def diff(src_bytes, dst_bytes):
"""diff(src_bytes, dst_bytes) -> bytes
Return a BSDIFF4-format patch (from src_bytes to dst_bytes) as bytes.
"""
faux = StringIO()
write_patch(faux, len(dst_bytes), *core.diff(src_bytes, dst_bytes))
return faux.getvalue()
def file_diff(src_path, dst_path, patch_path):
"""file_diff(src_path, dst_path, patch_path)
Write a BSDIFF4-format patch (from the file src_path to the file dst_path)
to the file patch_path.
"""
src = read_data(src_path)
dst = read_data(dst_path)
with open(patch_path, 'wb') as fo:
write_patch(fo, len(dst), *core.diff(src, dst))
def file_diff(src_path, dst_path, patch_path):
"""file_diff(src_path, dst_path, patch_path)
Write a BSDIFF4-format patch (from the file src_path to the file dst_path)
to the file patch_path.
"""
src = read_data(src_path)
dst = read_data(dst_path)
fo = open(patch_path, 'wb')
write_patch(fo, len(dst), *core.diff(src, dst))
fo.close()