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import argparse
import inspect
import os
from pathlib import Path
INDENT = " " * 4
GENERATED_COMMENT = "# Generated content DO NOT EDIT\n"
def do_indent(text: str, indent: str):
return text.replace("\n", f"\n{indent}")
def function(obj, indent, text_signature=None):
if text_signature is None:
text_signature = obj.__text_signature__
string = ""
string += f"{indent}def {obj.__name__}{text_signature}:\n"
indent += INDENT
string += f'{indent}"""\n'
string += f"{indent}{do_indent(obj.__doc__, indent)}\n"
string += f'{indent}"""\n'
string += f"{indent}pass\n"
string += "\n"
string += "\n"
return string
def member_sort(member):
if inspect.isclass(member):
value = 10 + len(inspect.getmro(member))
else:
value = 1
return value
def fn_predicate(obj):
value = inspect.ismethoddescriptor(obj) or inspect.isbuiltin(obj)
if value:
return obj.__doc__ and obj.__text_signature__ and not obj.__name__.startswith("_")
if inspect.isgetsetdescriptor(obj):
return obj.__doc__ and not obj.__name__.startswith("_")
return False
def get_module_members(module):
members = [
member
for name, member in inspect.getmembers(module)
if not name.startswith("_") and not inspect.ismodule(member)
]
members.sort(key=member_sort)
return members
def pyi_file(obj, indent=""):
string = ""
if inspect.ismodule(obj):
string += GENERATED_COMMENT
members = get_module_members(obj)
for member in members:
string += pyi_file(member, indent)
elif inspect.isclass(obj):
indent += INDENT
mro = inspect.getmro(obj)
if len(mro) > 2:
inherit = f"({mro[1].__name__})"
else:
inherit = ""
string += f"class {obj.__name__}{inherit}:\n"
body = ""
if obj.__doc__:
body += f'{indent}"""\n{indent}{do_indent(obj.__doc__, indent)}\n{indent}"""\n'
fns = inspect.getmembers(obj, fn_predicate)
# Init
if obj.__text_signature__:
body += f"{indent}def __init__{obj.__text_signature__}:\n"
body += f"{indent+INDENT}pass\n"
body += "\n"
for name, fn in fns:
body += pyi_file(fn, indent=indent)
if not body:
body += f"{indent}pass\n"
string += body
string += "\n\n"
elif inspect.isbuiltin(obj):
string += f"{indent}@staticmethod\n"
string += function(obj, indent)
elif inspect.ismethoddescriptor(obj):
string += function(obj, indent)
elif inspect.isgetsetdescriptor(obj):
# TODO it would be interesing to add the setter maybe ?
string += f"{indent}@property\n"
string += function(obj, indent, text_signature="(self)")
else:
raise Exception(f"Object {obj} is not supported")
return string
def py_file(module, origin):
members = get_module_members(module)
string = GENERATED_COMMENT
string += f"from .. import {origin}\n"
string += "\n"
for member in members:
name = member.__name__
string += f"{name} = {origin}.{name}\n"
return string
import subprocess
from typing import List, Optional, Tuple
def do_ruff(code, is_pyi: bool):
command = ["ruff", "format", "--config", "pyproject.toml", "--silent", "-"]
if is_pyi:
command.extend(["--stdin-filename", "test.pyi"])
process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
stdout, _ = process.communicate(input=code.encode("utf-8"))
return stdout.decode("utf-8")
def write(module, directory, origin, check=False):
submodules = [(name, member) for name, member in inspect.getmembers(module) if inspect.ismodule(member)]
filename = os.path.join(directory, "__init__.pyi")
pyi_content = pyi_file(module)
pyi_content = do_ruff(pyi_content, is_pyi=True)
os.makedirs(directory, exist_ok=True)
if check:
with open(filename, "r") as f:
data = f.read()
assert data == pyi_content, f"The content of {filename} seems outdated, please run `python stub.py`"
else:
with open(filename, "w") as f:
f.write(pyi_content)
filename = os.path.join(directory, "__init__.py")
py_content = py_file(module, origin)
py_content = do_ruff(py_content, is_pyi=False)
os.makedirs(directory, exist_ok=True)
is_auto = False
if not os.path.exists(filename):
is_auto = True
else:
with open(filename, "r") as f:
line = f.readline()
if line == GENERATED_COMMENT:
is_auto = True
if is_auto:
if check:
with open(filename, "r") as f:
data = f.read()
assert data == py_content, f"The content of {filename} seems outdated, please run `python stub.py`"
else:
with open(filename, "w") as f:
f.write(py_content)
for name, submodule in submodules:
write(submodule, os.path.join(directory, name), f"{name}", check=check)
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("--check", action="store_true")
args = parser.parse_args()
import tokenizers
write(tokenizers.tokenizers, "py_src/tokenizers/", "tokenizers", check=args.check)
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