File size: 7,145 Bytes
443d045 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 |
"""Contains methods that generate documentation for Gradio functions and classes."""
from __future__ import annotations
import inspect
from typing import Callable, Dict, List, Tuple
classes_to_document = {}
documentation_group = None
def set_documentation_group(m):
global documentation_group
documentation_group = m
if m not in classes_to_document:
classes_to_document[m] = []
def document(*fns):
"""
Defines the @document decorator which adds classes or functions to the Gradio
documentation at www.gradio.app/docs.
Usage examples:
- Put @document() above a class to document the class and its constructor.
- Put @document(fn1, fn2) above a class to also document the class methods fn1 and fn2.
"""
def inner_doc(cls):
global documentation_group
classes_to_document[documentation_group].append((cls, fns))
return cls
return inner_doc
def document_fn(fn: Callable) -> Tuple[str, List[Dict], Dict, str | None]:
"""
Generates documentation for any function.
Parameters:
fn: Function to document
Returns:
description: General description of fn
parameters: A list of dicts for each parameter, storing data for the parameter name, annotation and doc
return: A dict storing data for the returned annotation and doc
example: Code for an example use of the fn
"""
doc_str = inspect.getdoc(fn) or ""
doc_lines = doc_str.split("\n")
signature = inspect.signature(fn)
description, parameters, returns, examples = [], {}, [], []
mode = "description"
for line in doc_lines:
line = line.rstrip()
if line == "Parameters:":
mode = "parameter"
elif line == "Example:":
mode = "example"
elif line == "Returns:":
mode = "return"
else:
if mode == "description":
description.append(line if line.strip() else "<br>")
continue
assert (
line.startswith(" ") or line.strip() == ""
), f"Documentation format for {fn.__name__} has format error in line: {line}"
line = line[4:]
if mode == "parameter":
colon_index = line.index(": ")
assert (
colon_index > -1
), f"Documentation format for {fn.__name__} has format error in line: {line}"
parameter = line[:colon_index]
parameter_doc = line[colon_index + 2 :]
parameters[parameter] = parameter_doc
elif mode == "return":
returns.append(line)
elif mode == "example":
examples.append(line)
description_doc = " ".join(description)
parameter_docs = []
for param_name, param in signature.parameters.items():
if param_name.startswith("_"):
continue
if param_name == "kwargs" and param_name not in parameters:
continue
parameter_doc = {
"name": param_name,
"annotation": param.annotation,
"doc": parameters.get(param_name),
}
if param_name in parameters:
del parameters[param_name]
if param.default != inspect.Parameter.empty:
default = param.default
if type(default) == str:
default = '"' + default + '"'
if default.__class__.__module__ != "builtins":
default = f"{default.__class__.__name__}()"
parameter_doc["default"] = default
elif parameter_doc["doc"] is not None and "kwargs" in parameter_doc["doc"]:
parameter_doc["kwargs"] = True
parameter_docs.append(parameter_doc)
assert (
len(parameters) == 0
), f"Documentation format for {fn.__name__} documents nonexistent parameters: {''.join(parameters.keys())}"
if len(returns) == 0:
return_docs = {}
elif len(returns) == 1:
return_docs = {"annotation": signature.return_annotation, "doc": returns[0]}
else:
return_docs = {}
# raise ValueError("Does not support multiple returns yet.")
examples_doc = "\n".join(examples) if len(examples) > 0 else None
return description_doc, parameter_docs, return_docs, examples_doc
def document_cls(cls):
doc_str = inspect.getdoc(cls)
if doc_str is None:
return "", {}, ""
tags = {}
description_lines = []
mode = "description"
for line in doc_str.split("\n"):
line = line.rstrip()
if line.endswith(":") and " " not in line:
mode = line[:-1].lower()
tags[mode] = []
elif line.split(" ")[0].endswith(":") and not line.startswith(" "):
tag = line[: line.index(":")].lower()
value = line[line.index(":") + 2 :]
tags[tag] = value
else:
if mode == "description":
description_lines.append(line if line.strip() else "<br>")
else:
assert (
line.startswith(" ") or not line.strip()
), f"Documentation format for {cls.__name__} has format error in line: {line}"
tags[mode].append(line[4:])
if "example" in tags:
example = "\n".join(tags["example"])
del tags["example"]
else:
example = None
for key, val in tags.items():
if isinstance(val, list):
tags[key] = "<br>".join(val)
description = " ".join(description_lines).replace("\n", "<br>")
return description, tags, example
def generate_documentation():
documentation = {}
for mode, class_list in classes_to_document.items():
documentation[mode] = []
for cls, fns in class_list:
fn_to_document = cls if inspect.isfunction(cls) else cls.__init__
_, parameter_doc, return_doc, _ = document_fn(fn_to_document)
cls_description, cls_tags, cls_example = document_cls(cls)
cls_documentation = {
"class": cls,
"name": cls.__name__,
"description": cls_description,
"tags": cls_tags,
"parameters": parameter_doc,
"returns": return_doc,
"example": cls_example,
"fns": [],
}
for fn_name in fns:
fn = getattr(cls, fn_name)
(
description_doc,
parameter_docs,
return_docs,
examples_doc,
) = document_fn(fn)
cls_documentation["fns"].append(
{
"fn": fn,
"name": fn_name,
"description": description_doc,
"tags": {},
"parameters": parameter_docs,
"returns": return_docs,
"example": examples_doc,
}
)
documentation[mode].append(cls_documentation)
return documentation
|