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make size recording format the same as migz #6

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make size recording format the same as migz #6

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8 changes: 4 additions & 4 deletions mgzip/multiProcGzip.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@

__version__ = "0.2.1"

SID = b'IG' # Subfield ID of indexed gzip file
SID = b'MZ' # Subfield ID of indexed gzip file

def open(filename, mode="rb", compresslevel=9,
encoding=None, errors=None, newline=None,
Expand Down Expand Up @@ -330,7 +330,7 @@ def _write_member_header(self, compressed_size, raw_size):
member_size = 20 + len(fname) + 1 + compressed_size + 8
if not fname:
member_size -= 1
self.fileobj.write(struct.pack("<I", member_size)) # member size, 4 bytes
self.fileobj.write(struct.pack("<I", compressed_size)) # member size, 4 bytes
if fname:
self.fileobj.write(fname + b'\000')
return member_size
Expand Down Expand Up @@ -587,7 +587,7 @@ def read(self, size=-1):

if self._is_IG_member:
# 8 bytes for crc32 and isize
cpr_size = self.memberidx[-1] - self._header_size - 8
cpr_size = self.memberidx[-1]
self._decompress_async(self._fp.read(cpr_size),
*self._read_eof_crc())
self.thread -= 1
Expand Down Expand Up @@ -664,4 +664,4 @@ def set_block_iter(self, block_start_list):
self.block_start_iter = iter(block_start_list)

def clear_block_iter(self):
self.block_start_iter = None
self.block_start_iter = None