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- """Reusable functions and classes for different types of integration tests.
- For example ``Archive`` can be used to check the contents of distribution built
- with setuptools, and ``run`` will always try to be as verbose as possible to
- facilitate debugging.
- """
- import os
- import subprocess
- import tarfile
- from pathlib import Path
- from zipfile import ZipFile
- def run(cmd, env=None):
- r = subprocess.run(
- cmd,
- capture_output=True,
- text=True,
- encoding="utf-8",
- env={**os.environ, **(env or {})},
- # ^-- allow overwriting instead of discarding the current env
- )
- out = r.stdout + "\n" + r.stderr
- # pytest omits stdout/err by default, if the test fails they help debugging
- print("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~")
- print(f"Command: {cmd}\nreturn code: {r.returncode}\n\n{out}")
- if r.returncode == 0:
- return out
- raise subprocess.CalledProcessError(r.returncode, cmd, r.stdout, r.stderr)
- class Archive:
- """Compatibility layer for ZipFile/Info and TarFile/Info"""
- def __init__(self, filename):
- self._filename = filename
- if filename.endswith("tar.gz"):
- self._obj = tarfile.open(filename, "r:gz")
- elif filename.endswith("zip"):
- self._obj = ZipFile(filename)
- else:
- raise ValueError(f"{filename} doesn't seem to be a zip or tar.gz")
- def __iter__(self):
- if hasattr(self._obj, "infolist"):
- return iter(self._obj.infolist())
- return iter(self._obj)
- def get_name(self, zip_or_tar_info):
- if hasattr(zip_or_tar_info, "filename"):
- return zip_or_tar_info.filename
- return zip_or_tar_info.name
- def get_content(self, zip_or_tar_info):
- if hasattr(self._obj, "extractfile"):
- content = self._obj.extractfile(zip_or_tar_info)
- if content is None:
- msg = f"Invalid {zip_or_tar_info.name} in {self._filename}"
- raise ValueError(msg)
- return str(content.read(), "utf-8")
- return str(self._obj.read(zip_or_tar_info), "utf-8")
- def get_sdist_members(sdist_path):
- with tarfile.open(sdist_path, "r:gz") as tar:
- files = [Path(f) for f in tar.getnames()]
- # remove root folder
- relative_files = ("/".join(f.parts[1:]) for f in files)
- return {f for f in relative_files if f}
- def get_wheel_members(wheel_path):
- with ZipFile(wheel_path) as zipfile:
- return set(zipfile.namelist())
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