mirror of
https://github.com/python/cpython.git
synced 2024-12-25 01:34:48 +08:00
55 lines
1.2 KiB
Python
55 lines
1.2 KiB
Python
|
|
import sys, os
|
|
import gzip, tempfile
|
|
|
|
filename = tempfile.mktemp()
|
|
|
|
data1 = """ int length=DEFAULTALLOC, err = Z_OK;
|
|
PyObject *RetVal;
|
|
int flushmode = Z_FINISH;
|
|
unsigned long start_total_out;
|
|
|
|
"""
|
|
|
|
data2 = """/* zlibmodule.c -- gzip-compatible data compression */
|
|
/* See http://www.cdrom.com/pub/infozip/zlib/ */
|
|
/* See http://www.winimage.com/zLibDll for Windows */
|
|
"""
|
|
|
|
f = gzip.GzipFile(filename, 'wb') ; f.write(data1 * 50) ; f.close()
|
|
|
|
f = gzip.GzipFile(filename, 'rb') ; d = f.read() ; f.close()
|
|
assert d == data1*50
|
|
|
|
# Append to the previous file
|
|
f = gzip.GzipFile(filename, 'ab') ; f.write(data2 * 15) ; f.close()
|
|
|
|
f = gzip.GzipFile(filename, 'rb') ; d = f.read() ; f.close()
|
|
assert d == (data1*50) + (data2*15)
|
|
|
|
# Try .readline() with varying line lengths
|
|
|
|
f = gzip.GzipFile(filename, 'rb')
|
|
line_length = 0
|
|
while 1:
|
|
L = f.readline( line_length )
|
|
if L == "" and line_length != 0: break
|
|
assert len(L) <= line_length
|
|
line_length = (line_length + 1) % 50
|
|
f.close()
|
|
|
|
# Try .readlines()
|
|
|
|
f = gzip.GzipFile(filename, 'rb')
|
|
L = f.readlines()
|
|
f.close()
|
|
|
|
f = gzip.GzipFile(filename, 'rb')
|
|
while 1:
|
|
L = f.readlines(150)
|
|
if L == []: break
|
|
f.close()
|
|
|
|
|
|
os.unlink( filename )
|