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More improvements to the inspect plugin.

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- Support for distinct `type` field on constructor and method arguments.

- Added `has_varargs` field.

- Added `required` field.

- Better logic for parsing arguments `default` values.
This commit is contained in:
Fabio Manganiello 2023-08-08 20:45:39 +02:00
parent 9beb0a7af3
commit 4062ddbcf0
Signed by untrusted user: blacklight
GPG key ID: D90FBA7F76362774
1 changed files with 38 additions and 9 deletions
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47
platypush/plugins/inspect/_model.py
View file

@ -35,7 +35,7 @@ class Model:
]
_param_docstring_re = re.compile(r'^\s*:param ([^:]+):\s*(.*)')
_type_docstring_re = re.compile(r'^\s*:type ([^:]+):\s*(.*)')
_type_docstring_re = re.compile(r'^\s*:type ([^:]+):\s*([^\s]+).*')
_return_docstring_re = re.compile(r'^\s*:return:\s+(.*)')
def __init__(
@ -67,17 +67,39 @@ class Model:
self.doc, argsdoc = self._parse_docstring(docstring, obj_type=obj_type)
self.args = {}
self.has_kwargs = False
self.has_varargs = False
for arg in list(inspect.signature(obj_type).parameters.values())[1:]:
if arg.kind == arg.VAR_KEYWORD:
self.has_kwargs = True
continue
if arg.kind == arg.VAR_POSITIONAL:
self.has_varargs = True
continue
self.args[arg.name] = {
'default': arg.default
if not issubclass(arg.default.__class__, type)
else None,
'doc': argsdoc.get(arg.name),
'default': (
arg.default if not issubclass(arg.default.__class__, type) else None
),
'doc': argsdoc.get(arg.name, {}).get('name'),
'required': arg.default is inspect._empty,
'type': (
argsdoc.get(arg.name, {}).get('type')
or (
(
arg.annotation.__name__
if arg.annotation.__module__ == 'builtins'
else (
None
if arg.annotation is inspect._empty
else str(arg.annotation).replace('typing.', '')
)
)
if arg.annotation
else None
)
),
}
def __str__(self):
@ -96,7 +118,7 @@ class Model:
"""
Iterator for the model public attributes/values pairs.
"""
for attr in ['name', 'args', 'doc', 'has_kwargs']:
for attr in ['name', 'args', 'doc', 'has_varargs', 'has_kwargs']:
yield attr, getattr(self, attr)
@classmethod
@ -105,6 +127,7 @@ class Model:
params = {}
cur_param = None
cur_param_docstring = ''
param_types = {}
if not docstring:
return None, {}
@ -122,7 +145,7 @@ class Model:
m = cls._type_docstring_re.match(line)
if m:
if cur_param:
cur_param_docstring += '\n**Type:** ' + m.group(2).strip()
param_types[cur_param] = m.group(2).strip()
params[cur_param] = cur_param_docstring
cur_param = None
@ -151,7 +174,13 @@ class Model:
params[cur_param] = cur_param_docstring
for param, doc in params.items():
params[param] = cls._post_process_docstring(doc, obj_type=obj_type)
params[param] = {
'name': cls._post_process_docstring(doc, obj_type=obj_type)
}
param_type = param_types.pop(param, None)
if param_type is not None:
params[param]['type'] = param_type
return cls._post_process_docstring(new_docstring, obj_type=obj_type), params
@ -197,7 +226,7 @@ class PluginModel(Model):
Overrides the default implementation of ``__iter__`` to also include
plugin actions.
"""
for attr in ['name', 'args', 'actions', 'doc', 'has_kwargs']:
for attr in ['name', 'args', 'actions', 'doc', 'has_varargs', 'has_kwargs']:
if attr == 'actions':
yield attr, {
name: dict(action) for name, action in self.actions.items()