1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
|
# -*- coding: utf-8 -*-
"""
rhodecode.lib.indexers.daemon
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
A deamon will read from task table and run tasks
:created_on: Jan 26, 2010
:author: marcink
:copyright: (C) 2009-2011 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 logging
import traceback
from shutil import rmtree
from time import mktime
from os.path import dirname as dn
from os.path import join as jn
#to get the rhodecode import
project_path = dn(dn(dn(dn(os.path.realpath(__file__)))))
sys.path.append(project_path)
from rhodecode.model.scm import ScmModel
from rhodecode.lib import safe_unicode
from rhodecode.lib.indexers import INDEX_EXTENSIONS, SCHEMA, IDX_NAME
from vcs.exceptions import ChangesetError, RepositoryError
from whoosh.index import create_in, open_dir
log = logging.getLogger('whooshIndexer')
# create logger
log.setLevel(logging.DEBUG)
log.propagate = False
# create console handler and set level to debug
ch = logging.StreamHandler()
ch.setLevel(logging.DEBUG)
# create formatter
formatter = logging.Formatter("%(asctime)s - %(name)s -"
" %(levelname)s - %(message)s")
# add formatter to ch
ch.setFormatter(formatter)
# add ch to logger
log.addHandler(ch)
class WhooshIndexingDaemon(object):
"""
Deamon for atomic jobs
"""
def __init__(self, indexname='HG_INDEX', index_location=None,
repo_location=None, sa=None, repo_list=None):
self.indexname = indexname
self.index_location = index_location
if not index_location:
raise Exception('You have to provide index location')
self.repo_location = repo_location
if not repo_location:
raise Exception('You have to provide repositories location')
self.repo_paths = ScmModel(sa).repo_scan(self.repo_location)
if repo_list:
filtered_repo_paths = {}
for repo_name, repo in self.repo_paths.items():
if repo_name in repo_list:
filtered_repo_paths[repo_name] = repo
self.repo_paths = filtered_repo_paths
self.initial = False
if not os.path.isdir(self.index_location):
os.makedirs(self.index_location)
log.info('Cannot run incremental index since it does not'
' yet exist running full build')
self.initial = True
def get_paths(self, repo):
"""recursive walk in root dir and return a set of all path in that dir
based on repository walk function
"""
index_paths_ = set()
try:
tip = repo.get_changeset('tip')
for topnode, dirs, files in tip.walk('/'):
for f in files:
index_paths_.add(jn(repo.path, f.path))
for dir in dirs:
for f in files:
index_paths_.add(jn(repo.path, f.path))
except RepositoryError, e:
log.debug(traceback.format_exc())
pass
return index_paths_
def get_node(self, repo, path):
n_path = path[len(repo.path) + 1:]
node = repo.get_changeset().get_node(n_path)
return node
def get_node_mtime(self, node):
return mktime(node.last_changeset.date.timetuple())
def add_doc(self, writer, path, repo, repo_name):
"""Adding doc to writer this function itself fetches data from
the instance of vcs backend"""
node = self.get_node(repo, path)
#we just index the content of chosen files, and skip binary files
if node.extension in INDEX_EXTENSIONS and not node.is_binary:
u_content = node.content
if not isinstance(u_content, unicode):
log.warning(' >> %s Could not get this content as unicode '
'replacing with empty content', path)
u_content = u''
else:
log.debug(' >> %s [WITH CONTENT]' % path)
else:
log.debug(' >> %s' % path)
#just index file name without it's content
u_content = u''
writer.add_document(owner=unicode(repo.contact),
repository=safe_unicode(repo_name),
path=safe_unicode(path),
content=u_content,
modtime=self.get_node_mtime(node),
extension=node.extension)
def build_index(self):
if os.path.exists(self.index_location):
log.debug('removing previous index')
rmtree(self.index_location)
if not os.path.exists(self.index_location):
os.mkdir(self.index_location)
idx = create_in(self.index_location, SCHEMA, indexname=IDX_NAME)
writer = idx.writer()
for repo_name, repo in self.repo_paths.items():
log.debug('building index @ %s' % repo.path)
for idx_path in self.get_paths(repo):
self.add_doc(writer, idx_path, repo, repo_name)
log.debug('>> COMMITING CHANGES <<')
writer.commit(merge=True)
log.debug('>>> FINISHED BUILDING INDEX <<<')
def update_index(self):
log.debug('STARTING INCREMENTAL INDEXING UPDATE')
idx = open_dir(self.index_location, indexname=self.indexname)
# The set of all paths in the index
indexed_paths = set()
# The set of all paths we need to re-index
to_index = set()
reader = idx.reader()
writer = idx.writer()
# Loop over the stored fields in the index
for fields in reader.all_stored_fields():
indexed_path = fields['path']
indexed_paths.add(indexed_path)
repo = self.repo_paths[fields['repository']]
try:
node = self.get_node(repo, indexed_path)
except ChangesetError:
# This file was deleted since it was indexed
log.debug('removing from index %s' % indexed_path)
writer.delete_by_term('path', indexed_path)
else:
# Check if this file was changed since it was indexed
indexed_time = fields['modtime']
mtime = self.get_node_mtime(node)
if mtime > indexed_time:
# The file has changed, delete it and add it to the list of
# files to reindex
log.debug('adding to reindex list %s' % indexed_path)
writer.delete_by_term('path', indexed_path)
to_index.add(indexed_path)
# Loop over the files in the filesystem
# Assume we have a function that gathers the filenames of the
# documents to be indexed
for repo_name, repo in self.repo_paths.items():
for path in self.get_paths(repo):
if path in to_index or path not in indexed_paths:
# This is either a file that's changed, or a new file
# that wasn't indexed before. So index it!
self.add_doc(writer, path, repo, repo_name)
log.debug('re indexing %s' % path)
log.debug('>> COMMITING CHANGES <<')
writer.commit(merge=True)
log.debug('>>> FINISHED REBUILDING INDEX <<<')
def run(self, full_index=False):
"""Run daemon"""
if full_index or self.initial:
self.build_index()
else:
self.update_index()
|
