]> jfr.im git - dlqueue.git/blame_incremental - venv/lib/python3.11/site-packages/pip/_vendor/rich/logging.py
init: venv aand flask
[dlqueue.git] / venv / lib / python3.11 / site-packages / pip / _vendor / rich / logging.py
... / ...
CommitLineData
1import logging
2from datetime import datetime
3from logging import Handler, LogRecord
4from pathlib import Path
5from types import ModuleType
6from typing import ClassVar, Iterable, List, Optional, Type, Union
7
8from pip._vendor.rich._null_file import NullFile
9
10from . import get_console
11from ._log_render import FormatTimeCallable, LogRender
12from .console import Console, ConsoleRenderable
13from .highlighter import Highlighter, ReprHighlighter
14from .text import Text
15from .traceback import Traceback
16
17
18class RichHandler(Handler):
19 """A logging handler that renders output with Rich. The time / level / message and file are displayed in columns.
20 The level is color coded, and the message is syntax highlighted.
21
22 Note:
23 Be careful when enabling console markup in log messages if you have configured logging for libraries not
24 under your control. If a dependency writes messages containing square brackets, it may not produce the intended output.
25
26 Args:
27 level (Union[int, str], optional): Log level. Defaults to logging.NOTSET.
28 console (:class:`~rich.console.Console`, optional): Optional console instance to write logs.
29 Default will use a global console instance writing to stdout.
30 show_time (bool, optional): Show a column for the time. Defaults to True.
31 omit_repeated_times (bool, optional): Omit repetition of the same time. Defaults to True.
32 show_level (bool, optional): Show a column for the level. Defaults to True.
33 show_path (bool, optional): Show the path to the original log call. Defaults to True.
34 enable_link_path (bool, optional): Enable terminal link of path column to file. Defaults to True.
35 highlighter (Highlighter, optional): Highlighter to style log messages, or None to use ReprHighlighter. Defaults to None.
36 markup (bool, optional): Enable console markup in log messages. Defaults to False.
37 rich_tracebacks (bool, optional): Enable rich tracebacks with syntax highlighting and formatting. Defaults to False.
38 tracebacks_width (Optional[int], optional): Number of characters used to render tracebacks, or None for full width. Defaults to None.
39 tracebacks_extra_lines (int, optional): Additional lines of code to render tracebacks, or None for full width. Defaults to None.
40 tracebacks_theme (str, optional): Override pygments theme used in traceback.
41 tracebacks_word_wrap (bool, optional): Enable word wrapping of long tracebacks lines. Defaults to True.
42 tracebacks_show_locals (bool, optional): Enable display of locals in tracebacks. Defaults to False.
43 tracebacks_suppress (Sequence[Union[str, ModuleType]]): Optional sequence of modules or paths to exclude from traceback.
44 locals_max_length (int, optional): Maximum length of containers before abbreviating, or None for no abbreviation.
45 Defaults to 10.
46 locals_max_string (int, optional): Maximum length of string before truncating, or None to disable. Defaults to 80.
47 log_time_format (Union[str, TimeFormatterCallable], optional): If ``log_time`` is enabled, either string for strftime or callable that formats the time. Defaults to "[%x %X] ".
48 keywords (List[str], optional): List of words to highlight instead of ``RichHandler.KEYWORDS``.
49 """
50
51 KEYWORDS: ClassVar[Optional[List[str]]] = [
52 "GET",
53 "POST",
54 "HEAD",
55 "PUT",
56 "DELETE",
57 "OPTIONS",
58 "TRACE",
59 "PATCH",
60 ]
61 HIGHLIGHTER_CLASS: ClassVar[Type[Highlighter]] = ReprHighlighter
62
63 def __init__(
64 self,
65 level: Union[int, str] = logging.NOTSET,
66 console: Optional[Console] = None,
67 *,
68 show_time: bool = True,
69 omit_repeated_times: bool = True,
70 show_level: bool = True,
71 show_path: bool = True,
72 enable_link_path: bool = True,
73 highlighter: Optional[Highlighter] = None,
74 markup: bool = False,
75 rich_tracebacks: bool = False,
76 tracebacks_width: Optional[int] = None,
77 tracebacks_extra_lines: int = 3,
78 tracebacks_theme: Optional[str] = None,
79 tracebacks_word_wrap: bool = True,
80 tracebacks_show_locals: bool = False,
81 tracebacks_suppress: Iterable[Union[str, ModuleType]] = (),
82 locals_max_length: int = 10,
83 locals_max_string: int = 80,
84 log_time_format: Union[str, FormatTimeCallable] = "[%x %X]",
85 keywords: Optional[List[str]] = None,
86 ) -> None:
87 super().__init__(level=level)
88 self.console = console or get_console()
89 self.highlighter = highlighter or self.HIGHLIGHTER_CLASS()
90 self._log_render = LogRender(
91 show_time=show_time,
92 show_level=show_level,
93 show_path=show_path,
94 time_format=log_time_format,
95 omit_repeated_times=omit_repeated_times,
96 level_width=None,
97 )
98 self.enable_link_path = enable_link_path
99 self.markup = markup
100 self.rich_tracebacks = rich_tracebacks
101 self.tracebacks_width = tracebacks_width
102 self.tracebacks_extra_lines = tracebacks_extra_lines
103 self.tracebacks_theme = tracebacks_theme
104 self.tracebacks_word_wrap = tracebacks_word_wrap
105 self.tracebacks_show_locals = tracebacks_show_locals
106 self.tracebacks_suppress = tracebacks_suppress
107 self.locals_max_length = locals_max_length
108 self.locals_max_string = locals_max_string
109 self.keywords = keywords
110
111 def get_level_text(self, record: LogRecord) -> Text:
112 """Get the level name from the record.
113
114 Args:
115 record (LogRecord): LogRecord instance.
116
117 Returns:
118 Text: A tuple of the style and level name.
119 """
120 level_name = record.levelname
121 level_text = Text.styled(
122 level_name.ljust(8), f"logging.level.{level_name.lower()}"
123 )
124 return level_text
125
126 def emit(self, record: LogRecord) -> None:
127 """Invoked by logging."""
128 message = self.format(record)
129 traceback = None
130 if (
131 self.rich_tracebacks
132 and record.exc_info
133 and record.exc_info != (None, None, None)
134 ):
135 exc_type, exc_value, exc_traceback = record.exc_info
136 assert exc_type is not None
137 assert exc_value is not None
138 traceback = Traceback.from_exception(
139 exc_type,
140 exc_value,
141 exc_traceback,
142 width=self.tracebacks_width,
143 extra_lines=self.tracebacks_extra_lines,
144 theme=self.tracebacks_theme,
145 word_wrap=self.tracebacks_word_wrap,
146 show_locals=self.tracebacks_show_locals,
147 locals_max_length=self.locals_max_length,
148 locals_max_string=self.locals_max_string,
149 suppress=self.tracebacks_suppress,
150 )
151 message = record.getMessage()
152 if self.formatter:
153 record.message = record.getMessage()
154 formatter = self.formatter
155 if hasattr(formatter, "usesTime") and formatter.usesTime():
156 record.asctime = formatter.formatTime(record, formatter.datefmt)
157 message = formatter.formatMessage(record)
158
159 message_renderable = self.render_message(record, message)
160 log_renderable = self.render(
161 record=record, traceback=traceback, message_renderable=message_renderable
162 )
163 if isinstance(self.console.file, NullFile):
164 # Handles pythonw, where stdout/stderr are null, and we return NullFile
165 # instance from Console.file. In this case, we still want to make a log record
166 # even though we won't be writing anything to a file.
167 self.handleError(record)
168 else:
169 try:
170 self.console.print(log_renderable)
171 except Exception:
172 self.handleError(record)
173
174 def render_message(self, record: LogRecord, message: str) -> "ConsoleRenderable":
175 """Render message text in to Text.
176
177 Args:
178 record (LogRecord): logging Record.
179 message (str): String containing log message.
180
181 Returns:
182 ConsoleRenderable: Renderable to display log message.
183 """
184 use_markup = getattr(record, "markup", self.markup)
185 message_text = Text.from_markup(message) if use_markup else Text(message)
186
187 highlighter = getattr(record, "highlighter", self.highlighter)
188 if highlighter:
189 message_text = highlighter(message_text)
190
191 if self.keywords is None:
192 self.keywords = self.KEYWORDS
193
194 if self.keywords:
195 message_text.highlight_words(self.keywords, "logging.keyword")
196
197 return message_text
198
199 def render(
200 self,
201 *,
202 record: LogRecord,
203 traceback: Optional[Traceback],
204 message_renderable: "ConsoleRenderable",
205 ) -> "ConsoleRenderable":
206 """Render log for display.
207
208 Args:
209 record (LogRecord): logging Record.
210 traceback (Optional[Traceback]): Traceback instance or None for no Traceback.
211 message_renderable (ConsoleRenderable): Renderable (typically Text) containing log message contents.
212
213 Returns:
214 ConsoleRenderable: Renderable to display log.
215 """
216 path = Path(record.pathname).name
217 level = self.get_level_text(record)
218 time_format = None if self.formatter is None else self.formatter.datefmt
219 log_time = datetime.fromtimestamp(record.created)
220
221 log_renderable = self._log_render(
222 self.console,
223 [message_renderable] if not traceback else [message_renderable, traceback],
224 log_time=log_time,
225 time_format=time_format,
226 level=level,
227 path=path,
228 line_no=record.lineno,
229 link_path=record.pathname if self.enable_link_path else None,
230 )
231 return log_renderable
232
233
234if __name__ == "__main__": # pragma: no cover
235 from time import sleep
236
237 FORMAT = "%(message)s"
238 # FORMAT = "%(asctime)-15s - %(levelname)s - %(message)s"
239 logging.basicConfig(
240 level="NOTSET",
241 format=FORMAT,
242 datefmt="[%X]",
243 handlers=[RichHandler(rich_tracebacks=True, tracebacks_show_locals=True)],
244 )
245 log = logging.getLogger("rich")
246
247 log.info("Server starting...")
248 log.info("Listening on http://127.0.0.1:8080")
249 sleep(1)
250
251 log.info("GET /index.html 200 1298")
252 log.info("GET /imgs/backgrounds/back1.jpg 200 54386")
253 log.info("GET /css/styles.css 200 54386")
254 log.warning("GET /favicon.ico 404 242")
255 sleep(1)
256
257 log.debug(
258 "JSONRPC request\n--> %r\n<-- %r",
259 {
260 "version": "1.1",
261 "method": "confirmFruitPurchase",
262 "params": [["apple", "orange", "mangoes", "pomelo"], 1.123],
263 "id": "194521489",
264 },
265 {"version": "1.1", "result": True, "error": None, "id": "194521489"},
266 )
267 log.debug(
268 "Loading configuration file /adasd/asdasd/qeqwe/qwrqwrqwr/sdgsdgsdg/werwerwer/dfgerert/ertertert/ertetert/werwerwer"
269 )
270 log.error("Unable to find 'pomelo' in database!")
271 log.info("POST /jsonrpc/ 200 65532")
272 log.info("POST /admin/ 401 42234")
273 log.warning("password was rejected for admin site.")
274
275 def divide() -> None:
276 number = 1
277 divisor = 0
278 foos = ["foo"] * 100
279 log.debug("in divide")
280 try:
281 number / divisor
282 except:
283 log.exception("An error of some kind occurred!")
284
285 divide()
286 sleep(1)
287 log.critical("Out of memory!")
288 log.info("Server exited with code=-1")
289 log.info("[bold]EXITING...[/bold]", extra=dict(markup=True))