Unity 机器学习代理工具包 (ML-Agents) 是一个开源项目,它使游戏和模拟能够作为训练智能代理的环境。
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258 行
8.8 KiB

#!/usr/bin/env python3
import ast
import sys
import os
import re
import subprocess
import tempfile
from typing import List, Optional, Pattern
RELEASE_PATTERN = re.compile(r"release_[0-9]+(_docs)*")
# This matches the various ways to invoke pip: "pip", "pip3", "python -m pip"
# It matches "mlagents" and "mlagents_envs", accessible as group "package"
# and optionally matches the version, e.g. "==1.2.3"
PIP_INSTALL_PATTERN = re.compile(
r"(python -m )?pip3* install (?P<quiet>-q )?(?P<package>mlagents(_envs)?)(==[0-9]+\.[0-9]+\.[0-9]+(\.dev[0-9]+)?)?"
)
TRAINER_INIT_FILE = "ml-agents/mlagents/trainers/__init__.py"
MATCH_ANY = re.compile(r"(?s).*")
# Filename -> regex list to allow specific lines.
# To allow everything in the file (effectively skipping it), use MATCH_ANY for the value
ALLOW_LIST = {
# Previous release table
"README.md": re.compile(r"\*\*(Verified Package ([0-9]\.?)*|Release [0-9]+)\*\*"),
"docs/Versioning.md": MATCH_ANY,
"com.unity.ml-agents/CHANGELOG.md": MATCH_ANY,
"utils/make_readme_table.py": MATCH_ANY,
"utils/validate_release_links.py": MATCH_ANY,
}
def test_release_pattern():
# Just some sanity check that the regex works as expected.
for s, expected in [
(
"https://github.com/Unity-Technologies/ml-agents/blob/release_4_docs/Food.md",
True,
),
("https://github.com/Unity-Technologies/ml-agents/blob/release_4/Foo.md", True),
(
"git clone --branch release_4 https://github.com/Unity-Technologies/ml-agents.git",
True,
),
(
"https://github.com/Unity-Technologies/ml-agents/blob/release_123_docs/Foo.md",
True,
),
(
"https://github.com/Unity-Technologies/ml-agents/blob/release_123/Foo.md",
True,
),
(
"https://github.com/Unity-Technologies/ml-agents/blob/latest_release/docs/Foo.md",
False,
),
]:
assert bool(RELEASE_PATTERN.search(s)) is expected
print("release tests OK!")
def test_pip_pattern():
# Just some sanity check that the regex works as expected.
for s, expected in [
("pip install mlagents", True),
("pip3 install -q mlagents", True),
("python -m pip install mlagents", True),
("python -m pip install mlagents==1.2.3", True),
("python -m pip install mlagents_envs==1.2.3", True),
("python -m pip install mlagents==11.222.3333", True),
("python -m pip install mlagents_envs==11.222.3333", True),
]:
assert bool(PIP_INSTALL_PATTERN.search(s)) is expected
sub_expected = "Try running rm -rf / to install"
assert sub_expected == PIP_INSTALL_PATTERN.sub(
"rm -rf /", "Try running python -m pip install mlagents==1.2.3 to install"
)
print("pip tests OK!")
def update_pip_install_line(line, package_verion):
match = PIP_INSTALL_PATTERN.search(line)
if match is not None: # if there is a pip install line
package_name = match.group("package")
quiet_option = match.group("quiet") or ""
replacement_version = (
f"python -m pip install {quiet_option}{package_name}=={package_verion}"
)
updated = PIP_INSTALL_PATTERN.sub(replacement_version, line)
return updated
else: # Don't do anything
return line
def git_ls_files() -> List[str]:
"""
Run "git ls-files" and return a list with one entry per line.
This returns the list of all files tracked by git.
"""
return subprocess.check_output(["git", "ls-files"], universal_newlines=True).split(
"\n"
)
def get_release_tag() -> Optional[str]:
"""
Returns the release tag for the mlagents python package.
This will be None on the main branch.
:return:
"""
with open(TRAINER_INIT_FILE) as f:
for line in f:
if "__release_tag__" in line:
lhs, equals_string, rhs = line.strip().partition(" = ")
# Evaluate the right hand side of the expression
return ast.literal_eval(rhs)
# If we couldn't find the release tag, raise an exception
# (since we can't return None here)
raise RuntimeError("Can't determine release tag")
def get_python_package_version() -> str:
"""
Returns the mlagents python package.
:return:
"""
with open(TRAINER_INIT_FILE) as f:
for line in f:
if "__version__" in line:
lhs, equals_string, rhs = line.strip().partition(" = ")
# Evaluate the right hand side of the expression
return ast.literal_eval(rhs)
# If we couldn't find the release tag, raise an exception
# (since we can't return None here)
raise RuntimeError("Can't determine python package version")
def check_file(
filename: str,
release_tag_pattern: Pattern,
release_tag: str,
pip_allow_pattern: Pattern,
package_version: str,
) -> List[str]:
"""
Validate a single file and return any offending lines.
"""
bad_lines = []
with tempfile.TemporaryDirectory() as tempdir:
if not os.path.exists(tempdir):
os.makedirs(tempdir)
new_file_name = os.path.join(tempdir, os.path.basename(filename))
with open(new_file_name, "w+") as new_file:
# default to match everything if there is nothing in the ALLOW_LIST
allow_list_pattern = ALLOW_LIST.get(filename, None)
with open(filename) as f:
for line in f:
# Does it contain anything of the form release_123
has_release_pattern = RELEASE_PATTERN.search(line) is not None
# Does it contain this particular release, e.g. release_42 or release_42_docs
has_release_tag_pattern = (
release_tag_pattern.search(line) is not None
)
# Does it contain the allow list pattern for the file (if there is one)
has_allow_list_pattern = (
allow_list_pattern
and allow_list_pattern.search(line) is not None
)
pip_install_ok = (
has_allow_list_pattern
or PIP_INSTALL_PATTERN.search(line) is None
or pip_allow_pattern.search(line) is not None
)
release_tag_ok = (
not has_release_pattern
or has_release_tag_pattern
or has_allow_list_pattern
)
if release_tag_ok and pip_install_ok:
new_file.write(line)
else:
bad_lines.append(f"{filename}: {line}")
new_line = re.sub(r"release_[0-9]+", fr"{release_tag}", line)
new_line = update_pip_install_line(new_line, package_version)
new_file.write(new_line)
if bad_lines:
if os.path.exists(filename):
os.remove(filename)
os.rename(new_file_name, filename)
return bad_lines
def check_all_files(
release_allow_pattern: Pattern,
release_tag: str,
pip_allow_pattern: Pattern,
package_version: str,
) -> List[str]:
"""
Validate all files tracked by git.
:param release_allow_pattern:
"""
bad_lines = []
file_types = {".py", ".md", ".cs", ".ipynb"}
for file_name in git_ls_files():
if "localized" in file_name or os.path.splitext(file_name)[1] not in file_types:
continue
bad_lines += check_file(
file_name,
release_allow_pattern,
release_tag,
pip_allow_pattern,
package_version,
)
return bad_lines
def main():
release_tag = get_release_tag()
if not release_tag:
print("Release tag is None, exiting")
sys.exit(0)
package_version = get_python_package_version()
print(f"Release tag: {release_tag}")
print(f"Python package version: {package_version}")
release_allow_pattern = re.compile(f"{release_tag}(_docs)?")
pip_allow_pattern = re.compile(
fr"python -m pip install (-q )?mlagents(_envs)?=={package_version}"
)
bad_lines = check_all_files(
release_allow_pattern, release_tag, pip_allow_pattern, package_version
)
if bad_lines:
for line in bad_lines:
print(line)
print("*************************************************************")
print(
"This script attempted to fix the above errors. Please double "
+ "check them to make sure the replacements were done correctly"
)
sys.exit(1 if bad_lines else 0)
if __name__ == "__main__":
if "--test" in sys.argv:
test_release_pattern()
test_pip_pattern()
main()