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Revision 3087 - (show annotations) (download)
Mon Feb 27 09:43:14 2012 UTC (12 years, 1 month ago) by ovitters
File size: 17490 byte(s)
add comments to describe what the code is doing
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 line_input (file):
66 for line in file:
67 if line[-1] == '\n':
68 yield line[:-1]
69 else:
70 yield line
71
72 def call_editor(filename):
73 """Return a sequence of possible editor binaries for the current platform"""
74
75 editors = []
76
77 for varname in 'VISUAL', 'EDITOR':
78 if varname in os.environ:
79 editors.append(os.environ[varname])
80
81 editors.extend(('/usr/bin/editor', 'vi', 'pico', 'nano', 'joe'))
82
83 for editor in editors:
84 try:
85 ret = subprocess.call([editor, filename])
86 except OSError, e:
87 if e.errno == 2:
88 continue
89 raise
90
91 if ret == 127:
92 continue
93
94 return True
95
96 class urllister(SGMLParser):
97 def reset(self):
98 SGMLParser.reset(self)
99 self.urls = []
100
101 def start_a(self, attrs):
102 href = [v for k, v in attrs if k=='href']
103 if href:
104 self.urls.extend(href)
105
106 class XzTarFile(tarfile.TarFile):
107
108 OPEN_METH = tarfile.TarFile.OPEN_METH.copy()
109 OPEN_METH["xz"] = "xzopen"
110
111 @classmethod
112 def xzopen(cls, name, mode="r", fileobj=None, **kwargs):
113 """Open gzip compressed tar archive name for reading or writing.
114 Appending is not allowed.
115 """
116 if len(mode) > 1 or mode not in "rw":
117 raise ValueError("mode must be 'r' or 'w'")
118
119 if fileobj is not None:
120 fileobj = _LMZAProxy(fileobj, mode)
121 else:
122 fileobj = lzma.LZMAFile(name, mode)
123
124 try:
125 # lzma doesn't immediately return an error
126 # try and read a bit of data to determine if it is a valid xz file
127 fileobj.read(_LZMAProxy.blocksize)
128 fileobj.seek(0)
129 t = cls.taropen(name, mode, fileobj, **kwargs)
130 except IOError:
131 raise tarfile.ReadError("not a xz file")
132 except lzma.error:
133 raise tarfile.ReadError("not a xz file")
134 t._extfileobj = False
135 return t
136
137 if not hasattr(tarfile.TarFile, 'xzopen'):
138 tarfile.open = XzTarFile.open
139
140 class SpecFile(object):
141 re_update_version = re.compile(r'^(?P<pre>Version:\s*)(?P<version>.+)(?P<post>\s*)$', re.MULTILINE + re.IGNORECASE)
142 re_update_release = re.compile(r'^(?P<pre>Release:\s*)(?P<release>%mkrel \d+)(?P<post>\s*)$', re.MULTILINE + re.IGNORECASE)
143
144 def __init__(self, path):
145 self.path = path
146 self.cwd = os.path.dirname(path)
147
148 @property
149 def version(self):
150 return subprocess.check_output(["rpm", "--specfile", self.path, "--queryformat", "%{VERSION}\n"]).splitlines()[0]
151
152 def update(self, version):
153 """Update specfile (increase version)"""
154 cur_version = self.version
155
156 compare = version_cmp(version, cur_version)
157
158 if compare == 0:
159 print >>sys.stderr, "ERROR: Already at version %s!" % (cur_version)
160 return False
161
162 if compare != 1:
163 print >>sys.stderr, "ERROR: Version %s is older than current version %s!" % (version, cur_version)
164 return False
165
166 # XXX - os.path.join is hackish
167 if subprocess.check_output(["svn", "diff", os.path.join(self.path, '..')]) != '':
168 print >>sys.stderr, "ERROR: Package has uncommitted changes!"
169 return False
170
171 with open(self.path, "rw") as f:
172 data = f.read()
173
174 if data.count("%mkrel") != 1:
175 print >>sys.stderr, "ERROR: Multiple %mkrel found; don't know what to do!"
176 return False
177
178 data, nr = self.re_update_version.subn(r'\g<pre>%s\g<post>' % version, data, 1)
179 if nr != 1:
180 print >>sys.stderr, "ERROR: Could not increase version!"
181 return False
182
183 data, nr = self.re_update_release.subn(r'\g<pre>%mkrel 1\g<post>', data, 1)
184 if nr != 1:
185 print >>sys.stderr, "ERROR: Could not reset release!"
186 return False
187
188 # Overwrite file with new version number
189 write_file(self.path, data)
190
191
192 # Verify that RPM also agrees that version number has changed
193 if self.version != version:
194 print "ERROR: Increased version to %s, but RPM doesn't agree!?!" % version
195 return False
196
197 try:
198 # Download new tarball
199 subprocess.check_call(['mgarepo', 'sync', '-d'], cwd=self.cwd)
200 # Check patches still apply
201 subprocess.check_call(['bm', '-p', '--nodeps'], cwd=self.cwd)
202 except subprocess.CalledProcessError:
203 return False
204
205 return True
206
207 class Patch(object):
208 """Do things with patches"""
209
210 re_dep3 = re.compile(r'^(?:#\s*)?(?P<header>[-A-Za-z0-9]+?):\s*(?P<data>.*)$')
211 re_dep3_cont = re.compile(r'^#?\s+(?P<data>.*)$')
212
213 def __init__(self, path, show_path=False):
214 """Path: path to patch (might not exist)"""
215 self.path = path
216 self.show_path = show_path
217
218 def __str__(self):
219 return self.path if self.show_path else os.path.basename(self.path)
220
221 def add_dep3(self):
222 """Add DEP-3 headers to a patch file"""
223 if self.dep3['valid']:
224 return False
225
226 new_headers = (
227 ('Author', self.svn_author),
228 ('Subject', ''),
229 ('Applied-Upstream', ''),
230 ('Forwarded', ''),
231 ('Bug', ''),
232 )
233
234 with tempfile.NamedTemporaryFile(dir=os.path.dirname(self.path), delete=False) as fdst:
235 with open(self.path, "r") as fsrc:
236 # Start with any existing DEP3 headers
237 for i in range(self.dep3['last_nr']):
238 fdst.write(fsrc.read())
239
240 # After that add the DEP3 headers
241 add_line = False
242 for header, data in new_headers:
243 if header in self.dep3['headers']:
244 continue
245
246 # XXX - wrap this at 80 chars
247 add_line = True
248 print >>fdst, "%s: %s" % (header, "" if data is None else data)
249
250 if add_line: print >>fdst, ""
251 # Now copy any other data and the patch
252 shutil.copyfileobj(fsrc, fdst)
253
254 fdst.flush()
255 os.rename(fdst.name, self.path)
256
257 call_editor(self.path)
258
259 #Author: fwang
260 #Subject: Build fix: Fix glib header inclusion
261 #Applied-Upstream: commit:30602
262 #Forwarded: yes
263 #Bug: http://bugzilla.abisource.com/show_bug.cgi?id=13247
264
265 def _read_dep3(self):
266 """Read DEP-3 headers from an existing patch file
267
268 This will also parse git headers"""
269 dep3 = {}
270 headers = {}
271
272 last_header = None
273 last_nr = 0
274 nr = 0
275 try:
276 with open(self.path, "r") as f:
277 for line in line_input(f):
278 nr += 1
279 # stop trying to parse when real patch begins
280 if line == '---':
281 break
282
283 r = self.re_dep3.match(line)
284 if r:
285 info = r.groupdict()
286
287 # Avoid matching URLS
288 if info['data'].startswith('//') and info['header'].lower () == info['header']:
289 continue
290
291 headers[info['header']] = info['data']
292 last_header = info['header']
293 last_nr = nr
294 continue
295
296 r = self.re_dep3_cont.match(line)
297 if r:
298 info = r.groupdict()
299 if last_header:
300 headers[last_header] = " ".join((headers[last_header], info['data']))
301 last_nr = nr
302 continue
303
304 last_header = None
305 except IOError:
306 pass
307
308 dep3['valid'] = \
309 (('Description' in headers and headers['Description'].strip() != '')
310 or ('Subject' in headers and headers['Subject'].strip() != '')) \
311 and (('Origin' in headers and headers['Origin'].strip() != '') \
312 or ('Author' in headers and headers['Author'].strip() != '') \
313 or ('From' in headers and headers['From'].strip() != ''))
314 dep3['last_nr'] = last_nr
315 dep3['headers'] = headers
316
317 self._dep3 = dep3
318
319 @property
320 def dep3(self):
321 if not hasattr(self, '_dep3'):
322 self._read_dep3()
323
324 return self._dep3
325
326 @property
327 def svn_author(self):
328 if not hasattr(self, '_svn_author'):
329 try:
330 contents = subprocess.check_output(['svn', 'log', '-q', "--", self.path], close_fds=True).strip("\n").splitlines()
331
332 for line in contents:
333 if ' | ' not in line:
334 continue
335
336 fields = line.split(' | ')
337 if len(fields) >= 3:
338 self._svn_author = fields[1]
339 except subprocess.CalledProcessError:
340 pass
341
342 if not hasattr(self, '_svn_author'):
343 return None
344
345 return self._svn_author
346
347 def get_upstream_names():
348 urlopen = urllib2.build_opener()
349
350 good_dir = re.compile('^[-A-Za-z0-9_+.]+/$')
351
352 # Get the files
353 usock = urlopen.open(URL)
354 parser = urllister()
355 parser.feed(usock.read())
356 usock.close()
357 parser.close()
358 files = parser.urls
359
360 tarballs = set([filename.replace('/', '') for filename in files if good_dir.search(filename)])
361
362 return tarballs
363
364 def get_downstream_names():
365 re_file = re.compile(r'^(?P<module>.*?)[_-](?:(?P<oldversion>([0-9]+[\.])*[0-9]+)-)?(?P<version>([0-9]+[\.\-])*[0-9]+)\.(?P<format>(?:tar\.|diff\.)?[a-z][a-z0-9]*)$')
366
367 contents = subprocess.check_output(['urpmf', '--files', '.', "--media", MEDIA], close_fds=True).strip("\n").splitlines()
368
369 FILES = {}
370 TARBALLS = {}
371
372 for line in contents:
373 try:
374 srpm, filename = line.split(":")
375 except ValueError:
376 print >>sys.stderr, line
377 continue
378
379 if '.tar' in filename:
380 r = re_file.match(filename)
381 if r:
382 fileinfo = r.groupdict()
383 module = fileinfo['module']
384
385 if module not in TARBALLS:
386 TARBALLS[module] = set()
387 TARBALLS[module].add(srpm)
388
389 if srpm not in FILES:
390 FILES[srpm] = set()
391 FILES[srpm].add(filename)
392
393 return TARBALLS, FILES
394
395
396 def write_file(path, data):
397 with tempfile.NamedTemporaryFile(dir=os.path.dirname(path), delete=False) as fdst:
398 fdst.write(data)
399 fdst.flush()
400 os.rename(fdst.name, path)
401
402 def cmd_co(options, parser):
403 upstream = get_upstream_names()
404 downstream, downstream_files = get_downstream_names()
405
406 cwd = os.path.expanduser(PKGROOT)
407
408 matches = upstream & set(downstream.keys())
409 for module in matches:
410 print module, "\t".join(downstream[module])
411 for package in downstream[module]:
412 subprocess.call(['mgarepo', 'co', package], cwd=cwd)
413
414 def cmd_ls(options, parser):
415 upstream = get_upstream_names()
416 downstream, downstream_files = get_downstream_names()
417
418 matches = upstream & set(downstream.keys())
419 for module in matches:
420 print "\n".join(sorted(downstream[module]))
421
422 def cmd_patches(options, parser):
423 upstream = get_upstream_names()
424 downstream, downstream_files = get_downstream_names()
425
426 path = os.path.expanduser(PKGROOT)
427
428 import pprint
429
430 matches = upstream & set(downstream.keys())
431 for module in sorted(matches):
432 for srpm in downstream[module]:
433 for filename in downstream_files[srpm]:
434 if '.patch' in filename or '.diff' in filename:
435
436 p = Patch(os.path.join(path, srpm, "SOURCES", filename), show_path=options.path)
437 valid = ""
438 forwarded = ""
439 if p.dep3['headers']:
440 forwarded = p.dep3['headers'].get('Forwarded', "no")
441 if p.dep3['valid']:
442 valid="VALID"
443 print "\t".join((module, srpm, str(p), forwarded, valid))
444
445 def cmd_dep3(options, parser):
446 p = Patch(options.patch)
447 p.add_dep3()
448
449 def cmd_package_new_version(options, parser):
450 # Determine the package name
451 if options.upstream:
452 downstream, downstream_files = get_downstream_names()
453
454 if options.package not in downstream:
455 print >>sys.stderr, "ERROR: No packages for upstream name: %s" % options.package
456 sys.exit(1)
457
458 if len(downstream[options.package]) != 1:
459 # XXX - Make it more intelligent
460 print >>sys.stderr, "ERROR: Multiple packages found for %s: %s" % (options.package, ", ".join(downstream[options.package]))
461 sys.exit(1)
462
463 package = list(downstream[options.package])[0]
464 else:
465 package = options.package
466
467 # Directories packages are located in
468 root = os.path.expanduser(PKGROOT)
469 cwd = os.path.join(root, package)
470
471 # Checkout package to ensure the checkout reflects the latest changes
472 try:
473 subprocess.check_call(['mgarepo', 'co', package], cwd=root)
474 except subprocess.CalledProcessError:
475 sys.exit(1)
476
477 # SpecFile class handles the actual version+release change
478 s = SpecFile(os.path.join(cwd, "SPECS", "%s.spec" % package))
479 print "%s => %s" % (s.version, options.version)
480 if not s.update(options.version):
481 sys.exit(1)
482
483 # We can even checkin and submit :-)
484 if options.submit:
485 try:
486 # checkin changes
487 subprocess.check_call(['mgarepo', 'ci', '-m', 'new version %s' % options.version], cwd=cwd)
488 # and submit
489 subprocess.check_call(['mgarepo', 'submit'], cwd=cwd)
490 except subprocess.CalledProcessError:
491 sys.exit(1)
492
493
494 def main():
495 description = """Mageia GNOME commands."""
496 epilog="""Report bugs to Olav Vitters"""
497 parser = argparse.ArgumentParser(description=description,epilog=epilog)
498
499 # SUBPARSERS
500 subparsers = parser.add_subparsers(title='subcommands')
501 # install
502 subparser = subparsers.add_parser('co', help='checkout all GNOME modules')
503 subparser.set_defaults(
504 func=cmd_co
505 )
506
507 subparser = subparsers.add_parser('packages', help='list all GNOME packages')
508 subparser.set_defaults(
509 func=cmd_ls
510 )
511
512 subparser = subparsers.add_parser('patches', help='list all GNOME patches')
513 subparser.add_argument("-p", "--path", action="store_true", dest="path",
514 help="Show full path to patch")
515 subparser.set_defaults(
516 func=cmd_patches, path=False
517 )
518
519 subparser = subparsers.add_parser('dep3', help='Add dep3 headers')
520 subparser.add_argument("patch", help="Patch")
521 subparser.set_defaults(
522 func=cmd_dep3, path=False
523 )
524
525 subparser = subparsers.add_parser('increase', help='Increase version number')
526 subparser.add_argument("package", help="Package name")
527 subparser.add_argument("version", help="Version number")
528 subparser.add_argument("-u", "--upstream", action="store_true", dest="upstream",
529 help="Package name reflects the upstream name")
530 subparser.add_argument("-s", "--submit", action="store_true", dest="submit",
531 help="Commit changes and submit")
532 subparser.set_defaults(
533 func=cmd_package_new_version, submit=False, upstream=False
534 )
535
536 if len(sys.argv) == 1:
537 parser.print_help()
538 sys.exit(2)
539
540 options = parser.parse_args()
541
542 try:
543 options.func(options, parser)
544 except KeyboardInterrupt:
545 print('Interrupted')
546 sys.exit(1)
547 except EOFError:
548 print('EOF')
549 sys.exit(1)
550 except IOError, e:
551 if e.errno != errno.EPIPE:
552 raise
553 sys.exit(0)
554
555 if __name__ == "__main__":
556 main()

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