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
|
import sys
import textwrap
from collections import defaultdict
from contextlib import contextmanager
from pathlib import Path
import pytest
@pytest.mark.skipif(sys.platform != "win32", reason="no Windows registry")
@pytest.mark.usefixtures("_mock_registry")
def test_pep514():
from virtualenv.discovery.windows.pep514 import discover_pythons
interpreters = list(discover_pythons())
assert interpreters == [
("ContinuumAnalytics", 3, 7, 32, "C:\\Users\\user\\Miniconda3\\python.exe", None),
("ContinuumAnalytics", 3, 7, 64, "C:\\Users\\user\\Miniconda3-64\\python.exe", None),
("PythonCore", 3, 6, 64, "C:\\Users\\user\\AppData\\Local\\Programs\\Python\\Python36\\python.exe", None),
("PythonCore", 3, 6, 64, "C:\\Users\\user\\AppData\\Local\\Programs\\Python\\Python36\\python.exe", None),
("PythonCore", 3, 5, 64, "C:\\Users\\user\\AppData\\Local\\Programs\\Python\\Python35\\python.exe", None),
("PythonCore", 3, 6, 64, "C:\\Users\\user\\AppData\\Local\\Programs\\Python\\Python36\\python.exe", None),
("PythonCore", 3, 7, 32, "C:\\Users\\user\\AppData\\Local\\Programs\\Python\\Python37-32\\python.exe", None),
("PythonCore", 3, 9, 64, "C:\\Users\\user\\AppData\\Local\\Programs\\Python\\Python36\\python.exe", None),
("PythonCore", 2, 7, 64, "C:\\Python27\\python.exe", None),
("PythonCore", 3, 4, 64, "C:\\Python34\\python.exe", None),
]
@pytest.mark.skipif(sys.platform != "win32", reason="no Windows registry")
@pytest.mark.usefixtures("_mock_registry")
def test_pep514_run(capsys, caplog):
from virtualenv.discovery.windows import pep514
pep514._run()
out, err = capsys.readouterr()
expected = textwrap.dedent(
r"""
('ContinuumAnalytics', 3, 7, 32, 'C:\\Users\\user\\Miniconda3\\python.exe', None)
('ContinuumAnalytics', 3, 7, 64, 'C:\\Users\\user\\Miniconda3-64\\python.exe', None)
('PythonCore', 2, 7, 64, 'C:\\Python27\\python.exe', None)
('PythonCore', 3, 4, 64, 'C:\\Python34\\python.exe', None)
('PythonCore', 3, 5, 64, 'C:\\Users\\user\\AppData\\Local\\Programs\\Python\\Python35\\python.exe', None)
('PythonCore', 3, 6, 64, 'C:\\Users\\user\\AppData\\Local\\Programs\\Python\\Python36\\python.exe', None)
('PythonCore', 3, 6, 64, 'C:\\Users\\user\\AppData\\Local\\Programs\\Python\\Python36\\python.exe', None)
('PythonCore', 3, 6, 64, 'C:\\Users\\user\\AppData\\Local\\Programs\\Python\\Python36\\python.exe', None)
('PythonCore', 3, 7, 32, 'C:\\Users\\user\\AppData\\Local\\Programs\\Python\\Python37-32\\python.exe', None)
('PythonCore', 3, 9, 64, 'C:\\Users\\user\\AppData\\Local\\Programs\\Python\\Python36\\python.exe', None)
""",
).strip()
assert out.strip() == expected
assert not err
prefix = "PEP-514 violation in Windows Registry at "
expected_logs = [
f"{prefix}HKEY_CURRENT_USER/PythonCore/3.1/SysArchitecture error: invalid format magic",
f"{prefix}HKEY_CURRENT_USER/PythonCore/3.2/SysArchitecture error: arch is not string: 100",
f"{prefix}HKEY_CURRENT_USER/PythonCore/3.3 error: no ExecutablePath or default for it",
f"{prefix}HKEY_CURRENT_USER/PythonCore/3.3 error: could not load exe with value None",
f"{prefix}HKEY_CURRENT_USER/PythonCore/3.8/InstallPath error: missing",
f"{prefix}HKEY_CURRENT_USER/PythonCore/3.9/SysVersion error: invalid format magic",
f"{prefix}HKEY_CURRENT_USER/PythonCore/3.X/SysVersion error: version is not string: 2778",
f"{prefix}HKEY_CURRENT_USER/PythonCore/3.X error: invalid format 3.X",
]
assert caplog.messages == expected_logs
@pytest.fixture()
def _mock_registry(mocker):
from virtualenv.discovery.windows.pep514 import winreg
loc, glob = {}, {}
mock_value_str = (Path(__file__).parent / "winreg-mock-values.py").read_text()
exec(mock_value_str, glob, loc)
enum_collect = loc["enum_collect"]
value_collect = loc["value_collect"]
key_open = loc["key_open"]
hive_open = loc["hive_open"]
def _e(key, at):
key_id = key.value if isinstance(key, Key) else key
result = enum_collect[key_id][at]
if isinstance(result, OSError):
raise result
return result
mocker.patch.object(winreg, "EnumKey", side_effect=_e)
def _v(key, value_name):
key_id = key.value if isinstance(key, Key) else key
result = value_collect[key_id][value_name]
if isinstance(result, OSError):
raise result
return result
mocker.patch.object(winreg, "QueryValueEx", side_effect=_v)
class Key:
def __init__(self, value):
self.value = value
def __enter__(self):
return self
def __exit__(self, exc_type, exc_val, exc_tb): # noqa: U100
return None
@contextmanager
def _o(*args):
if len(args) == 2:
key, value = args
key_id = key.value if isinstance(key, Key) else key
result = Key(key_open[key_id][value]) # this needs to be something that can be with-ed, so let's wrap it
elif len(args) == 4:
result = hive_open[args]
else:
raise RuntimeError
value = result.value if isinstance(result, Key) else result
if isinstance(value, OSError):
raise value
yield result
mocker.patch.object(winreg, "OpenKeyEx", side_effect=_o)
mocker.patch("os.path.exists", return_value=True)
@pytest.fixture()
def _collect_winreg_access(mocker):
# noinspection PyUnresolvedReferences
from winreg import EnumKey, OpenKeyEx, QueryValueEx
from virtualenv.discovery.windows.pep514 import winreg
hive_open = {}
key_open = defaultdict(dict)
@contextmanager
def _c(*args):
res = None
key_id = id(args[0]) if len(args) == 2 else None
try:
with OpenKeyEx(*args) as c:
res = id(c)
yield c
except Exception as exception:
res = exception
raise exception
finally:
if len(args) == 4:
hive_open[args] = res
elif len(args) == 2:
key_open[key_id][args[1]] = res
enum_collect = defaultdict(list)
def _e(key, at):
result = None
key_id = id(key)
try:
result = EnumKey(key, at)
return result
except Exception as exception:
result = exception
raise result
finally:
enum_collect[key_id].append(result)
value_collect = defaultdict(dict)
def _v(key, value_name):
result = None
key_id = id(key)
try:
result = QueryValueEx(key, value_name)
return result
except Exception as exception:
result = exception
raise result
finally:
value_collect[key_id][value_name] = result
mocker.patch.object(winreg, "EnumKey", side_effect=_e)
mocker.patch.object(winreg, "QueryValueEx", side_effect=_v)
mocker.patch.object(winreg, "OpenKeyEx", side_effect=_c)
yield
print("")
print(f"hive_open = {hive_open}")
print(f"key_open = {dict(key_open.items())}")
print(f"value_collect = {dict(value_collect.items())}")
print(f"enum_collect = {dict(enum_collect.items())}")
|
