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#------------------------------------------------------------------------------
# Copyright (c) 2005, Enthought, Inc.
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in enthought/LICENSE.txt and may be redistributed only
# under the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
# Thanks for using Enthought open source!
#
# Author: Enthought, Inc.
# Description: <Enthought logger package component>
#------------------------------------------------------------------------------
# Standard library imports
from datetime import datetime
import logging
# Enthought library imports.
from enthought.pyface.api import ImageResource, clipboard
from enthought.pyface.workbench.api import TraitsUIView
from enthought.traits.api import Button, Instance, List, Property, Str, \
cached_property, on_trait_change
from enthought.traits.ui.api import View, Group, Item, CodeEditor, \
TabularEditor, spring
from enthought.traits.ui.tabular_adapter import TabularAdapter
# Local imports
from enthought.logger.agent.quality_agent_view import QualityAgentView
from enthought.logger.plugin import view
from enthought.logger.plugin.logger_service import LoggerService
# Constants
_IMAGE_MAP = { logging.DEBUG: ImageResource('debug'),
logging.INFO: ImageResource('info'),
logging.WARNING: ImageResource('warning'),
logging.ERROR: ImageResource('error'),
logging.CRITICAL: ImageResource('crit_error') }
class LogRecordAdapter(TabularAdapter):
""" A TabularEditor adapter for logging.LogRecord objects.
"""
columns = [ ('Level', 'level'), ('Date', 'date'), ('Time', 'time'),
('Message', 'message') ]
column_widths = [ 80, 100, 120, -1 ]
level_image = Property
level_text = Property(Str)
date_text = Property(Str)
time_text = Property(Str)
message_text = Property(Str)
def get_width(self, object, trait, column):
return self.column_widths[column]
def _get_level_image(self):
return _IMAGE_MAP[self.item.levelno]
def _get_level_text(self):
return self.item.levelname.capitalize()
def _get_date_text(self):
dt = datetime.fromtimestamp(self.item.created)
return dt.date().isoformat()
def _get_time_text(self):
dt = datetime.fromtimestamp(self.item.created)
return dt.time().isoformat()
def _get_message_text(self):
# Just display the first line of multiline messages, like stacktraces.
msg = self.item.getMessage()
msgs = msg.strip().split('\n')
if len(msgs) > 1:
suffix = '... [double click for details]'
else:
suffix = ''
abbrev_msg = msgs[0] + suffix
return abbrev_msg
class LoggerView(TraitsUIView):
""" The Workbench View showing the list of log items.
"""
id = Str('enthought.logger.plugin.view.logger_view.LoggerView')
name = Str('Logger')
service = Instance(LoggerService)
log_records = List(Instance(logging.LogRecord))
formatted_records = Property(Str, depends_on='log_records')
activated = Instance(logging.LogRecord)
activated_text = Property(Str, depends_on='activated')
reset_button = Button("Reset Logs")
show_button = Button("Complete Text Log")
copy_button = Button("Copy Log to Clipboard")
code_editor = CodeEditor(lexer='null',
show_line_numbers=False)
log_records_editor = TabularEditor(adapter=LogRecordAdapter(),
editable=False,
activated='activated')
trait_view = View(Group(Item('log_records',
editor=log_records_editor),
Group(Item('reset_button'),
spring,
Item('show_button'),
Item('copy_button'),
orientation='horizontal',
show_labels=False),
show_labels=False))
###########################################################################
# LogQueueHandler view interface
###########################################################################
def update(self, force=False):
""" Update 'log_records' if our handler has new records or 'force' is
set.
"""
service = self.service
if service.handler.has_new_records() or force:
self.log_records = [ rec for rec in service.handler.get()
if rec.levelno >= service.preferences.level_ ]
###########################################################################
# Private interface
###########################################################################
@on_trait_change('service.preferences.level_')
def _update_log_records(self):
self.service.handler._view = self
self.update(force=True)
def _reset_button_fired(self):
self.service.handler.reset()
self.log_records = []
def _show_button_fired(self):
self.edit_traits(view=View(Item('formatted_records',
editor=self.code_editor,
style='readonly',
show_label=False),
width=800, height=600, resizable=True,
buttons=[ 'OK' ],
title='Complete Text Log'))
def _copy_button_fired(self):
clipboard.text_data = self.formatted_records
@cached_property
def _get_formatted_records(self):
return '\n'.join([ self.service.handler.formatter.format(record)
for record in self.log_records ])
def _activated_changed(self):
if self.activated is None:
return
msg = self.activated.getMessage()
if self.service.preferences.enable_agent:
dialog = QualityAgentView(msg=msg, service=self.service)
dialog.open()
else:
self.edit_traits(view=View(Item('activated_text',
editor=self.code_editor,
style='readonly',
show_label=False),
width=800, height=600, resizable=True,
buttons=[ 'OK' ],
title='Log Message Detail'))
@cached_property
def _get_activated_text(self):
if self.activated is None:
return ''
else:
return self.activated.getMessage()
#### EOF ######################################################################
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