René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"0.2.3 regression: struct.error: byte format requires -128 \u003c= number \u003c= 127","articleBody":"Here's an xxd dump of a file that passes a loads/dumps roundtrip in 0.2.2, but fails in 0.2.3:\r\n\r\n```\r\n0000000: aced 0005 7372 0033 636f 6d2e 7375 6e2e  ....sr.3com.sun.\r\n0000010: 6372 7970 746f 2e70 726f 7669 6465 722e  crypto.provider.\r\n0000020: 5365 616c 6564 4f62 6a65 6374 466f 724b  SealedObjectForK\r\n0000030: 6579 5072 6f74 6563 746f 72cd 57ca 59e7  eyProtector.W.Y.\r\n0000040: 30bb 5302 0000 7872 0019 6a61 7661 782e  0.S...xr..javax.\r\n0000050: 6372 7970 746f 2e53 6561 6c65 644f 626a  crypto.SealedObj\r\n0000060: 6563 743e 363d a6c3 b754 7002 0004 5b00  ect\u003e6=...Tp...[.\r\n0000070: 0d65 6e63 6f64 6564 5061 7261 6d73 7400  .encodedParamst.\r\n0000080: 025b 425b 0010 656e 6372 7970 7465 6443  .[B[..encryptedC\r\n0000090: 6f6e 7465 6e74 7100 7e00 024c 0009 7061  ontentq.~..L..pa\r\n00000a0: 7261 6d73 416c 6774 0012 4c6a 6176 612f  ramsAlgt..Ljava/\r\n00000b0: 6c61 6e67 2f53 7472 696e 673b 4c00 0773  lang/String;L..s\r\n00000c0: 6561 6c41 6c67 7100 7e00 0378 7075 7200  ealAlgq.~..xpur.\r\n00000d0: 025b 42ac f317 f806 0854 e002 0000 7870  .[B......T....xp\r\n00000e0: 0000 000f 300d 0408 4b28 2520 e440 5a01  ....0...K(% .@Z.\r\n00000f0: 0201 1475 7100 7e00 0500 0001 08e4 50fa  ...uq.~.......P.\r\n0000100: 6ccd 4c40 e0db 498b 57ab fcf0 09bc 3ac8  l.L@..I.W.....:.\r\n0000110: 0608 1915 aad3 77de ed45 e8b6 5c77 fe60  ......w..E..\\w.`\r\n0000120: 6eb5 3cd2 05fd 7701 5d93 f5b1 6412 ff0a  n.\u003c...w.]...d...\r\n0000130: 6b67 2a18 106f fe82 097a c5a8 dd95 f2dc  kg*..o...z......\r\n0000140: 4250 a635 b3ed 78ab 54ed ad88 dd95 4508  BP.5..x.T.....E.\r\n0000150: 997e 7dc9 b140 9a5f f0d4 a3f3 8bc1 b58b  .~}..@._........\r\n0000160: d93b 9d24 1017 81fa 5582 193d 8133 c9b9  .;.$....U..=.3..\r\n0000170: 5f07 99e5 7829 762e b2e2 49db 4a45 d561  _...x)v...I.JE.a\r\n0000180: 064f 6daa 1fca 5159 462f 8c2d 873c 5c95  .Om...QYF/.-.\u003c\\.\r\n0000190: e98c 56f9 f4fe df75 593a ef9e 2c11 b03a  ..V....uY:..,..:\r\n00001a0: 0a7e a94b e2fa 5c06 884c b91b 53b3 57a0  .~.K..\\..L..S.W.\r\n00001b0: 5938 4e30 a015 8869 5b0e f7c5 a308 4603  Y8N0...i[.....F.\r\n00001c0: 1579 affb 0b29 0a1a de8b 9c56 83e2 de65  .y...).....V...e\r\n00001d0: ab22 537e be4a fe04 2a14 55cf abb6 3838  .\"S~.J..*.U...88\r\n00001e0: a2bf c384 39b1 c659 3000 b521 dcc3 b8b5  ....9..Y0..!....\r\n00001f0: 676f 07e9 879c 4883 c86d 9235 655e f131  go....H..m.5e^.1\r\n0000200: a915 5936 d574 0016 5042 4557 6974 684d  ..Y6.t..PBEWithM\r\n0000210: 4435 416e 6454 7269 706c 6544 4553 7400  D5AndTripleDESt.\r\n0000220: 1650 4245 5769 7468 4d44 3541 6e64 5472  .PBEWithMD5AndTr\r\n0000230: 6970 6c65 4445 53                        ipleDES\r\n```\r\n\r\nThis is on Python 2.7.5 on a CentOS 6 box. Roundtrip script that I used:\r\n```python\r\n#!/bin/env python\r\nimport javaobj\r\n\r\nwith open(\"input.ser\", \"rb\") as input_file:\r\n        with open(\"output_%s.ser\" % javaobj.__version__, \"wb\") as output_file:\r\n                obj = javaobj.load(input_file)\r\n                output_file.write(javaobj.dumps(obj))\r\n```\r\nProduces the following error on 0.2.3:\r\n```\r\nTraceback (most recent call last):\r\n  File \"./redump.py\", line 7, in \u003cmodule\u003e\r\n    output_file.write(javaobj.dumps(obj))\r\n  File \"/home/vmuser/py27env/lib/python2.7/site-packages/javaobj.py\", line 209, in dumps\r\n    return marshaller.dump(obj)\r\n  File \"/home/vmuser/py27env/lib/python2.7/site-packages/javaobj.py\", line 1167, in dump\r\n    self.writeObject(obj)\r\n  File \"/home/vmuser/py27env/lib/python2.7/site-packages/javaobj.py\", line 1192, in writeObject\r\n    self.write_object(obj)\r\n  File \"/home/vmuser/py27env/lib/python2.7/site-packages/javaobj.py\", line 1372, in write_object\r\n    self._write_value(field_type, getattr(obj, field_name))\r\n  File \"/home/vmuser/py27env/lib/python2.7/site-packages/javaobj.py\", line 1525, in _write_value\r\n    self.write_array(value)\r\n  File \"/home/vmuser/py27env/lib/python2.7/site-packages/javaobj.py\", line 1492, in write_array\r\n    self._write_value(type_char, v)\r\n  File \"/home/vmuser/py27env/lib/python2.7/site-packages/javaobj.py\", line 1508, in _write_value\r\n    self._writeStruct(\"\u003eb\", 1, (value,))\r\n  File \"/home/vmuser/py27env/lib/python2.7/site-packages/javaobj.py\", line 1218, in _writeStruct\r\n    ba = struct.pack(unpack, *args)\r\nstruct.error: byte format requires -128 \u003c= number \u003c= 127\r\n```","author":{"url":"https://github.com/voetsjoeba","@type":"Person","name":"voetsjoeba"},"datePublished":"2017-06-18T21:35:24.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":6},"url":"https://github.com/16/python-javaobj/issues/16"}