u'uri')
label = m.group(u'label')
if key in found_uris:
log.warning(_(u"Ignoring already found uri for key \"{key}\"").format(key=key))
else:
uri_data = found_uris[key] = {u'uri': uri}
if label is not None:
uri_data[u'labels'] = json.dumps([label])
if found_uris:
break
path = os.path.dirname(path)
return defer.succeed(found_uris)