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import errno
import os
import stat
import sys
import tempfile
from glob import glob
import pygments
import pygments.lexers
import pygments.formatters
import tarfile
class Diffstat:
def __init__(self, patch):
self.patch = patch
i,o = os.popen2("diffstat -p1")
i.write(str(patch))
i.close()
self.output = o.readlines()
def stats(self):
i,o = os.popen2("diffstat -p1 -t")
i.write(str(self.patch))
i.close()
o.readline()
return [map(lambda x: x.strip(), l.split(",")) for l in o.readlines()]
def summary(self):
return self.output[-1]
def __str__(self):
return "".join(self.output)
class Patch:
def __init__(self, fh, level=1):
self.p = fh.readlines()
self.lvl = level
def __str__(self):
return "".join(self.p)
def lines(self):
return len(self.p)
def diffstat(self):
return Diffstat(self)
def highlight(self):
for enc in ['utf-8', 'latin-1']:
try:
return pygments.highlight(str(self).decode(enc), pygments.lexers.DiffLexer(),
pygments.formatters.HtmlFormatter(style='colorful', noclasses=True, encoding=enc, nobackground=True))
except UnicodeDecodeError:
pass
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):
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])))
except IOError, e:
if e.errno == errno.ENOENT and self.style == "dpatch":
try:
self.patches[p] = Patch(file(os.sep.join([dir, p+".dpatch"])))
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):
self.blank()
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))
class DebTarHandler:
diff = None
def __init__(self,fname):
self.tarfile = fname
self.size = os.stat(fname)[stat.ST_SIZE]
def series(self):
return Quilt30PatchSeries(self.tarfile)
class DiffGzException(Exception):
pass
class DiffGzHandler:
diff = None
def __init__(self,fname):
self.diff = fname
self.size = os.stat(fname)[stat.ST_SIZE]
def filterdiff(self, include=None, exclude=None):
cmd = ["filterdiff","-z","-p","1"]
if include:
cmd += [ "-i", include]
elif exclude:
cmd += [ "-x", exclude]
else:
raise Exception("DiffGzHandler.filterdiff called w/o include/exclude")
i,o,e=os.popen3(cmd+[self.diff])
i.close()
p = Patch(o)
err = e.read()
if len(err):
raise DiffGzException("filterdiff gave errors: "+err)
return p
def debiandir(self):
return self.filterdiff(include='debian/*')
def nondebiandir(self):
return self.filterdiff(exclude='debian/*')
def series(self):
patches = None
embedded = self.filterdiff(include='debian/patches*')
# XXX *cough* cache *cough*
if embedded.lines():
td = tempfile.mkdtemp()
i,o,e=os.popen3("patch -d %s -p3"%(td))
o.close()
i.write(str(embedded))
i.close()
err = e.read()
if len(err):
raise Exception("unable to extract series patches:\n"+err)
patches = PatchSeries(td)
os.system("rm -rf %s"%(td))
return patches
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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