Python warnings.showwarning() Examples

The following are 30 code examples for showing how to use warnings.showwarning(). These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example.

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Example 1
Project: jawfish   Author: war-and-code   File: __init__.py    License: MIT License 6 votes vote down vote up
def _showwarning(message, category, filename, lineno, file=None, line=None):
    """
    Implementation of showwarnings which redirects to logging, which will first
    check to see if the file parameter is None. If a file is specified, it will
    delegate to the original warnings implementation of showwarning. Otherwise,
    it will call warnings.formatwarning and will log the resulting string to a
    warnings logger named "py.warnings" with level logging.WARNING.
    """
    if file is not None:
        if _warnings_showwarning is not None:
            _warnings_showwarning(message, category, filename, lineno, file, line)
    else:
        s = warnings.formatwarning(message, category, filename, lineno, line)
        logger = getLogger("py.warnings")
        if not logger.handlers:
            logger.addHandler(NullHandler())
        logger.warning("%s", s) 
Example 2
Project: meddle   Author: glmcdona   File: __init__.py    License: MIT License 6 votes vote down vote up
def _showwarning(message, category, filename, lineno, file=None, line=None):
    """
    Implementation of showwarnings which redirects to logging, which will first
    check to see if the file parameter is None. If a file is specified, it will
    delegate to the original warnings implementation of showwarning. Otherwise,
    it will call warnings.formatwarning and will log the resulting string to a
    warnings logger named "py.warnings" with level logging.WARNING.
    """
    if file is not None:
        if _warnings_showwarning is not None:
            _warnings_showwarning(message, category, filename, lineno, file, line)
    else:
        s = warnings.formatwarning(message, category, filename, lineno, line)
        logger = getLogger("py.warnings")
        if not logger.handlers:
            logger.addHandler(NullHandler())
        logger.warning("%s", s) 
Example 3
Project: ironpython2   Author: IronLanguages   File: __init__.py    License: Apache License 2.0 6 votes vote down vote up
def _showwarning(message, category, filename, lineno, file=None, line=None):
    """
    Implementation of showwarnings which redirects to logging, which will first
    check to see if the file parameter is None. If a file is specified, it will
    delegate to the original warnings implementation of showwarning. Otherwise,
    it will call warnings.formatwarning and will log the resulting string to a
    warnings logger named "py.warnings" with level logging.WARNING.
    """
    if file is not None:
        if _warnings_showwarning is not None:
            _warnings_showwarning(message, category, filename, lineno, file, line)
    else:
        s = warnings.formatwarning(message, category, filename, lineno, line)
        logger = getLogger("py.warnings")
        if not logger.handlers:
            logger.addHandler(NullHandler())
        logger.warning("%s", s) 
Example 4
Project: ironpython2   Author: IronLanguages   File: test_logging.py    License: Apache License 2.0 6 votes vote down vote up
def test_warnings(self):
        with warnings.catch_warnings():
            logging.captureWarnings(True)
            try:
                warnings.filterwarnings("always", category=UserWarning)
                file = cStringIO.StringIO()
                h = logging.StreamHandler(file)
                logger = logging.getLogger("py.warnings")
                logger.addHandler(h)
                warnings.warn("I'm warning you...")
                logger.removeHandler(h)
                s = file.getvalue()
                h.close()
                self.assertTrue(s.find("UserWarning: I'm warning you...\n") > 0)

                #See if an explicit file uses the original implementation
                file = cStringIO.StringIO()
                warnings.showwarning("Explicit", UserWarning, "dummy.py", 42,
                                        file, "Dummy line")
                s = file.getvalue()
                file.close()
                self.assertEqual(s,
                        "dummy.py:42: UserWarning: Explicit\n  Dummy line\n")
            finally:
                logging.captureWarnings(False) 
Example 5
Project: auto-alt-text-lambda-api   Author: abhisuri97   File: utils.py    License: MIT License 6 votes vote down vote up
def __enter__(self):
        if self._entered:
            raise RuntimeError("Cannot enter %r twice" % self)
        self._entered = True
        self._filters = self._module.filters
        self._module.filters = self._filters[:]
        self._showwarning = self._module.showwarning
        if self._record:
            log = []

            def showwarning(*args, **kwargs):
                log.append(WarningMessage(*args, **kwargs))
            self._module.showwarning = showwarning
            return log
        else:
            return None 
Example 6
Project: vnpy_crypto   Author: birforce   File: utils.py    License: MIT License 6 votes vote down vote up
def __enter__(self):
        if self._entered:
            raise RuntimeError("Cannot enter %r twice" % self)
        self._entered = True
        self._filters = self._module.filters
        self._module.filters = self._filters[:]
        self._showwarning = self._module.showwarning
        if self._record:
            log = []

            def showwarning(*args, **kwargs):
                log.append(WarningMessage(*args, **kwargs))
            self._module.showwarning = showwarning
            return log
        else:
            return None 
Example 7
Project: BinderFilter   Author: dxwu   File: __init__.py    License: MIT License 6 votes vote down vote up
def _showwarning(message, category, filename, lineno, file=None, line=None):
    """
    Implementation of showwarnings which redirects to logging, which will first
    check to see if the file parameter is None. If a file is specified, it will
    delegate to the original warnings implementation of showwarning. Otherwise,
    it will call warnings.formatwarning and will log the resulting string to a
    warnings logger named "py.warnings" with level logging.WARNING.
    """
    if file is not None:
        if _warnings_showwarning is not None:
            _warnings_showwarning(message, category, filename, lineno, file, line)
    else:
        s = warnings.formatwarning(message, category, filename, lineno, line)
        logger = getLogger("py.warnings")
        if not logger.handlers:
            logger.addHandler(NullHandler())
        logger.warning("%s", s) 
Example 8
Project: BinderFilter   Author: dxwu   File: test_logging.py    License: MIT License 6 votes vote down vote up
def test_warnings(self):
        with warnings.catch_warnings():
            logging.captureWarnings(True)
            try:
                warnings.filterwarnings("always", category=UserWarning)
                file = cStringIO.StringIO()
                h = logging.StreamHandler(file)
                logger = logging.getLogger("py.warnings")
                logger.addHandler(h)
                warnings.warn("I'm warning you...")
                logger.removeHandler(h)
                s = file.getvalue()
                h.close()
                self.assertTrue(s.find("UserWarning: I'm warning you...\n") > 0)

                #See if an explicit file uses the original implementation
                file = cStringIO.StringIO()
                warnings.showwarning("Explicit", UserWarning, "dummy.py", 42,
                                        file, "Dummy line")
                s = file.getvalue()
                file.close()
                self.assertEqual(s,
                        "dummy.py:42: UserWarning: Explicit\n  Dummy line\n")
            finally:
                logging.captureWarnings(False) 
Example 9
Project: Computable   Author: ktraunmueller   File: __init__.py    License: MIT License 6 votes vote down vote up
def _showwarning(message, category, filename, lineno, file=None, line=None):
    """
    Implementation of showwarnings which redirects to logging, which will first
    check to see if the file parameter is None. If a file is specified, it will
    delegate to the original warnings implementation of showwarning. Otherwise,
    it will call warnings.formatwarning and will log the resulting string to a
    warnings logger named "py.warnings" with level logging.WARNING.
    """
    if file is not None:
        if _warnings_showwarning is not None:
            _warnings_showwarning(message, category, filename, lineno, file, line)
    else:
        s = warnings.formatwarning(message, category, filename, lineno, line)
        logger = getLogger("py.warnings")
        if not logger.handlers:
            logger.addHandler(NullHandler())
        logger.warning("%s", s) 
Example 10
Project: oss-ftp   Author: aliyun   File: __init__.py    License: MIT License 6 votes vote down vote up
def _showwarning(message, category, filename, lineno, file=None, line=None):
    """
    Implementation of showwarnings which redirects to logging, which will first
    check to see if the file parameter is None. If a file is specified, it will
    delegate to the original warnings implementation of showwarning. Otherwise,
    it will call warnings.formatwarning and will log the resulting string to a
    warnings logger named "py.warnings" with level logging.WARNING.
    """
    if file is not None:
        if _warnings_showwarning is not None:
            _warnings_showwarning(message, category, filename, lineno, file, line)
    else:
        s = warnings.formatwarning(message, category, filename, lineno, line)
        logger = getLogger("py.warnings")
        if not logger.handlers:
            logger.addHandler(NullHandler())
        logger.warning("%s", s) 
Example 11
Project: oss-ftp   Author: aliyun   File: test_logging.py    License: MIT License 6 votes vote down vote up
def test_warnings(self):
        with warnings.catch_warnings():
            logging.captureWarnings(True)
            try:
                warnings.filterwarnings("always", category=UserWarning)
                file = cStringIO.StringIO()
                h = logging.StreamHandler(file)
                logger = logging.getLogger("py.warnings")
                logger.addHandler(h)
                warnings.warn("I'm warning you...")
                logger.removeHandler(h)
                s = file.getvalue()
                h.close()
                self.assertTrue(s.find("UserWarning: I'm warning you...\n") > 0)

                #See if an explicit file uses the original implementation
                file = cStringIO.StringIO()
                warnings.showwarning("Explicit", UserWarning, "dummy.py", 42,
                                        file, "Dummy line")
                s = file.getvalue()
                file.close()
                self.assertEqual(s,
                        "dummy.py:42: UserWarning: Explicit\n  Dummy line\n")
            finally:
                logging.captureWarnings(False) 
Example 12
Project: oss-ftp   Author: aliyun   File: PyShell.py    License: MIT License 6 votes vote down vote up
def idle_showwarning(
        message, category, filename, lineno, file=None, line=None):
    """Show Idle-format warning (after replacing warnings.showwarning).

    The differences are the formatter called, the file=None replacement,
    which can be None, the capture of the consequence AttributeError,
    and the output of a hard-coded prompt.
    """
    if file is None:
        file = warning_stream
    try:
        file.write(idle_formatwarning(
                message, category, filename, lineno, line=line))
        file.write(">>> ")
    except (AttributeError, IOError):
        pass  # if file (probably __stderr__) is invalid, skip warning. 
Example 13
Project: abusehelper   Author: abusesa   File: bot.py    License: MIT License 6 votes vote down vote up
def execute(self):
        def showwarning(message, category, filename, fileno, file=None, line=None):
            msg = warnings.formatwarning(message, category, filename, fileno, line)
            self.log.warning(msg.strip())

        with warnings.catch_warnings():
            warnings.simplefilter("always")
            warnings.showwarning = showwarning

            try:
                return self.run()
            except SystemExit:
                raise
            except:
                self.log.critical(traceback.format_exc().strip())
                sys.exit(1) 
Example 14
Project: pmatic   Author: LarsMichelsen   File: __init__.py    License: GNU General Public License v2.0 6 votes vote down vote up
def _showwarning(message, category, filename, lineno, file=None, line=None):
    """
    Implementation of showwarnings which redirects to logging, which will first
    check to see if the file parameter is None. If a file is specified, it will
    delegate to the original warnings implementation of showwarning. Otherwise,
    it will call warnings.formatwarning and will log the resulting string to a
    warnings logger named "py.warnings" with level logging.WARNING.
    """
    if file is not None:
        if _warnings_showwarning is not None:
            _warnings_showwarning(message, category, filename, lineno, file, line)
    else:
        s = warnings.formatwarning(message, category, filename, lineno, line)
        logger = getLogger("py.warnings")
        if not logger.handlers:
            logger.addHandler(NullHandler())
        logger.warning("%s", s) 
Example 15
Project: Fluid-Designer   Author: Microvellum   File: __init__.py    License: GNU General Public License v3.0 6 votes vote down vote up
def _showwarning(message, category, filename, lineno, file=None, line=None):
    """
    Implementation of showwarnings which redirects to logging, which will first
    check to see if the file parameter is None. If a file is specified, it will
    delegate to the original warnings implementation of showwarning. Otherwise,
    it will call warnings.formatwarning and will log the resulting string to a
    warnings logger named "py.warnings" with level logging.WARNING.
    """
    if file is not None:
        if _warnings_showwarning is not None:
            _warnings_showwarning(message, category, filename, lineno, file, line)
    else:
        s = warnings.formatwarning(message, category, filename, lineno, line)
        logger = getLogger("py.warnings")
        if not logger.handlers:
            logger.addHandler(NullHandler())
        logger.warning("%s", s) 
Example 16
Project: jawfish   Author: war-and-code   File: __init__.py    License: MIT License 5 votes vote down vote up
def captureWarnings(capture):
    """
    If capture is true, redirect all warnings to the logging package.
    If capture is False, ensure that warnings are not redirected to logging
    but to their original destinations.
    """
    global _warnings_showwarning
    if capture:
        if _warnings_showwarning is None:
            _warnings_showwarning = warnings.showwarning
            warnings.showwarning = _showwarning
    else:
        if _warnings_showwarning is not None:
            warnings.showwarning = _warnings_showwarning
            _warnings_showwarning = None 
Example 17
Project: recruit   Author: Frank-qlu   File: utils.py    License: Apache License 2.0 5 votes vote down vote up
def __enter__(self):
        if self._entered:
            raise RuntimeError("cannot enter suppress_warnings twice.")

        self._orig_show = warnings.showwarning
        self._filters = warnings.filters
        warnings.filters = self._filters[:]

        self._entered = True
        self._tmp_suppressions = []
        self._tmp_modules = set()
        self._forwarded = set()

        self.log = []  # reset global log (no need to keep same list)

        for cat, mess, _, mod, log in self._suppressions:
            if log is not None:
                del log[:]  # clear the log
            if mod is None:
                warnings.filterwarnings(
                    "always", category=cat, message=mess)
            else:
                module_regex = mod.__name__.replace('.', r'\.') + '$'
                warnings.filterwarnings(
                    "always", category=cat, message=mess,
                    module=module_regex)
                self._tmp_modules.add(mod)
        warnings.showwarning = self._showwarning
        self._clear_registries()

        return self 
Example 18
Project: recruit   Author: Frank-qlu   File: utils.py    License: Apache License 2.0 5 votes vote down vote up
def __exit__(self, *exc_info):
        warnings.showwarning = self._orig_show
        warnings.filters = self._filters
        self._clear_registries()
        self._entered = False
        del self._orig_show
        del self._filters 
Example 19
Project: recruit   Author: Frank-qlu   File: deprecation.py    License: Apache License 2.0 5 votes vote down vote up
def install_warning_logger():
    # Enable our Deprecation Warnings
    warnings.simplefilter("default", PipDeprecationWarning, append=True)

    global _warnings_showwarning

    if _warnings_showwarning is None:
        _warnings_showwarning = warnings.showwarning
        warnings.showwarning = _showwarning 
Example 20
Project: jbox   Author: jpush   File: deprecation.py    License: MIT License 5 votes vote down vote up
def install_warning_logger():
    # Enable our Deprecation Warnings
    warnings.simplefilter("default", PipDeprecationWarning, append=True)

    global _warnings_showwarning

    if _warnings_showwarning is None:
        _warnings_showwarning = warnings.showwarning
        warnings.showwarning = _showwarning 
Example 21
Project: python-netsurv   Author: sofia-netsurv   File: deprecation.py    License: MIT License 5 votes vote down vote up
def install_warning_logger():
    # Enable our Deprecation Warnings
    warnings.simplefilter("default", PipDeprecationWarning, append=True)

    global _warnings_showwarning

    if _warnings_showwarning is None:
        _warnings_showwarning = warnings.showwarning
        warnings.showwarning = _showwarning 
Example 22
Project: python-netsurv   Author: sofia-netsurv   File: deprecation.py    License: MIT License 5 votes vote down vote up
def install_warning_logger():
    # Enable our Deprecation Warnings
    warnings.simplefilter("default", PipDeprecationWarning, append=True)

    global _warnings_showwarning

    if _warnings_showwarning is None:
        _warnings_showwarning = warnings.showwarning
        warnings.showwarning = _showwarning 
Example 23
Project: meddle   Author: glmcdona   File: __init__.py    License: MIT License 5 votes vote down vote up
def captureWarnings(capture):
    """
    If capture is true, redirect all warnings to the logging package.
    If capture is False, ensure that warnings are not redirected to logging
    but to their original destinations.
    """
    global _warnings_showwarning
    if capture:
        if _warnings_showwarning is None:
            _warnings_showwarning = warnings.showwarning
            warnings.showwarning = _showwarning
    else:
        if _warnings_showwarning is not None:
            warnings.showwarning = _warnings_showwarning
            _warnings_showwarning = None 
Example 24
Project: lambda-packs   Author: ryfeus   File: utils.py    License: MIT License 5 votes vote down vote up
def __enter__(self):
        if self._entered:
            raise RuntimeError("cannot enter suppress_warnings twice.")

        self._orig_show = warnings.showwarning
        self._filters = warnings.filters
        warnings.filters = self._filters[:]

        self._entered = True
        self._tmp_suppressions = []
        self._tmp_modules = set()
        self._forwarded = set()

        self.log = []  # reset global log (no need to keep same list)

        for cat, mess, _, mod, log in self._suppressions:
            if log is not None:
                del log[:]  # clear the log
            if mod is None:
                warnings.filterwarnings(
                    "always", category=cat, message=mess)
            else:
                module_regex = mod.__name__.replace('.', r'\.') + '$'
                warnings.filterwarnings(
                    "always", category=cat, message=mess,
                    module=module_regex)
                self._tmp_modules.add(mod)
        warnings.showwarning = self._showwarning
        self._clear_registries()

        return self 
Example 25
Project: lambda-packs   Author: ryfeus   File: utils.py    License: MIT License 5 votes vote down vote up
def __exit__(self, *exc_info):
        warnings.showwarning = self._orig_show
        warnings.filters = self._filters
        self._clear_registries()
        self._entered = False
        del self._orig_show
        del self._filters 
Example 26
Project: lambda-packs   Author: ryfeus   File: _numpy_compat.py    License: MIT License 5 votes vote down vote up
def __enter__(self):
            if self._entered:
                raise RuntimeError("cannot enter suppress_warnings twice.")

            self._orig_show = warnings.showwarning
            self._filters = warnings.filters
            warnings.filters = self._filters[:]

            self._entered = True
            self._tmp_suppressions = []
            self._tmp_modules = set()
            self._forwarded = set()

            self.log = []  # reset global log (no need to keep same list)

            for cat, mess, _, mod, log in self._suppressions:
                if log is not None:
                    del log[:]  # clear the log
                if mod is None:
                    warnings.filterwarnings(
                        "always", category=cat, message=mess)
                else:
                    module_regex = mod.__name__.replace('.', r'\.') + '$'
                    warnings.filterwarnings(
                        "always", category=cat, message=mess,
                        module=module_regex)
                    self._tmp_modules.add(mod)
            warnings.showwarning = self._showwarning
            self._clear_registries()

            return self 
Example 27
Project: lambda-packs   Author: ryfeus   File: _numpy_compat.py    License: MIT License 5 votes vote down vote up
def __exit__(self, *exc_info):
            warnings.showwarning = self._orig_show
            warnings.filters = self._filters
            self._clear_registries()
            self._entered = False
            del self._orig_show
            del self._filters 
Example 28
Project: ironpython2   Author: IronLanguages   File: __init__.py    License: Apache License 2.0 5 votes vote down vote up
def captureWarnings(capture):
    """
    If capture is true, redirect all warnings to the logging package.
    If capture is False, ensure that warnings are not redirected to logging
    but to their original destinations.
    """
    global _warnings_showwarning
    if capture:
        if _warnings_showwarning is None:
            _warnings_showwarning = warnings.showwarning
            warnings.showwarning = _showwarning
    else:
        if _warnings_showwarning is not None:
            warnings.showwarning = _warnings_showwarning
            _warnings_showwarning = None 
Example 29
Project: auto-alt-text-lambda-api   Author: abhisuri97   File: utils.py    License: MIT License 5 votes vote down vote up
def __exit__(self):
        if not self._entered:
            raise RuntimeError("Cannot exit %r without entering first" % self)
        self._module.filters = self._filters
        self._module.showwarning = self._showwarning 
Example 30
Project: Python24   Author: HaoZhang95   File: deprecation.py    License: MIT License 5 votes vote down vote up
def install_warning_logger():
    # Enable our Deprecation Warnings
    warnings.simplefilter("default", PipDeprecationWarning, append=True)

    global _warnings_showwarning

    if _warnings_showwarning is None:
        _warnings_showwarning = warnings.showwarning
        warnings.showwarning = _showwarning