113 lines
3.8 KiB
Python
113 lines
3.8 KiB
Python
#!/usr/bin/env python3
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# SAT plugin to find URIs
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# Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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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 Affero General Public License for more details.
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from libervia.backend.core.i18n import _
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from libervia.backend.core.constants import Const as C
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from libervia.backend.core.log import getLogger
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from twisted.internet import defer
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import textwrap
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log = getLogger(__name__)
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import json
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import os.path
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import os
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import re
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PLUGIN_INFO = {
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C.PI_NAME: _("URI finder"),
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C.PI_IMPORT_NAME: "uri_finder",
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C.PI_TYPE: "EXP",
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C.PI_PROTOCOLS: [],
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C.PI_DEPENDENCIES: [],
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C.PI_MAIN: "URIFinder",
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C.PI_HANDLER: "no",
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C.PI_DESCRIPTION: textwrap.dedent(
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_(
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"""\
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Plugin to find URIs in well know location.
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This allows to retrieve settings to work with a project (e.g. pubsub node used for merge-requests).
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"""
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)
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),
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}
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SEARCH_FILES = ("readme", "contributing")
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class URIFinder(object):
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def __init__(self, host):
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log.info(_("URI finder plugin initialization"))
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self.host = host
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host.bridge.add_method(
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"uri_find",
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".plugin",
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in_sign="sas",
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out_sign="a{sa{ss}}",
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method=self.find,
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async_=True,
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)
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def find(self, path, keys):
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"""Look for URI in well known locations
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@param path(unicode): path to start with
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@param keys(list[unicode]): keys lookeds after
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e.g.: "tickets", "merge-requests"
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@return (dict[unicode, unicode]): map from key to found uri
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"""
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keys_re = "|".join(keys)
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label_re = r'\"(?P<label>[^\"]+)\"'
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uri_re = re.compile(
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r"(?P<key>{keys_re})[ :]? +(?P<uri>xmpp:\S+)(?:.*use {label_re} label)?".format(
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keys_re=keys_re, label_re=label_re
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),
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re.IGNORECASE
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)
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path = os.path.normpath(path)
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if not os.path.isdir(path) or not os.path.isabs(path):
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raise ValueError("path must be an absolute path to a directory")
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found_uris = {}
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while path != "/":
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for filename in os.listdir(path):
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name, __ = os.path.splitext(filename)
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if name.lower() in SEARCH_FILES:
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file_path = os.path.join(path, filename)
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with open(file_path) as f:
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for m in uri_re.finditer(f.read()):
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key = m.group("key").lower()
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uri = m.group("uri")
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label = m.group("label")
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if key in found_uris:
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log.warning(
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_(
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'Ignoring already found uri for key "{key}"'
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).format(key=key)
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)
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else:
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uri_data = found_uris[key] = {"uri": uri}
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if label is not None:
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uri_data["labels"] = json.dumps([label])
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if found_uris:
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break
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path = os.path.dirname(path)
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return defer.succeed(found_uris)
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