##// END OF EJS Templates
raise na OSERROR if repository data sent from git hook to hook handler is somehow invalid
raise na OSERROR if repository data sent from git hook to hook handler is somehow invalid

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__init__.py
271 lines | 9.6 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
"""
rhodecode.lib.indexers.__init__
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Whoosh indexing module for RhodeCode
:created_on: Aug 17, 2010
:author: marcink
:copyright: (C) 2010-2012 Marcin Kuzminski <marcin@python-works.com>
:license: GPLv3, see COPYING for more details.
"""
# 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, 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import sys
import traceback
import logging
from os.path import dirname as dn, join as jn
#to get the rhodecode import
sys.path.append(dn(dn(dn(os.path.realpath(__file__)))))
from string import strip
from shutil import rmtree
from whoosh.analysis import RegexTokenizer, LowercaseFilter, StopFilter
from whoosh.fields import TEXT, ID, STORED, NUMERIC, BOOLEAN, Schema, FieldType
from whoosh.index import create_in, open_dir
from whoosh.formats import Characters
from whoosh.highlight import highlight, HtmlFormatter, ContextFragmenter
from webhelpers.html.builder import escape, literal
from sqlalchemy import engine_from_config
from rhodecode.model import init_model
from rhodecode.model.scm import ScmModel
from rhodecode.model.repo import RepoModel
from rhodecode.config.environment import load_environment
from rhodecode.lib.utils2 import LazyProperty
from rhodecode.lib.utils import BasePasterCommand, Command, add_cache,\
load_rcextensions
log = logging.getLogger(__name__)
# CUSTOM ANALYZER wordsplit + lowercase filter
ANALYZER = RegexTokenizer(expression=r"\w+") | LowercaseFilter()
#INDEX SCHEMA DEFINITION
SCHEMA = Schema(
fileid=ID(unique=True),
owner=TEXT(),
repository=TEXT(stored=True),
path=TEXT(stored=True),
content=FieldType(format=Characters(), analyzer=ANALYZER,
scorable=True, stored=True),
modtime=STORED(),
extension=TEXT(stored=True)
)
IDX_NAME = 'HG_INDEX'
FORMATTER = HtmlFormatter('span', between='\n<span class="break">...</span>\n')
FRAGMENTER = ContextFragmenter(200)
CHGSETS_SCHEMA = Schema(
raw_id=ID(unique=True, stored=True),
date=NUMERIC(stored=True),
last=BOOLEAN(),
owner=TEXT(),
repository=ID(unique=True, stored=True),
author=TEXT(stored=True),
message=FieldType(format=Characters(), analyzer=ANALYZER,
scorable=True, stored=True),
parents=TEXT(),
added=TEXT(),
removed=TEXT(),
changed=TEXT(),
)
CHGSET_IDX_NAME = 'CHGSET_INDEX'
class MakeIndex(BasePasterCommand):
max_args = 1
min_args = 1
usage = "CONFIG_FILE"
summary = "Creates index for full text search given configuration file"
group_name = "RhodeCode"
takes_config_file = -1
parser = Command.standard_parser(verbose=True)
def command(self):
logging.config.fileConfig(self.path_to_ini_file)
from pylons import config
add_cache(config)
engine = engine_from_config(config, 'sqlalchemy.db1.')
init_model(engine)
index_location = config['index_dir']
repo_location = self.options.repo_location \
if self.options.repo_location else RepoModel().repos_path
repo_list = map(strip, self.options.repo_list.split(',')) \
if self.options.repo_list else None
repo_update_list = map(strip, self.options.repo_update_list.split(',')) \
if self.options.repo_update_list else None
load_rcextensions(config['here'])
#======================================================================
# WHOOSH DAEMON
#======================================================================
from rhodecode.lib.pidlock import LockHeld, DaemonLock
from rhodecode.lib.indexers.daemon import WhooshIndexingDaemon
try:
l = DaemonLock(file_=jn(dn(dn(index_location)), 'make_index.lock'))
WhooshIndexingDaemon(index_location=index_location,
repo_location=repo_location,
repo_list=repo_list,
repo_update_list=repo_update_list)\
.run(full_index=self.options.full_index)
l.release()
except LockHeld:
sys.exit(1)
def update_parser(self):
self.parser.add_option('--repo-location',
action='store',
dest='repo_location',
help="Specifies repositories location to index OPTIONAL",
)
self.parser.add_option('--index-only',
action='store',
dest='repo_list',
help="Specifies a comma separated list of repositores "
"to build index on. If not given all repositories "
"are scanned for indexing. OPTIONAL",
)
self.parser.add_option('--update-only',
action='store',
dest='repo_update_list',
help="Specifies a comma separated list of repositores "
"to re-build index on. OPTIONAL",
)
self.parser.add_option('-f',
action='store_true',
dest='full_index',
help="Specifies that index should be made full i.e"
" destroy old and build from scratch",
default=False)
class WhooshResultWrapper(object):
def __init__(self, search_type, searcher, matcher, highlight_items,
repo_location):
self.search_type = search_type
self.searcher = searcher
self.matcher = matcher
self.highlight_items = highlight_items
self.fragment_size = 200
self.repo_location = repo_location
@LazyProperty
def doc_ids(self):
docs_id = []
while self.matcher.is_active():
docnum = self.matcher.id()
chunks = [offsets for offsets in self.get_chunks()]
docs_id.append([docnum, chunks])
self.matcher.next()
return docs_id
def __str__(self):
return '<%s at %s>' % (self.__class__.__name__, len(self.doc_ids))
def __repr__(self):
return self.__str__()
def __len__(self):
return len(self.doc_ids)
def __iter__(self):
"""
Allows Iteration over results,and lazy generate content
*Requires* implementation of ``__getitem__`` method.
"""
for docid in self.doc_ids:
yield self.get_full_content(docid)
def __getitem__(self, key):
"""
Slicing of resultWrapper
"""
i, j = key.start, key.stop
slices = []
for docid in self.doc_ids[i:j]:
slices.append(self.get_full_content(docid))
return slices
def get_full_content(self, docid):
res = self.searcher.stored_fields(docid[0])
log.debug('result: %s' % res)
if self.search_type == 'content':
full_repo_path = jn(self.repo_location, res['repository'])
f_path = res['path'].split(full_repo_path)[-1]
f_path = f_path.lstrip(os.sep)
content_short = self.get_short_content(res, docid[1])
res.update({'content_short': content_short,
'content_short_hl': self.highlight(content_short),
'f_path': f_path
})
elif self.search_type == 'path':
full_repo_path = jn(self.repo_location, res['repository'])
f_path = res['path'].split(full_repo_path)[-1]
f_path = f_path.lstrip(os.sep)
res.update({'f_path': f_path})
elif self.search_type == 'message':
res.update({'message_hl': self.highlight(res['message'])})
log.debug('result: %s' % res)
return res
def get_short_content(self, res, chunks):
return ''.join([res['content'][chunk[0]:chunk[1]] for chunk in chunks])
def get_chunks(self):
"""
Smart function that implements chunking the content
but not overlap chunks so it doesn't highlight the same
close occurrences twice.
:param matcher:
:param size:
"""
memory = [(0, 0)]
if self.matcher.supports('positions'):
for span in self.matcher.spans():
start = span.startchar or 0
end = span.endchar or 0
start_offseted = max(0, start - self.fragment_size)
end_offseted = end + self.fragment_size
if start_offseted < memory[-1][1]:
start_offseted = memory[-1][1]
memory.append((start_offseted, end_offseted,))
yield (start_offseted, end_offseted,)
def highlight(self, content, top=5):
if self.search_type not in ['content', 'message']:
return ''
hl = highlight(
text=content,
terms=self.highlight_items,
analyzer=ANALYZER,
fragmenter=FRAGMENTER,
formatter=FORMATTER,
top=top
)
return hl