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import patches
class PatchSource(object):
def __iter__(self):
def iterator(obj):
for p in obj.read():
yield p
return iterator(self)
def can_live_update(self):
return False
def readlines(self):
raise NotImplementedError()
def readhunks(self):
return patches.parse_patches(self.readlines())
class FilePatchSource(PatchSource):
def __init__(self, filename):
self.filename = filename
PatchSource.__init__(self)
def readlines(self):
f = open(self.filename, 'r')
return f.readlines()
class BzrPatchSource(PatchSource):
def __init__(self, revision=None, file_list=None):
from bzrlib.branch import Branch
self.revision = revision
self.file_list = file_list
if file_list is not None and len(file_list) > 0:
location = file_list[0]
else:
location = '.'
self.branch = Branch.open_containing(location)[0]
PatchSource.__init__(self)
def can_live_update(self):
return True
def readlines(self):
from StringIO import StringIO
from bzrlib.diff import show_diff
f = StringIO()
show_diff(self.branch, self.revision,
specific_files=self.file_list, output=f)
f.seek(0)
return f.readlines()
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