Trac worked perfectly under F34 but upon a standard upgrade to 35, no
longer works. F35 uses Python 3.10 which might be part of the problem. I
reinstalled Python 3.9 and made it the system default but the problem still
occurred. On the user screen, it just displays "assertion error" but the
full error follows. This is the error after the F35 upgrade from trac.log:
2021-12-10 06:53:09,030 Trac[main] ERROR: [127.0.0.1] Internal Server
Error: <RequestWithSession "GET '/report/1?sort=ticket&asc=0&page=1'">,
referrer None
Traceback (most recent call last):
File "/usr/lib/python3.10/site-packages/trac/web/main.py", line 610, in
dispatch_request
dispatcher.dispatch(req)
File "/usr/lib/python3.10/site-packages/trac/web/main.py", line 302, in
dispatch
raise e
File "/usr/lib/python3.10/site-packages/trac/web/main.py", line 266, in
dispatch
output = chrome.render_template(req, template, data, metadata)
File "/usr/lib/python3.10/site-packages/trac/web/chrome.py", line 1377,
in render_template
template, data = self.prepare_template(req, filename, data, text,
File "/usr/lib/python3.10/site-packages/trac/web/chrome.py", line 1480,
in prepare_template
template = self.load_template(filename, text)
File "/usr/lib/python3.10/site-packages/trac/web/chrome.py", line 1323,
in load_template
return (self.jenv_text if text else self.jenv).get_template(filename)
File "/usr/lib/python3.10/site-packages/jinja2/environment.py", line 997,
in get_template
return self._load_template(name, globals)
File "/usr/lib/python3.10/site-packages/jinja2/environment.py", line 958,
in _load_template
template = self.loader.load(self, name, self.make_globals(globals))
File "/usr/lib/python3.10/site-packages/jinja2/loaders.py", line 137, in
load
code = environment.compile(source, name, filename)
File "/usr/lib/python3.10/site-packages/jinja2/environment.py", line 750,
in compile
source = self._generate(source, name, filename, defer_init=defer_init)
File "/usr/lib/python3.10/site-packages/jinja2/environment.py", line 678,
in _generate
return generate( # type: ignore
File "/usr/lib/python3.10/site-packages/jinja2/compiler.py", line 117, in
generate
generator.visit(node)
File "/usr/lib/python3.10/site-packages/jinja2/visitor.py", line 40, in
visit
return f(node, *args, **kwargs)
File "/usr/lib/python3.10/site-packages/jinja2/compiler.py", line 935, in
visit_Template
self.blockvisit(block.body, block_frame)
File "/usr/lib/python3.10/site-packages/jinja2/compiler.py", line 449, in
blockvisit
self.visit(node, frame)
File "/usr/lib/python3.10/site-packages/jinja2/visitor.py", line 40, in
visit
return f(node, *args, **kwargs)
File "/usr/lib/python3.10/site-packages/jinja2/compiler.py", line 1299,
in visit_If
self.blockvisit(node.body, if_frame)
File "/usr/lib/python3.10/site-packages/jinja2/compiler.py", line 449, in
blockvisit
self.visit(node, frame)
File "/usr/lib/python3.10/site-packages/jinja2/visitor.py", line 40, in
visit
return f(node, *args, **kwargs)
File "/usr/lib/python3.10/site-packages/jinja2/compiler.py", line 1262,
in visit_For
self.blockvisit(node.body, loop_frame)
File "/usr/lib/python3.10/site-packages/jinja2/compiler.py", line 449, in
blockvisit
self.visit(node, frame)
File "/usr/lib/python3.10/site-packages/jinja2/visitor.py", line 40, in
visit
return f(node, *args, **kwargs)
File "/usr/lib/python3.10/site-packages/jinja2/compiler.py", line 1299,
in visit_If
self.blockvisit(node.body, if_frame)
File "/usr/lib/python3.10/site-packages/jinja2/compiler.py", line 449, in
blockvisit
self.visit(node, frame)
File "/usr/lib/python3.10/site-packages/jinja2/visitor.py", line 40, in
visit
return f(node, *args, **kwargs)
File "/usr/lib/python3.10/site-packages/jinja2/compiler.py", line 1582,
in visit_AssignBlock
self.pop_assign_tracking(frame)
File "/usr/lib/python3.10/site-packages/jinja2/compiler.py", line 813, in
pop_assign_tracking
ref = frame.symbols.ref(name)
File "/usr/lib/python3.10/site-packages/jinja2/idtracking.py", line 80,
in ref
raise AssertionError(
AssertionError: Tried to resolve a name to a reference that was unknown to
the frame ('header')
2021-12-10 06:53:09,031 Trac[perm] DEBUG: No policy allowed anonymous
performing TRAC_ADMIN on None
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