mirror of https://github.com/python/cpython
843 lines
34 KiB
Python
843 lines
34 KiB
Python
# Test the runpy module
|
|
import contextlib
|
|
import importlib.machinery, importlib.util
|
|
import os.path
|
|
import pathlib
|
|
import py_compile
|
|
import re
|
|
import signal
|
|
import subprocess
|
|
import sys
|
|
import tempfile
|
|
import textwrap
|
|
import unittest
|
|
import warnings
|
|
from test.support import (infinite_recursion, no_tracing, verbose,
|
|
requires_subprocess, requires_resource)
|
|
from test.support.import_helper import forget, make_legacy_pyc, unload
|
|
from test.support.os_helper import create_empty_file, temp_dir, FakePath
|
|
from test.support.script_helper import make_script, make_zip_script
|
|
|
|
|
|
import runpy
|
|
from runpy import _run_code, _run_module_code, run_module, run_path
|
|
# Note: This module can't safely test _run_module_as_main as it
|
|
# runs its tests in the current process, which would mess with the
|
|
# real __main__ module (usually test.regrtest)
|
|
# See test_cmd_line_script for a test that executes that code path
|
|
|
|
|
|
# Set up the test code and expected results
|
|
example_source = """\
|
|
# Check basic code execution
|
|
result = ['Top level assignment']
|
|
def f():
|
|
result.append('Lower level reference')
|
|
f()
|
|
del f
|
|
# Check the sys module
|
|
import sys
|
|
run_argv0 = sys.argv[0]
|
|
run_name_in_sys_modules = __name__ in sys.modules
|
|
module_in_sys_modules = (run_name_in_sys_modules and
|
|
globals() is sys.modules[__name__].__dict__)
|
|
# Check nested operation
|
|
import runpy
|
|
nested = runpy._run_module_code('x=1\\n', mod_name='<run>')
|
|
"""
|
|
|
|
implicit_namespace = {
|
|
"__name__": None,
|
|
"__file__": None,
|
|
"__cached__": None,
|
|
"__package__": None,
|
|
"__doc__": None,
|
|
"__spec__": None
|
|
}
|
|
example_namespace = {
|
|
"sys": sys,
|
|
"runpy": runpy,
|
|
"result": ["Top level assignment", "Lower level reference"],
|
|
"run_argv0": sys.argv[0],
|
|
"run_name_in_sys_modules": False,
|
|
"module_in_sys_modules": False,
|
|
"nested": dict(implicit_namespace,
|
|
x=1, __name__="<run>", __loader__=None),
|
|
}
|
|
example_namespace.update(implicit_namespace)
|
|
|
|
class CodeExecutionMixin:
|
|
# Issue #15230 (run_path not handling run_name correctly) highlighted a
|
|
# problem with the way arguments were being passed from higher level APIs
|
|
# down to lower level code. This mixin makes it easier to ensure full
|
|
# testing occurs at those upper layers as well, not just at the utility
|
|
# layer
|
|
|
|
# Figuring out the loader details in advance is hard to do, so we skip
|
|
# checking the full details of loader and loader_state
|
|
CHECKED_SPEC_ATTRIBUTES = ["name", "parent", "origin", "cached",
|
|
"has_location", "submodule_search_locations"]
|
|
|
|
def assertNamespaceMatches(self, result_ns, expected_ns):
|
|
"""Check two namespaces match.
|
|
|
|
Ignores any unspecified interpreter created names
|
|
"""
|
|
# Avoid side effects
|
|
result_ns = result_ns.copy()
|
|
expected_ns = expected_ns.copy()
|
|
# Impls are permitted to add extra names, so filter them out
|
|
for k in list(result_ns):
|
|
if k.startswith("__") and k.endswith("__"):
|
|
if k not in expected_ns:
|
|
result_ns.pop(k)
|
|
if k not in expected_ns["nested"]:
|
|
result_ns["nested"].pop(k)
|
|
# Spec equality includes the loader, so we take the spec out of the
|
|
# result namespace and check that separately
|
|
result_spec = result_ns.pop("__spec__")
|
|
expected_spec = expected_ns.pop("__spec__")
|
|
if expected_spec is None:
|
|
self.assertIsNone(result_spec)
|
|
else:
|
|
# If an expected loader is set, we just check we got the right
|
|
# type, rather than checking for full equality
|
|
if expected_spec.loader is not None:
|
|
self.assertEqual(type(result_spec.loader),
|
|
type(expected_spec.loader))
|
|
for attr in self.CHECKED_SPEC_ATTRIBUTES:
|
|
k = "__spec__." + attr
|
|
actual = (k, getattr(result_spec, attr))
|
|
expected = (k, getattr(expected_spec, attr))
|
|
self.assertEqual(actual, expected)
|
|
# For the rest, we still don't use direct dict comparison on the
|
|
# namespace, as the diffs are too hard to debug if anything breaks
|
|
self.assertEqual(set(result_ns), set(expected_ns))
|
|
for k in result_ns:
|
|
actual = (k, result_ns[k])
|
|
expected = (k, expected_ns[k])
|
|
self.assertEqual(actual, expected)
|
|
|
|
def check_code_execution(self, create_namespace, expected_namespace):
|
|
"""Check that an interface runs the example code correctly
|
|
|
|
First argument is a callable accepting the initial globals and
|
|
using them to create the actual namespace
|
|
Second argument is the expected result
|
|
"""
|
|
sentinel = object()
|
|
expected_ns = expected_namespace.copy()
|
|
run_name = expected_ns["__name__"]
|
|
saved_argv0 = sys.argv[0]
|
|
saved_mod = sys.modules.get(run_name, sentinel)
|
|
# Check without initial globals
|
|
result_ns = create_namespace(None)
|
|
self.assertNamespaceMatches(result_ns, expected_ns)
|
|
self.assertIs(sys.argv[0], saved_argv0)
|
|
self.assertIs(sys.modules.get(run_name, sentinel), saved_mod)
|
|
# And then with initial globals
|
|
initial_ns = {"sentinel": sentinel}
|
|
expected_ns["sentinel"] = sentinel
|
|
result_ns = create_namespace(initial_ns)
|
|
self.assertIsNot(result_ns, initial_ns)
|
|
self.assertNamespaceMatches(result_ns, expected_ns)
|
|
self.assertIs(sys.argv[0], saved_argv0)
|
|
self.assertIs(sys.modules.get(run_name, sentinel), saved_mod)
|
|
|
|
|
|
class ExecutionLayerTestCase(unittest.TestCase, CodeExecutionMixin):
|
|
"""Unit tests for runpy._run_code and runpy._run_module_code"""
|
|
|
|
def test_run_code(self):
|
|
expected_ns = example_namespace.copy()
|
|
expected_ns.update({
|
|
"__loader__": None,
|
|
})
|
|
def create_ns(init_globals):
|
|
return _run_code(example_source, {}, init_globals)
|
|
self.check_code_execution(create_ns, expected_ns)
|
|
|
|
def test_run_module_code(self):
|
|
mod_name = "<Nonsense>"
|
|
mod_fname = "Some other nonsense"
|
|
mod_loader = "Now you're just being silly"
|
|
mod_package = '' # Treat as a top level module
|
|
mod_spec = importlib.machinery.ModuleSpec(mod_name,
|
|
origin=mod_fname,
|
|
loader=mod_loader)
|
|
expected_ns = example_namespace.copy()
|
|
expected_ns.update({
|
|
"__name__": mod_name,
|
|
"__file__": mod_fname,
|
|
"__loader__": mod_loader,
|
|
"__package__": mod_package,
|
|
"__spec__": mod_spec,
|
|
"run_argv0": mod_fname,
|
|
"run_name_in_sys_modules": True,
|
|
"module_in_sys_modules": True,
|
|
})
|
|
def create_ns(init_globals):
|
|
return _run_module_code(example_source,
|
|
init_globals,
|
|
mod_name,
|
|
mod_spec)
|
|
self.check_code_execution(create_ns, expected_ns)
|
|
|
|
# TODO: Use self.addCleanup to get rid of a lot of try-finally blocks
|
|
class RunModuleTestCase(unittest.TestCase, CodeExecutionMixin):
|
|
"""Unit tests for runpy.run_module"""
|
|
|
|
def expect_import_error(self, mod_name):
|
|
try:
|
|
run_module(mod_name)
|
|
except ImportError:
|
|
pass
|
|
else:
|
|
self.fail("Expected import error for " + mod_name)
|
|
|
|
def test_invalid_names(self):
|
|
# Builtin module
|
|
self.expect_import_error("sys")
|
|
# Non-existent modules
|
|
self.expect_import_error("sys.imp.eric")
|
|
self.expect_import_error("os.path.half")
|
|
self.expect_import_error("a.bee")
|
|
# Relative names not allowed
|
|
self.expect_import_error(".howard")
|
|
self.expect_import_error("..eaten")
|
|
self.expect_import_error(".test_runpy")
|
|
self.expect_import_error(".unittest")
|
|
# Package without __main__.py
|
|
self.expect_import_error("multiprocessing")
|
|
|
|
def test_library_module(self):
|
|
self.assertEqual(run_module("runpy")["__name__"], "runpy")
|
|
|
|
def _add_pkg_dir(self, pkg_dir, namespace=False):
|
|
os.mkdir(pkg_dir)
|
|
if namespace:
|
|
return None
|
|
pkg_fname = os.path.join(pkg_dir, "__init__.py")
|
|
create_empty_file(pkg_fname)
|
|
return pkg_fname
|
|
|
|
def _make_pkg(self, source, depth, mod_base="runpy_test",
|
|
*, namespace=False, parent_namespaces=False):
|
|
# Enforce a couple of internal sanity checks on test cases
|
|
if (namespace or parent_namespaces) and not depth:
|
|
raise RuntimeError("Can't mark top level module as a "
|
|
"namespace package")
|
|
pkg_name = "__runpy_pkg__"
|
|
test_fname = mod_base+os.extsep+"py"
|
|
pkg_dir = sub_dir = os.path.realpath(tempfile.mkdtemp())
|
|
if verbose > 1: print(" Package tree in:", sub_dir)
|
|
sys.path.insert(0, pkg_dir)
|
|
if verbose > 1: print(" Updated sys.path:", sys.path[0])
|
|
if depth:
|
|
namespace_flags = [parent_namespaces] * depth
|
|
namespace_flags[-1] = namespace
|
|
for namespace_flag in namespace_flags:
|
|
sub_dir = os.path.join(sub_dir, pkg_name)
|
|
pkg_fname = self._add_pkg_dir(sub_dir, namespace_flag)
|
|
if verbose > 1: print(" Next level in:", sub_dir)
|
|
if verbose > 1: print(" Created:", pkg_fname)
|
|
mod_fname = os.path.join(sub_dir, test_fname)
|
|
with open(mod_fname, "w") as mod_file:
|
|
mod_file.write(source)
|
|
if verbose > 1: print(" Created:", mod_fname)
|
|
mod_name = (pkg_name+".")*depth + mod_base
|
|
mod_spec = importlib.util.spec_from_file_location(mod_name,
|
|
mod_fname)
|
|
return pkg_dir, mod_fname, mod_name, mod_spec
|
|
|
|
def _del_pkg(self, top):
|
|
for entry in list(sys.modules):
|
|
if entry.startswith("__runpy_pkg__"):
|
|
del sys.modules[entry]
|
|
if verbose > 1: print(" Removed sys.modules entries")
|
|
del sys.path[0]
|
|
if verbose > 1: print(" Removed sys.path entry")
|
|
for root, dirs, files in os.walk(top, topdown=False):
|
|
for name in files:
|
|
try:
|
|
os.remove(os.path.join(root, name))
|
|
except OSError as ex:
|
|
if verbose > 1: print(ex) # Persist with cleaning up
|
|
for name in dirs:
|
|
fullname = os.path.join(root, name)
|
|
try:
|
|
os.rmdir(fullname)
|
|
except OSError as ex:
|
|
if verbose > 1: print(ex) # Persist with cleaning up
|
|
try:
|
|
os.rmdir(top)
|
|
if verbose > 1: print(" Removed package tree")
|
|
except OSError as ex:
|
|
if verbose > 1: print(ex) # Persist with cleaning up
|
|
|
|
def _fix_ns_for_legacy_pyc(self, ns, alter_sys):
|
|
char_to_add = "c"
|
|
ns["__file__"] += char_to_add
|
|
ns["__cached__"] = ns["__file__"]
|
|
spec = ns["__spec__"]
|
|
new_spec = importlib.util.spec_from_file_location(spec.name,
|
|
ns["__file__"])
|
|
ns["__spec__"] = new_spec
|
|
if alter_sys:
|
|
ns["run_argv0"] += char_to_add
|
|
|
|
|
|
def _check_module(self, depth, alter_sys=False,
|
|
*, namespace=False, parent_namespaces=False):
|
|
pkg_dir, mod_fname, mod_name, mod_spec = (
|
|
self._make_pkg(example_source, depth,
|
|
namespace=namespace,
|
|
parent_namespaces=parent_namespaces))
|
|
forget(mod_name)
|
|
expected_ns = example_namespace.copy()
|
|
expected_ns.update({
|
|
"__name__": mod_name,
|
|
"__file__": mod_fname,
|
|
"__cached__": mod_spec.cached,
|
|
"__package__": mod_name.rpartition(".")[0],
|
|
"__spec__": mod_spec,
|
|
})
|
|
if alter_sys:
|
|
expected_ns.update({
|
|
"run_argv0": mod_fname,
|
|
"run_name_in_sys_modules": True,
|
|
"module_in_sys_modules": True,
|
|
})
|
|
def create_ns(init_globals):
|
|
return run_module(mod_name, init_globals, alter_sys=alter_sys)
|
|
try:
|
|
if verbose > 1: print("Running from source:", mod_name)
|
|
self.check_code_execution(create_ns, expected_ns)
|
|
importlib.invalidate_caches()
|
|
__import__(mod_name)
|
|
os.remove(mod_fname)
|
|
if not sys.dont_write_bytecode:
|
|
make_legacy_pyc(mod_fname)
|
|
unload(mod_name) # In case loader caches paths
|
|
importlib.invalidate_caches()
|
|
if verbose > 1: print("Running from compiled:", mod_name)
|
|
self._fix_ns_for_legacy_pyc(expected_ns, alter_sys)
|
|
self.check_code_execution(create_ns, expected_ns)
|
|
finally:
|
|
self._del_pkg(pkg_dir)
|
|
if verbose > 1: print("Module executed successfully")
|
|
|
|
def _check_package(self, depth, alter_sys=False,
|
|
*, namespace=False, parent_namespaces=False):
|
|
pkg_dir, mod_fname, mod_name, mod_spec = (
|
|
self._make_pkg(example_source, depth, "__main__",
|
|
namespace=namespace,
|
|
parent_namespaces=parent_namespaces))
|
|
pkg_name = mod_name.rpartition(".")[0]
|
|
forget(mod_name)
|
|
expected_ns = example_namespace.copy()
|
|
expected_ns.update({
|
|
"__name__": mod_name,
|
|
"__file__": mod_fname,
|
|
"__cached__": importlib.util.cache_from_source(mod_fname),
|
|
"__package__": pkg_name,
|
|
"__spec__": mod_spec,
|
|
})
|
|
if alter_sys:
|
|
expected_ns.update({
|
|
"run_argv0": mod_fname,
|
|
"run_name_in_sys_modules": True,
|
|
"module_in_sys_modules": True,
|
|
})
|
|
def create_ns(init_globals):
|
|
return run_module(pkg_name, init_globals, alter_sys=alter_sys)
|
|
try:
|
|
if verbose > 1: print("Running from source:", pkg_name)
|
|
self.check_code_execution(create_ns, expected_ns)
|
|
importlib.invalidate_caches()
|
|
__import__(mod_name)
|
|
os.remove(mod_fname)
|
|
if not sys.dont_write_bytecode:
|
|
make_legacy_pyc(mod_fname)
|
|
unload(mod_name) # In case loader caches paths
|
|
if verbose > 1: print("Running from compiled:", pkg_name)
|
|
importlib.invalidate_caches()
|
|
self._fix_ns_for_legacy_pyc(expected_ns, alter_sys)
|
|
self.check_code_execution(create_ns, expected_ns)
|
|
finally:
|
|
self._del_pkg(pkg_dir)
|
|
if verbose > 1: print("Package executed successfully")
|
|
|
|
def _add_relative_modules(self, base_dir, source, depth):
|
|
if depth <= 1:
|
|
raise ValueError("Relative module test needs depth > 1")
|
|
pkg_name = "__runpy_pkg__"
|
|
module_dir = base_dir
|
|
for i in range(depth):
|
|
parent_dir = module_dir
|
|
module_dir = os.path.join(module_dir, pkg_name)
|
|
# Add sibling module
|
|
sibling_fname = os.path.join(module_dir, "sibling.py")
|
|
create_empty_file(sibling_fname)
|
|
if verbose > 1: print(" Added sibling module:", sibling_fname)
|
|
# Add nephew module
|
|
uncle_dir = os.path.join(parent_dir, "uncle")
|
|
self._add_pkg_dir(uncle_dir)
|
|
if verbose > 1: print(" Added uncle package:", uncle_dir)
|
|
cousin_dir = os.path.join(uncle_dir, "cousin")
|
|
self._add_pkg_dir(cousin_dir)
|
|
if verbose > 1: print(" Added cousin package:", cousin_dir)
|
|
nephew_fname = os.path.join(cousin_dir, "nephew.py")
|
|
create_empty_file(nephew_fname)
|
|
if verbose > 1: print(" Added nephew module:", nephew_fname)
|
|
|
|
def _check_relative_imports(self, depth, run_name=None):
|
|
contents = r"""\
|
|
from __future__ import absolute_import
|
|
from . import sibling
|
|
from ..uncle.cousin import nephew
|
|
"""
|
|
pkg_dir, mod_fname, mod_name, mod_spec = (
|
|
self._make_pkg(contents, depth))
|
|
if run_name is None:
|
|
expected_name = mod_name
|
|
else:
|
|
expected_name = run_name
|
|
try:
|
|
self._add_relative_modules(pkg_dir, contents, depth)
|
|
pkg_name = mod_name.rpartition('.')[0]
|
|
if verbose > 1: print("Running from source:", mod_name)
|
|
d1 = run_module(mod_name, run_name=run_name) # Read from source
|
|
self.assertEqual(d1["__name__"], expected_name)
|
|
self.assertEqual(d1["__package__"], pkg_name)
|
|
self.assertIn("sibling", d1)
|
|
self.assertIn("nephew", d1)
|
|
del d1 # Ensure __loader__ entry doesn't keep file open
|
|
importlib.invalidate_caches()
|
|
__import__(mod_name)
|
|
os.remove(mod_fname)
|
|
if not sys.dont_write_bytecode:
|
|
make_legacy_pyc(mod_fname)
|
|
unload(mod_name) # In case the loader caches paths
|
|
if verbose > 1: print("Running from compiled:", mod_name)
|
|
importlib.invalidate_caches()
|
|
d2 = run_module(mod_name, run_name=run_name) # Read from bytecode
|
|
self.assertEqual(d2["__name__"], expected_name)
|
|
self.assertEqual(d2["__package__"], pkg_name)
|
|
self.assertIn("sibling", d2)
|
|
self.assertIn("nephew", d2)
|
|
del d2 # Ensure __loader__ entry doesn't keep file open
|
|
finally:
|
|
self._del_pkg(pkg_dir)
|
|
if verbose > 1: print("Module executed successfully")
|
|
|
|
def test_run_module(self):
|
|
for depth in range(4):
|
|
if verbose > 1: print("Testing package depth:", depth)
|
|
self._check_module(depth)
|
|
|
|
def test_run_module_in_namespace_package(self):
|
|
for depth in range(1, 4):
|
|
if verbose > 1: print("Testing package depth:", depth)
|
|
self._check_module(depth, namespace=True, parent_namespaces=True)
|
|
|
|
def test_run_package(self):
|
|
for depth in range(1, 4):
|
|
if verbose > 1: print("Testing package depth:", depth)
|
|
self._check_package(depth)
|
|
|
|
def test_run_package_init_exceptions(self):
|
|
# These were previously wrapped in an ImportError; see Issue 14285
|
|
result = self._make_pkg("", 1, "__main__")
|
|
pkg_dir, _, mod_name, _ = result
|
|
mod_name = mod_name.replace(".__main__", "")
|
|
self.addCleanup(self._del_pkg, pkg_dir)
|
|
init = os.path.join(pkg_dir, "__runpy_pkg__", "__init__.py")
|
|
|
|
exceptions = (ImportError, AttributeError, TypeError, ValueError)
|
|
for exception in exceptions:
|
|
name = exception.__name__
|
|
with self.subTest(name):
|
|
source = "raise {0}('{0} in __init__.py.')".format(name)
|
|
with open(init, "wt", encoding="ascii") as mod_file:
|
|
mod_file.write(source)
|
|
try:
|
|
run_module(mod_name)
|
|
except exception as err:
|
|
self.assertNotIn("finding spec", format(err))
|
|
else:
|
|
self.fail("Nothing raised; expected {}".format(name))
|
|
try:
|
|
run_module(mod_name + ".submodule")
|
|
except exception as err:
|
|
self.assertNotIn("finding spec", format(err))
|
|
else:
|
|
self.fail("Nothing raised; expected {}".format(name))
|
|
|
|
def test_submodule_imported_warning(self):
|
|
pkg_dir, _, mod_name, _ = self._make_pkg("", 1)
|
|
try:
|
|
__import__(mod_name)
|
|
with self.assertWarnsRegex(RuntimeWarning,
|
|
r"found in sys\.modules"):
|
|
run_module(mod_name)
|
|
finally:
|
|
self._del_pkg(pkg_dir)
|
|
|
|
def test_package_imported_no_warning(self):
|
|
pkg_dir, _, mod_name, _ = self._make_pkg("", 1, "__main__")
|
|
self.addCleanup(self._del_pkg, pkg_dir)
|
|
package = mod_name.replace(".__main__", "")
|
|
# No warning should occur if we only imported the parent package
|
|
__import__(package)
|
|
self.assertIn(package, sys.modules)
|
|
with warnings.catch_warnings():
|
|
warnings.simplefilter("error", RuntimeWarning)
|
|
run_module(package)
|
|
# But the warning should occur if we imported the __main__ submodule
|
|
__import__(mod_name)
|
|
with self.assertWarnsRegex(RuntimeWarning, r"found in sys\.modules"):
|
|
run_module(package)
|
|
|
|
def test_run_package_in_namespace_package(self):
|
|
for depth in range(1, 4):
|
|
if verbose > 1: print("Testing package depth:", depth)
|
|
self._check_package(depth, parent_namespaces=True)
|
|
|
|
def test_run_namespace_package(self):
|
|
for depth in range(1, 4):
|
|
if verbose > 1: print("Testing package depth:", depth)
|
|
self._check_package(depth, namespace=True)
|
|
|
|
def test_run_namespace_package_in_namespace_package(self):
|
|
for depth in range(1, 4):
|
|
if verbose > 1: print("Testing package depth:", depth)
|
|
self._check_package(depth, namespace=True, parent_namespaces=True)
|
|
|
|
def test_run_module_alter_sys(self):
|
|
for depth in range(4):
|
|
if verbose > 1: print("Testing package depth:", depth)
|
|
self._check_module(depth, alter_sys=True)
|
|
|
|
def test_run_package_alter_sys(self):
|
|
for depth in range(1, 4):
|
|
if verbose > 1: print("Testing package depth:", depth)
|
|
self._check_package(depth, alter_sys=True)
|
|
|
|
def test_explicit_relative_import(self):
|
|
for depth in range(2, 5):
|
|
if verbose > 1: print("Testing relative imports at depth:", depth)
|
|
self._check_relative_imports(depth)
|
|
|
|
def test_main_relative_import(self):
|
|
for depth in range(2, 5):
|
|
if verbose > 1: print("Testing main relative imports at depth:", depth)
|
|
self._check_relative_imports(depth, "__main__")
|
|
|
|
def test_run_name(self):
|
|
depth = 1
|
|
run_name = "And now for something completely different"
|
|
pkg_dir, mod_fname, mod_name, mod_spec = (
|
|
self._make_pkg(example_source, depth))
|
|
forget(mod_name)
|
|
expected_ns = example_namespace.copy()
|
|
expected_ns.update({
|
|
"__name__": run_name,
|
|
"__file__": mod_fname,
|
|
"__cached__": importlib.util.cache_from_source(mod_fname),
|
|
"__package__": mod_name.rpartition(".")[0],
|
|
"__spec__": mod_spec,
|
|
})
|
|
def create_ns(init_globals):
|
|
return run_module(mod_name, init_globals, run_name)
|
|
try:
|
|
self.check_code_execution(create_ns, expected_ns)
|
|
finally:
|
|
self._del_pkg(pkg_dir)
|
|
|
|
def test_pkgutil_walk_packages(self):
|
|
# This is a dodgy hack to use the test_runpy infrastructure to test
|
|
# issue #15343. Issue #15348 declares this is indeed a dodgy hack ;)
|
|
import pkgutil
|
|
max_depth = 4
|
|
base_name = "__runpy_pkg__"
|
|
package_suffixes = ["uncle", "uncle.cousin"]
|
|
module_suffixes = ["uncle.cousin.nephew", base_name + ".sibling"]
|
|
expected_packages = set()
|
|
expected_modules = set()
|
|
for depth in range(1, max_depth):
|
|
pkg_name = ".".join([base_name] * depth)
|
|
expected_packages.add(pkg_name)
|
|
for name in package_suffixes:
|
|
expected_packages.add(pkg_name + "." + name)
|
|
for name in module_suffixes:
|
|
expected_modules.add(pkg_name + "." + name)
|
|
pkg_name = ".".join([base_name] * max_depth)
|
|
expected_packages.add(pkg_name)
|
|
expected_modules.add(pkg_name + ".runpy_test")
|
|
pkg_dir, mod_fname, mod_name, mod_spec = (
|
|
self._make_pkg("", max_depth))
|
|
self.addCleanup(self._del_pkg, pkg_dir)
|
|
for depth in range(2, max_depth+1):
|
|
self._add_relative_modules(pkg_dir, "", depth)
|
|
for moduleinfo in pkgutil.walk_packages([pkg_dir]):
|
|
self.assertIsInstance(moduleinfo, pkgutil.ModuleInfo)
|
|
self.assertIsInstance(moduleinfo.module_finder,
|
|
importlib.machinery.FileFinder)
|
|
if moduleinfo.ispkg:
|
|
expected_packages.remove(moduleinfo.name)
|
|
else:
|
|
expected_modules.remove(moduleinfo.name)
|
|
self.assertEqual(len(expected_packages), 0, expected_packages)
|
|
self.assertEqual(len(expected_modules), 0, expected_modules)
|
|
|
|
class RunPathTestCase(unittest.TestCase, CodeExecutionMixin):
|
|
"""Unit tests for runpy.run_path"""
|
|
|
|
def _make_test_script(self, script_dir, script_basename,
|
|
source=None, omit_suffix=False):
|
|
if source is None:
|
|
source = example_source
|
|
return make_script(script_dir, script_basename,
|
|
source, omit_suffix)
|
|
|
|
def _check_script(self, script_name, expected_name, expected_file,
|
|
expected_argv0, mod_name=None,
|
|
expect_spec=True, check_loader=True):
|
|
# First check is without run_name
|
|
def create_ns(init_globals):
|
|
return run_path(script_name, init_globals)
|
|
expected_ns = example_namespace.copy()
|
|
if mod_name is None:
|
|
spec_name = expected_name
|
|
else:
|
|
spec_name = mod_name
|
|
if expect_spec:
|
|
mod_spec = importlib.util.spec_from_file_location(spec_name,
|
|
expected_file)
|
|
mod_cached = mod_spec.cached
|
|
if not check_loader:
|
|
mod_spec.loader = None
|
|
else:
|
|
mod_spec = mod_cached = None
|
|
|
|
expected_ns.update({
|
|
"__name__": expected_name,
|
|
"__file__": expected_file,
|
|
"__cached__": mod_cached,
|
|
"__package__": "",
|
|
"__spec__": mod_spec,
|
|
"run_argv0": expected_argv0,
|
|
"run_name_in_sys_modules": True,
|
|
"module_in_sys_modules": True,
|
|
})
|
|
self.check_code_execution(create_ns, expected_ns)
|
|
# Second check makes sure run_name works in all cases
|
|
run_name = "prove.issue15230.is.fixed"
|
|
def create_ns(init_globals):
|
|
return run_path(script_name, init_globals, run_name)
|
|
if expect_spec and mod_name is None:
|
|
mod_spec = importlib.util.spec_from_file_location(run_name,
|
|
expected_file)
|
|
if not check_loader:
|
|
mod_spec.loader = None
|
|
expected_ns["__spec__"] = mod_spec
|
|
expected_ns["__name__"] = run_name
|
|
expected_ns["__package__"] = run_name.rpartition(".")[0]
|
|
self.check_code_execution(create_ns, expected_ns)
|
|
|
|
def _check_import_error(self, script_name, msg):
|
|
msg = re.escape(msg)
|
|
self.assertRaisesRegex(ImportError, msg, run_path, script_name)
|
|
|
|
def test_basic_script(self):
|
|
with temp_dir() as script_dir:
|
|
mod_name = 'script'
|
|
script_name = self._make_test_script(script_dir, mod_name)
|
|
self._check_script(script_name, "<run_path>", script_name,
|
|
script_name, expect_spec=False)
|
|
|
|
def test_basic_script_with_pathlike_object(self):
|
|
with temp_dir() as script_dir:
|
|
mod_name = 'script'
|
|
script_name = self._make_test_script(script_dir, mod_name)
|
|
self._check_script(FakePath(script_name), "<run_path>",
|
|
script_name,
|
|
script_name,
|
|
expect_spec=False)
|
|
|
|
def test_basic_script_no_suffix(self):
|
|
with temp_dir() as script_dir:
|
|
mod_name = 'script'
|
|
script_name = self._make_test_script(script_dir, mod_name,
|
|
omit_suffix=True)
|
|
self._check_script(script_name, "<run_path>", script_name,
|
|
script_name, expect_spec=False)
|
|
|
|
def test_script_compiled(self):
|
|
with temp_dir() as script_dir:
|
|
mod_name = 'script'
|
|
script_name = self._make_test_script(script_dir, mod_name)
|
|
compiled_name = py_compile.compile(script_name, doraise=True)
|
|
os.remove(script_name)
|
|
self._check_script(compiled_name, "<run_path>", compiled_name,
|
|
compiled_name, expect_spec=False)
|
|
|
|
def test_directory(self):
|
|
with temp_dir() as script_dir:
|
|
mod_name = '__main__'
|
|
script_name = self._make_test_script(script_dir, mod_name)
|
|
self._check_script(script_dir, "<run_path>", script_name,
|
|
script_dir, mod_name=mod_name)
|
|
|
|
def test_directory_compiled(self):
|
|
with temp_dir() as script_dir:
|
|
mod_name = '__main__'
|
|
script_name = self._make_test_script(script_dir, mod_name)
|
|
compiled_name = py_compile.compile(script_name, doraise=True)
|
|
os.remove(script_name)
|
|
if not sys.dont_write_bytecode:
|
|
legacy_pyc = make_legacy_pyc(script_name)
|
|
self._check_script(script_dir, "<run_path>", legacy_pyc,
|
|
script_dir, mod_name=mod_name)
|
|
|
|
def test_directory_error(self):
|
|
with temp_dir() as script_dir:
|
|
mod_name = 'not_main'
|
|
script_name = self._make_test_script(script_dir, mod_name)
|
|
msg = "can't find '__main__' module in %r" % script_dir
|
|
self._check_import_error(script_dir, msg)
|
|
|
|
def test_zipfile(self):
|
|
with temp_dir() as script_dir:
|
|
mod_name = '__main__'
|
|
script_name = self._make_test_script(script_dir, mod_name)
|
|
zip_name, fname = make_zip_script(script_dir, 'test_zip', script_name)
|
|
self._check_script(zip_name, "<run_path>", fname, zip_name,
|
|
mod_name=mod_name, check_loader=False)
|
|
|
|
def test_zipfile_compiled(self):
|
|
with temp_dir() as script_dir:
|
|
mod_name = '__main__'
|
|
script_name = self._make_test_script(script_dir, mod_name)
|
|
compiled_name = py_compile.compile(script_name, doraise=True)
|
|
zip_name, fname = make_zip_script(script_dir, 'test_zip',
|
|
compiled_name)
|
|
self._check_script(zip_name, "<run_path>", fname, zip_name,
|
|
mod_name=mod_name, check_loader=False)
|
|
|
|
def test_zipfile_error(self):
|
|
with temp_dir() as script_dir:
|
|
mod_name = 'not_main'
|
|
script_name = self._make_test_script(script_dir, mod_name)
|
|
zip_name, fname = make_zip_script(script_dir, 'test_zip', script_name)
|
|
msg = "can't find '__main__' module in %r" % zip_name
|
|
self._check_import_error(zip_name, msg)
|
|
|
|
@no_tracing
|
|
@requires_resource('cpu')
|
|
def test_main_recursion_error(self):
|
|
with temp_dir() as script_dir, temp_dir() as dummy_dir:
|
|
mod_name = '__main__'
|
|
source = ("import runpy\n"
|
|
"runpy.run_path(%r)\n") % dummy_dir
|
|
script_name = self._make_test_script(script_dir, mod_name, source)
|
|
zip_name, fname = make_zip_script(script_dir, 'test_zip', script_name)
|
|
with infinite_recursion(25):
|
|
self.assertRaises(RecursionError, run_path, zip_name)
|
|
|
|
def test_encoding(self):
|
|
with temp_dir() as script_dir:
|
|
filename = os.path.join(script_dir, 'script.py')
|
|
with open(filename, 'w', encoding='latin1') as f:
|
|
f.write("""
|
|
#coding:latin1
|
|
s = "non-ASCII: h\xe9"
|
|
""")
|
|
result = run_path(filename)
|
|
self.assertEqual(result['s'], "non-ASCII: h\xe9")
|
|
|
|
|
|
class TestExit(unittest.TestCase):
|
|
STATUS_CONTROL_C_EXIT = 0xC000013A
|
|
EXPECTED_CODE = (
|
|
STATUS_CONTROL_C_EXIT
|
|
if sys.platform == "win32"
|
|
else -signal.SIGINT
|
|
)
|
|
@staticmethod
|
|
@contextlib.contextmanager
|
|
def tmp_path(*args, **kwargs):
|
|
with temp_dir() as tmp_fn:
|
|
yield pathlib.Path(tmp_fn)
|
|
|
|
|
|
def run(self, *args, **kwargs):
|
|
with self.tmp_path() as tmp:
|
|
self.ham = ham = tmp / "ham.py"
|
|
ham.write_text(
|
|
textwrap.dedent(
|
|
"""\
|
|
raise KeyboardInterrupt
|
|
"""
|
|
)
|
|
)
|
|
super().run(*args, **kwargs)
|
|
|
|
@requires_subprocess()
|
|
def assertSigInt(self, cmd, *args, **kwargs):
|
|
# Use -E to ignore PYTHONSAFEPATH
|
|
cmd = [sys.executable, '-E', *cmd]
|
|
proc = subprocess.run(cmd, *args, **kwargs, text=True, stderr=subprocess.PIPE)
|
|
self.assertTrue(proc.stderr.endswith("\nKeyboardInterrupt\n"), proc.stderr)
|
|
self.assertEqual(proc.returncode, self.EXPECTED_CODE)
|
|
|
|
def test_pymain_run_file(self):
|
|
self.assertSigInt([self.ham])
|
|
|
|
def test_pymain_run_file_runpy_run_module(self):
|
|
tmp = self.ham.parent
|
|
run_module = tmp / "run_module.py"
|
|
run_module.write_text(
|
|
textwrap.dedent(
|
|
"""\
|
|
import runpy
|
|
runpy.run_module("ham")
|
|
"""
|
|
)
|
|
)
|
|
self.assertSigInt([run_module], cwd=tmp)
|
|
|
|
def test_pymain_run_file_runpy_run_module_as_main(self):
|
|
tmp = self.ham.parent
|
|
run_module_as_main = tmp / "run_module_as_main.py"
|
|
run_module_as_main.write_text(
|
|
textwrap.dedent(
|
|
"""\
|
|
import runpy
|
|
runpy._run_module_as_main("ham")
|
|
"""
|
|
)
|
|
)
|
|
self.assertSigInt([run_module_as_main], cwd=tmp)
|
|
|
|
def test_pymain_run_command_run_module(self):
|
|
self.assertSigInt(
|
|
["-c", "import runpy; runpy.run_module('ham')"],
|
|
cwd=self.ham.parent,
|
|
)
|
|
|
|
def test_pymain_run_command(self):
|
|
self.assertSigInt(["-c", "import ham"], cwd=self.ham.parent)
|
|
|
|
def test_pymain_run_stdin(self):
|
|
self.assertSigInt([], input="import ham", cwd=self.ham.parent)
|
|
|
|
def test_pymain_run_module(self):
|
|
ham = self.ham
|
|
self.assertSigInt(["-m", ham.stem], cwd=ham.parent)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|