TracGitPlug-in: You must not use 8-bit bytestrings unless you use a text_factory that can interpret 8-bit bytestrings

[Lee Li]

I always got this message while TracGitPlugin is enable:

ProgrammingError: You must not use 8-bit bytestrings unless you use a text_factory that can interpret 8-bit bytestrings (like text_factory = str). It is highly recommended that you instead just switch your application to Unicode strings.

View it online: ​http://proj.shuge.org/pm/browser

Python Traceback Most recent call last:

    * File "/usr/lib64/python2.6/site-packages/Trac-0.12dev_r9078-py2.6.egg/trac/web/main.py", line 495, in _dispatch_request
      Code fragment:
      Line	
      490	try:
      491	if not env and env_error:
      492	raise HTTPInternalError(env_error)
      493	try:
      494	dispatcher = RequestDispatcher(env)
      495	dispatcher.dispatch(req)
      496	except RequestDone:
      497	pass
      498	resp = req._response or []
      499	 
      500	except HTTPException, e:
      Local variables:
      Name	Value
      dispatcher 	<trac.web.main.RequestDispatcher object at 0x1c30d10>
      e 	ProgrammingError('You must not use 8-bit bytestrings unless you use a ...
      env 	<trac.env.Environment object at 0x16ed2d0>
      env_error 	None
      exc_info 	(<class 'pysqlite2.dbapi2.ProgrammingError'>, ProgrammingError('You must ...
      faulty_plugins 	[]
      frames 	[]
      has_admin 	True
      message 	u'ProgrammingError: You must not use 8-bit bytestrings unless you use a ...
      plugins 	[]
      req 	<Request "GET u'/browser'">
      resp 	[]
      th 	'http://trac-hacks.org'
      traceback 	u'Traceback (most recent call last):\n File ...
      tracker 	'http://trac.edgewall.org'
    * File "/usr/lib64/python2.6/site-packages/Trac-0.12dev_r9078-py2.6.egg/trac/web/main.py", line 196, in dispatch
      Code fragment:
      Line	
      191	if not req.path_info or req.path_info == '/':
      192	chosen_handler = self.default_handler
      193	# pre-process any incoming request, whether a handler
      194	# was found or not
      195	chosen_handler = self._pre_process_request(req,
      196	chosen_handler)
      197	except TracError, e:
      198	raise HTTPInternalError(e)
      199	if not chosen_handler:
      200	if req.path_info.endswith('/'):
      201	# Strip trailing / and redirect
      Local variables:
      Name	Value
      chosen_handler 	<trac.versioncontrol.web_ui.browser.BrowserModule object at 0x1c30f10>
      chrome 	<trac.web.chrome.Chrome object at 0x1b3fc90>
      err 	(<class 'pysqlite2.dbapi2.ProgrammingError'>, ProgrammingError('You must ...
      handler 	<trac.versioncontrol.web_ui.browser.BrowserModule object at 0x1c30f10>
      req 	<Request "GET u'/browser'">
      self 	<trac.web.main.RequestDispatcher object at 0x1c30d10>
    * File "/usr/lib64/python2.6/site-packages/Trac-0.12dev_r9078-py2.6.egg/trac/web/main.py", line 339, in _pre_process_request
      Code fragment:
      Line	
      334	req.outcookie['trac_form_token']['secure'] = True
      335	return req.outcookie['trac_form_token'].value
      336	 
      337	def _pre_process_request(self, req, chosen_handler):
      338	for filter_ in self.filters:
      339	chosen_handler = filter_.pre_process_request(req, chosen_handler)
      340	return chosen_handler
      341	 
      342	def _post_process_request(self, req, *args):
      343	nbargs = len(args)
      344	resp = args
      Local variables:
      Name	Value
      chosen_handler 	<trac.versioncontrol.web_ui.browser.BrowserModule object at 0x1c30f10>
      filter_ 	<trac.versioncontrol.api.RepositoryManager object at 0x1c3c1d0>
      req 	<Request "GET u'/browser'">
      self 	<trac.web.main.RequestDispatcher object at 0x1c30d10>
    * File "/usr/lib64/python2.6/site-packages/Trac-0.12dev_r9078-py2.6.egg/trac/versioncontrol/api.py", line 83, in pre_process_request
      Code fragment:
      Line	
      78	 
      79	def pre_process_request(self, req, handler):
      80	from trac.web.chrome import Chrome, add_warning
      81	if handler is not Chrome(self.env):
      82	try:
      83	self.get_repository(req.authname).sync()
      84	except TracError, e:
      85	add_warning(req, _("Can't synchronize with the repository "
      86	"(%(error)s). Look in the Trac log for more "
      87	"information.", error=to_unicode(e.message)))
      88	
      Local variables:
      Name	Value
      Chrome 	<class 'trac.web.chrome.Chrome'>
      add_warning 	<function add_warning at 0x168eb18>
      handler 	<trac.versioncontrol.web_ui.browser.BrowserModule object at 0x1c30f10>
      req 	<Request "GET u'/browser'">
      self 	<trac.versioncontrol.api.RepositoryManager object at 0x1c3c1d0>
    * File "/usr/lib64/python2.6/site-packages/Trac-0.12dev_r9078-py2.6.egg/trac/versioncontrol/cache.py", line 215, in sync
      Code fragment:
      Line	
      210	cursor.execute("INSERT INTO node_change "
      211	" (rev,path,node_type,change_type, "
      212	" base_path,base_rev) "
      213	"VALUES (%s,%s,%s,%s,%s,%s)",
      214	(str(next_youngest),
      215	path, kind, action, bpath, brev))
      216	 
      217	# 1.3. iterate (1.1 should always succeed now)
      218	self.youngest = next_youngest
      219	next_youngest = self.repos.next_rev(next_youngest)
      220	 
      Local variables:
      Name	Value
      action 	'M'
      actionmap 	{'edit': 'E', 'add': 'A', 'move': 'M', 'copy': 'C', 'delete': 'D'}
      authz 	<trac.versioncontrol.api.Authorizer object at 0x1f96310>
      bpath 	'online/seed/urls.py'
      brev 	u'c81205e9841ea91f5e1f9f6a22d18279ff8d9120'
      cset 	<tracext.git.git_fs.GitChangeset object at 0x203e850>
      cursor 	<trac.db.util.IterableCursor object at 0x1e60f90>
      db 	<trac.db.pool.PooledConnection object at 0x18c3e10>
      feedback 	None
      key 	'youngest_rev'
      kind 	'F'
      kindmap 	{'file': 'F', 'dir': 'D'}
      metadata 	{u'youngest_rev': u'c81205e9841ea91f5e1f9f6a22d18279ff8d9120', ...
      name 	u'youngest_rev'
      next_youngest 	'c85a1a01b4f22c11bfd548e92e2dcf895467880d'
      path 	'online/repo/\xe5\xb7\xa5\xe4\xb8\x9a\xe6\x8a\x80\xe6\x9c\xaf/reStructuredT ...
      repos_youngest 	'ac25c1c5f18e91d86e93c5aa52fb95f80ecd18e6'
      repository_dir 	u'git:/home/lee/proj.shuge.org/shuge.git'
      self 	<tracext.git.git_fs.CachedRepository2 object at 0x1f96190>
      value 	u'c81205e9841ea91f5e1f9f6a22d18279ff8d9120'
    * File "/usr/lib64/python2.6/site-packages/Trac-0.12dev_r9078-py2.6.egg/trac/db/util.py", line 64, in execute
      Code fragment:
      Line	
      59	return r
      60	except Exception, e:
      61	self.log.debug('execute exception: %r', e)
      62	raise
      63	if args:
      64	return self.cursor.execute(sql_escape_percent(sql), args)
      65	return self.cursor.execute(sql)
      66	 
      67	def executemany(self, sql, args=None):
      68	if self.log:
      69	self.log.debug('SQL: %r', sql)
      Local variables:
      Name	Value
      args 	('c85a1a01b4f22c11bfd548e92e2dcf895467880d', ...
      self 	<trac.db.util.IterableCursor object at 0x1e60f90>
      sql 	'INSERT INTO node_change (rev,path,node_type,change_type, ...
    * File "/usr/lib64/python2.6/site-packages/Trac-0.12dev_r9078-py2.6.egg/trac/db/sqlite_backend.py", line 76, in execute
      Code fragment:
      Line	
      71	PyFormatCursor.__init__(self, con)
      72	self.rows = []
      73	self.pos = 0
      74	 
      75	def execute(self, *args):
      76	result = PyFormatCursor.execute(self, *args)
      77	self.rows = PyFormatCursor.fetchall(self)
      78	self.pos = 0
      79	return result
      80	 
      81	def fetchone(self):
      Local variables:
      Name	Value
      args 	('INSERT INTO node_change (rev,path,node_type,change_type, ...
      self 	<trac.db.sqlite_backend.EagerCursor object at 0x1bcbe90>
    * File "/usr/lib64/python2.6/site-packages/Trac-0.12dev_r9078-py2.6.egg/trac/db/sqlite_backend.py", line 55, in execute
      Code fragment:
      Line	
      50	raise
      51	def execute(self, sql, args=None):
      52	if args:
      53	sql = sql % (('?',) * len(args))
      54	return self._rollback_on_error(sqlite.Cursor.execute, sql,
      55	args or [])
      56	def executemany(self, sql, args=None):
      57	if args:
      58	sql = sql % (('?',) * len(args[0]))
      59	return self._rollback_on_error(sqlite.Cursor.executemany, sql,
      60	args or [])
      Local variables:
      Name	Value
      args 	('c85a1a01b4f22c11bfd548e92e2dcf895467880d', ...
      self 	<trac.db.sqlite_backend.EagerCursor object at 0x1bcbe90>
      sql 	'INSERT INTO node_change (rev,path,node_type,change_type, ...
    * File "/usr/lib64/python2.6/site-packages/Trac-0.12dev_r9078-py2.6.egg/trac/db/sqlite_backend.py", line 47, in _rollback_on_error
      Code fragment:
      Line	
      42	sqlite_version_string = '%d.%d.%d' % (_ver[0], _ver[1], int(_ver[2]))
      43	 
      44	class PyFormatCursor(sqlite.Cursor):
      45	def _rollback_on_error(self, function, *args, **kwargs):
      46	try:
      47	return function(self, *args, **kwargs)
      48	except sqlite.DatabaseError:
      49	self.cnx.rollback()
      50	raise
      51	def execute(self, sql, args=None):
      52	if args:
      Local variables:
      Name	Value
      args 	('INSERT INTO node_change (rev,path,node_type,change_type, ...
      function 	<method 'execute' of 'pysqlite2.dbapi2.Cursor' objects>
      kwargs 	{}
      self 	<trac.db.sqlite_backend.EagerCursor object at 0x1bcbe90>

File "/usr/lib64/python2.6/site-packages/Trac-0.12dev_r9078-py2.6.egg/trac/web/main.py", line 495, in _dispatch_request
  dispatcher.dispatch(req)
File "/usr/lib64/python2.6/site-packages/Trac-0.12dev_r9078-py2.6.egg/trac/web/main.py", line 196, in dispatch
  chosen_handler)
File "/usr/lib64/python2.6/site-packages/Trac-0.12dev_r9078-py2.6.egg/trac/web/main.py", line 339, in _pre_process_request
  chosen_handler = filter_.pre_process_request(req, chosen_handler)
File "/usr/lib64/python2.6/site-packages/Trac-0.12dev_r9078-py2.6.egg/trac/versioncontrol/api.py", line 83, in pre_process_request
  self.get_repository(req.authname).sync()
File "/usr/lib64/python2.6/site-packages/Trac-0.12dev_r9078-py2.6.egg/trac/versioncontrol/cache.py", line 215, in sync
  path, kind, action, bpath, brev))
File "/usr/lib64/python2.6/site-packages/Trac-0.12dev_r9078-py2.6.egg/trac/db/util.py", line 64, in execute
  return self.cursor.execute(sql_escape_percent(sql), args)
File "/usr/lib64/python2.6/site-packages/Trac-0.12dev_r9078-py2.6.egg/trac/db/sqlite_backend.py", line 76, in execute
  result = PyFormatCursor.execute(self, *args)
File "/usr/lib64/python2.6/site-packages/Trac-0.12dev_r9078-py2.6.egg/trac/db/sqlite_backend.py", line 55, in execute
  args or [])
File "/usr/lib64/python2.6/site-packages/Trac-0.12dev_r9078-py2.6.egg/trac/db/sqlite_backend.py", line 47, in _rollback_on_error
  return function(self, *args, **kwargs)

Trac  	0.12dev-r9078
Python 	2.6.4 (r264:75706, Jan 19 2010, 02:05:06) [GCC 4.3.4]
setuptools 	0.6
pytz 	2009r
SQLite 	3.6.20
pysqlite 	2.5.6
Genshi 	0.6dev-r1092
Babel 	1.0dev-r482
Pygments 	1.1.1
GIT 	1.6.4.4
jQuery	1.3.2

[Ryan J Ollos]

This should have been filed against the GitPlugin, but since the ticket is very old, I'm just going to close it.