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import glob, os, shutil
class Operation(object):
def __init__(self, name, data):
self.name, self.data = name, data
def __call__(self, dir = '.', reverse = False):
try:
if not reverse:
self.do(dir)
else:
self.do_reverse(dir)
self._log(True)
except:
self._log(False)
raise
def _log(self, result):
if result:
s = "OK"
else:
s = "FAIL"
print """ (%s) %-4s %s""" % (self.operation, s, self.name)
def do(self, dir):
raise NotImplementedError
def do_reverse(self, dir):
raise NotImplementedError
class OperationPatch(Operation):
def __init__(self, name, fp, data):
super(OperationPatch, self).__init__(name, data)
self.fp = fp
def _call(self, dir, extraargs):
cmdline = "cd %s; patch -p1 -f -s -t --no-backup-if-mismatch %s" % (dir, extraargs)
f = os.popen(cmdline, 'wb')
shutil.copyfileobj(self.fp, f)
if f.close():
raise RuntimeError("Patch failed")
def patch_push(self, dir):
self._call(dir, '--fuzz=1')
def patch_pop(self, dir):
self._call(dir, '-R')
class OperationPatchPush(OperationPatch):
operation = '+'
do = OperationPatch.patch_push
do_reverse = OperationPatch.patch_pop
class OperationPatchPop(OperationPatch):
operation = '-'
do = OperationPatch.patch_pop
do_reverse = OperationPatch.patch_push
class SubOperation(Operation):
def _log(self, result):
if result:
s = "OK"
else:
s = "FAIL"
print """ %-10s %-4s %s""" % ('(%s)' % self.operation, s, self.name)
class SubOperationFilesRemove(SubOperation):
operation = "remove"
def do(self, dir):
name = os.path.join(dir, self.name)
for n in glob.iglob(name):
if os.path.isdir(n):
shutil.rmtree(n)
else:
os.unlink(n)
class SubOperationFilesUnifdef(SubOperation):
operation = "unifdef"
def do(self, dir):
filename = os.path.join(dir, self.name)
cmdline = "unifdef %s %s" % (filename, ' '.join(self.data))
f = os.popen(cmdline, 'rb')
data = f.read()
ret = f.close()
if ret is None:
raise RuntimeError("unifdef of %s removed nothing" % self.name)
elif ret != 256:
raise RuntimeError("unifdef failed")
f1 = file(filename, 'wb')
f1.write(data)
f1.close()
class OperationFiles(Operation):
operation = 'X'
suboperations = {
'remove': SubOperationFilesRemove,
'rm': SubOperationFilesRemove,
'unifdef': SubOperationFilesUnifdef,
}
def __init__(self, name, fp, data):
super(OperationFiles, self).__init__(name, data)
ops = []
for line in fp:
line = line.strip()
if not line or line[0] == '#':
continue
items = line.split()
operation, filename = items[:2]
data = items[2:]
if operation not in self.suboperations:
raise RuntimeError('Undefined operation "%s" in series %s' % (operation, name))
ops.append(self.suboperations[operation](filename, data))
self.ops = ops
def do(self, dir):
for i in self.ops:
i(dir = dir)
class PatchSeries(list):
operations = {
'+': OperationPatchPush,
'-': OperationPatchPop,
'X': OperationFiles,
}
def __init__(self, name, root, fp):
self.name, self.root = name, root
from gzip import GzipFile
from bz2 import BZ2File
for line in fp:
line = line.strip()
if not len(line) or line[0] == '#':
continue
items = line.split(' ')
operation, filename = items[:2]
data = items[2:]
if operation in self.operations:
f = os.path.join(self.root, filename)
for suffix, cls in (('', file), ('.bz2', BZ2File), ('.gz', GzipFile)):
f1 = f + suffix
if os.path.exists(f1):
fp = cls(f1)
break
else:
raise RuntimeError("Can't find patch %s for series %s" % (filename, self.name))
else:
raise RuntimeError('Undefined operation "%s" in series %s' % (operation, name))
self.append(self.operations[operation](filename, fp, data))
def __call__(self, cond = bool, dir = '.', reverse = False):
if not reverse:
l = self
else:
l = self[::-1]
for i in l:
if cond(i):
i(dir = dir, reverse = reverse)
def __repr__(self):
return '<%s object for %s>' % (self.__class__.__name__, self.name)
class PatchSeriesList(list):
def __call__(self, cond = bool, reverse = False):
if not reverse:
l = self
else:
l = self[::-1]
for i in l:
if reverse:
print "--> Try to unapply %s." % i.name
else:
print "--> Try to apply %s." % i.name
i(cond = cond, reverse = reverse)
if reverse:
print "--> %s fully unapplied." % i.name
else:
print "--> %s fully applied." % i.name
@classmethod
def read(cls, home, files):
ret = cls()
for i in files:
try:
fp = file(os.path.join(home, 'series', i))
ret.append(PatchSeries(i, home, fp))
except IOError:
pass
return ret
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