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Revision 3088 - (show annotations) (download)
Mon Feb 27 10:42:33 2012 UTC (8 years, 4 months ago) by ovitters
File size: 19784 byte(s)
add function to judge version number increases and make use of it
1 #!/usr/bin/python
2
3 # A lot of the code comes from ftpadmin, see
4 # http://git.gnome.org/browse/sysadmin-bin/tree/ftpadmin
5 # Written by Olav Vitters
6
7 # basic modules:
8 import os
9 import os.path
10 import sys
11 import re
12 import subprocess
13
14 # command line parsing, error handling:
15 import argparse
16 import errno
17
18 # overwriting files by moving them (safer):
19 import tempfile
20 import shutil
21
22 # version comparison:
23 import rpm
24
25 # opening tarballs:
26 import tarfile
27 import gzip
28 import bz2
29 import lzma # pyliblzma
30
31 # getting links from HTML document:
32 from sgmllib import SGMLParser
33 import urllib2
34 import urlparse
35
36 MEDIA="Core Release Source"
37 URL="http://download.gnome.org/sources/"
38 PKGROOT='~/pkgs'
39
40 re_version = re.compile(r'([-.]|\d+|[^-.\d]+)')
41
42 def version_cmp(a, b):
43 """Compares two versions
44
45 Returns
46 -1 if a < b
47 0 if a == b
48 1 if a > b
49 """
50
51 return rpm.labelCompare(('1', a, '1'), ('1', b, '1'))
52
53 def get_latest_version(versions, max_version=None):
54 """Gets the latest version number
55
56 if max_version is specified, gets the latest version number before
57 max_version"""
58 latest = None
59 for version in versions:
60 if ( latest is None or version_cmp(version, latest) > 0 ) \
61 and ( max_version is None or version_cmp(version, max_version) < 0 ):
62 latest = version
63 return latest
64
65 def judge_version_increase(version_old, version_new):
66 """Judge quality of version increase:
67
68 Returns a tuple containing judgement and message
69
70 Judgement:
71 Less than 0: Error
72 0 to 4: Better not
73 5+: Ok"""
74 versions = (version_old, version_new)
75
76 print " => ".join(versions)
77
78 # First do a basic version comparison to ensure version_new is actually newer
79 compare = version_cmp(version_new, version_old)
80
81 if compare == 0:
82 return (-2, "Already at version %s!" % (version_old))
83
84 if compare != 1:
85 return (-3, "Version %s is older than current version %s!" % (version_new, version_old))
86
87 # Version is newer, but we don't want to see if it follows the GNOME versioning scheme
88 majmins = [re_majmin.sub(r'\1', ver) for ver in versions if re_majmin.match(ver) is not None]
89
90 if len(majmins) == 1:
91 return (-1, "Version number scheme changes: %s" % (", ".join(versions)))
92
93 if len(majmins) == 0:
94 return (0, "Unsupported version numbers: %s" % (", ".join(versions)))
95
96 # Follows GNOME versioning scheme
97 # Meaning: x.y.z
98 # x = major
99 # y = minor : even if stable
100 # z = micro
101
102 # Major+minor the same? Then go ahead and upgrade!
103 if majmins[0] == majmins[1]:
104 # Majmin of both versions are the same, looks good!
105 return (10, None)
106
107 # More detailed analysis needed, so figure out the numbers
108 majmin_nrs = [map(long, ver.split('.')) for ver in majmins]
109
110 # Check/ensure major version number is the same
111 if majmin_nrs[0][0] != majmin_nrs[1][0]:
112 return (1, "Major version number increase")
113
114 # Minor indicates stable/unstable
115 devstate = (majmin_nrs[0][1] % 2 == 0, majmin_nrs[1][1] % 2 == 0)
116
117 # Upgrading to unstable is weird
118 if not devstate[1]:
119 if devstate[0]:
120 return (1, "Stable to unstable increase")
121
122 return (4, "Unstable to unstable version increase")
123
124 # Unstable => stable is always ok
125 if not devstate[0]:
126 return (5, "Unstable to stable")
127
128 # Can only be increase of minors from one stable to the next
129 return (6, "Stable version increase")
130
131 def line_input (file):
132 for line in file:
133 if line[-1] == '\n':
134 yield line[:-1]
135 else:
136 yield line
137
138 def call_editor(filename):
139 """Return a sequence of possible editor binaries for the current platform"""
140
141 editors = []
142
143 for varname in 'VISUAL', 'EDITOR':
144 if varname in os.environ:
145 editors.append(os.environ[varname])
146
147 editors.extend(('/usr/bin/editor', 'vi', 'pico', 'nano', 'joe'))
148
149 for editor in editors:
150 try:
151 ret = subprocess.call([editor, filename])
152 except OSError, e:
153 if e.errno == 2:
154 continue
155 raise
156
157 if ret == 127:
158 continue
159
160 return True
161
162 class urllister(SGMLParser):
163 def reset(self):
164 SGMLParser.reset(self)
165 self.urls = []
166
167 def start_a(self, attrs):
168 href = [v for k, v in attrs if k=='href']
169 if href:
170 self.urls.extend(href)
171
172 class XzTarFile(tarfile.TarFile):
173
174 OPEN_METH = tarfile.TarFile.OPEN_METH.copy()
175 OPEN_METH["xz"] = "xzopen"
176
177 @classmethod
178 def xzopen(cls, name, mode="r", fileobj=None, **kwargs):
179 """Open gzip compressed tar archive name for reading or writing.
180 Appending is not allowed.
181 """
182 if len(mode) > 1 or mode not in "rw":
183 raise ValueError("mode must be 'r' or 'w'")
184
185 if fileobj is not None:
186 fileobj = _LMZAProxy(fileobj, mode)
187 else:
188 fileobj = lzma.LZMAFile(name, mode)
189
190 try:
191 # lzma doesn't immediately return an error
192 # try and read a bit of data to determine if it is a valid xz file
193 fileobj.read(_LZMAProxy.blocksize)
194 fileobj.seek(0)
195 t = cls.taropen(name, mode, fileobj, **kwargs)
196 except IOError:
197 raise tarfile.ReadError("not a xz file")
198 except lzma.error:
199 raise tarfile.ReadError("not a xz file")
200 t._extfileobj = False
201 return t
202
203 if not hasattr(tarfile.TarFile, 'xzopen'):
204 tarfile.open = XzTarFile.open
205
206 class SpecFile(object):
207 re_update_version = re.compile(r'^(?P<pre>Version:\s*)(?P<version>.+)(?P<post>\s*)$', re.MULTILINE + re.IGNORECASE)
208 re_update_release = re.compile(r'^(?P<pre>Release:\s*)(?P<release>%mkrel \d+)(?P<post>\s*)$', re.MULTILINE + re.IGNORECASE)
209
210 def __init__(self, path):
211 self.path = path
212 self.cwd = os.path.dirname(path)
213
214 @property
215 def version(self):
216 return subprocess.check_output(["rpm", "--specfile", self.path, "--queryformat", "%{VERSION}\n"]).splitlines()[0]
217
218 def update(self, version):
219 """Update specfile (increase version)"""
220 cur_version = self.version
221
222 (judgement, msg) = judge_version_increase(cur_version, version)
223
224 if judgement < 0:
225 print >>sys.stderr, "ERROR: %s!" % (msg)
226 return False
227
228 if judgement < 5:
229 print >>sys.stderr, "WARNING: %s!" % (msg)
230 return False
231
232 # XXX - os.path.join is hackish
233 if subprocess.check_output(["svn", "diff", os.path.join(self.path, '..')]) != '':
234 print >>sys.stderr, "ERROR: Package has uncommitted changes!"
235 return False
236
237 with open(self.path, "rw") as f:
238 data = f.read()
239
240 if data.count("%mkrel") != 1:
241 print >>sys.stderr, "ERROR: Multiple %mkrel found; don't know what to do!"
242 return False
243
244 data, nr = self.re_update_version.subn(r'\g<pre>%s\g<post>' % version, data, 1)
245 if nr != 1:
246 print >>sys.stderr, "ERROR: Could not increase version!"
247 return False
248
249 data, nr = self.re_update_release.subn(r'\g<pre>%mkrel 1\g<post>', data, 1)
250 if nr != 1:
251 print >>sys.stderr, "ERROR: Could not reset release!"
252 return False
253
254 # Overwrite file with new version number
255 write_file(self.path, data)
256
257
258 # Verify that RPM also agrees that version number has changed
259 if self.version != version:
260 print "ERROR: Increased version to %s, but RPM doesn't agree!?!" % version
261 return False
262
263 try:
264 # Download new tarball
265 subprocess.check_call(['mgarepo', 'sync', '-d'], cwd=self.cwd)
266 # Check patches still apply
267 subprocess.check_call(['bm', '-p', '--nodeps'], cwd=self.cwd)
268 except subprocess.CalledProcessError:
269 return False
270
271 return True
272
273 class Patch(object):
274 """Do things with patches"""
275
276 re_dep3 = re.compile(r'^(?:#\s*)?(?P<header>[-A-Za-z0-9]+?):\s*(?P<data>.*)$')
277 re_dep3_cont = re.compile(r'^#?\s+(?P<data>.*)$')
278
279 def __init__(self, path, show_path=False):
280 """Path: path to patch (might not exist)"""
281 self.path = path
282 self.show_path = show_path
283
284 def __str__(self):
285 return self.path if self.show_path else os.path.basename(self.path)
286
287 def add_dep3(self):
288 """Add DEP-3 headers to a patch file"""
289 if self.dep3['valid']:
290 return False
291
292 new_headers = (
293 ('Author', self.svn_author),
294 ('Subject', ''),
295 ('Applied-Upstream', ''),
296 ('Forwarded', ''),
297 ('Bug', ''),
298 )
299
300 with tempfile.NamedTemporaryFile(dir=os.path.dirname(self.path), delete=False) as fdst:
301 with open(self.path, "r") as fsrc:
302 # Start with any existing DEP3 headers
303 for i in range(self.dep3['last_nr']):
304 fdst.write(fsrc.read())
305
306 # After that add the DEP3 headers
307 add_line = False
308 for header, data in new_headers:
309 if header in self.dep3['headers']:
310 continue
311
312 # XXX - wrap this at 80 chars
313 add_line = True
314 print >>fdst, "%s: %s" % (header, "" if data is None else data)
315
316 if add_line: print >>fdst, ""
317 # Now copy any other data and the patch
318 shutil.copyfileobj(fsrc, fdst)
319
320 fdst.flush()
321 os.rename(fdst.name, self.path)
322
323 call_editor(self.path)
324
325 #Author: fwang
326 #Subject: Build fix: Fix glib header inclusion
327 #Applied-Upstream: commit:30602
328 #Forwarded: yes
329 #Bug: http://bugzilla.abisource.com/show_bug.cgi?id=13247
330
331 def _read_dep3(self):
332 """Read DEP-3 headers from an existing patch file
333
334 This will also parse git headers"""
335 dep3 = {}
336 headers = {}
337
338 last_header = None
339 last_nr = 0
340 nr = 0
341 try:
342 with open(self.path, "r") as f:
343 for line in line_input(f):
344 nr += 1
345 # stop trying to parse when real patch begins
346 if line == '---':
347 break
348
349 r = self.re_dep3.match(line)
350 if r:
351 info = r.groupdict()
352
353 # Avoid matching URLS
354 if info['data'].startswith('//') and info['header'].lower () == info['header']:
355 continue
356
357 headers[info['header']] = info['data']
358 last_header = info['header']
359 last_nr = nr
360 continue
361
362 r = self.re_dep3_cont.match(line)
363 if r:
364 info = r.groupdict()
365 if last_header:
366 headers[last_header] = " ".join((headers[last_header], info['data']))
367 last_nr = nr
368 continue
369
370 last_header = None
371 except IOError:
372 pass
373
374 dep3['valid'] = \
375 (('Description' in headers and headers['Description'].strip() != '')
376 or ('Subject' in headers and headers['Subject'].strip() != '')) \
377 and (('Origin' in headers and headers['Origin'].strip() != '') \
378 or ('Author' in headers and headers['Author'].strip() != '') \
379 or ('From' in headers and headers['From'].strip() != ''))
380 dep3['last_nr'] = last_nr
381 dep3['headers'] = headers
382
383 self._dep3 = dep3
384
385 @property
386 def dep3(self):
387 if not hasattr(self, '_dep3'):
388 self._read_dep3()
389
390 return self._dep3
391
392 @property
393 def svn_author(self):
394 if not hasattr(self, '_svn_author'):
395 try:
396 contents = subprocess.check_output(['svn', 'log', '-q', "--", self.path], close_fds=True).strip("\n").splitlines()
397
398 for line in contents:
399 if ' | ' not in line:
400 continue
401
402 fields = line.split(' | ')
403 if len(fields) >= 3:
404 self._svn_author = fields[1]
405 except subprocess.CalledProcessError:
406 pass
407
408 if not hasattr(self, '_svn_author'):
409 return None
410
411 return self._svn_author
412
413 def get_upstream_names():
414 urlopen = urllib2.build_opener()
415
416 good_dir = re.compile('^[-A-Za-z0-9_+.]+/$')
417
418 # Get the files
419 usock = urlopen.open(URL)
420 parser = urllister()
421 parser.feed(usock.read())
422 usock.close()
423 parser.close()
424 files = parser.urls
425
426 tarballs = set([filename.replace('/', '') for filename in files if good_dir.search(filename)])
427
428 return tarballs
429
430 def get_downstream_names():
431 re_file = re.compile(r'^(?P<module>.*?)[_-](?:(?P<oldversion>([0-9]+[\.])*[0-9]+)-)?(?P<version>([0-9]+[\.\-])*[0-9]+)\.(?P<format>(?:tar\.|diff\.)?[a-z][a-z0-9]*)$')
432
433 contents = subprocess.check_output(['urpmf', '--files', '.', "--media", MEDIA], close_fds=True).strip("\n").splitlines()
434
435 FILES = {}
436 TARBALLS = {}
437
438 for line in contents:
439 try:
440 srpm, filename = line.split(":")
441 except ValueError:
442 print >>sys.stderr, line
443 continue
444
445 if '.tar' in filename:
446 r = re_file.match(filename)
447 if r:
448 fileinfo = r.groupdict()
449 module = fileinfo['module']
450
451 if module not in TARBALLS:
452 TARBALLS[module] = set()
453 TARBALLS[module].add(srpm)
454
455 if srpm not in FILES:
456 FILES[srpm] = set()
457 FILES[srpm].add(filename)
458
459 return TARBALLS, FILES
460
461
462 def write_file(path, data):
463 with tempfile.NamedTemporaryFile(dir=os.path.dirname(path), delete=False) as fdst:
464 fdst.write(data)
465 fdst.flush()
466 os.rename(fdst.name, path)
467
468 def cmd_co(options, parser):
469 upstream = get_upstream_names()
470 downstream, downstream_files = get_downstream_names()
471
472 cwd = os.path.expanduser(PKGROOT)
473
474 matches = upstream & set(downstream.keys())
475 for module in matches:
476 print module, "\t".join(downstream[module])
477 for package in downstream[module]:
478 subprocess.call(['mgarepo', 'co', package], cwd=cwd)
479
480 def cmd_ls(options, parser):
481 upstream = get_upstream_names()
482 downstream, downstream_files = get_downstream_names()
483
484 matches = upstream & set(downstream.keys())
485 for module in matches:
486 print "\n".join(sorted(downstream[module]))
487
488 def cmd_patches(options, parser):
489 upstream = get_upstream_names()
490 downstream, downstream_files = get_downstream_names()
491
492 path = os.path.expanduser(PKGROOT)
493
494 import pprint
495
496 matches = upstream & set(downstream.keys())
497 for module in sorted(matches):
498 for srpm in downstream[module]:
499 for filename in downstream_files[srpm]:
500 if '.patch' in filename or '.diff' in filename:
501
502 p = Patch(os.path.join(path, srpm, "SOURCES", filename), show_path=options.path)
503 valid = ""
504 forwarded = ""
505 if p.dep3['headers']:
506 forwarded = p.dep3['headers'].get('Forwarded', "no")
507 if p.dep3['valid']:
508 valid="VALID"
509 print "\t".join((module, srpm, str(p), forwarded, valid))
510
511 def cmd_dep3(options, parser):
512 p = Patch(options.patch)
513 p.add_dep3()
514
515 def cmd_package_new_version(options, parser):
516 # Determine the package name
517 if options.upstream:
518 downstream, downstream_files = get_downstream_names()
519
520 if options.package not in downstream:
521 print >>sys.stderr, "ERROR: No packages for upstream name: %s" % options.package
522 sys.exit(1)
523
524 if len(downstream[options.package]) != 1:
525 # XXX - Make it more intelligent
526 print >>sys.stderr, "ERROR: Multiple packages found for %s: %s" % (options.package, ", ".join(downstream[options.package]))
527 sys.exit(1)
528
529 package = list(downstream[options.package])[0]
530 else:
531 package = options.package
532
533 # Directories packages are located in
534 root = os.path.expanduser(PKGROOT)
535 cwd = os.path.join(root, package)
536
537 # Checkout package to ensure the checkout reflects the latest changes
538 try:
539 subprocess.check_call(['mgarepo', 'co', package], cwd=root)
540 except subprocess.CalledProcessError:
541 sys.exit(1)
542
543 # SpecFile class handles the actual version+release change
544 s = SpecFile(os.path.join(cwd, "SPECS", "%s.spec" % package))
545 print "%s => %s" % (s.version, options.version)
546 if not s.update(options.version):
547 sys.exit(1)
548
549 # We can even checkin and submit :-)
550 if options.submit:
551 try:
552 # checkin changes
553 subprocess.check_call(['mgarepo', 'ci', '-m', 'new version %s' % options.version], cwd=cwd)
554 # and submit
555 subprocess.check_call(['mgarepo', 'submit'], cwd=cwd)
556 except subprocess.CalledProcessError:
557 sys.exit(1)
558
559
560 def main():
561 description = """Mageia GNOME commands."""
562 epilog="""Report bugs to Olav Vitters"""
563 parser = argparse.ArgumentParser(description=description,epilog=epilog)
564
565 # SUBPARSERS
566 subparsers = parser.add_subparsers(title='subcommands')
567 # install
568 subparser = subparsers.add_parser('co', help='checkout all GNOME modules')
569 subparser.set_defaults(
570 func=cmd_co
571 )
572
573 subparser = subparsers.add_parser('packages', help='list all GNOME packages')
574 subparser.set_defaults(
575 func=cmd_ls
576 )
577
578 subparser = subparsers.add_parser('patches', help='list all GNOME patches')
579 subparser.add_argument("-p", "--path", action="store_true", dest="path",
580 help="Show full path to patch")
581 subparser.set_defaults(
582 func=cmd_patches, path=False
583 )
584
585 subparser = subparsers.add_parser('dep3', help='Add dep3 headers')
586 subparser.add_argument("patch", help="Patch")
587 subparser.set_defaults(
588 func=cmd_dep3, path=False
589 )
590
591 subparser = subparsers.add_parser('increase', help='Increase version number')
592 subparser.add_argument("package", help="Package name")
593 subparser.add_argument("version", help="Version number")
594 subparser.add_argument("-u", "--upstream", action="store_true", dest="upstream",
595 help="Package name reflects the upstream name")
596 subparser.add_argument("-s", "--submit", action="store_true", dest="submit",
597 help="Commit changes and submit")
598 subparser.set_defaults(
599 func=cmd_package_new_version, submit=False, upstream=False
600 )
601
602 if len(sys.argv) == 1:
603 parser.print_help()
604 sys.exit(2)
605
606 options = parser.parse_args()
607
608 try:
609 options.func(options, parser)
610 except KeyboardInterrupt:
611 print('Interrupted')
612 sys.exit(1)
613 except EOFError:
614 print('EOF')
615 sys.exit(1)
616 except IOError, e:
617 if e.errno != errno.EPIPE:
618 raise
619 sys.exit(0)
620
621 if __name__ == "__main__":
622 main()

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