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78 lines
2.6 KiB
Python
78 lines
2.6 KiB
Python
import zlib # implied prerequisite
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import zipfile, os, StringIO, tempfile
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from test_support import TestFailed
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srcname = "junk9630"+os.extsep+"tmp"
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zipname = "junk9708"+os.extsep+"tmp"
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def zipTest(f, compression, srccontents):
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zip = zipfile.ZipFile(f, "w", compression) # Create the ZIP archive
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zip.write(srcname, "another"+os.extsep+"name")
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zip.write(srcname, srcname)
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zip.close()
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zip = zipfile.ZipFile(f, "r", compression) # Read the ZIP archive
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readData2 = zip.read(srcname)
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readData1 = zip.read("another"+os.extsep+"name")
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zip.close()
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if readData1 != srccontents or readData2 != srccontents:
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raise TestFailed, "Written data doesn't equal read data."
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try:
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fp = open(srcname, "wb") # Make a source file with some lines
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for i in range(0, 1000):
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fp.write("Test of zipfile line %d.\n" % i)
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fp.close()
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fp = open(srcname, "rb")
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writtenData = fp.read()
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fp.close()
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for file in (zipname, tempfile.TemporaryFile(), StringIO.StringIO()):
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zipTest(file, zipfile.ZIP_STORED, writtenData)
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for file in (zipname, tempfile.TemporaryFile(), StringIO.StringIO()):
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zipTest(file, zipfile.ZIP_DEFLATED, writtenData)
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finally:
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if os.path.isfile(srcname): # Remove temporary files
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os.unlink(srcname)
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if os.path.isfile(zipname):
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os.unlink(zipname)
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# This test checks that the ZipFile constructor closes the file object
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# it opens if there's an error in the file. If it doesn't, the traceback
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# holds a reference to the ZipFile object and, indirectly, the file object.
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# On Windows, this causes the os.unlink() call to fail because the
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# underlying file is still open. This is SF bug #412214.
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#
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fp = open(srcname, "w")
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fp.write("this is not a legal zip file\n")
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fp.close()
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try:
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zf = zipfile.ZipFile(srcname)
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except zipfile.BadZipfile:
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os.unlink(srcname)
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# make sure we don't raise an AttributeError when a partially-constructed
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# ZipFile instance is finalized; this tests for regression on SF tracker
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# bug #403871.
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try:
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zipfile.ZipFile(srcname)
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except IOError:
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# The bug we're testing for caused an AttributeError to be raised
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# when a ZipFile instance was created for a file that did not
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# exist; the .fp member was not initialized but was needed by the
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# __del__() method. Since the AttributeError is in the __del__(),
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# it is ignored, but the user should be sufficiently annoyed by
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# the message on the output that regression will be noticed
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# quickly.
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pass
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else:
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raise TestFailed("expected creation of readable ZipFile without\n"
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" a file to raise an IOError.")
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