5766584628674560

Committed 20 Aug 2025 05:57PM UTC coverage: 61.507% (-0.03%) from 61.535%

Build # 5766584628674560

Build Type

Pull #10159

CirrusCI

Committed by

SomberNight

Commit Message

logging: add config.LOGS_MAX_TOTAL_SIZE_BYTES: to limit size on disk

Pull Request Pull Request #10159: logging: add config.LOGS_MAX_TOTAL_SIZE_BYTES: to limit size on disk

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43.78

/electrum/logging.py

# Copyright (C) 2019 The Electrum developers
# Distributed under the MIT software license, see the accompanying
# file LICENCE or http://www.opensource.org/licenses/mit-license.php

import logging
import logging.handlers
import datetime
import sys
import pathlib
import os
import platform
from typing import Optional, TYPE_CHECKING, Set
import copy
import subprocess
import hashlib

if TYPE_CHECKING:
    from .simple_config import SimpleConfig


class LogFormatterForFiles(logging.Formatter):

    def formatTime(self, record, datefmt=None):
        # timestamps follow ISO 8601 UTC
        date = datetime.datetime.fromtimestamp(record.created).astimezone(datetime.timezone.utc)
        if not datefmt:
            datefmt = "%Y%m%dT%H%M%S.%fZ"
        return date.strftime(datefmt)

    def format(self, record):
        record = _shorten_name_of_logrecord(record)
        return super().format(record)


file_formatter = LogFormatterForFiles(fmt="%(asctime)22s | %(levelname)8s | %(name)s | %(message)s")


class LogFormatterForConsole(logging.Formatter):

    def formatTime(self, record, datefmt=None):
        t = record.relativeCreated / 1000
        return f"{t:6.2f}"

    def format(self, record):
        record = copy.copy(record)  # avoid mutating arg
        record = _shorten_name_of_logrecord(record)
        text = super().format(record)
        return text


# try to make console log lines short... no timestamp, short levelname, no "electrum."
console_formatter = LogFormatterForConsole(fmt="%(asctime)s | %(levelname).1s | %(name)s | %(message)s")


def _shorten_name_of_logrecord(record: logging.LogRecord) -> logging.LogRecord:
    record = copy.copy(record)  # avoid mutating arg
    # strip the main module name from the logger name
    if record.name.startswith("electrum."):
        record.name = record.name[9:]
    # manual map to shorten common module names
    record.name = record.name.replace("interface.Interface", "interface", 1)
    record.name = record.name.replace("network.Network", "network", 1)
    record.name = record.name.replace("synchronizer.Synchronizer", "synchronizer", 1)
    record.name = record.name.replace("verifier.SPV", "verifier", 1)
    record.name = record.name.replace("gui.qt.main_window.ElectrumWindow", "gui.qt.main_window", 1)
    return record


class TruncatingMemoryHandler(logging.handlers.MemoryHandler):
    """An in-memory log handler that only keeps the first N log messages
    and discards the rest.
    """
    target: Optional['logging.Handler']

    def __init__(self):
        logging.handlers.MemoryHandler.__init__(
            self,
            capacity=1,  # note: this is the flushing frequency, ~unused by us
            flushLevel=logging.DEBUG,
        )
        self.max_size = 100  # max num of messages we keep
        self.num_messages_seen = 0
        self.__never_dumped = True

    # note: this flush implementation *keeps* the buffer as-is, instead of clearing it
    def flush(self):
        self.acquire()
        try:
            if self.target:
                for record in self.buffer:
                    if record.levelno >= self.target.level:
                        self.target.handle(record)
        finally:
            self.release()

    def dump_to_target(self, target: 'logging.Handler'):
        self.acquire()
        try:
            self.setTarget(target)
            self.flush()
            self.setTarget(None)
        finally:
            self.__never_dumped = False
            self.release()

    def emit(self, record):
        self.num_messages_seen += 1
        if len(self.buffer) < self.max_size:
            super().emit(record)

    def close(self) -> None:
        # Check if captured log lines were never to dumped to e.g. stderr,
        # and if so, try to do it now. This is useful e.g. in case of sys.exit().
        if self.__never_dumped:
            _configure_stderr_logging()
        super().close()


def _delete_old_logs(path, *, num_files_keep: int, max_total_size: int):
    """Delete old logfiles, only keeping the latest few."""
    def sortkey_oldest_first(p: pathlib.PurePath):
        fname = p.name
        basename, ext, counter = str(fname).partition(".log")
        # - each time electrum is launched, there will be a new basename, ordered by date
        # - for any given basename, there might be multiple log files, differing by counter
        #   - empty counter is newest, then .1 is older, .2 is even older, etc
        try:
            counter = int(counter[1:]) if counter else 0  # convert ".2" -> 2
        except ValueError:
            _logger.warning(f"failed to parse log file name: {fname}")
            counter = 0
        return basename, -counter
    files = sorted(
        list(pathlib.Path(path).glob("electrum_log_*.log*")),
        key=sortkey_oldest_first,
    )
    total_size = sum(os.stat(f).st_size for f in files)  # in bytes
    num_files_remaining = len(files)
    for f in files:
        fsize = os.stat(f).st_size
        if total_size < max_total_size and num_files_remaining <= num_files_keep:
            break
        total_size -= fsize
        num_files_remaining -= 1
        try:
            os.remove(f)
        except OSError as e:
            _logger.warning(f"cannot delete old logfile: {e}")


_logfile_path = None
def _configure_file_logging(
    log_directory: pathlib.Path,
    *,
    num_files_keep: int,
    max_total_size: int,
):
    from .util import os_chmod

    global _logfile_path
    assert _logfile_path is None, 'file logging already initialized'
    log_directory.mkdir(exist_ok=True, mode=0o700)

    _delete_old_logs(log_directory, num_files_keep=num_files_keep, max_total_size=max_total_size)

    timestamp = datetime.datetime.now(datetime.timezone.utc).strftime("%Y%m%dT%H%M%SZ")
    PID = os.getpid()
    _logfile_path = log_directory / f"electrum_log_{timestamp}_{PID}.log"
    # we create the file with restrictive perms, instead of letting FileHandler create it
    with open(_logfile_path, "w+") as f:
        os_chmod(_logfile_path, 0o600)

    logfile_backupcount = 4
    file_handler = logging.handlers.RotatingFileHandler(
        _logfile_path,
        maxBytes=max_total_size // (logfile_backupcount+1),
        backupCount=logfile_backupcount,
        encoding='utf-8')
    file_handler.setFormatter(file_formatter)
    file_handler.setLevel(logging.DEBUG)
    root_logger.addHandler(file_handler)
    if _inmemory_startup_logs:
        _inmemory_startup_logs.dump_to_target(file_handler)


console_stderr_handler = None
def _configure_stderr_logging(*, verbosity=None):
    # log to stderr; by default only WARNING and higher
    global console_stderr_handler
    if console_stderr_handler is not None:
        _logger.warning("stderr handler already exists")
        return
    console_stderr_handler = logging.StreamHandler(sys.stderr)
    console_stderr_handler.setFormatter(console_formatter)
    if not verbosity:
        console_stderr_handler.setLevel(logging.WARNING)
        root_logger.addHandler(console_stderr_handler)
    else:
        console_stderr_handler.setLevel(logging.DEBUG)
        root_logger.addHandler(console_stderr_handler)
        _process_verbosity_log_levels(verbosity)
    if _inmemory_startup_logs:
        _inmemory_startup_logs.dump_to_target(console_stderr_handler)


def _process_verbosity_log_levels(verbosity):
    if verbosity == '*' or not isinstance(verbosity, str):
        return
    # example verbosity:
    #   debug,network=error,interface=error      // effectively blacklists network and interface
    #   warning,network=debug,interface=debug    // effectively whitelists network and interface
    filters = verbosity.split(',')
    for filt in filters:
        if not filt: continue
        items = filt.split('=')
        if len(items) == 1:
            level = items[0]
            electrum_logger.setLevel(level.upper())
        elif len(items) == 2:
            logger_name, level = items
            logger = get_logger(logger_name)
            logger.setLevel(level.upper())
        else:
            raise Exception(f"invalid log filter: {filt}")


class _CustomLogger(logging.getLoggerClass()):
    def __init__(self, name, *args, **kwargs):
        super().__init__(name, *args, **kwargs)
        self.msg_hashes_seen = set()  # type: Set[bytes]
        # ^ note: size grows without bounds, but only for log lines using "only_once".

    def _log(self, level, msg: str, *args, only_once: bool = False, **kwargs) -> None:
        """Overridden to add 'only_once' arg to logger.debug()/logger.info()/logger.warning()/etc."""
        if only_once:  # if set, this logger will only log this msg a single time during its lifecycle
            msg_hash = hashlib.sha256(msg.encode("utf-8")).digest()
            if msg_hash in self.msg_hashes_seen:
                return
            self.msg_hashes_seen.add(msg_hash)
        super()._log(level, msg, *args, **kwargs)

logging.setLoggerClass(_CustomLogger)


# enable logs universally (including for other libraries)
root_logger = logging.getLogger()
root_logger.setLevel(logging.WARNING)

# Start collecting log messages now, into an in-memory buffer. This buffer is only
# used until the proper log handlers are fully configured, including their verbosity,
# at which point we will dump its contents into those, and remove this log handler.
# Note: this is set up at import-time instead of e.g. as part of a function that is
#       called from run_electrum (the main script). This is to have this run as early
#       as possible.
# Note: some users might use Electrum as a python library and not use run_electrum,
#       in which case these logs might never get redirected or cleaned up.
#       Also, the python docs recommend libraries not to set a handler, to
#       avoid interfering with the user's logging.
_inmemory_startup_logs = None
if getattr(sys, "_ELECTRUM_RUNNING_VIA_RUNELECTRUM", False):
    _inmemory_startup_logs = TruncatingMemoryHandler()
    root_logger.addHandler(_inmemory_startup_logs)

# creates a logger specifically for electrum library
electrum_logger = logging.getLogger("electrum")
electrum_logger.setLevel(logging.DEBUG)


# --- External API

def get_logger(name: str) -> _CustomLogger:
    prefix = "electrum."
    if name.startswith(prefix):
        name = name[len(prefix):]
    return electrum_logger.getChild(name)


_logger = get_logger(__name__)
_logger.setLevel(logging.INFO)


class Logger:

    def __init__(self):
        self.logger = self.__get_logger_for_obj()

    def __get_logger_for_obj(self) -> logging.Logger:
        cls = self.__class__
        if cls.__module__:
            name = f"{cls.__module__}.{cls.__name__}"
        else:
            name = cls.__name__
        try:
            diag_name = self.diagnostic_name()
        except Exception as e:
            raise Exception("diagnostic name not yet available?") from e
        if diag_name:
            name += f".[{diag_name}]"
        logger = get_logger(name)
        return logger

    def diagnostic_name(self):
        return ''


def configure_logging(config: 'SimpleConfig', *, log_to_file: Optional[bool] = None) -> None:
    from .util import is_android_debug_apk

    verbosity = config.get('verbosity')
    if not verbosity and config.GUI_ENABLE_DEBUG_LOGS:
        verbosity = '*'
    _configure_stderr_logging(verbosity=verbosity)

    if log_to_file is None:
        log_to_file = config.WRITE_LOGS_TO_DISK
        log_to_file |= is_android_debug_apk()
    if log_to_file:
        log_directory = pathlib.Path(config.path) / "logs"
        num_files_keep = config.LOGS_NUM_FILES_KEEP
        max_total_size = config.LOGS_MAX_TOTAL_SIZE_BYTES
        _configure_file_logging(log_directory, num_files_keep=num_files_keep, max_total_size=max_total_size)

    # clean up and delete in-memory logs
    global _inmemory_startup_logs
    if _inmemory_startup_logs:
        num_discarded = _inmemory_startup_logs.num_messages_seen - _inmemory_startup_logs.max_size
        if num_discarded > 0:
            _logger.warning(f"Too many log messages! Some have been discarded. "
                            f"(discarded {num_discarded} messages)")
        _inmemory_startup_logs.close()
        root_logger.removeHandler(_inmemory_startup_logs)
        _inmemory_startup_logs = None

    from . import ELECTRUM_VERSION
    from .constants import GIT_REPO_URL
    _logger.info(f"Electrum version: {ELECTRUM_VERSION} - https://electrum.org - {GIT_REPO_URL}")
    _logger.info(f"Python version: {sys.version}. On platform: {describe_os_version()}")
    _logger.info(f"Logging to file: {str(_logfile_path)}")
    _logger.info(f"Log filters: verbosity {repr(verbosity)}")


def get_logfile_path() -> Optional[pathlib.Path]:
    return _logfile_path


def describe_os_version() -> str:
    if 'ANDROID_DATA' in os.environ:
        import jnius
        bv = jnius.autoclass('android.os.Build$VERSION')
        b = jnius.autoclass('android.os.Build')
        return "Android {} on {} {} ({})".format(bv.RELEASE, b.BRAND, b.DEVICE, b.DISPLAY)
    else:
        return platform.platform()


def get_git_version() -> Optional[str]:
    dir = os.path.dirname(os.path.realpath(__file__))
    try:
        version = subprocess.check_output(
            ['git', 'describe', '--always', '--dirty'], cwd=dir)
        version = str(version, "utf8").strip()
    except Exception:
        version = None
    return version

1	# Copyright (C) 2019 The Electrum developers
2	# Distributed under the MIT software license, see the accompanying
3	# file LICENCE or http://www.opensource.org/licenses/mit-license.php
4
5	import logging	5✔
6	import logging.handlers	5✔
7	import datetime	5✔
8	import sys	5✔
9	import pathlib	5✔
10	import os	5✔
11	import platform	5✔
12	from typing import Optional, TYPE_CHECKING, Set	5✔
13	import copy	5✔
14	import subprocess	5✔
15	import hashlib	5✔
16
17	if TYPE_CHECKING:	2✔
UNCOV 18	from .simple_config import SimpleConfig
19
20
21	class LogFormatterForFiles(logging.Formatter):	5✔
22
23	def formatTime(self, record, datefmt=None):	5✔
24	# timestamps follow ISO 8601 UTC
25	date = datetime.datetime.fromtimestamp(record.created).astimezone(datetime.timezone.utc)	×
26	if not datefmt:	×
27	datefmt = "%Y%m%dT%H%M%S.%fZ"	×
28	return date.strftime(datefmt)	×
29
30	def format(self, record):	5✔
31	record = _shorten_name_of_logrecord(record)	×
32	return super().format(record)	×
33
34
35	file_formatter = LogFormatterForFiles(fmt="%(asctime)22s \| %(levelname)8s \| %(name)s \| %(message)s")	5✔
36
37
38	class LogFormatterForConsole(logging.Formatter):	5✔
39
40	def formatTime(self, record, datefmt=None):	5✔
41	t = record.relativeCreated / 1000	5✔
42	return f"{t:6.2f}"	5✔
43
44	def format(self, record):	5✔
45	record = copy.copy(record) # avoid mutating arg	5✔
46	record = _shorten_name_of_logrecord(record)	5✔
47	text = super().format(record)	5✔
48	return text	5✔
49
50
51	# try to make console log lines short... no timestamp, short levelname, no "electrum."
52	console_formatter = LogFormatterForConsole(fmt="%(asctime)s \| %(levelname).1s \| %(name)s \| %(message)s")	5✔
53
54
55	def _shorten_name_of_logrecord(record: logging.LogRecord) -> logging.LogRecord:	5✔
56	record = copy.copy(record) # avoid mutating arg	5✔
57	# strip the main module name from the logger name
58	if record.name.startswith("electrum."):	5✔
59	record.name = record.name[9:]	5✔
60	# manual map to shorten common module names
61	record.name = record.name.replace("interface.Interface", "interface", 1)	5✔
62	record.name = record.name.replace("network.Network", "network", 1)	5✔
63	record.name = record.name.replace("synchronizer.Synchronizer", "synchronizer", 1)	5✔
64	record.name = record.name.replace("verifier.SPV", "verifier", 1)	5✔
65	record.name = record.name.replace("gui.qt.main_window.ElectrumWindow", "gui.qt.main_window", 1)	5✔
66	return record	5✔
67
68
69	class TruncatingMemoryHandler(logging.handlers.MemoryHandler):	5✔
70	"""An in-memory log handler that only keeps the first N log messages
71	and discards the rest.
72	"""
73	target: Optional['logging.Handler']	5✔
74
75	def __init__(self):	5✔
76	logging.handlers.MemoryHandler.__init__(	×
77	self,
78	capacity=1, # note: this is the flushing frequency, ~unused by us
79	flushLevel=logging.DEBUG,
80	)
81	self.max_size = 100 # max num of messages we keep	×
82	self.num_messages_seen = 0	×
83	self.__never_dumped = True	×
84
85	# note: this flush implementation keeps the buffer as-is, instead of clearing it
86	def flush(self):	5✔
87	self.acquire()	×
88	try:	×
89	if self.target:	×
90	for record in self.buffer:	×
91	if record.levelno >= self.target.level:	×
92	self.target.handle(record)	×
93	finally:
94	self.release()	×
95
96	def dump_to_target(self, target: 'logging.Handler'):	5✔
97	self.acquire()	×
98	try:	×
99	self.setTarget(target)	×
100	self.flush()	×
101	self.setTarget(None)	×
102	finally:
103	self.__never_dumped = False	×
104	self.release()	×
105
106	def emit(self, record):	5✔
107	self.num_messages_seen += 1	×
108	if len(self.buffer) < self.max_size:	×
109	super().emit(record)	×
110
111	def close(self) -> None:	5✔
112	# Check if captured log lines were never to dumped to e.g. stderr,
113	# and if so, try to do it now. This is useful e.g. in case of sys.exit().
114	if self.__never_dumped:	×
115	_configure_stderr_logging()	×
116	super().close()	×
117
118
119	def _delete_old_logs(path, *, num_files_keep: int, max_total_size: int):	5✔
120	"""Delete old logfiles, only keeping the latest few."""
NEW 121	def sortkey_oldest_first(p: pathlib.PurePath):	×
NEW 122	fname = p.name	×
NEW 123	basename, ext, counter = str(fname).partition(".log")	×
124	# - each time electrum is launched, there will be a new basename, ordered by date
125	# - for any given basename, there might be multiple log files, differing by counter
126	# - empty counter is newest, then .1 is older, .2 is even older, etc
127	try:	×
NEW 128	counter = int(counter[1:]) if counter else 0 # convert ".2" -> 2	×
NEW 129	except ValueError:	×
NEW 130	_logger.warning(f"failed to parse log file name: {fname}")	×
NEW 131	counter = 0	×
NEW 132	return basename, -counter	×
NEW 133	files = sorted(	×
134	list(pathlib.Path(path).glob("electrum_log_.log")),
135	key=sortkey_oldest_first,
136	)
NEW 137	total_size = sum(os.stat(f).st_size for f in files) # in bytes	×
NEW 138	num_files_remaining = len(files)	×
NEW 139	for f in files:	×
NEW 140	fsize = os.stat(f).st_size	×
NEW 141	if total_size < max_total_size and num_files_remaining <= num_files_keep:	×
NEW 142	break	×
NEW 143	total_size -= fsize	×
NEW 144	num_files_remaining -= 1	×
NEW 145	try:	×
NEW 146	os.remove(f)	×
147	except OSError as e:	×
148	_logger.warning(f"cannot delete old logfile: {e}")	×
149
150
151	_logfile_path = None	5✔
152	def _configure_file_logging(	5✔
153	log_directory: pathlib.Path,
154	*,
155	num_files_keep: int,
156	max_total_size: int,
157	):
UNCOV 158	from .util import os_chmod	×
159
160	global _logfile_path
161	assert _logfile_path is None, 'file logging already initialized'	×
162	log_directory.mkdir(exist_ok=True, mode=0o700)	×
163
NEW 164	_delete_old_logs(log_directory, num_files_keep=num_files_keep, max_total_size=max_total_size)	×
165
166	timestamp = datetime.datetime.now(datetime.timezone.utc).strftime("%Y%m%dT%H%M%SZ")	×
167	PID = os.getpid()	×
168	_logfile_path = log_directory / f"electrum_log_{timestamp}_{PID}.log"	×
169	# we create the file with restrictive perms, instead of letting FileHandler create it
170	with open(_logfile_path, "w+") as f:	×
171	os_chmod(_logfile_path, 0o600)	×
172
NEW 173	logfile_backupcount = 4	×
NEW 174	file_handler = logging.handlers.RotatingFileHandler(	×
175	_logfile_path,
176	maxBytes=max_total_size // (logfile_backupcount+1),
177	backupCount=logfile_backupcount,
178	encoding='utf-8')
179	file_handler.setFormatter(file_formatter)	×
180	file_handler.setLevel(logging.DEBUG)	×
181	root_logger.addHandler(file_handler)	×
182	if _inmemory_startup_logs:	×
183	_inmemory_startup_logs.dump_to_target(file_handler)	×
184
185
186	console_stderr_handler = None	5✔
187	def _configure_stderr_logging(*, verbosity=None):	5✔
188	# log to stderr; by default only WARNING and higher
189	global console_stderr_handler
190	if console_stderr_handler is not None:	5✔
191	_logger.warning("stderr handler already exists")	×
192	return	×
193	console_stderr_handler = logging.StreamHandler(sys.stderr)	5✔
194	console_stderr_handler.setFormatter(console_formatter)	5✔
195	if not verbosity:	5✔
196	console_stderr_handler.setLevel(logging.WARNING)	×
197	root_logger.addHandler(console_stderr_handler)	×
198	else:
199	console_stderr_handler.setLevel(logging.DEBUG)	5✔
200	root_logger.addHandler(console_stderr_handler)	5✔
201	_process_verbosity_log_levels(verbosity)	5✔
202	if _inmemory_startup_logs:	5✔
203	_inmemory_startup_logs.dump_to_target(console_stderr_handler)	×
204
205
206	def _process_verbosity_log_levels(verbosity):	5✔
207	if verbosity == '*' or not isinstance(verbosity, str):	5✔
208	return	5✔
209	# example verbosity:
210	# debug,network=error,interface=error // effectively blacklists network and interface
211	# warning,network=debug,interface=debug // effectively whitelists network and interface
212	filters = verbosity.split(',')	×
213	for filt in filters:	×
214	if not filt: continue	×
215	items = filt.split('=')	×
216	if len(items) == 1:	×
217	level = items[0]	×
218	electrum_logger.setLevel(level.upper())	×
219	elif len(items) == 2:	×
220	logger_name, level = items	×
221	logger = get_logger(logger_name)	×
222	logger.setLevel(level.upper())	×
223	else:
224	raise Exception(f"invalid log filter: {filt}")	×
225
226
227	class _CustomLogger(logging.getLoggerClass()):	5✔
228	def __init__(self, name, args, *kwargs):	5✔
229	super().__init__(name, args, *kwargs)	5✔
230	self.msg_hashes_seen = set() # type: Set[bytes]	5✔
231	# ^ note: size grows without bounds, but only for log lines using "only_once".
232
233	def _log(self, level, msg: str, args, only_once: bool = False, *kwargs) -> None:	5✔
234	"""Overridden to add 'only_once' arg to logger.debug()/logger.info()/logger.warning()/etc."""
235	if only_once: # if set, this logger will only log this msg a single time during its lifecycle	5✔
236	msg_hash = hashlib.sha256(msg.encode("utf-8")).digest()	5✔
237	if msg_hash in self.msg_hashes_seen:	5✔
238	return	×
239	self.msg_hashes_seen.add(msg_hash)	5✔
240	super()._log(level, msg, args, *kwargs)	5✔
241
242	logging.setLoggerClass(_CustomLogger)	5✔
243
244
245	# enable logs universally (including for other libraries)
246	root_logger = logging.getLogger()	5✔
247	root_logger.setLevel(logging.WARNING)	5✔
248
249	# Start collecting log messages now, into an in-memory buffer. This buffer is only
250	# used until the proper log handlers are fully configured, including their verbosity,
251	# at which point we will dump its contents into those, and remove this log handler.
252	# Note: this is set up at import-time instead of e.g. as part of a function that is
253	# called from run_electrum (the main script). This is to have this run as early
254	# as possible.
255	# Note: some users might use Electrum as a python library and not use run_electrum,
256	# in which case these logs might never get redirected or cleaned up.
257	# Also, the python docs recommend libraries not to set a handler, to
258	# avoid interfering with the user's logging.
259	_inmemory_startup_logs = None	5✔
260	if getattr(sys, "_ELECTRUM_RUNNING_VIA_RUNELECTRUM", False):	5✔
261	_inmemory_startup_logs = TruncatingMemoryHandler()	×
262	root_logger.addHandler(_inmemory_startup_logs)	×
263
264	# creates a logger specifically for electrum library
265	electrum_logger = logging.getLogger("electrum")	5✔
266	electrum_logger.setLevel(logging.DEBUG)	5✔
267
268
269	# --- External API
270
271	def get_logger(name: str) -> _CustomLogger:	5✔
272	prefix = "electrum."	5✔
273	if name.startswith(prefix):	5✔
274	name = name[len(prefix):]	5✔
275	return electrum_logger.getChild(name)	5✔
276
277
278	_logger = get_logger(__name__)	5✔
279	_logger.setLevel(logging.INFO)	5✔
280
281
282	class Logger:	5✔
283
284	def __init__(self):	5✔
285	self.logger = self.__get_logger_for_obj()	5✔
286
287	def __get_logger_for_obj(self) -> logging.Logger:	5✔
288	cls = self.__class__	5✔
289	if cls.__module__:	5✔
290	name = f"{cls.__module__}.{cls.__name__}"	5✔
291	else:
292	name = cls.__name__	×
293	try:	5✔
294	diag_name = self.diagnostic_name()	5✔
295	except Exception as e:	×
296	raise Exception("diagnostic name not yet available?") from e	×
297	if diag_name:	5✔
298	name += f".[{diag_name}]"	5✔
299	logger = get_logger(name)	5✔
300	return logger	5✔
301
302	def diagnostic_name(self):	5✔
303	return ''	5✔
304
305
306	def configure_logging(config: 'SimpleConfig', *, log_to_file: Optional[bool] = None) -> None:	5✔
307	from .util import is_android_debug_apk	×
308
309	verbosity = config.get('verbosity')	×
310	if not verbosity and config.GUI_ENABLE_DEBUG_LOGS:	×
311	verbosity = '*'	×
312	_configure_stderr_logging(verbosity=verbosity)	×
313
314	if log_to_file is None:	×
315	log_to_file = config.WRITE_LOGS_TO_DISK	×
316	log_to_file \|= is_android_debug_apk()	×
317	if log_to_file:	×
318	log_directory = pathlib.Path(config.path) / "logs"	×
319	num_files_keep = config.LOGS_NUM_FILES_KEEP	×
NEW 320	max_total_size = config.LOGS_MAX_TOTAL_SIZE_BYTES	×
NEW 321	_configure_file_logging(log_directory, num_files_keep=num_files_keep, max_total_size=max_total_size)	×
322
323	# clean up and delete in-memory logs
324	global _inmemory_startup_logs
325	if _inmemory_startup_logs:	×
326	num_discarded = _inmemory_startup_logs.num_messages_seen - _inmemory_startup_logs.max_size	×
327	if num_discarded > 0:	×
328	_logger.warning(f"Too many log messages! Some have been discarded. "	×
329	f"(discarded {num_discarded} messages)")
330	_inmemory_startup_logs.close()	×
331	root_logger.removeHandler(_inmemory_startup_logs)	×
332	_inmemory_startup_logs = None	×
333
334	from . import ELECTRUM_VERSION	×
335	from .constants import GIT_REPO_URL	×
336	_logger.info(f"Electrum version: {ELECTRUM_VERSION} - https://electrum.org - {GIT_REPO_URL}")	×
337	_logger.info(f"Python version: {sys.version}. On platform: {describe_os_version()}")	×
338	_logger.info(f"Logging to file: {str(_logfile_path)}")	×
339	_logger.info(f"Log filters: verbosity {repr(verbosity)}")	×
340
341
342	def get_logfile_path() -> Optional[pathlib.Path]:	5✔
343	return _logfile_path	×
344
345
346	def describe_os_version() -> str:	5✔
347	if 'ANDROID_DATA' in os.environ:	×
348	import jnius	×
349	bv = jnius.autoclass('android.os.Build$VERSION')	×
350	b = jnius.autoclass('android.os.Build')	×
351	return "Android {} on {} {} ({})".format(bv.RELEASE, b.BRAND, b.DEVICE, b.DISPLAY)	×
352	else:
353	return platform.platform()	×
354
355
356	def get_git_version() -> Optional[str]:	5✔
357	dir = os.path.dirname(os.path.realpath(__file__))	×
358	try:	×
359	version = subprocess.check_output(	×
360	['git', 'describe', '--always', '--dirty'], cwd=dir)
361	version = str(version, "utf8").strip()	×
362	except Exception:	×
363	version = None	×
364	return version	×

spesmilo / electrum / 5766584628674560

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