circuitpython/tools/extract_pyi.py
2020-07-06 19:16:25 +01:00

88 lines
3.1 KiB
Python

# SPDX-FileCopyrightText: 2014 MicroPython & CircuitPython contributors (https://github.com/adafruit/circuitpython/graphs/contributors)
#
# SPDX-License-Identifier: MIT
import os
import sys
import astroid
import traceback
top_level = sys.argv[1].strip("/")
stub_directory = sys.argv[2]
def convert_folder(top_level, stub_directory):
ok = 0
total = 0
filenames = sorted(os.listdir(top_level))
pyi_lines = []
for filename in filenames:
full_path = os.path.join(top_level, filename)
file_lines = []
if os.path.isdir(full_path):
mok, mtotal = convert_folder(full_path, os.path.join(stub_directory, filename))
ok += mok
total += mtotal
elif filename.endswith(".c"):
with open(full_path, "r") as f:
for line in f:
if line.startswith("//|"):
if line[3] == " ":
line = line[4:]
elif line[3] == "\n":
line = line[3:]
else:
continue
file_lines.append(line)
elif filename.endswith(".pyi"):
with open(full_path, "r") as f:
file_lines.extend(f.readlines())
# Always put the contents from an __init__ first.
if filename.startswith("__init__."):
pyi_lines = file_lines + pyi_lines
else:
pyi_lines.extend(file_lines)
if not pyi_lines:
return ok, total
stub_filename = os.path.join(stub_directory, "__init__.pyi")
print(stub_filename)
stub_contents = "".join(pyi_lines)
os.makedirs(stub_directory, exist_ok=True)
with open(stub_filename, "w") as f:
f.write(stub_contents)
# Validate that the module is a parseable stub.
total += 1
try:
tree = astroid.parse(stub_contents)
for i in tree.body:
if 'name' in i.__dict__:
print(i.__dict__['name'])
for j in i.body:
if isinstance(j, astroid.scoped_nodes.FunctionDef):
if None in j.args.__dict__['annotations']:
print(f"Missing parameter type: {j.__dict__['name']} on line {j.__dict__['lineno']}\n")
if j.returns:
if 'Any' in j.returns.__dict__.values():
print(f"Missing return type: {j.__dict__['name']} on line {j.__dict__['lineno']}")
elif isinstance(j, astroid.node_classes.AnnAssign):
if 'name' in j.__dict__['annotation'].__dict__:
if j.__dict__['annotation'].__dict__['name'] == 'Any':
print(f"missing attribute type on line {j.__dict__['lineno']}")
ok += 1
except astroid.exceptions.AstroidSyntaxError as e:
e = e.__cause__
traceback.print_exception(type(e), e, e.__traceback__)
print()
return ok, total
ok, total = convert_folder(top_level, stub_directory)
print(f"{ok} ok out of {total}")
if ok != total:
sys.exit(total - ok)