Python tbtools.get_current_traceback方法代码示例

# 需要导入模块: from werkzeug.debug import tbtools [as 别名]
# 或者: from werkzeug.debug.tbtools import get_current_traceback [as 别名]
def showtraceback(self):
        from werkzeug.debug.tbtools import get_current_traceback
        tb = get_current_traceback(skip=1)
        sys.stdout._write(tb.render_summary()) 

# 需要导入模块: from werkzeug.debug import tbtools [as 别名]
# 或者: from werkzeug.debug.tbtools import get_current_traceback [as 别名]
def showsyntaxerror(self, filename=None):
        from werkzeug.debug.tbtools import get_current_traceback
        tb = get_current_traceback(skip=4)
        sys.stdout._write(tb.render_summary()) 

# 需要导入模块: from werkzeug.debug import tbtools [as 别名]
# 或者: from werkzeug.debug.tbtools import get_current_traceback [as 别名]
def send_exception(subject):
    """Send Python exception tracebacks via email to the ADMINS list.

    Use the same HTML styling as Flask tracebacks in debug web servers.

    This function must be called while the exception is happening. It picks up the raised exception with sys.exc_info().

    Positional arguments:
    subject -- subject line of the email (to be prepended by 'Application Error: ').
    """
    # Generate and modify html.
    tb = tbtools.get_current_traceback()  # Get exception information.
    with _override_html():
        html = tb.render_full().encode('utf-8', 'replace')
    html = html.replace('<blockquote>', '<blockquote style="margin: 1em 0 0; padding: 0;">')
    subject = 'Application Error: {}'.format(subject)

    # Apply throttle.
    md5 = hashlib.md5('{}{}'.format(subject, html)).hexdigest()
    seconds = int(current_app.config['MAIL_EXCEPTION_THROTTLE'])
    lock = redis.lock(EMAIL_THROTTLE.format(md5=md5), timeout=seconds)
    have_lock = lock.acquire(blocking=False)
    if not have_lock:
        LOG.debug('Suppressing email: {}'.format(subject))
        return

    # Send email.
    msg = Message(subject=subject, recipients=current_app.config['ADMINS'], html=html)
    mail.send(msg) 

# 需要导入模块: from werkzeug.debug import tbtools [as 别名]
# 或者: from werkzeug.debug.tbtools import get_current_traceback [as 别名]
def query_error(e):
    tb = get_current_traceback()
    return render_template('show_query_error.html', e=e, tb=tb), 500 

# 需要导入模块: from werkzeug.debug import tbtools [as 别名]
# 或者: from werkzeug.debug.tbtools import get_current_traceback [as 别名]
def exception_handler(e):
    tb = get_current_traceback()
    last_frame = tb.frames[-1]
    last_frame_args = inspect.getargs(last_frame.code)
    return render_template('show_error.html',
                           tb=tb,
                           last_frame=last_frame,
                           last_frame_args=last_frame_args), 500 

# 需要导入模块: from werkzeug.debug import tbtools [as 别名]
# 或者: from werkzeug.debug.tbtools import get_current_traceback [as 别名]
def debug_application(self, environ, start_response):
        """Run the application and conserve the traceback frames."""
        app_iter = None
        try:
            app_iter = self.app(environ, start_response)
            for item in app_iter:
                yield item
            if hasattr(app_iter, 'close'):
                app_iter.close()
        except Exception:
            if hasattr(app_iter, 'close'):
                app_iter.close()
            traceback = get_current_traceback(skip=1, show_hidden_frames=
                                              self.show_hidden_frames,
                                              ignore_system_exceptions=True)
            for frame in traceback.frames:
                self.frames[frame.id] = frame
            self.tracebacks[traceback.id] = traceback

            try:
                start_response('500 INTERNAL SERVER ERROR', [
                    ('Content-Type', 'text/html; charset=utf-8'),
                    # Disable Chrome's XSS protection, the debug
                    # output can cause false-positives.
                    ('X-XSS-Protection', '0'),
                ])
            except Exception:
                # if we end up here there has been output but an error
                # occurred.  in that situation we can do nothing fancy any
                # more, better log something into the error log and fall
                # back gracefully.
                environ['wsgi.errors'].write(
                    'Debugging middleware caught exception in streamed '
                    'response at a point where response headers were already '
                    'sent.\n')
            else:
                yield traceback.render_full(evalex=self.evalex,
                                            secret=self.secret) \
                               .encode('utf-8', 'replace')

            traceback.log(environ['wsgi.errors']) 

# 需要导入模块: from werkzeug.debug import tbtools [as 别名]
# 或者: from werkzeug.debug.tbtools import get_current_traceback [as 别名]
def render_exception(self):
        traceback = get_current_traceback()

        for frame in traceback.frames:
            self.debug_app.frames[frame.id] = frame
        self.debug_app.tracebacks[traceback.id] = traceback

        return traceback.render_full(evalex=True,
                                     secret=self.debug_app.secret)