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import sys
import os
import errno
from glob import glob
import tarfile
from subprocess import Popen, PIPE
from shutil import copyfileobj
class Diffstat:
def __init__(self, patch, ghost=False, patch_fh=None):
self.patch = patch
self.ghost = ghost
if not ghost:
i,o = os.popen2("diffstat -p1")
i.write(str(patch))
i.close()
self.output = o.readlines()
else:
popen = Popen("diffstat -p1 -t", shell=True, close_fds=True,
stdin=PIPE, stdout=PIPE, stderr=PIPE)
popen.stderr.close()
copyfileobj(patch_fh, popen.stdin)
popen.stdin.close()
popen.stdout.readline()
self._stats = map(lambda x: map(lambda y: y.strip(), x.split(',', 3)), popen.stdout.readlines())
popen.wait()
def stats(self):
if not self.ghost:
i,o = os.popen2("diffstat -p1 -t")
i.write(str(self.patch))
i.close()
o.readline()
return [map(lambda x: x.strip(), l.split(",", 3)) for l in o.readlines()]
else:
return self._stats
def lines(self):
added, removed, modified = 0, 0, 0
for [added2, removed2, modified2, name] in self.stats():
added, removed, modified = added + int(added2), removed + int(removed2), modified + int(modified2)
return (added, removed, modified)
def summary(self):
return self.output[-1]
def __str__(self):
return "".join(self.output)
class Patch:
def __init__(self, fh, level=1, ghost=False):
self.ghost = ghost
if not ghost:
self.p = fh.readlines()
else:
self.p = []
self._diffstat = Diffstat(self, ghost=True, patch_fh=fh)
self.lvl = level
def __str__(self):
return "".join(self.p)
def lines(self):
return len(self.p)
def diffstat(self):
if not self.ghost:
return Diffstat(self)
else:
return self._diffstat
class GenericPatchSeries (list):
def blank(self):
self.names = []
self.style = "unknown"
self.patches = {}
self.patchargs = {}
# WTF am i doing this for, again?
def iterpatches(self):
for p in self.names:
yield (p, self.patches[p])
def __iter__(self):
return self.iterpatches()
def __getitem__(self, y):
return self.patches[self.names[y]]
def __len__(self):
return len(self.names)
def fetch(self, name):
return self.patches[name]
def __str__(self):
return "\n".join(self.names)
# XXX this entire __init__ stuff is way to ugly
class PatchSeries (GenericPatchSeries):
def __init__(self, dir, ghost=False):
self.ghost = ghost
fd = None
self.blank()
self.style = "simple"
try:
fd = file(os.sep.join([dir, "00list"]))
self.style = "dpatch"
except IOError, e:
if e.errno != errno.ENOENT:
#print "ERROR: unable to open dpatch list..."
self.blank()
return
try:
fd = file(os.sep.join([dir, "series"]))
self.style = "quilt"
except IOError, e:
if e.errno != errno.ENOENT:
#print "ERROR: series file is a directory..."
self.blank()
return
if fd:
# remove blank lines
for line in filter(None, [n.strip() for n in fd.readlines()]):
stuff = line.split(' ')
# skip comments
if stuff[0][0] == "#":
continue
# here's the name
name = stuff[0]
#print "\t\t\t%s: %s"%(self.style,name)
self.names.append(name)
# anything else are either patch args or comments
self.patchargs[name] = []
for rest in filter(None, stuff[1:]):
if rest[0][0] == "#":
break
else:
self.patchargs[name].append(rest)
else:
self.names = os.listdir(dir)
self.names.sort()
for n in self.names:
self.patchargs[n] = []
# XXX this code is too ugly
removelater=[]
for p in self.names:
try:
self.patches[p] = Patch(file(os.sep.join([dir, p])), ghost=ghost)
except IOError, e:
if e.errno == errno.ENOENT and self.style == "dpatch":
try:
self.patches[p] = Patch(file(os.sep.join([dir, p+".dpatch"])), ghost=ghost)
except:
#print "ERROR: could not find patch",p
self.blank()
return
elif e.errno == errno.EISDIR:
#print "WARNING: directory %s in patch dir, patch list incomplete"%(p)
removelater.append(p)
else:
#print "ERROR: could not find patch",p
self.blank()
return
for p in removelater:
self.names.remove(p)
class Quilt30PatchSeries (GenericPatchSeries):
def __init__(self, tarBall, ghost=False):
self.blank()
self.ghost = ghost
self.style = "quilt (3.0)"
self.tarfh = tarfile.open(tarBall, 'r:*')
try:
try:
series_fh = self.tarfh.extractfile("debian/patches/debian.series")
except KeyError:
series_fh = self.tarfh.extractfile("debian/patches/series")
except KeyError:
series_fh = None
if series_fh:
for line in filter(None, [fn.strip() for fn in series_fh.readlines()]):
stuff = line.split(' ')
# skip comments
if stuff[0][0] == "#":
continue
# here's the name
name = stuff[0]
self.names.append(name)
# XXX to lazy eval this might be better
for name in self.names:
self.patches[name] = Patch(self.tarfh.extractfile("debian/patches/"+name), ghost=ghost)
if __name__ == "__main__":
print "Patch.py testing"
try:
p = Patch(file(sys.argv[1]))
print "patch contents:"
print p
except IndexError:
print "usage: %s <patch>"
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