diff options
Diffstat (limited to 'Lib/inspect.py')
| -rw-r--r-- | Lib/inspect.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Lib/inspect.py b/Lib/inspect.py index aaa22be..079385a 100644 --- a/Lib/inspect.py +++ b/Lib/inspect.py @@ -3316,6 +3316,16 @@ class Signature: return '<{} {}>'.format(self.__class__.__name__, self) def __str__(self): + return self.format() + + def format(self, *, max_width=None): + """Convert signature object to string. + + If *max_width* integer is passed, + signature will try to fit into the *max_width*. + If signature is longer than *max_width*, + all parameters will be on separate lines. + """ result = [] render_pos_only_separator = False render_kw_only_separator = True @@ -3353,6 +3363,8 @@ class Signature: result.append('/') rendered = '({})'.format(', '.join(result)) + if max_width is not None and len(rendered) > max_width: + rendered = '(\n {}\n)'.format(',\n '.join(result)) if self.return_annotation is not _empty: anno = formatannotation(self.return_annotation) |