When the definition of a class is rendered and that class only has a metaclass, the generated code is invalid and thus formatting the code with Yapf fails.
class TypeHint(metaclass=_TypeHintMeta):
...
Results in
Traceback (most recent call last):
File "/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/site-packages/yapf/yapflib/yapf_api.py", line 183, in FormatCode
tree = pytree_utils.ParseCodeToTree(unformatted_source)
File "/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/site-packages/yapf/yapflib/pytree_utils.py", line 131, in ParseCodeToTree
raise e
File "/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/site-packages/yapf/yapflib/pytree_utils.py", line 129, in ParseCodeToTree
ast.parse(code)
File "/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/ast.py", line 50, in parse
return compile(source, filename, mode, flags,
File "<unknown>", line 1
class TypeHint(, metaclass=_TypeHintMeta): pass
^
SyntaxError: invalid syntax
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/site-packages/novella/build.py", line 150, in _run_actions
action.execute(self)
File "/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/site-packages/novella/markdown/preprocessor.py", line 158, in execute
preprocessor.process_files(files)
File "/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/site-packages/pydoc_markdown/novella/preprocessor.py", line 133, in process_files
file.content = replace_tags(file.content, tags, lambda t: self._replace_pydoc_tag(self._suite, file, t))
File "/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/site-packages/novella/markdown/tagparser.py", line 219, in replace_tags
replacement = repl(tag)
File "/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/site-packages/pydoc_markdown/novella/preprocessor.py", line 133, in <lambda>
file.content = replace_tags(file.content, tags, lambda t: self._replace_pydoc_tag(self._suite, file, t))
File "/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/site-packages/pydoc_markdown/novella/preprocessor.py", line 148, in _replace_pydoc_tag
self._renderer.render_object(fp, objects[0], tag.options)
File "/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/site-packages/pydoc_markdown/contrib/renderers/markdown.py", line 448, in render_object
self._render_recursive(fp, 0, obj)
File "/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/site-packages/pydoc_markdown/contrib/renderers/markdown.py", line 368, in _render_recursive
self._render_recursive(fp, level, member)
File "/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/site-packages/pydoc_markdown/contrib/renderers/markdown.py", line 365, in _render_recursive
self._render_object(fp, level, obj)
File "/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/site-packages/pydoc_markdown/contrib/renderers/markdown.py", line 350, in _render_object
self._render_signature_block(fp, obj)
File "/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/site-packages/pydoc_markdown/contrib/renderers/markdown.py", line 327, in _render_signature_block
code = self._format_classdef_signature(obj)
File "/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/site-packages/pydoc_markdown/contrib/renderers/markdown.py", line 312, in _format_classdef_signature
code = self._yapf_code(code + ': pass').rpartition(':')[0].strip()
File "/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/site-packages/pydoc_markdown/contrib/renderers/markdown.py", line 281, in _yapf_code
return FormatCode(code, style_config=style)[0]
File "/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/site-packages/yapf/yapflib/yapf_api.py", line 186, in FormatCode
raise errors.YapfError(errors.FormatErrorMsg(e))
yapf.yapflib.errors.YapfError: <unknown>:1:16: invalid syntax
Error: Process completed with exit code 1.
NiklasRosenstein
commented
1 year ago
Environment
Describe the bug
When the definition of a class is rendered and that class only has a metaclass, the generated code is invalid and thus formatting the code with Yapf fails.
Results in
Expected behavior
The generated code is correct.
Workaround
Use
objectas a base class.