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605ebddbea
writes a chunk of compressed data, closes it, writes another chunk, and reads the contents back to verify that they are the same.
31 lines
722 B
Python
31 lines
722 B
Python
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import sys, os
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import gzip, tempfile
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filename = tempfile.mktemp()
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data1 = """ int length=DEFAULTALLOC, err = Z_OK;
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PyObject *RetVal;
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int flushmode = Z_FINISH;
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unsigned long start_total_out;
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"""
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data2 = """/* zlibmodule.c -- gzip-compatible data compression */
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/* See http://www.cdrom.com/pub/infozip/zlib/ */
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/* See http://www.winimage.com/zLibDll for Windows */
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"""
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f = gzip.GzipFile(filename, 'w') ; f.write(data1) ; f.close()
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f = gzip.GzipFile(filename, 'r') ; d = f.read() ; f.close()
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assert d == data1
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# Append to the previous file
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f = gzip.GzipFile(filename, 'a') ; f.write(data2) ; f.close()
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f = gzip.GzipFile(filename, 'r') ; d = f.read() ; f.close()
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assert d == data1+data2
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os.unlink( filename )
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