1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
|
# Test the runpy module
import unittest
import os
import os.path
import sys
import tempfile
from test.test_support import verbose, run_unittest
from runpy import _run_module_code, run_module
# Set up the test code and expected results
class RunModuleCodeTest(unittest.TestCase):
expected_result = ["Top level assignment", "Lower level reference"]
test_source = (
"# Check basic code execution\n"
"result = ['Top level assignment']\n"
"def f():\n"
" result.append('Lower level reference')\n"
"f()\n"
"# Check the sys module\n"
"import sys\n"
"run_argv0 = sys.argv[0]\n"
"run_name_in_sys_modules = __name__ in sys.modules\n"
"if run_name_in_sys_modules:\n"
" module_in_sys_modules = globals() is sys.modules[__name__].__dict__\n"
"# Check nested operation\n"
"import runpy\n"
"nested = runpy._run_module_code('x=1\\n', mod_name='<run>')\n"
)
def test_run_module_code(self):
initial = object()
name = "<Nonsense>"
file = "Some other nonsense"
loader = "Now you're just being silly"
d1 = dict(initial=initial)
saved_argv0 = sys.argv[0]
try:
d2 = _run_module_code(self.test_source,
d1,
name,
file,
loader,
alter_sys=True)
self.failUnless("result" not in d1)
self.failUnless(d2["initial"] is initial)
self.assertEqual(d2["result"], self.expected_result)
self.assertEqual(d2["nested"]["x"], 1)
self.assertEqual(d2["nested"]["__name__"], "<run>")
self.failUnless(d2["__name__"] is name)
self.failUnless(d2["__file__"] is file)
self.failUnless(d2["__loader__"] is loader)
self.failUnless(d2["run_argv0"] is file)
self.failUnless(d2["run_name_in_sys_modules"])
self.failUnless(d2["module_in_sys_modules"])
self.failUnless(sys.argv[0] is not saved_argv0)
self.failUnless(name in sys.modules)
finally:
sys.argv[0] = saved_argv0
if name in sys.modules:
del sys.modules[name]
def test_run_module_code_defaults(self):
saved_argv0 = sys.argv[0]
d = _run_module_code(self.test_source)
self.assertEqual(d["result"], self.expected_result)
self.failUnless(d["nested"]["x"] == 1)
self.failUnless(d["nested"]["__name__"] == "<run>")
self.failUnless(d["__name__"] is None)
self.failUnless(d["__file__"] is None)
self.failUnless(d["__loader__"] is None)
self.failUnless(d["run_argv0"] is saved_argv0)
self.failUnless(not d["run_name_in_sys_modules"])
self.failUnless(sys.argv[0] is saved_argv0)
self.failUnless(None not in sys.modules)
class RunModuleTest(unittest.TestCase):
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")
self.expect_import_error(".howard")
self.expect_import_error("..eaten")
# Package
self.expect_import_error("logging")
def test_library_module(self):
run_module("runpy")
def _add_pkg_dir(self, pkg_dir):
os.mkdir(pkg_dir)
pkg_fname = os.path.join(pkg_dir, "__init__.py")
pkg_file = open(pkg_fname, "w")
pkg_file.close()
return pkg_fname
def _make_pkg(self, source, depth):
pkg_name = "__runpy_pkg__"
test_fname = "runpy_test.py"
pkg_dir = sub_dir = tempfile.mkdtemp()
if verbose: print(" Package tree in:", sub_dir)
sys.path.insert(0, pkg_dir)
if verbose: print(" Updated sys.path:", sys.path[0])
for i in range(depth):
sub_dir = os.path.join(sub_dir, pkg_name)
pkg_fname = self._add_pkg_dir(sub_dir)
if verbose: print(" Next level in:", sub_dir)
if verbose: print(" Created:", pkg_fname)
mod_fname = os.path.join(sub_dir, test_fname)
mod_file = open(mod_fname, "w")
mod_file.write(source)
mod_file.close()
if verbose: print(" Created:", mod_fname)
mod_name = (pkg_name+".")*depth + "runpy_test"
return pkg_dir, mod_fname, mod_name
def _del_pkg(self, top, depth, mod_name):
for entry in list(sys.modules):
if entry.startswith("__runpy_pkg__"):
del sys.modules[entry]
if verbose: print(" Removed sys.modules entries")
del sys.path[0]
if verbose: 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: 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: print(ex) # Persist with cleaning up
try:
os.rmdir(top)
if verbose: print(" Removed package tree")
except OSError as ex:
if verbose: print(ex) # Persist with cleaning up
def _check_module(self, depth):
pkg_dir, mod_fname, mod_name = (
self._make_pkg("x=1\n", depth))
try:
if verbose: print("Running from source:", mod_name)
d1 = run_module(mod_name) # Read from source
self.failUnless("x" in d1)
self.assertEqual(d1["x"], 1)
del d1 # Ensure __loader__ entry doesn't keep file open
__import__(mod_name)
os.remove(mod_fname)
if verbose: print("Running from compiled:", mod_name)
d2 = run_module(mod_name) # Read from bytecode
self.failUnless("x" in d2)
self.assertEqual(d2["x"], 1)
del d2 # Ensure __loader__ entry doesn't keep file open
finally:
self._del_pkg(pkg_dir, depth, mod_name)
if verbose: print("Module executed successfully")
def _add_relative_modules(self, base_dir, 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")
sibling_file = open(sibling_fname, "w")
sibling_file.close()
if verbose: 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: print(" Added uncle package:", uncle_dir)
cousin_dir = os.path.join(uncle_dir, "cousin")
self._add_pkg_dir(cousin_dir)
if verbose: print(" Added cousin package:", cousin_dir)
nephew_fname = os.path.join(cousin_dir, "nephew.py")
nephew_file = open(nephew_fname, "w")
nephew_file.close()
if verbose: print(" Added nephew module:", nephew_fname)
def _check_relative_imports(self, depth, run_name=None):
contents = """\
from __future__ import absolute_import
from . import sibling
from ..uncle.cousin import nephew
"""
pkg_dir, mod_fname, mod_name = (
self._make_pkg(contents, depth))
try:
self._add_relative_modules(pkg_dir, depth)
if verbose: print("Running from source:", mod_name)
d1 = run_module(mod_name) # Read from source
self.failUnless("sibling" in d1)
self.failUnless("nephew" in d1)
del d1 # Ensure __loader__ entry doesn't keep file open
__import__(mod_name)
os.remove(mod_fname)
if verbose: print("Running from compiled:", mod_name)
d2 = run_module(mod_name) # Read from bytecode
self.failUnless("sibling" in d2)
self.failUnless("nephew" in d2)
del d2 # Ensure __loader__ entry doesn't keep file open
finally:
self._del_pkg(pkg_dir, depth, mod_name)
if verbose: print("Module executed successfully")
def test_run_module(self):
for depth in range(4):
if verbose: print("Testing package depth:", depth)
self._check_module(depth)
def test_explicit_relative_import(self):
for depth in range(2, 5):
if verbose: print("Testing relative imports at depth:", depth)
self._check_relative_imports(depth)
def test_main():
run_unittest(RunModuleCodeTest)
run_unittest(RunModuleTest)
if __name__ == "__main__":
test_main()
|
