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import tempfile
import sys
import os
import stat
from Patch import Patch, PatchSeries
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))
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 "DiffGzHandler testing"
try:
dh = DiffGzHandler(sys.argv[1])
except IndexError:
print "usage: %s <diffgz>"%(sys.argv[0])
sys.exit(1)
print "debian dir:"
print dh.debiandir().diffstat()
print "nondebian dir:"
print dh.nondebiandir().diffstat()
print "series:"
s = dh.series()
print s
for name,patch in s.iterpatches():
print "patch:",name
print patch.diffstat()
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