1# Copyright 2017 The Abseil Authors.
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#      http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15import logging
16from typing import Any, Callable, Dict, NoReturn, Optional, Tuple, TypeVar, Union
17
18from absl import flags
19
20# Logging levels.
21FATAL: int
22ERROR: int
23WARNING: int
24WARN: int  # Deprecated name.
25INFO: int
26DEBUG: int
27
28ABSL_LOGGING_PREFIX_REGEX: str
29
30LOGTOSTDERR: flags.FlagHolder[bool]
31ALSOLOGTOSTDERR: flags.FlagHolder[bool]
32LOG_DIR: flags.FlagHolder[str]
33VERBOSITY: flags.FlagHolder[int]
34LOGGER_LEVELS: flags.FlagHolder[Dict[str, str]]
35STDERRTHRESHOLD: flags.FlagHolder[str]
36SHOWPREFIXFORINFO: flags.FlagHolder[bool]
37
38
39def get_verbosity() -> int:
40  ...
41
42
43def set_verbosity(v: Union[int, str]) -> None:
44  ...
45
46
47def set_stderrthreshold(s: Union[int, str]) -> None:
48  ...
49
50
51# TODO(b/277607978): Provide actual args+kwargs shadowing stdlib's logging functions.
52def fatal(msg: Any, *args: Any, **kwargs: Any) -> NoReturn:
53  ...
54
55
56def error(msg: Any, *args: Any, **kwargs: Any) -> None:
57  ...
58
59
60def warning(msg: Any, *args: Any, **kwargs: Any) -> None:
61  ...
62
63
64def warn(msg: Any, *args: Any, **kwargs: Any) -> None:
65  ...
66
67
68def info(msg: Any, *args: Any, **kwargs: Any) -> None:
69  ...
70
71
72def debug(msg: Any, *args: Any, **kwargs: Any) -> None:
73  ...
74
75
76def exception(msg: Any, *args: Any, **kwargs: Any) -> None:
77  ...
78
79
80def log_every_n(level: int, msg: Any, n: int, *args: Any) -> None:
81  ...
82
83
84def log_every_n_seconds(
85    level: int, msg: Any, n_seconds: float, *args: Any
86) -> None:
87  ...
88
89
90def log_first_n(level: int, msg: Any, n: int, *args: Any) -> None:
91  ...
92
93
94def log_if(level: int, msg: Any, condition: Any, *args: Any) -> None:
95  ...
96
97
98def log(level: int, msg: Any, *args: Any, **kwargs: Any) -> None:
99  ...
100
101
102def vlog(level: int, msg: Any, *args: Any, **kwargs: Any) -> None:
103  ...
104
105
106def vlog_is_on(level: int) -> bool:
107  ...
108
109
110def flush() -> None:
111  ...
112
113
114def level_debug() -> bool:
115  ...
116
117
118def level_info() -> bool:
119  ...
120
121
122def level_warning() -> bool:
123  ...
124
125
126level_warn = level_warning  # Deprecated function.
127
128
129def level_error() -> bool:
130  ...
131
132
133def get_log_file_name(level: int = ...) -> str:
134  ...
135
136
137def find_log_dir_and_names(
138    program_name: Optional[str] = ..., log_dir: Optional[str] = ...
139) -> Tuple[str, str, str]:
140  ...
141
142
143def find_log_dir(log_dir: Optional[str] = ...) -> str:
144  ...
145
146
147def get_absl_log_prefix(record: logging.LogRecord) -> str:
148  ...
149
150
151_SkipLogT = TypeVar('_SkipLogT', str, Callable[..., Any])
152
153def skip_log_prefix(func: _SkipLogT) -> _SkipLogT:
154  ...
155
156
157_StreamT = TypeVar("_StreamT")
158
159
160class PythonHandler(logging.StreamHandler[_StreamT]):
161
162  def __init__(
163      self,
164      stream: Optional[_StreamT] = ...,
165      formatter: Optional[logging.Formatter] = ...,
166  ) -> None:
167    ...
168
169  def start_logging_to_file(
170      self, program_name: Optional[str] = ..., log_dir: Optional[str] = ...
171  ) -> None:
172    ...
173
174  def use_absl_log_file(
175      self, program_name: Optional[str] = ..., log_dir: Optional[str] = ...
176  ) -> None:
177    ...
178
179  def flush(self) -> None:
180    ...
181
182  def emit(self, record: logging.LogRecord) -> None:
183    ...
184
185  def close(self) -> None:
186    ...
187
188
189class ABSLHandler(logging.Handler):
190
191  def __init__(self, python_logging_formatter: PythonFormatter) -> None:
192    ...
193
194  def format(self, record: logging.LogRecord) -> str:
195    ...
196
197  def setFormatter(self, fmt) -> None:
198    ...
199
200  def emit(self, record: logging.LogRecord) -> None:
201    ...
202
203  def flush(self) -> None:
204    ...
205
206  def close(self) -> None:
207    ...
208
209  def handle(self, record: logging.LogRecord) -> bool:
210    ...
211
212  @property
213  def python_handler(self) -> PythonHandler:
214    ...
215
216  def activate_python_handler(self) -> None:
217    ...
218
219  def use_absl_log_file(
220      self, program_name: Optional[str] = ..., log_dir: Optional[str] = ...
221  ) -> None:
222    ...
223
224  def start_logging_to_file(self, program_name=None, log_dir=None) -> None:
225    ...
226
227
228class PythonFormatter(logging.Formatter):
229
230  def format(self, record: logging.LogRecord) -> str:
231    ...
232
233
234class ABSLLogger(logging.Logger):
235
236  def findCaller(
237      self, stack_info: bool = ..., stacklevel: int = ...
238  ) -> Tuple[str, int, str, Optional[str]]:
239    ...
240
241  def critical(self, msg: Any, *args: Any, **kwargs: Any) -> None:
242    ...
243
244  def fatal(self, msg: Any, *args: Any, **kwargs: Any) -> NoReturn:
245    ...
246
247  def error(self, msg: Any, *args: Any, **kwargs: Any) -> None:
248    ...
249
250  def warn(self, msg: Any, *args: Any, **kwargs: Any) -> None:
251    ...
252
253  def warning(self, msg: Any, *args: Any, **kwargs: Any) -> None:
254    ...
255
256  def info(self, msg: Any, *args: Any, **kwargs: Any) -> None:
257    ...
258
259  def debug(self, msg: Any, *args: Any, **kwargs: Any) -> None:
260    ...
261
262  def log(self, level: int, msg: Any, *args: Any, **kwargs: Any) -> None:
263    ...
264
265  def handle(self, record: logging.LogRecord) -> None:
266    ...
267
268  @classmethod
269  def register_frame_to_skip(
270      cls, file_name: str, function_name: str, line_number: Optional[int] = ...
271  ) -> None:
272    ...
273
274
275# NOTE: Returns None before _initialize called but shouldn't occur after import.
276def get_absl_logger() -> ABSLLogger:
277  ...
278
279
280# NOTE: Returns None before _initialize called but shouldn't occur after import.
281def get_absl_handler() -> ABSLHandler:
282  ...
283
284
285def use_python_logging(quiet: bool = ...) -> None:
286  ...
287
288
289def use_absl_handler() -> None:
290  ...
291