61 lines
1.7 KiB
Python
Executable File
61 lines
1.7 KiB
Python
Executable File
#! /usr/bin/python2.3
|
|
#Copyright ReportLab Europe Ltd. 2000-2004
|
|
#see license.txt for license details
|
|
#history http://www.reportlab.co.uk/cgi-bin/viewcvs.cgi/public/reportlab/trunk/reportlab/lib/logger.py
|
|
__version__=''' $Id$ '''
|
|
|
|
from sys import stderr
|
|
class Logger:
|
|
'''
|
|
An extended file type thing initially equivalent to sys.stderr
|
|
You can add/remove file type things; it has a write method
|
|
'''
|
|
def __init__(self):
|
|
self._fps = [stderr]
|
|
self._fns = {}
|
|
|
|
def add(self,fp):
|
|
'''add the file/string fp to the destinations'''
|
|
if type(fp) is StringType:
|
|
if fp in self._fns: return
|
|
fp = open(fn,'wb')
|
|
self._fns[fn] = fp
|
|
self._fps.append(fp)
|
|
|
|
def remove(self,fp):
|
|
'''remove the file/string fp from the destinations'''
|
|
if type(fp) is StringType:
|
|
if fp not in self._fns: return
|
|
fn = fp
|
|
fp = self._fns[fn]
|
|
del self.fns[fn]
|
|
if fp in self._fps:
|
|
del self._fps[self._fps.index(fp)]
|
|
|
|
def write(self,text):
|
|
'''write text to all the destinations'''
|
|
if text[-1]!='\n': text=text+'\n'
|
|
map(lambda fp,t=text: fp.write(t),self._fps)
|
|
|
|
def __call__(self,text):
|
|
self.write(text)
|
|
|
|
logger=Logger()
|
|
|
|
class WarnOnce:
|
|
|
|
def __init__(self,kind='Warn'):
|
|
self.uttered = {}
|
|
self.pfx = '%s: '%kind
|
|
self.enabled = 1
|
|
|
|
def once(self,warning):
|
|
if not self.uttered.has_key(warning):
|
|
if self.enabled: logger.write(self.pfx + warning)
|
|
self.uttered[warning] = 1
|
|
|
|
def __call__(self,warning):
|
|
self.once(warning)
|
|
|
|
warnOnce=WarnOnce()
|
|
infoOnce=WarnOnce('Info') |