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Use pread for ordinary reads as well

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Kovid Goyal 2025-04-09 08:02:57 +05:30
parent 938b0b440f
commit 69240e00a4
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1 changed files with 6 additions and 2 deletions
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src/calibre/utils/zipfile.py
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@ -536,7 +536,7 @@ class ZipExtFile(io.BufferedIOBase):
self._fileobj = fileobj self._fileobj = fileobj
self._pread_fd = pread_fd self._pread_fd = pread_fd
self._decrypter = decrypter self._decrypter = decrypter
self._orig_pos = pos self._orig_pos = self._pread_pos = pos
self._compress_type = zipinfo.compress_type self._compress_type = zipinfo.compress_type
self._compress_size = zipinfo.compress_size self._compress_size = zipinfo.compress_size
@ -673,7 +673,11 @@ class ZipExtFile(io.BufferedIOBase):
nbytes = max(nbytes, self.MIN_READ_SIZE) nbytes = max(nbytes, self.MIN_READ_SIZE)
nbytes = min(nbytes, self._compress_left) nbytes = min(nbytes, self._compress_left)
data = self._fileobj.read(nbytes) if self._pread_fd > -1:
data = pread_all(self._pread_fd, nbytes, self._pread_pos)
self._pread_pos += len(data)
else:
data = self._fileobj.read(nbytes)
self._compress_left -= len(data) self._compress_left -= len(data)
if data and self._decrypter is not None: if data and self._decrypter is not None: