Mercurial > kallithea
annotate rhodecode/lib/utils2.py @ 3181:efe23d6c178c rhodecode-0.0.1.5.2
merged with beta
| author | Marcin Kuzminski <marcin@python-works.com> |
|---|---|
| date | Mon, 21 Jan 2013 00:49:59 +0100 |
| parents | 6104dfd35b16 |
| children | c0b0351233ec |
| rev | line source |
|---|---|
| 2109 | 1 # -*- coding: utf-8 -*- |
| 2 """ | |
| 3 rhodecode.lib.utils | |
| 4 ~~~~~~~~~~~~~~~~~~~ | |
| 5 | |
| 6 Some simple helper functions | |
| 7 | |
| 8 :created_on: Jan 5, 2011 | |
| 9 :author: marcink | |
| 10 :copyright: (C) 2011-2012 Marcin Kuzminski <marcin@python-works.com> | |
| 11 :license: GPLv3, see COPYING for more details. | |
| 12 """ | |
| 13 # This program is free software: you can redistribute it and/or modify | |
| 14 # it under the terms of the GNU General Public License as published by | |
| 15 # the Free Software Foundation, either version 3 of the License, or | |
| 16 # (at your option) any later version. | |
| 17 # | |
| 18 # This program is distributed in the hope that it will be useful, | |
| 19 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 21 # GNU General Public License for more details. | |
| 22 # | |
| 23 # You should have received a copy of the GNU General Public License | |
| 24 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 25 | |
| 26 import re | |
|
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27 import time |
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28 import datetime |
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29 import webob |
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30 |
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31 from pylons.i18n.translation import _, ungettext |
| 2109 | 32 from rhodecode.lib.vcs.utils.lazy import LazyProperty |
| 33 | |
| 34 | |
| 35 def __get_lem(): | |
| 36 """ | |
| 37 Get language extension map based on what's inside pygments lexers | |
| 38 """ | |
| 39 from pygments import lexers | |
| 40 from string import lower | |
| 41 from collections import defaultdict | |
| 42 | |
| 43 d = defaultdict(lambda: []) | |
| 44 | |
| 45 def __clean(s): | |
| 46 s = s.lstrip('*') | |
| 47 s = s.lstrip('.') | |
| 48 | |
| 49 if s.find('[') != -1: | |
| 50 exts = [] | |
| 51 start, stop = s.find('['), s.find(']') | |
| 52 | |
| 53 for suffix in s[start + 1:stop]: | |
| 54 exts.append(s[:s.find('[')] + suffix) | |
| 55 return map(lower, exts) | |
| 56 else: | |
| 57 return map(lower, [s]) | |
| 58 | |
| 59 for lx, t in sorted(lexers.LEXERS.items()): | |
| 60 m = map(__clean, t[-2]) | |
| 61 if m: | |
| 62 m = reduce(lambda x, y: x + y, m) | |
| 63 for ext in m: | |
| 64 desc = lx.replace('Lexer', '') | |
| 65 d[ext].append(desc) | |
| 66 | |
| 67 return dict(d) | |
| 68 | |
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69 |
| 2109 | 70 def str2bool(_str): |
| 71 """ | |
| 72 returs True/False value from given string, it tries to translate the | |
| 73 string into boolean | |
| 74 | |
| 75 :param _str: string value to translate into boolean | |
| 76 :rtype: boolean | |
| 77 :returns: boolean from given string | |
| 78 """ | |
| 79 if _str is None: | |
| 80 return False | |
| 81 if _str in (True, False): | |
| 82 return _str | |
| 83 _str = str(_str).strip().lower() | |
| 84 return _str in ('t', 'true', 'y', 'yes', 'on', '1') | |
| 85 | |
| 86 | |
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87 def aslist(obj, sep=None, strip=True): |
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88 """ |
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89 Returns given string separated by sep as list |
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90 |
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91 :param obj: |
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92 :param sep: |
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93 :param strip: |
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94 """ |
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95 if isinstance(obj, (basestring)): |
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96 lst = obj.split(sep) |
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97 if strip: |
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98 lst = [v.strip() for v in lst] |
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99 return lst |
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100 elif isinstance(obj, (list, tuple)): |
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101 return obj |
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102 elif obj is None: |
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103 return [] |
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104 else: |
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105 return [obj] |
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106 |
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107 |
| 2109 | 108 def convert_line_endings(line, mode): |
| 109 """ | |
| 110 Converts a given line "line end" accordingly to given mode | |
| 111 | |
| 112 Available modes are:: | |
| 113 0 - Unix | |
| 114 1 - Mac | |
| 115 2 - DOS | |
| 116 | |
| 117 :param line: given line to convert | |
| 118 :param mode: mode to convert to | |
| 119 :rtype: str | |
| 120 :return: converted line according to mode | |
| 121 """ | |
| 122 from string import replace | |
| 123 | |
| 124 if mode == 0: | |
| 125 line = replace(line, '\r\n', '\n') | |
| 126 line = replace(line, '\r', '\n') | |
| 127 elif mode == 1: | |
| 128 line = replace(line, '\r\n', '\r') | |
| 129 line = replace(line, '\n', '\r') | |
| 130 elif mode == 2: | |
| 131 line = re.sub("\r(?!\n)|(?<!\r)\n", "\r\n", line) | |
| 132 return line | |
| 133 | |
| 134 | |
| 135 def detect_mode(line, default): | |
| 136 """ | |
| 137 Detects line break for given line, if line break couldn't be found | |
| 138 given default value is returned | |
| 139 | |
| 140 :param line: str line | |
| 141 :param default: default | |
| 142 :rtype: int | |
| 143 :return: value of line end on of 0 - Unix, 1 - Mac, 2 - DOS | |
| 144 """ | |
| 145 if line.endswith('\r\n'): | |
| 146 return 2 | |
| 147 elif line.endswith('\n'): | |
| 148 return 0 | |
| 149 elif line.endswith('\r'): | |
| 150 return 1 | |
| 151 else: | |
| 152 return default | |
| 153 | |
| 154 | |
| 155 def generate_api_key(username, salt=None): | |
| 156 """ | |
| 157 Generates unique API key for given username, if salt is not given | |
| 158 it'll be generated from some random string | |
| 159 | |
| 160 :param username: username as string | |
| 161 :param salt: salt to hash generate KEY | |
| 162 :rtype: str | |
| 163 :returns: sha1 hash from username+salt | |
| 164 """ | |
| 165 from tempfile import _RandomNameSequence | |
| 166 import hashlib | |
| 167 | |
| 168 if salt is None: | |
| 169 salt = _RandomNameSequence().next() | |
| 170 | |
| 171 return hashlib.sha1(username + salt).hexdigest() | |
| 172 | |
| 173 | |
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174 def safe_int(val, default=None): |
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175 """ |
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176 Returns int() of val if val is not convertable to int use default |
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177 instead |
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178 |
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179 :param val: |
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180 :param default: |
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181 """ |
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182 |
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183 try: |
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184 val = int(val) |
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185 except ValueError: |
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186 val = default |
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187 |
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188 return val |
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189 |
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190 |
| 2109 | 191 def safe_unicode(str_, from_encoding=None): |
| 192 """ | |
| 193 safe unicode function. Does few trick to turn str_ into unicode | |
| 194 | |
| 195 In case of UnicodeDecode error we try to return it with encoding detected | |
| 196 by chardet library if it fails fallback to unicode with errors replaced | |
| 197 | |
| 198 :param str_: string to decode | |
| 199 :rtype: unicode | |
| 200 :returns: unicode object | |
| 201 """ | |
| 202 if isinstance(str_, unicode): | |
| 203 return str_ | |
| 204 | |
| 205 if not from_encoding: | |
| 206 import rhodecode | |
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207 DEFAULT_ENCODINGS = aslist(rhodecode.CONFIG.get('default_encoding', |
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208 'utf8'), sep=',') |
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209 from_encoding = DEFAULT_ENCODINGS |
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210 |
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211 if not isinstance(from_encoding, (list, tuple)): |
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212 from_encoding = [from_encoding] |
| 2109 | 213 |
| 214 try: | |
| 215 return unicode(str_) | |
| 216 except UnicodeDecodeError: | |
| 217 pass | |
| 218 | |
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219 for enc in from_encoding: |
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220 try: |
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221 return unicode(str_, enc) |
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222 except UnicodeDecodeError: |
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223 pass |
| 2109 | 224 |
| 225 try: | |
| 226 import chardet | |
| 227 encoding = chardet.detect(str_)['encoding'] | |
| 228 if encoding is None: | |
| 229 raise Exception() | |
| 230 return str_.decode(encoding) | |
| 231 except (ImportError, UnicodeDecodeError, Exception): | |
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232 return unicode(str_, from_encoding[0], 'replace') |
| 2109 | 233 |
| 234 | |
| 235 def safe_str(unicode_, to_encoding=None): | |
| 236 """ | |
| 237 safe str function. Does few trick to turn unicode_ into string | |
| 238 | |
| 239 In case of UnicodeEncodeError we try to return it with encoding detected | |
| 240 by chardet library if it fails fallback to string with errors replaced | |
| 241 | |
| 242 :param unicode_: unicode to encode | |
| 243 :rtype: str | |
| 244 :returns: str object | |
| 245 """ | |
| 246 | |
| 247 # if it's not basestr cast to str | |
| 248 if not isinstance(unicode_, basestring): | |
| 249 return str(unicode_) | |
| 250 | |
| 251 if isinstance(unicode_, str): | |
| 252 return unicode_ | |
| 253 | |
| 254 if not to_encoding: | |
| 255 import rhodecode | |
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256 DEFAULT_ENCODINGS = aslist(rhodecode.CONFIG.get('default_encoding', |
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257 'utf8'), sep=',') |
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258 to_encoding = DEFAULT_ENCODINGS |
| 2109 | 259 |
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260 if not isinstance(to_encoding, (list, tuple)): |
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261 to_encoding = [to_encoding] |
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262 |
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263 for enc in to_encoding: |
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264 try: |
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265 return unicode_.encode(enc) |
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266 except UnicodeEncodeError: |
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267 pass |
| 2109 | 268 |
| 269 try: | |
| 270 import chardet | |
| 271 encoding = chardet.detect(unicode_)['encoding'] | |
| 272 if encoding is None: | |
| 273 raise UnicodeEncodeError() | |
| 274 | |
| 275 return unicode_.encode(encoding) | |
| 276 except (ImportError, UnicodeEncodeError): | |
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277 return unicode_.encode(to_encoding[0], 'replace') |
| 2109 | 278 |
| 279 return safe_str | |
| 280 | |
| 281 | |
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282 def remove_suffix(s, suffix): |
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283 if s.endswith(suffix): |
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284 s = s[:-1 * len(suffix)] |
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285 return s |
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286 |
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287 |
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288 def remove_prefix(s, prefix): |
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289 if s.startswith(prefix): |
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290 s = s[len(prefix):] |
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291 return s |
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292 |
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293 |
| 2109 | 294 def engine_from_config(configuration, prefix='sqlalchemy.', **kwargs): |
| 295 """ | |
| 296 Custom engine_from_config functions that makes sure we use NullPool for | |
| 297 file based sqlite databases. This prevents errors on sqlite. This only | |
| 298 applies to sqlalchemy versions < 0.7.0 | |
| 299 | |
| 300 """ | |
| 301 import sqlalchemy | |
| 302 from sqlalchemy import engine_from_config as efc | |
| 303 import logging | |
| 304 | |
| 305 if int(sqlalchemy.__version__.split('.')[1]) < 7: | |
| 306 | |
| 307 # This solution should work for sqlalchemy < 0.7.0, and should use | |
| 308 # proxy=TimerProxy() for execution time profiling | |
| 309 | |
| 310 from sqlalchemy.pool import NullPool | |
| 311 url = configuration[prefix + 'url'] | |
| 312 | |
| 313 if url.startswith('sqlite'): | |
| 314 kwargs.update({'poolclass': NullPool}) | |
| 315 return efc(configuration, prefix, **kwargs) | |
| 316 else: | |
| 317 import time | |
| 318 from sqlalchemy import event | |
| 319 from sqlalchemy.engine import Engine | |
| 320 | |
| 321 log = logging.getLogger('sqlalchemy.engine') | |
| 322 BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE = xrange(30, 38) | |
| 323 engine = efc(configuration, prefix, **kwargs) | |
| 324 | |
| 325 def color_sql(sql): | |
| 326 COLOR_SEQ = "\033[1;%dm" | |
| 327 COLOR_SQL = YELLOW | |
| 328 normal = '\x1b[0m' | |
| 329 return ''.join([COLOR_SEQ % COLOR_SQL, sql, normal]) | |
| 330 | |
| 331 if configuration['debug']: | |
| 332 #attach events only for debug configuration | |
| 333 | |
| 334 def before_cursor_execute(conn, cursor, statement, | |
| 335 parameters, context, executemany): | |
| 336 context._query_start_time = time.time() | |
| 337 log.info(color_sql(">>>>> STARTING QUERY >>>>>")) | |
| 338 | |
| 339 def after_cursor_execute(conn, cursor, statement, | |
| 340 parameters, context, executemany): | |
| 341 total = time.time() - context._query_start_time | |
| 342 log.info(color_sql("<<<<< TOTAL TIME: %f <<<<<" % total)) | |
| 343 | |
| 344 event.listen(engine, "before_cursor_execute", | |
| 345 before_cursor_execute) | |
| 346 event.listen(engine, "after_cursor_execute", | |
| 347 after_cursor_execute) | |
| 348 | |
| 349 return engine | |
| 350 | |
| 351 | |
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352 def age(prevdate): |
| 2109 | 353 """ |
| 354 turns a datetime into an age string. | |
| 355 | |
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356 :param prevdate: datetime object |
| 2109 | 357 :rtype: unicode |
| 358 :returns: unicode words describing age | |
| 359 """ | |
| 360 | |
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361 order = ['year', 'month', 'day', 'hour', 'minute', 'second'] |
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362 deltas = {} |
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363 future = False |
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364 |
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365 # Get date parts deltas |
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366 now = datetime.datetime.now() |
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367 if prevdate > now: |
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368 now, prevdate = prevdate, now |
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369 future = True |
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370 |
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371 for part in order: |
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372 deltas[part] = getattr(now, part) - getattr(prevdate, part) |
| 2109 | 373 |
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374 # Fix negative offsets (there is 1 second between 10:59:59 and 11:00:00, |
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375 # not 1 hour, -59 minutes and -59 seconds) |
| 2109 | 376 |
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377 for num, length in [(5, 60), (4, 60), (3, 24)]: # seconds, minutes, hours |
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378 part = order[num] |
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379 carry_part = order[num - 1] |
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380 |
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381 if deltas[part] < 0: |
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382 deltas[part] += length |
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383 deltas[carry_part] -= 1 |
| 2109 | 384 |
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385 # Same thing for days except that the increment depends on the (variable) |
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386 # number of days in the month |
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387 month_lengths = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] |
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388 if deltas['day'] < 0: |
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389 if prevdate.month == 2 and (prevdate.year % 4 == 0 and |
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390 (prevdate.year % 100 != 0 or prevdate.year % 400 == 0)): |
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391 deltas['day'] += 29 |
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392 else: |
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393 deltas['day'] += month_lengths[prevdate.month - 1] |
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394 |
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395 deltas['month'] -= 1 |
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396 |
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397 if deltas['month'] < 0: |
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398 deltas['month'] += 12 |
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399 deltas['year'] -= 1 |
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400 |
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401 # Format the result |
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402 fmt_funcs = { |
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403 'year': lambda d: ungettext(u'%d year', '%d years', d) % d, |
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404 'month': lambda d: ungettext(u'%d month', '%d months', d) % d, |
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405 'day': lambda d: ungettext(u'%d day', '%d days', d) % d, |
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406 'hour': lambda d: ungettext(u'%d hour', '%d hours', d) % d, |
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407 'minute': lambda d: ungettext(u'%d minute', '%d minutes', d) % d, |
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408 'second': lambda d: ungettext(u'%d second', '%d seconds', d) % d, |
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409 } |
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410 |
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411 for i, part in enumerate(order): |
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412 value = deltas[part] |
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413 if value == 0: |
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414 continue |
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415 |
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416 if i < 5: |
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417 sub_part = order[i + 1] |
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418 sub_value = deltas[sub_part] |
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419 else: |
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420 sub_value = 0 |
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421 |
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422 if sub_value == 0: |
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423 if future: |
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424 return _(u'in %s') % fmt_funcs[part](value) |
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425 else: |
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426 return _(u'%s ago') % fmt_funcs[part](value) |
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427 if future: |
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428 return _(u'in %s and %s') % (fmt_funcs[part](value), |
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429 fmt_funcs[sub_part](sub_value)) |
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430 else: |
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431 return _(u'%s and %s ago') % (fmt_funcs[part](value), |
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432 fmt_funcs[sub_part](sub_value)) |
| 2109 | 433 |
| 434 return _(u'just now') | |
| 435 | |
| 436 | |
| 437 def uri_filter(uri): | |
| 438 """ | |
| 439 Removes user:password from given url string | |
| 440 | |
| 441 :param uri: | |
| 442 :rtype: unicode | |
| 443 :returns: filtered list of strings | |
| 444 """ | |
| 445 if not uri: | |
| 446 return '' | |
| 447 | |
| 448 proto = '' | |
| 449 | |
| 450 for pat in ('https://', 'http://'): | |
| 451 if uri.startswith(pat): | |
| 452 uri = uri[len(pat):] | |
| 453 proto = pat | |
| 454 break | |
| 455 | |
| 456 # remove passwords and username | |
| 457 uri = uri[uri.find('@') + 1:] | |
| 458 | |
| 459 # get the port | |
| 460 cred_pos = uri.find(':') | |
| 461 if cred_pos == -1: | |
| 462 host, port = uri, None | |
| 463 else: | |
| 464 host, port = uri[:cred_pos], uri[cred_pos + 1:] | |
| 465 | |
| 466 return filter(None, [proto, host, port]) | |
| 467 | |
| 468 | |
| 469 def credentials_filter(uri): | |
| 470 """ | |
| 471 Returns a url with removed credentials | |
| 472 | |
| 473 :param uri: | |
| 474 """ | |
| 475 | |
| 476 uri = uri_filter(uri) | |
| 477 #check if we have port | |
| 478 if len(uri) > 2 and uri[2]: | |
| 479 uri[2] = ':' + uri[2] | |
| 480 | |
| 481 return ''.join(uri) | |
| 482 | |
| 483 | |
| 484 def get_changeset_safe(repo, rev): | |
| 485 """ | |
| 486 Safe version of get_changeset if this changeset doesn't exists for a | |
| 487 repo it returns a Dummy one instead | |
| 488 | |
| 489 :param repo: | |
| 490 :param rev: | |
| 491 """ | |
| 492 from rhodecode.lib.vcs.backends.base import BaseRepository | |
| 493 from rhodecode.lib.vcs.exceptions import RepositoryError | |
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494 from rhodecode.lib.vcs.backends.base import EmptyChangeset |
| 2109 | 495 if not isinstance(repo, BaseRepository): |
| 496 raise Exception('You must pass an Repository ' | |
| 497 'object as first argument got %s', type(repo)) | |
| 498 | |
| 499 try: | |
| 500 cs = repo.get_changeset(rev) | |
| 501 except RepositoryError: | |
| 502 cs = EmptyChangeset(requested_revision=rev) | |
| 503 return cs | |
| 504 | |
| 505 | |
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506 def datetime_to_time(dt): |
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507 if dt: |
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508 return time.mktime(dt.timetuple()) |
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509 |
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510 |
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511 def time_to_datetime(tm): |
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512 if tm: |
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513 if isinstance(tm, basestring): |
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514 try: |
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515 tm = float(tm) |
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516 except ValueError: |
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517 return |
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518 return datetime.datetime.fromtimestamp(tm) |
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519 |
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#426 fixed mention extracting regex
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520 MENTIONS_REGEX = r'(?:^@|\s@)([a-zA-Z0-9]{1}[a-zA-Z0-9\-\_\.]+)(?:\s{1})' |
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521 |
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522 |
| 2109 | 523 def extract_mentioned_users(s): |
| 524 """ | |
| 525 Returns unique usernames from given string s that have @mention | |
| 526 | |
| 527 :param s: string to get mentions | |
| 528 """ | |
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529 usrs = set() |
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530 for username in re.findall(MENTIONS_REGEX, s): |
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531 usrs.add(username) |
| 2109 | 532 |
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533 return sorted(list(usrs), key=lambda k: k.lower()) |
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534 |
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535 |
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536 class AttributeDict(dict): |
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537 def __getattr__(self, attr): |
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538 return self.get(attr, None) |
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539 __setattr__ = dict.__setitem__ |
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540 __delattr__ = dict.__delitem__ |
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fix for issue #578 git hooks sometimes cannot be executed due to different python they runned under, this commit tries to fix that by altering the PATH env variable using current python that rhodecode is running
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541 |
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542 |
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543 def fix_PATH(os_=None): |
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544 """ |
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545 Get current active python path, and append it to PATH variable to fix issues |
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546 of subprocess calls and different python versions |
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547 """ |
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548 import sys |
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549 if os_ is None: |
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550 import os |
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551 else: |
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552 os = os_ |
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553 |
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554 cur_path = os.path.split(sys.executable)[0] |
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555 if not os.environ['PATH'].startswith(cur_path): |
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556 os.environ['PATH'] = '%s:%s' % (cur_path, os.environ['PATH']) |
|
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557 |
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558 |
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559 def obfuscate_url_pw(engine): |
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560 from sqlalchemy.engine import url |
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561 url = url.make_url(engine) |
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562 if url.password: |
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563 url.password = 'XXXXX' |
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fixed #597 commits in future get negative age.
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564 return str(url) |
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Implemented #628: Pass server URL to rc-extensions hooks
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565 |
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566 |
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567 def get_server_url(environ): |
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568 req = webob.Request(environ) |
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569 return req.host_url + req.script_name |