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Add a tell() method to PatchFile to track how much has been written

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Kovid Goyal 2021-10-03 10:18:28 +05:30
parent f6e518d2f9
commit 3a373a200c
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1 changed files with 5 additions and 0 deletions
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kittens/transfer/librsync.py
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@ -120,6 +120,11 @@ class PatchFile(StreamingJob):
job = begin_patch(self.read_from_src)
super().__init__(job, output_buf_size=4 * IO_BUFFER_SIZE)
def tell(self) -> int:
if self.dest_file.closed:
return os.path.getsize(self.src_file.name if self.overwrite_src else self.dest_file.name)
return self.dest_file.tell()
def read_from_src(self, b: memoryview, pos: int) -> int:
self.src_file.seek(pos)
return self.src_file.readinto(b) # type: ignore