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# 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 os.path
import tempfile
import subprocess
import py_compile
import contextlib
import shutil
import zipfile
# Executing the interpreter in a subprocess
def python_exit_code(*args):
cmd_line = [sys.executable, '-E']
cmd_line.extend(args)
with open(os.devnull, 'w') as devnull:
return subprocess.call(cmd_line, stdout=devnull,
stderr=subprocess.STDOUT)
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
def run_python(*args):
if __debug__:
p = spawn_python(*args)
else:
p = spawn_python('-O', *args)
stdout_data = kill_python(p)
return p.wait(), stdout_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 compile_script(script_name):
py_compile.compile(script_name, doraise=True)
if __debug__:
compiled_name = script_name + 'c'
else:
compiled_name = script_name + 'o'
return compiled_name
def make_zip_script(zip_dir, zip_basename, script_name, name_in_zip=None):
zip_filename = zip_basename+os.extsep+'zip'
zip_name = os.path.join(zip_dir, zip_filename)
zip_file = zipfile.ZipFile(zip_name, 'w')
if name_in_zip is None:
name_in_zip = os.path.basename(script_name)
zip_file.write(script_name, name_in_zip)
zip_file.close()
#if test.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, name_in_zip)
def make_pkg(pkg_dir):
os.mkdir(pkg_dir)
make_script(pkg_dir, '__init__', '')
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 = compile_script(init_name)
script_name = compile_script(script_name)
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.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)
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