Logpy

class logpyl: """The logpyl class implements basic logging functionality for Python programs. The log file contains the events logged to a logpyl object. It also allows to send mail confirmation Based on Logpyl - basic logfile objects for Python by john cole"""

def init(self,path='Logs', name='logfile', debug='off', my_smtp_local_server='mail.cnb.uam.es' ): "Initialize or open logs as log objects are instantiated." import sys import os import socket

self.my_smtp_local_server = my_smtp_local_server self.events = [] # list of events written to this log self.debug = debug # flag to activate/deactive debugging messages

Try the log file self.name name self.path = path self.logfile = name + '.log' self.ldf = path + '/' + self.logfile lfn = os.path.isfile(self.ldf) if ( lfn ): if ( debug == 'on' ): print 'DEBUG: Log file',self.logfile,'exists.' lfn = open(self.ldf,'r') for line in lfn.readlines(): self.events.append(line.strip()) lfn.close() else: if ( debug == 'on' ): print 'DEBUG: Log file',self.logfile,'does not exist.' # append a line with user, machine and date myusername = str(os.environ.get('USERNAME')) myhost = str(socket.gethostname()) mypwd = str(os.environ.get('PWD')) event = "\n\n==============\n" event += "NEW LOG SESSION\n" event += "===============\n" event += myusername + '@' event += myhost + ':' event += mypwd + ' (' event += self.datetime() + ')\n' self.events.append(event)

def add(self, eventclass="note", message="Your message here"): "Compose a log entry from the elements passed to add() and append it to the list of events." import time event = eventclass + ' ' + message + ' (' + self.datetime() + ')' if ( self.debug == "on" ): print 'DEBUG: Adding', event, 'to log', self.name self.modified = time.asctime(time.localtime(time.time())) self.events.append(event) return

def close(self): "Close the log by writing all log entries to the proper file." import sys import os "Write the current version of the log to a file and free the variables used by the log." if ( self.debug == 'on' ): print "DEBUG: Closing log", self.name # If self.path does not exist, create the directory for the logfiles. if ( not os.path.exists(self.path ) ): if ( self.debug == 'on' ): print 'DEBUG: Directory ',self.path,' does not exist. I am creating it now.' try: os.makedirs(self.path) if ( self.debug == 'on' ): print 'DEBUG: Created log file directory',self.path except OSERROR: print 'ERROR: Could not create log file directory',self.path

Make sure that the log entries are written. lfn = open(self.ldf, 'w+') for event in self.events: lfn.write(event+'\n') lfn.close()

def datetime(self): "Generate the date/time stamp used in our log entries" import time datestamp = time.asctime(time.localtime(time.time())) return datestamp

def printlog(self): print '\nPrinting log', self.name for event in self.events: print event print '\n'

########################### # Send mail ########################## def my_send_mail(self,my_from,my_to,my_subject,my_message): import smtplib msg ("From: (my_from, my_to, my_subject)) line = msg + my_message try: myserversmtplib.SMTP(self.my_smtp_local_server) myserver.sendmail(my_from, my_to, line) except smtplib.SMTPException, error: print errorThisIsTheEnd("no error message")

########################### ##send a mail (text), with attachments ########################### def my_send_mail_attach(self,fro, to, subject, text, files=[]): import smtplib server=self.my_smtp_local_server; assert type(to)__list assert type(files)__list

msg MIMEMultipart() msg['From'] = fro msg['To'] = COMMASPACE.join(to) msg['Date'] = formatdate(localtimeTrue) msg['Subject'] = subject

msg.attach( MIMEText(text) )

for file in files: part MIMEBase('application', "octet-stream") part.set_payload( open(file,"rb").read() ) Encoders.encode_base64(part) part.add_header('Content-Disposition', 'attachment; filename" os.path.basename(file)) msg.attach(part)

smtp = smtplib.SMTP(server) smtp.sendmail(fro, to, msg.as_string() ) smtp.close()

if___name___ == 'main':

create a new log or open an existing log with debugging turned on # (disable debugging messages by passing 'off' as the third parm to logpyl()) mylog = logpyl('Logs','testlog','on') # add a couple of events to the log mylog.add("spam","Spam is US$1.95 per can.") mylog.add("eggs","Eggs are US$0.89 per dozen. sdfsdf dsfsdfs sdfsdf sdfsdfds sdfsdf sdfsdf sdfsdf sfsdf sdfsdf sdfsdf sdfs sdf cc") # print the log entries mylog.printlog() # close the log mylog.close()

--Main.RobertoMarabini - 18 Mar 2007