Patch #1622: Correct interpretation of various ZIP header fields.
Also fixes
- Issue #1526: Allow more than 64k files to be added to Zip64 file.
- Issue #1746: Correct handling of zipfile archive comments (previously
archives with comments over 4k were flagged as invalid). Allow writing
Zip files with archives by setting the 'comment' attribute of a ZipFile.
diff --git a/Lib/test/test_zipfile.py b/Lib/test/test_zipfile.py
index 4bc2104..90ac4f6 100644
--- a/Lib/test/test_zipfile.py
+++ b/Lib/test/test_zipfile.py
@@ -712,6 +712,54 @@
zipf.writestr("foo.txt\x00qqq", "O, for a Muse of Fire!")
self.assertEqual(zipf.namelist(), ['foo.txt'])
+ def test_StructSizes(self):
+ # check that ZIP internal structure sizes are calculated correctly
+ self.assertEqual(zipfile.sizeEndCentDir, 22)
+ self.assertEqual(zipfile.sizeCentralDir, 46)
+ self.assertEqual(zipfile.sizeEndCentDir64, 56)
+ self.assertEqual(zipfile.sizeEndCentDir64Locator, 20)
+
+ def testComments(self):
+ # This test checks that comments on the archive are handled properly
+
+ # check default comment is empty
+ zipf = zipfile.ZipFile(TESTFN, mode="w")
+ self.assertEqual(zipf.comment, '')
+ zipf.writestr("foo.txt", "O, for a Muse of Fire!")
+ zipf.close()
+ zipfr = zipfile.ZipFile(TESTFN, mode="r")
+ self.assertEqual(zipfr.comment, '')
+ zipfr.close()
+
+ # check a simple short comment
+ comment = 'Bravely taking to his feet, he beat a very brave retreat.'
+ zipf = zipfile.ZipFile(TESTFN, mode="w")
+ zipf.comment = comment
+ zipf.writestr("foo.txt", "O, for a Muse of Fire!")
+ zipf.close()
+ zipfr = zipfile.ZipFile(TESTFN, mode="r")
+ self.assertEqual(zipfr.comment, comment)
+ zipfr.close()
+
+ # check a comment of max length
+ comment2 = ''.join(['%d' % (i**3 % 10) for i in xrange((1 << 16)-1)])
+ zipf = zipfile.ZipFile(TESTFN, mode="w")
+ zipf.comment = comment2
+ zipf.writestr("foo.txt", "O, for a Muse of Fire!")
+ zipf.close()
+ zipfr = zipfile.ZipFile(TESTFN, mode="r")
+ self.assertEqual(zipfr.comment, comment2)
+ zipfr.close()
+
+ # check a comment that is too long is truncated
+ zipf = zipfile.ZipFile(TESTFN, mode="w")
+ zipf.comment = comment2 + 'oops'
+ zipf.writestr("foo.txt", "O, for a Muse of Fire!")
+ zipf.close()
+ zipfr = zipfile.ZipFile(TESTFN, mode="r")
+ self.assertEqual(zipfr.comment, comment2)
+ zipfr.close()
+
def tearDown(self):
support.unlink(TESTFN)
support.unlink(TESTFN2)