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-Include GUI in logging and messaging system
-Log all GUI infos and warnings through logging module
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Artur Glavic
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Apr 4, 2013
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -10,6 +10,7 @@ | |
| import sys | ||
| import atexit | ||
| import logging | ||
| import traceback | ||
| from .version import str_version | ||
|
|
||
| # default options used | ||
|
|
@@ -23,30 +24,126 @@ | |
| LOG_DIR=os.path.join(USER_DIR, 'debug.log') | ||
| if not os.path.exists(USER_DIR): | ||
| os.makedirs(USER_DIR) | ||
| ADMIN_MAIL='[email protected]' | ||
|
|
||
| def excepthook_overwrite(*exc_info): | ||
| logging.error('unexpected python error', exc_info=exc_info) | ||
| logging.critical('python error', exc_info=exc_info) | ||
|
|
||
| def goodby(): | ||
| logging.debug('*** QuickNXS %s Logging ended ***'%str_version) | ||
|
|
||
| def setup_system(): | ||
| logger=logging.root#logging.getLogger('quick_nxs') | ||
| logger.setLevel(logging.DEBUG) | ||
| console=logging.StreamHandler(sys.__stdout__) | ||
| formatter=logging.Formatter('%(levelname) 7s: %(message)s') | ||
| console.setFormatter(formatter) | ||
| console.setLevel(CONSOLE_LEVEL) | ||
|
|
||
| logger.addHandler(console) | ||
| logfile=logging.FileHandler(LOG_DIR, 'w') | ||
| formatter=logging.Formatter('[%(levelname)s] - %(asctime)s - %(filename)s:%(lineno)i:%(funcName)s %(message)s', | ||
| '') | ||
| logfile.setFormatter(formatter) | ||
| logfile.setLevel(FILE_LEVEL) | ||
| logger.addHandler(logfile) | ||
|
|
||
| logging.debug('*** QuickNXS %s Logging started ***'%str_version) | ||
|
|
||
| sys.excepthook=excepthook_overwrite | ||
| atexit.register(goodby) | ||
|
|
||
| class QtHandler(logging.Handler): | ||
| ''' | ||
| A logging Handler to be used by a GUI widget to show the data. | ||
| ''' | ||
| max_items=1e5 | ||
| info_limit=logging.INFO | ||
| warn_limit=logging.WARNING | ||
|
|
||
| def __init__(self, main_window): | ||
| logging.Handler.__init__(self, level=GUI_LEVEL) | ||
| self.logged_items=[] | ||
| self.main_window=main_window | ||
|
|
||
| def emit(self, record): | ||
| self.logged_items.append(record) | ||
| # make sure the buffer doesn't get infinitly large | ||
| if len(self.logged_items)>self.max_items: | ||
| self.logged_items.pop(0) | ||
| if record.levelno<=self.info_limit: | ||
| self.show_info(record) | ||
| elif record.levelno<=self.warn_limit: | ||
| self.show_warning(record) | ||
| else: | ||
| self.show_error(record) | ||
|
|
||
| def show_info(self, record): | ||
| msg=record.msg | ||
| if record.levelno!=logging.INFO: | ||
| msg=record.levelname+': '+msg | ||
| self.main_window.ui.statusbar.showMessage(msg, 5000.) | ||
|
|
||
| def show_warning(self, record): | ||
| ''' | ||
| Warning messages display a dialog to the user. | ||
| ''' | ||
| from PyQt4.QtGui import QMessageBox | ||
| QMessageBox.warning(self.main_window, 'QuickNXS '+record.levelname, record.msg) | ||
|
|
||
| def show_error(self, record): | ||
| ''' | ||
| More urgent error messages allow to send a bug report. | ||
| ''' | ||
| from PyQt4.QtGui import QMessageBox | ||
| from PyQt4.QtCore import Qt | ||
| mbox=QMessageBox(self.main_window) | ||
| mbox.setIcon(QMessageBox.Critical) | ||
| mbox.setTextFormat(Qt.RichText) | ||
| mbox.setInformativeText('Do you want to send the logfile to the developer?') | ||
| mbox.setStandardButtons(QMessageBox.Yes|QMessageBox.No) | ||
| mbox.setDefaultButton(QMessageBox.No) | ||
|
|
||
| if record.exc_info: | ||
| tb=traceback.format_exception(*record.exc_info) | ||
| message='\n'.join(tb) | ||
| mbox.setDetailedText(message) | ||
| mbox.setText(u'An unexpected error has occurred: <b>%s</b><br /> <i>%s</i>: %s'%( | ||
| record.msg, | ||
| record.exc_info[0].__name__, | ||
| record.exc_info[1])) | ||
| else: | ||
| mbox.setText(u'An unexpected error has occurred: <br /> <b>%s</b>'%record.msg) | ||
| result=mbox.exec_() | ||
| if result==QMessageBox.Yes: | ||
| logging.info('Sending mail') | ||
| try: | ||
| import smtplib | ||
| from email.mime.multipart import MIMEMultipart | ||
| from email.mime.text import MIMEText | ||
| from getpass import getuser | ||
|
|
||
| msg=MIMEMultipart() | ||
| msg['Subject']='QuickNXS error report' | ||
| msg['From']='%[email protected]'%getuser() | ||
| msg['To']=ADMIN_MAIL | ||
| text='This is an automatic bugreport from QuickNXS\n\n%s'%record.msg | ||
| if record.exc_info: | ||
| text+='\n\n'+message | ||
| text+='\n' | ||
| msg.preamble=text | ||
| msg.attach(MIMEText(text)) | ||
|
|
||
| mitem=MIMEText(open(LOG_DIR, 'r').read(), 'log') | ||
| mitem.add_header('Content-Disposition', 'attachment', filename='debug.log') | ||
| msg.attach(mitem) | ||
|
|
||
| smtp=smtplib.SMTP('160.91.4.26') | ||
| smtp.sendmail(msg['From'], msg['To'].split(','), msg.as_string()) | ||
| smtp.quit() | ||
| logging.info('Mail sent') | ||
| except: | ||
| logging.warning('problem sending the mail', exc_info=True) | ||
|
|
||
| def install_gui_handler(main_window): | ||
| logging.root.addHandler(QtHandler(main_window)) | ||
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