##// END OF EJS Templates
remove cache from default perms. In some cases of concurrent repo removal it crashed....
remove cache from default perms. In some cases of concurrent repo removal it crashed. There's no speed regression on this one.

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__init__.py
450 lines | 12.4 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
"""
rhodecode.lib.__init__
~~~~~~~~~~~~~~~~~~~~~~~
Some simple helper functions
:created_on: Jan 5, 2011
:author: marcink
:copyright: (C) 2009-2010 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 re
def __get_lem():
from pygments import lexers
from string import lower
from collections import defaultdict
d = defaultdict(lambda: [])
def __clean(s):
s = s.lstrip('*')
s = s.lstrip('.')
if s.find('[') != -1:
exts = []
start, stop = s.find('['), s.find(']')
for suffix in s[start + 1:stop]:
exts.append(s[:s.find('[')] + suffix)
return map(lower, exts)
else:
return map(lower, [s])
for lx, t in sorted(lexers.LEXERS.items()):
m = map(__clean, t[-2])
if m:
m = reduce(lambda x, y: x + y, m)
for ext in m:
desc = lx.replace('Lexer', '')
d[ext].append(desc)
return dict(d)
# language map is also used by whoosh indexer, which for those specified
# extensions will index it's content
LANGUAGES_EXTENSIONS_MAP = __get_lem()
# Additional mappings that are not present in the pygments lexers
# NOTE: that this will overide any mappings in LANGUAGES_EXTENSIONS_MAP
ADDITIONAL_MAPPINGS = {'xaml': 'XAML'}
LANGUAGES_EXTENSIONS_MAP.update(ADDITIONAL_MAPPINGS)
# list of readme files to search in file tree and display in summary
# attached weights defines the search order lower is first
ALL_READMES = [
('readme', 0), ('README', 0), ('Readme', 0),
('doc/readme', 1), ('doc/README', 1), ('doc/Readme', 1),
('Docs/readme', 2), ('Docs/README', 2), ('Docs/Readme', 2),
('DOCS/readme', 2), ('DOCS/README', 2), ('DOCS/Readme', 2),
('docs/readme', 2), ('docs/README', 2), ('docs/Readme', 2),
]
# extension together with weights to search lower is first
RST_EXTS = [
('', 0), ('.rst', 1), ('.rest', 1),
('.RST', 2) , ('.REST', 2),
('.txt', 3), ('.TXT', 3)
]
MARKDOWN_EXTS = [
('.md', 1), ('.MD', 1),
('.mkdn', 2), ('.MKDN', 2),
('.mdown', 3), ('.MDOWN', 3),
('.markdown', 4), ('.MARKDOWN', 4)
]
PLAIN_EXTS = [('.text', 2), ('.TEXT', 2)]
ALL_EXTS = MARKDOWN_EXTS + RST_EXTS + PLAIN_EXTS
def str2bool(_str):
"""
returs True/False value from given string, it tries to translate the
string into boolean
:param _str: string value to translate into boolean
:rtype: boolean
:returns: boolean from given string
"""
if _str is None:
return False
if _str in (True, False):
return _str
_str = str(_str).strip().lower()
return _str in ('t', 'true', 'y', 'yes', 'on', '1')
def convert_line_endings(line, mode):
"""
Converts a given line "line end" accordingly to given mode
Available modes are::
0 - Unix
1 - Mac
2 - DOS
:param line: given line to convert
:param mode: mode to convert to
:rtype: str
:return: converted line according to mode
"""
from string import replace
if mode == 0:
line = replace(line, '\r\n', '\n')
line = replace(line, '\r', '\n')
elif mode == 1:
line = replace(line, '\r\n', '\r')
line = replace(line, '\n', '\r')
elif mode == 2:
import re
line = re.sub("\r(?!\n)|(?<!\r)\n", "\r\n", line)
return line
def detect_mode(line, default):
"""
Detects line break for given line, if line break couldn't be found
given default value is returned
:param line: str line
:param default: default
:rtype: int
:return: value of line end on of 0 - Unix, 1 - Mac, 2 - DOS
"""
if line.endswith('\r\n'):
return 2
elif line.endswith('\n'):
return 0
elif line.endswith('\r'):
return 1
else:
return default
def generate_api_key(username, salt=None):
"""
Generates unique API key for given username, if salt is not given
it'll be generated from some random string
:param username: username as string
:param salt: salt to hash generate KEY
:rtype: str
:returns: sha1 hash from username+salt
"""
from tempfile import _RandomNameSequence
import hashlib
if salt is None:
salt = _RandomNameSequence().next()
return hashlib.sha1(username + salt).hexdigest()
def safe_unicode(str_, from_encoding='utf8'):
"""
safe unicode function. Does few trick to turn str_ into unicode
In case of UnicodeDecode error we try to return it with encoding detected
by chardet library if it fails fallback to unicode with errors replaced
:param str_: string to decode
:rtype: unicode
:returns: unicode object
"""
if isinstance(str_, unicode):
return str_
try:
return unicode(str_)
except UnicodeDecodeError:
pass
try:
return unicode(str_, from_encoding)
except UnicodeDecodeError:
pass
try:
import chardet
encoding = chardet.detect(str_)['encoding']
if encoding is None:
raise Exception()
return str_.decode(encoding)
except (ImportError, UnicodeDecodeError, Exception):
return unicode(str_, from_encoding, 'replace')
def safe_str(unicode_, to_encoding='utf8'):
"""
safe str function. Does few trick to turn unicode_ into string
In case of UnicodeEncodeError we try to return it with encoding detected
by chardet library if it fails fallback to string with errors replaced
:param unicode_: unicode to encode
:rtype: str
:returns: str object
"""
if not isinstance(unicode_, basestring):
return str(unicode_)
if isinstance(unicode_, str):
return unicode_
try:
return unicode_.encode(to_encoding)
except UnicodeEncodeError:
pass
try:
import chardet
encoding = chardet.detect(unicode_)['encoding']
print encoding
if encoding is None:
raise UnicodeEncodeError()
return unicode_.encode(encoding)
except (ImportError, UnicodeEncodeError):
return unicode_.encode(to_encoding, 'replace')
return safe_str
def engine_from_config(configuration, prefix='sqlalchemy.', **kwargs):
"""
Custom engine_from_config functions that makes sure we use NullPool for
file based sqlite databases. This prevents errors on sqlite. This only
applies to sqlalchemy versions < 0.7.0
"""
import sqlalchemy
from sqlalchemy import engine_from_config as efc
import logging
if int(sqlalchemy.__version__.split('.')[1]) < 7:
# This solution should work for sqlalchemy < 0.7.0, and should use
# proxy=TimerProxy() for execution time profiling
from sqlalchemy.pool import NullPool
url = configuration[prefix + 'url']
if url.startswith('sqlite'):
kwargs.update({'poolclass': NullPool})
return efc(configuration, prefix, **kwargs)
else:
import time
from sqlalchemy import event
from sqlalchemy.engine import Engine
log = logging.getLogger('sqlalchemy.engine')
BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE = xrange(30, 38)
engine = efc(configuration, prefix, **kwargs)
def color_sql(sql):
COLOR_SEQ = "\033[1;%dm"
COLOR_SQL = YELLOW
normal = '\x1b[0m'
return ''.join([COLOR_SEQ % COLOR_SQL, sql, normal])
if configuration['debug']:
#attach events only for debug configuration
def before_cursor_execute(conn, cursor, statement,
parameters, context, executemany):
context._query_start_time = time.time()
log.info(color_sql(">>>>> STARTING QUERY >>>>>"))
def after_cursor_execute(conn, cursor, statement,
parameters, context, executemany):
total = time.time() - context._query_start_time
log.info(color_sql("<<<<< TOTAL TIME: %f <<<<<" % total))
event.listen(engine, "before_cursor_execute",
before_cursor_execute)
event.listen(engine, "after_cursor_execute",
after_cursor_execute)
return engine
def age(curdate):
"""
turns a datetime into an age string.
:param curdate: datetime object
:rtype: unicode
:returns: unicode words describing age
"""
from datetime import datetime
from webhelpers.date import time_ago_in_words
_ = lambda s:s
if not curdate:
return ''
agescales = [(_(u"year"), 3600 * 24 * 365),
(_(u"month"), 3600 * 24 * 30),
(_(u"day"), 3600 * 24),
(_(u"hour"), 3600),
(_(u"minute"), 60),
(_(u"second"), 1), ]
age = datetime.now() - curdate
age_seconds = (age.days * agescales[2][1]) + age.seconds
pos = 1
for scale in agescales:
if scale[1] <= age_seconds:
if pos == 6:pos = 5
return '%s %s' % (time_ago_in_words(curdate,
agescales[pos][0]), _('ago'))
pos += 1
return _(u'just now')
def uri_filter(uri):
"""
Removes user:password from given url string
:param uri:
:rtype: unicode
:returns: filtered list of strings
"""
if not uri:
return ''
proto = ''
for pat in ('https://', 'http://'):
if uri.startswith(pat):
uri = uri[len(pat):]
proto = pat
break
# remove passwords and username
uri = uri[uri.find('@') + 1:]
# get the port
cred_pos = uri.find(':')
if cred_pos == -1:
host, port = uri, None
else:
host, port = uri[:cred_pos], uri[cred_pos + 1:]
return filter(None, [proto, host, port])
def credentials_filter(uri):
"""
Returns a url with removed credentials
:param uri:
"""
uri = uri_filter(uri)
#check if we have port
if len(uri) > 2 and uri[2]:
uri[2] = ':' + uri[2]
return ''.join(uri)
def get_changeset_safe(repo, rev):
"""
Safe version of get_changeset if this changeset doesn't exists for a
repo it returns a Dummy one instead
:param repo:
:param rev:
"""
from vcs.backends.base import BaseRepository
from vcs.exceptions import RepositoryError
if not isinstance(repo, BaseRepository):
raise Exception('You must pass an Repository '
'object as first argument got %s', type(repo))
try:
cs = repo.get_changeset(rev)
except RepositoryError:
from rhodecode.lib.utils import EmptyChangeset
cs = EmptyChangeset(requested_revision=rev)
return cs
def get_current_revision(quiet=False):
"""
Returns tuple of (number, id) from repository containing this package
or None if repository could not be found.
:param quiet: prints error for fetching revision if True
"""
try:
from vcs import get_repo
from vcs.utils.helpers import get_scm
repopath = os.path.join(os.path.dirname(__file__), '..', '..')
scm = get_scm(repopath)[0]
repo = get_repo(path=repopath, alias=scm)
tip = repo.get_changeset()
return (tip.revision, tip.short_id)
except Exception, err:
if not quiet:
print ("Cannot retrieve rhodecode's revision. Original error "
"was: %s" % err)
return None
def extract_mentioned_users(s):
"""
Returns unique usernames from given string s that have @mention
:param s: string to get mentions
"""
usrs = {}
for username in re.findall(r'(?:^@|\s@)(\w+)', s):
usrs[username] = username
return sorted(usrs.keys())