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
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
|
import pickle
import re
import sys
import time
import pytest
from loguru import logger
from .conftest import default_threading_excepthook
class NotPicklable:
def __getstate__(self):
raise pickle.PicklingError("You shall not serialize me!")
def __setstate__(self, state):
pass
class NotPicklableTypeError:
def __getstate__(self):
raise TypeError("You shall not serialize me!")
def __setstate__(self, state):
pass
class NotUnpicklable:
def __getstate__(self):
return "..."
def __setstate__(self, state):
raise pickle.UnpicklingError("You shall not de-serialize me!")
class NotUnpicklableTypeError:
def __getstate__(self):
return "..."
def __setstate__(self, state):
raise TypeError("You shall not de-serialize me!")
class NotWritable:
def write(self, message):
if "fail" in message.record["extra"]:
raise RuntimeError("You asked me to fail...")
print(message, end="")
def test_enqueue():
x = []
def sink(message):
time.sleep(0.1)
x.append(message)
logger.add(sink, format="{message}", enqueue=True)
logger.debug("Test")
assert len(x) == 0
logger.complete()
assert len(x) == 1
assert x[0] == "Test\n"
def test_enqueue_with_exception():
x = []
def sink(message):
time.sleep(0.1)
x.append(message)
logger.add(sink, format="{message}", enqueue=True)
try:
1 / 0 # noqa: B018
except ZeroDivisionError:
logger.exception("Error")
assert len(x) == 0
logger.complete()
assert len(x) == 1
lines = x[0].splitlines()
assert lines[0] == "Error"
assert lines[-1] == "ZeroDivisionError: division by zero"
def test_caught_exception_queue_put(writer, capsys):
logger.add(writer, enqueue=True, catch=True, format="{message}")
logger.info("It's fine")
logger.bind(broken=NotPicklable()).info("Bye bye...")
logger.info("It's fine again")
logger.remove()
out, err = capsys.readouterr()
lines = err.strip().splitlines()
assert writer.read() == "It's fine\nIt's fine again\n"
assert out == ""
assert lines[0] == "--- Logging error in Loguru Handler #0 ---"
assert re.match(r"Record was: \{.*Bye bye.*\}", lines[1])
assert "PicklingError: You shall not serialize me!" in err
assert lines[-1] == "--- End of logging error ---"
def test_caught_exception_queue_get(writer, capsys):
logger.add(writer, enqueue=True, catch=True, format="{message}")
logger.info("It's fine")
logger.bind(broken=NotUnpicklable()).info("Bye bye...")
logger.info("It's fine again")
logger.remove()
out, err = capsys.readouterr()
lines = err.strip().splitlines()
assert writer.read() == "It's fine\nIt's fine again\n"
assert out == ""
assert lines[0] == "--- Logging error in Loguru Handler #0 ---"
assert lines[1] == "Record was: None"
assert "UnpicklingError: You shall not de-serialize me!" in err
assert lines[-1] == "--- End of logging error ---"
def test_caught_exception_sink_write(capsys):
logger.add(NotWritable(), enqueue=True, catch=True, format="{message}")
logger.info("It's fine")
logger.bind(fail=True).info("Bye bye...")
logger.info("It's fine again")
logger.remove()
out, err = capsys.readouterr()
lines = err.strip().splitlines()
assert out == "It's fine\nIt's fine again\n"
assert lines[0] == "--- Logging error in Loguru Handler #0 ---"
assert re.match(r"Record was: \{.*Bye bye.*\}", lines[1])
assert "RuntimeError: You asked me to fail..." in err
assert lines[-1] == "--- End of logging error ---"
def test_not_caught_exception_queue_put(writer, capsys):
logger.add(writer, enqueue=True, catch=False, format="{message}")
logger.info("It's fine")
with pytest.raises(pickle.PicklingError, match=r"You shall not serialize me!"):
logger.bind(broken=NotPicklable()).info("Bye bye...")
logger.remove()
out, err = capsys.readouterr()
assert writer.read() == "It's fine\n"
assert out == ""
assert err == ""
def test_not_caught_exception_queue_get(writer, capsys):
logger.add(writer, enqueue=True, catch=False, format="{message}")
with default_threading_excepthook():
logger.info("It's fine")
logger.bind(broken=NotUnpicklable()).info("Bye bye...")
logger.info("It's fine again")
logger.remove()
out, err = capsys.readouterr()
lines = err.strip().splitlines()
assert writer.read() == "It's fine\nIt's fine again\n"
assert out == ""
assert lines[0] == "--- Logging error in Loguru Handler #0 ---"
assert lines[1] == "Record was: None"
assert "UnpicklingError: You shall not de-serialize me!" in err
assert lines[-1] == "--- End of logging error ---"
def test_not_caught_exception_sink_write(capsys):
logger.add(NotWritable(), enqueue=True, catch=False, format="{message}")
with default_threading_excepthook():
logger.info("It's fine")
logger.bind(fail=True).info("Bye bye...")
logger.info("It's fine again")
logger.remove()
out, err = capsys.readouterr()
lines = err.strip().splitlines()
assert out == "It's fine\nIt's fine again\n"
assert lines[0] == "--- Logging error in Loguru Handler #0 ---"
assert re.match(r"Record was: \{.*Bye bye.*\}", lines[1])
assert "RuntimeError: You asked me to fail..." in err
assert lines[-1] == "--- End of logging error ---"
def test_not_caught_exception_sink_write_then_complete(capsys):
logger.add(NotWritable(), enqueue=True, catch=False, format="{message}")
with default_threading_excepthook():
logger.bind(fail=True).info("Bye bye...")
logger.complete()
logger.complete() # Called twice to ensure it's re-usable.
logger.remove()
out, err = capsys.readouterr()
lines = err.strip().splitlines()
assert out == ""
assert lines[0] == "--- Logging error in Loguru Handler #0 ---"
assert re.match(r"Record was: \{.*Bye bye.*\}", lines[1])
assert "RuntimeError: You asked me to fail..." in err
assert lines[-1] == "--- End of logging error ---"
def test_not_caught_exception_queue_get_then_complete(writer, capsys):
logger.add(writer, enqueue=True, catch=False, format="{message}")
with default_threading_excepthook():
logger.bind(broken=NotUnpicklable()).info("Bye bye...")
logger.complete()
logger.complete()
logger.remove()
out, err = capsys.readouterr()
lines = err.strip().splitlines()
assert writer.read() == ""
assert out == ""
assert lines[0] == "--- Logging error in Loguru Handler #0 ---"
assert lines[1] == "Record was: None"
assert "UnpicklingError: You shall not de-serialize me!" in err
assert lines[-1] == "--- End of logging error ---"
def test_wait_for_all_messages_enqueued(capsys):
def slow_sink(message):
time.sleep(0.01)
sys.stderr.write(message)
logger.add(slow_sink, enqueue=True, catch=False, format="{message}")
for i in range(10):
logger.info(i)
logger.complete()
out, err = capsys.readouterr()
assert out == ""
assert err == "".join("%d\n" % i for i in range(10))
@pytest.mark.parametrize("exception_value", [NotPicklable(), NotPicklableTypeError()])
def test_logging_not_picklable_exception(exception_value):
exception = None
def sink(message):
nonlocal exception
exception = message.record["exception"]
logger.add(sink, enqueue=True, catch=False)
try:
raise ValueError(exception_value)
except Exception:
logger.exception("Oups")
logger.remove()
type_, value, traceback_ = exception
assert type_ is ValueError
assert value is None
assert traceback_ is None
@pytest.mark.parametrize("exception_value", [NotUnpicklable(), NotUnpicklableTypeError()])
def test_logging_not_unpicklable_exception(exception_value):
exception = None
def sink(message):
nonlocal exception
exception = message.record["exception"]
logger.add(sink, enqueue=True, catch=False)
try:
raise ValueError(exception_value)
except Exception:
logger.exception("Oups")
logger.remove()
type_, value, traceback_ = exception
assert type_ is ValueError
assert value is None
assert traceback_ is None
|
