def __init__(self, filename=None, mode='r', fileobj=None):
ArFile.__init__(self, filename, mode, fileobj)
actual_names = set(self.getnames())
def compressed_part_name(basename):
global PART_EXTS
candidates = [ '%s.%s' % (basename, ext) for ext in PART_EXTS ]
parts = actual_names.intersection(set(candidates))
if not parts:
raise DebError("missing required part in given .deb" \
" (expected one of: %s)" % candidates)
elif len(parts) > 1:
raise DebError("too many parts in given .deb" \
" (was looking for only one of: %s)" % candidates)
else: # singleton list
return list(parts)[0]
if not INFO_PART in actual_names:
raise DebError("missing required part in given .deb" \
" (expected: '%s')" % INFO_PART)
self.__parts = {}
self.__parts[CTRL_PART] = DebControl(self.getmember(
compressed_part_name(CTRL_PART)))
self.__parts[DATA_PART] = DebData(self.getmember(
compressed_part_name(DATA_PART)))
self.__pkgname = None # updated lazily by __updatePkgName
f = self.getmember(INFO_PART)
self.__version = f.read().strip()
f.close()
def compare_deb_files(path1, path2, source=None):
differences = []
# look up differences in content
ar1 = ArFile(filename=path1)
ar2 = ArFile(filename=path2)
with make_temp_directory() as temp_dir1:
with make_temp_directory() as temp_dir2:
logger.debug('content1 %s', ar1.getnames())
logger.debug('content2 %s', ar2.getnames())
for name in sorted(set(ar1.getnames())
.intersection(ar2.getnames())):
logger.debug('extract member %s', name)
member1 = ar1.getmember(name)
member2 = ar2.getmember(name)
in_path1 = os.path.join(temp_dir1, name)
in_path2 = os.path.join(temp_dir2, name)
with open(in_path1, 'w') as f1:
f1.write(member1.read())
with open(in_path2, 'w') as f2:
f2.write(member2.read())
differences.extend(
debbindiff.comparators.compare_files(
in_path1, in_path2, source=name))
os.unlink(in_path1)
os.unlink(in_path2)
# look up differences in file list and file metadata
content1 = get_ar_content(path1)
content2 = get_ar_content(path2)
difference = Difference.from_unicode(
content1, content2, path1, path2, source="metadata")
if difference:
differences.append(difference)
return differences
def main():
if os.path.exists('data') and not os.path.isdir('data'):
print "data is not a directory."
return 1
elif not os.path.exists('data'):
# Create the directory if it doesn't already exist.
os.mkdir('data')
mirror = 'http://http.us.debian.org/debian'
dictionaries = {
'wbritish-small': {
'download': '/pool/main/s/scowl/wbritish-small_7.1-1_all.deb',
'filename': 'british-english-small',
},
'wbritish-large': {
'download': '/pool/main/s/scowl/wbritish-large_7.1-1_all.deb',
'filename': 'british-english-large',
},
'wbritish-huge': {
'download': '/pool/main/s/scowl/wbritish-huge_7.1-1_all.deb',
'filename': 'british-english-huge',
},
# This possibly contains invalid words (as well ones that are very uncommon)
'wbritish-insane': {
'download': '/pool/main/s/scowl/wbritish-insane_7.1-1_all.deb',
'filename': 'british-english-insane',
},
}
# Choose which dictionary to use
dictionary = dictionaries['wbritish-insane']
dictionaryUri = mirror + dictionary['download']
try:
import debian
except ImportError:
debian = importDebian()
from debian.arfile import ArFile
debFile = 'data/wordlist.deb'
print "Downloading " + dictionaryUri
response = urllib2.urlopen(dictionaryUri)
with open(debFile, 'wb') as fw:
shutil.copyfileobj(response, fw)
ar = ArFile(debFile)
data = [m for m in ar.members if 'data.tar.gz' == m.name][0]
with tarfile.open(fileobj=data, mode="r:gz") as tar:
wordlist = tar.extractfile('./usr/share/dict/' +
dictionary['filename'])
with open('data/wordlist.txt', 'w') as fw:
shutil.copyfileobj(wordlist, fw)
return 0
def __init__(self, filename=None, mode='r', fileobj=None):
# type: (str, str, IO[bytes]) -> None
ArFile.__init__(self, filename, mode, fileobj)
actual_names = set(self.getnames())
def compressed_part_name(basename):
# type: (str) -> str
candidates = ['%s.%s' % (basename, ext) for ext in PART_EXTS]
# also permit uncompressed data.tar and control.tar
if basename in (DATA_PART, CTRL_PART):
candidates.append(basename)
parts = actual_names.intersection(set(candidates))
if not parts:
raise DebError(
"missing required part in given .deb"
" (expected one of: %s)" % candidates)
if len(parts) > 1:
raise DebError(
"too many parts in given .deb"
" (was looking for only one of: %s)" % candidates)
return list(parts)[0] # singleton list
if INFO_PART not in actual_names:
raise DebError(
"missing required part in given .deb"
" (expected: '%s')" % INFO_PART)
self.__parts = {} # type: Dict[str, DebPart]
self.__parts[CTRL_PART] = DebControl(self.getmember(
compressed_part_name(CTRL_PART)))
self.__parts[DATA_PART] = DebData(self.getmember(
compressed_part_name(DATA_PART)))
self.__pkgname = None # updated lazily by __updatePkgName
f = self.getmember(INFO_PART)
self.__version = f.read().strip()
f.close()
def compare_deb_files(path1, path2, source=None):
differences = []
# look up differences in content
ar1 = ArFile(filename=path1)
ar2 = ArFile(filename=path2)
with make_temp_directory() as temp_dir1:
with make_temp_directory() as temp_dir2:
logger.debug('content1 %s', ar1.getnames())
logger.debug('content2 %s', ar2.getnames())
for name in sorted(
set(ar1.getnames()).intersection(ar2.getnames())):
logger.debug('extract member %s', name)
member1 = ar1.getmember(name)
member2 = ar2.getmember(name)
in_path1 = os.path.join(temp_dir1, name)
in_path2 = os.path.join(temp_dir2, name)
with open(in_path1, 'w') as f1:
f1.write(member1.read())
with open(in_path2, 'w') as f2:
f2.write(member2.read())
differences.extend(
debbindiff.comparators.compare_files(in_path1,
in_path2,
source=name))
os.unlink(in_path1)
os.unlink(in_path2)
# look up differences in file list and file metadata
content1 = get_ar_content(path1)
content2 = get_ar_content(path2)
difference = Difference.from_unicode(content1,
content2,
path1,
path2,
source="metadata")
if difference:
differences.append(difference)
return differences
# CREATE TEMPORARY DIR
try:
tf = "%Y%m%d%H%M%S"; lt = localtime()
timestr = strftime(tf,lt)
dirpath = "%s.bundle.%s" % (pkgname, timestr)
os.mkdir(dirpath)
tree = ["Ubuntu","Sys","Data","Icons","BundleData"]
for i in tree:
os.mkdir(os.path.join(dirpath,i))
except:
print "No write permissions. Quitting."
fallback()
# INHABIT
try:
arfile = ArFile(pkgfile)
except:
print "Could not read AR format. Quitting."
fallback()
try:
debian_binary = arfile.getmember("debian-binary")
x = open(os.path.join(dirpath,tree[0],"debian-binary"),"w")
x.write(debian_binary.read())
x.close()
except:
print "Warning: Inconsistent package: Missing file debian-binary"
pass
try:
if "control.tar.gz" in arfile.getnames():
