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292 lines (230 loc) · 8.96 KB
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# Copyright 2019 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function
import glob
import os
from pathlib import Path
import sys
from typing import Callable, Dict, Optional
import nox
# WARNING - WARNING - WARNING - WARNING - WARNING
# WARNING - WARNING - WARNING - WARNING - WARNING
# DO NOT EDIT THIS FILE EVER!
# WARNING - WARNING - WARNING - WARNING - WARNING
# WARNING - WARNING - WARNING - WARNING - WARNING
BLACK_VERSION = "black==22.3.0"
ISORT_VERSION = "isort==5.10.1"
# Copy `noxfile_config.py` to your directory and modify it instead.
# `TEST_CONFIG` dict is a configuration hook that allows users to
# modify the test configurations. The values here should be in sync
# with `noxfile_config.py`. Users will copy `noxfile_config.py` into
# their directory and modify it.
TEST_CONFIG = {
# You can opt out from the test for specific Python versions.
"ignored_versions": [],
# Old samples are opted out of enforcing Python type hints
# All new samples should feature them
"enforce_type_hints": False,
# An envvar key for determining the project id to use. Change it
# to 'BUILD_SPECIFIC_GCLOUD_PROJECT' if you want to opt in using a
# build specific Cloud project. You can also use your own string
# to use your own Cloud project.
"gcloud_project_env": "GOOGLE_CLOUD_PROJECT",
# 'gcloud_project_env': 'BUILD_SPECIFIC_GCLOUD_PROJECT',
# If you need to use a specific version of pip,
# change pip_version_override to the string representation
# of the version number, for example, "20.2.4"
"pip_version_override": None,
# A dictionary you want to inject into your test. Don't put any
# secrets here. These values will override predefined values.
"envs": {},
}
try:
# Ensure we can import noxfile_config in the project's directory.
sys.path.append(".")
from noxfile_config import TEST_CONFIG_OVERRIDE
except ImportError as e:
print("No user noxfile_config found: detail: {}".format(e))
TEST_CONFIG_OVERRIDE = {}
# Update the TEST_CONFIG with the user supplied values.
TEST_CONFIG.update(TEST_CONFIG_OVERRIDE)
def get_pytest_env_vars() -> Dict[str, str]:
"""Returns a dict for pytest invocation."""
ret = {}
# Override the GCLOUD_PROJECT and the alias.
env_key = TEST_CONFIG["gcloud_project_env"]
# This should error out if not set.
ret["GOOGLE_CLOUD_PROJECT"] = os.environ[env_key]
# Apply user supplied envs.
ret.update(TEST_CONFIG["envs"])
return ret
# DO NOT EDIT - automatically generated.
# All versions used to test samples.
ALL_VERSIONS = ["3.7", "3.8", "3.9", "3.10", "3.11"]
# Any default versions that should be ignored.
IGNORED_VERSIONS = TEST_CONFIG["ignored_versions"]
TESTED_VERSIONS = sorted([v for v in ALL_VERSIONS if v not in IGNORED_VERSIONS])
INSTALL_LIBRARY_FROM_SOURCE = os.environ.get("INSTALL_LIBRARY_FROM_SOURCE", False) in (
"True",
"true",
)
# Error if a python version is missing
nox.options.error_on_missing_interpreters = True
#
# Style Checks
#
# Linting with flake8.
#
# We ignore the following rules:
# E203: whitespace before ‘:’
# E266: too many leading ‘#’ for block comment
# E501: line too long
# I202: Additional newline in a section of imports
#
# We also need to specify the rules which are ignored by default:
# ['E226', 'W504', 'E126', 'E123', 'W503', 'E24', 'E704', 'E121']
FLAKE8_COMMON_ARGS = [
"--show-source",
"--builtin=gettext",
"--max-complexity=20",
"--exclude=.nox,.cache,env,lib,generated_pb2,*_pb2.py,*_pb2_grpc.py",
"--ignore=E121,E123,E126,E203,E226,E24,E266,E501,E704,W503,W504,I202",
"--max-line-length=88",
]
@nox.session
def lint(session: nox.sessions.Session) -> None:
if not TEST_CONFIG["enforce_type_hints"]:
session.install("flake8")
else:
session.install("flake8", "flake8-annotations")
args = FLAKE8_COMMON_ARGS + [
".",
]
session.run("flake8", *args)
#
# Black
#
@nox.session
def blacken(session: nox.sessions.Session) -> None:
"""Run black. Format code to uniform standard."""
session.install(BLACK_VERSION)
python_files = [path for path in os.listdir(".") if path.endswith(".py")]
session.run("black", *python_files)
#
# format = isort + black
#
@nox.session
def format(session: nox.sessions.Session) -> None:
"""
Run isort to sort imports. Then run black
to format code to uniform standard.
"""
session.install(BLACK_VERSION, ISORT_VERSION)
python_files = [path for path in os.listdir(".") if path.endswith(".py")]
# Use the --fss option to sort imports using strict alphabetical order.
# See https://pycqa.github.io/isort/docs/configuration/options.html#force-sort-within-sections
session.run("isort", "--fss", *python_files)
session.run("black", *python_files)
#
# Sample Tests
#
PYTEST_COMMON_ARGS = ["--junitxml=sponge_log.xml"]
def _session_tests(
session: nox.sessions.Session, post_install: Callable = None
) -> None:
# check for presence of tests
test_list = glob.glob("**/*_test.py", recursive=True) + glob.glob(
"**/test_*.py", recursive=True
)
test_list.extend(glob.glob("**/tests", recursive=True))
if len(test_list) == 0:
print("No tests found, skipping directory.")
return
if TEST_CONFIG["pip_version_override"]:
pip_version = TEST_CONFIG["pip_version_override"]
session.install(f"pip=={pip_version}")
"""Runs py.test for a particular project."""
concurrent_args = []
if os.path.exists("requirements.txt"):
if os.path.exists("constraints.txt"):
session.install("-r", "requirements.txt", "-c", "constraints.txt")
else:
session.install("-r", "requirements.txt")
with open("requirements.txt") as rfile:
packages = rfile.read()
if os.path.exists("requirements-test.txt"):
if os.path.exists("constraints-test.txt"):
session.install("-r", "requirements-test.txt", "-c", "constraints-test.txt")
else:
session.install("-r", "requirements-test.txt")
with open("requirements-test.txt") as rtfile:
packages += rtfile.read()
if INSTALL_LIBRARY_FROM_SOURCE:
session.install("-e", _get_repo_root())
if post_install:
post_install(session)
if "pytest-parallel" in packages:
concurrent_args.extend(["--workers", "auto", "--tests-per-worker", "auto"])
elif "pytest-xdist" in packages:
concurrent_args.extend(["-n", "auto"])
session.run(
"pytest",
*(PYTEST_COMMON_ARGS + session.posargs + concurrent_args),
# Pytest will return 5 when no tests are collected. This can happen
# on travis where slow and flaky tests are excluded.
# See http://doc.pytest.org/en/latest/_modules/_pytest/main.html
success_codes=[0, 5],
env=get_pytest_env_vars(),
)
@nox.session(python=ALL_VERSIONS)
def py(session: nox.sessions.Session) -> None:
"""Runs py.test for a sample using the specified version of Python."""
if session.python in TESTED_VERSIONS:
_session_tests(session)
else:
session.skip(
"SKIPPED: {} tests are disabled for this sample.".format(session.python)
)
#
# Readmegen
#
def _get_repo_root() -> Optional[str]:
"""Returns the root folder of the project."""
# Get root of this repository. Assume we don't have directories nested deeper than 10 items.
p = Path(os.getcwd())
for i in range(10):
if p is None:
break
if Path(p / ".git").exists():
return str(p)
# .git is not available in repos cloned via Cloud Build
# setup.py is always in the library's root, so use that instead
# https://github.com/googleapis/synthtool/issues/792
if Path(p / "setup.py").exists():
return str(p)
p = p.parent
raise Exception("Unable to detect repository root.")
GENERATED_READMES = sorted([x for x in Path(".").rglob("*.rst.in")])
@nox.session
@nox.parametrize("path", GENERATED_READMES)
def readmegen(session: nox.sessions.Session, path: str) -> None:
"""(Re-)generates the readme for a sample."""
session.install("jinja2", "pyyaml")
dir_ = os.path.dirname(path)
if os.path.exists(os.path.join(dir_, "requirements.txt")):
session.install("-r", os.path.join(dir_, "requirements.txt"))
in_file = os.path.join(dir_, "README.rst.in")
session.run(
"python", _get_repo_root() + "/scripts/readme-gen/readme_gen.py", in_file
)
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