mirror of https://github.com/python/cpython
127 lines
4.2 KiB
Python
127 lines
4.2 KiB
Python
# Common utility functions used by various script execution tests
|
|
# e.g. test_cmd_line, test_cmd_line_script and test_runpy
|
|
|
|
import sys
|
|
import os
|
|
import re
|
|
import os.path
|
|
import tempfile
|
|
import subprocess
|
|
import py_compile
|
|
import contextlib
|
|
import shutil
|
|
import zipfile
|
|
|
|
from test.support import strip_python_stderr
|
|
|
|
# Executing the interpreter in a subprocess
|
|
def _assert_python(expected_success, *args, **env_vars):
|
|
cmd_line = [sys.executable]
|
|
if not env_vars:
|
|
cmd_line.append('-E')
|
|
cmd_line.extend(args)
|
|
# Need to preserve the original environment, for in-place testing of
|
|
# shared library builds.
|
|
env = os.environ.copy()
|
|
env.update(env_vars)
|
|
p = subprocess.Popen(cmd_line, stdin=subprocess.PIPE,
|
|
stdout=subprocess.PIPE, stderr=subprocess.PIPE,
|
|
env=env)
|
|
try:
|
|
out, err = p.communicate()
|
|
finally:
|
|
subprocess._cleanup()
|
|
p.stdout.close()
|
|
p.stderr.close()
|
|
rc = p.returncode
|
|
err = strip_python_stderr(err)
|
|
if (rc and expected_success) or (not rc and not expected_success):
|
|
raise AssertionError(
|
|
"Process return code is %d, "
|
|
"stderr follows:\n%s" % (rc, err.decode('ascii', 'ignore')))
|
|
return rc, out, err
|
|
|
|
def assert_python_ok(*args, **env_vars):
|
|
"""
|
|
Assert that running the interpreter with `args` and optional environment
|
|
variables `env_vars` is ok and return a (return code, stdout, stderr) tuple.
|
|
"""
|
|
return _assert_python(True, *args, **env_vars)
|
|
|
|
def assert_python_failure(*args, **env_vars):
|
|
"""
|
|
Assert that running the interpreter with `args` and optional environment
|
|
variables `env_vars` fails and return a (return code, stdout, stderr) tuple.
|
|
"""
|
|
return _assert_python(False, *args, **env_vars)
|
|
|
|
def spawn_python(*args):
|
|
cmd_line = [sys.executable, '-E']
|
|
cmd_line.extend(args)
|
|
return subprocess.Popen(cmd_line, stdin=subprocess.PIPE,
|
|
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
|
|
|
|
def kill_python(p):
|
|
p.stdin.close()
|
|
data = p.stdout.read()
|
|
p.stdout.close()
|
|
# try to cleanup the child so we don't appear to leak when running
|
|
# with regrtest -R.
|
|
p.wait()
|
|
subprocess._cleanup()
|
|
return data
|
|
|
|
# Script creation utilities
|
|
@contextlib.contextmanager
|
|
def temp_dir():
|
|
dirname = tempfile.mkdtemp()
|
|
dirname = os.path.realpath(dirname)
|
|
try:
|
|
yield dirname
|
|
finally:
|
|
shutil.rmtree(dirname)
|
|
|
|
def make_script(script_dir, script_basename, source):
|
|
script_filename = script_basename+os.extsep+'py'
|
|
script_name = os.path.join(script_dir, script_filename)
|
|
# The script should be encoded to UTF-8, the default string encoding
|
|
script_file = open(script_name, 'w', encoding='utf-8')
|
|
script_file.write(source)
|
|
script_file.close()
|
|
return script_name
|
|
|
|
def make_pkg(pkg_dir, init_source=''):
|
|
os.mkdir(pkg_dir)
|
|
make_script(pkg_dir, '__init__', init_source)
|
|
|
|
def make_zip_pkg(zip_dir, zip_basename, pkg_name, script_basename,
|
|
source, depth=1, compiled=False):
|
|
unlink = []
|
|
init_name = make_script(zip_dir, '__init__', '')
|
|
unlink.append(init_name)
|
|
init_basename = os.path.basename(init_name)
|
|
script_name = make_script(zip_dir, script_basename, source)
|
|
unlink.append(script_name)
|
|
if compiled:
|
|
init_name = py_compile(init_name, doraise=True)
|
|
script_name = py_compile(script_name, doraise=True)
|
|
unlink.extend((init_name, script_name))
|
|
pkg_names = [os.sep.join([pkg_name]*i) for i in range(1, depth+1)]
|
|
script_name_in_zip = os.path.join(pkg_names[-1], os.path.basename(script_name))
|
|
zip_filename = zip_basename+os.extsep+'zip'
|
|
zip_name = os.path.join(zip_dir, zip_filename)
|
|
zip_file = zipfile.ZipFile(zip_name, 'w')
|
|
for name in pkg_names:
|
|
init_name_in_zip = os.path.join(name, init_basename)
|
|
zip_file.write(init_name, init_name_in_zip)
|
|
zip_file.write(script_name, script_name_in_zip)
|
|
zip_file.close()
|
|
for name in unlink:
|
|
os.unlink(name)
|
|
#if test.support.verbose:
|
|
# zip_file = zipfile.ZipFile(zip_name, 'r')
|
|
# print 'Contents of %r:' % zip_name
|
|
# zip_file.printdir()
|
|
# zip_file.close()
|
|
return zip_name, os.path.join(zip_name, script_name_in_zip)
|