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repo-caches: moved view into pyramid.
repo-caches: moved view into pyramid.

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subscribers.py
312 lines | 9.9 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
# Copyright (C) 2010-2017 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# 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 Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/
import io
import re
import datetime
import logging
import pylons
import Queue
import subprocess32
import os
from pyramid.i18n import get_localizer
from pyramid.threadlocal import get_current_request
from pyramid.interfaces import IRoutesMapper
from pyramid.settings import asbool
from pyramid.path import AssetResolver
from threading import Thread
from rhodecode.translation import _ as tsf
from rhodecode.config.jsroutes import generate_jsroutes_content
import rhodecode
from pylons.i18n.translation import _get_translator
from pylons.util import ContextObj
from routes.util import URLGenerator
from rhodecode.lib.base import attach_context_attributes, get_auth_user
log = logging.getLogger(__name__)
def add_renderer_globals(event):
# Put pylons stuff into the context. This will be removed as soon as
# migration to pyramid is finished.
conf = pylons.config._current_obj()
event['h'] = conf.get('pylons.h')
event['c'] = pylons.tmpl_context
event['url'] = pylons.url
# TODO: When executed in pyramid view context the request is not available
# in the event. Find a better solution to get the request.
request = event['request'] or get_current_request()
# Add Pyramid translation as '_' to context
event['_'] = request.translate
event['_ungettext'] = request.plularize
def add_localizer(event):
request = event.request
localizer = get_localizer(request)
def auto_translate(*args, **kwargs):
return localizer.translate(tsf(*args, **kwargs))
request.localizer = localizer
request.translate = auto_translate
request.plularize = localizer.pluralize
def set_user_lang(event):
request = event.request
cur_user = getattr(request, 'user', None)
if cur_user:
user_lang = cur_user.get_instance().user_data.get('language')
if user_lang:
log.debug('lang: setting current user:%s language to: %s', cur_user, user_lang)
event.request._LOCALE_ = user_lang
def add_pylons_context(event):
request = event.request
config = rhodecode.CONFIG
environ = request.environ
session = request.session
if hasattr(request, 'vcs_call'):
# skip vcs calls
return
# Setup pylons globals.
pylons.config._push_object(config)
pylons.request._push_object(request)
pylons.session._push_object(session)
pylons.translator._push_object(_get_translator(config.get('lang')))
pylons.url._push_object(URLGenerator(config['routes.map'], environ))
session_key = (
config['pylons.environ_config'].get('session', 'beaker.session'))
environ[session_key] = session
if hasattr(request, 'rpc_method'):
# skip api calls
return
# Get the rhodecode auth user object and make it available.
auth_user = get_auth_user(environ)
request.user = auth_user
environ['rc_auth_user'] = auth_user
# Setup the pylons context object ('c')
context = ContextObj()
context.rhodecode_user = auth_user
attach_context_attributes(context, request)
pylons.tmpl_context._push_object(context)
def scan_repositories_if_enabled(event):
"""
This is subscribed to the `pyramid.events.ApplicationCreated` event. It
does a repository scan if enabled in the settings.
"""
settings = event.app.registry.settings
vcs_server_enabled = settings['vcs.server.enable']
import_on_startup = settings['startup.import_repos']
if vcs_server_enabled and import_on_startup:
from rhodecode.model.scm import ScmModel
from rhodecode.lib.utils import repo2db_mapper, get_rhodecode_base_path
repositories = ScmModel().repo_scan(get_rhodecode_base_path())
repo2db_mapper(repositories, remove_obsolete=False)
def write_metadata_if_needed(event):
"""
Writes upgrade metadata
"""
import rhodecode
from rhodecode.lib import system_info
from rhodecode.lib import ext_json
def write():
fname = '.rcmetadata.json'
ini_loc = os.path.dirname(rhodecode.CONFIG.get('__file__'))
metadata_destination = os.path.join(ini_loc, fname)
configuration = system_info.SysInfo(
system_info.rhodecode_config)()['value']
license_token = configuration['config']['license_token']
dbinfo = system_info.SysInfo(system_info.database_info)()['value']
del dbinfo['url']
metadata = dict(
desc='upgrade metadata info',
license_token=license_token,
created_on=datetime.datetime.utcnow().isoformat(),
usage=system_info.SysInfo(system_info.usage_info)()['value'],
platform=system_info.SysInfo(system_info.platform_type)()['value'],
database=dbinfo,
cpu=system_info.SysInfo(system_info.cpu)()['value'],
memory=system_info.SysInfo(system_info.memory)()['value'],
)
with open(metadata_destination, 'wb') as f:
f.write(ext_json.json.dumps(metadata))
settings = event.app.registry.settings
if settings.get('metadata.skip'):
return
try:
write()
except Exception:
pass
def write_js_routes_if_enabled(event):
registry = event.app.registry
mapper = registry.queryUtility(IRoutesMapper)
_argument_prog = re.compile('\{(.*?)\}|:\((.*)\)')
def _extract_route_information(route):
"""
Convert a route into tuple(name, path, args), eg:
('show_user', '/profile/%(username)s', ['username'])
"""
routepath = route.pattern
pattern = route.pattern
def replace(matchobj):
if matchobj.group(1):
return "%%(%s)s" % matchobj.group(1).split(':')[0]
else:
return "%%(%s)s" % matchobj.group(2)
routepath = _argument_prog.sub(replace, routepath)
return (
route.name,
routepath,
[(arg[0].split(':')[0] if arg[0] != '' else arg[1])
for arg in _argument_prog.findall(pattern)]
)
def get_routes():
# pylons routes
for route in rhodecode.CONFIG['routes.map'].jsroutes():
yield route
# pyramid routes
for route in mapper.get_routes():
if not route.name.startswith('__'):
yield _extract_route_information(route)
if asbool(registry.settings.get('generate_js_files', 'false')):
static_path = AssetResolver().resolve('rhodecode:public').abspath()
jsroutes = get_routes()
jsroutes_file_content = generate_jsroutes_content(jsroutes)
jsroutes_file_path = os.path.join(
static_path, 'js', 'rhodecode', 'routes.js')
with io.open(jsroutes_file_path, 'w', encoding='utf-8') as f:
f.write(jsroutes_file_content)
class Subscriber(object):
"""
Base class for subscribers to the pyramid event system.
"""
def __call__(self, event):
self.run(event)
def run(self, event):
raise NotImplementedError('Subclass has to implement this.')
class AsyncSubscriber(Subscriber):
"""
Subscriber that handles the execution of events in a separate task to not
block the execution of the code which triggers the event. It puts the
received events into a queue from which the worker process takes them in
order.
"""
def __init__(self):
self._stop = False
self._eventq = Queue.Queue()
self._worker = self.create_worker()
self._worker.start()
def __call__(self, event):
self._eventq.put(event)
def create_worker(self):
worker = Thread(target=self.do_work)
worker.daemon = True
return worker
def stop_worker(self):
self._stop = False
self._eventq.put(None)
self._worker.join()
def do_work(self):
while not self._stop:
event = self._eventq.get()
if event is not None:
self.run(event)
class AsyncSubprocessSubscriber(AsyncSubscriber):
"""
Subscriber that uses the subprocess32 module to execute a command if an
event is received. Events are handled asynchronously.
"""
def __init__(self, cmd, timeout=None):
super(AsyncSubprocessSubscriber, self).__init__()
self._cmd = cmd
self._timeout = timeout
def run(self, event):
cmd = self._cmd
timeout = self._timeout
log.debug('Executing command %s.', cmd)
try:
output = subprocess32.check_output(
cmd, timeout=timeout, stderr=subprocess32.STDOUT)
log.debug('Command finished %s', cmd)
if output:
log.debug('Command output: %s', output)
except subprocess32.TimeoutExpired as e:
log.exception('Timeout while executing command.')
if e.output:
log.error('Command output: %s', e.output)
except subprocess32.CalledProcessError as e:
log.exception('Error while executing command.')
if e.output:
log.error('Command output: %s', e.output)
except:
log.exception(
'Exception while executing command %s.', cmd)