把开发过程经常用的代码段收藏起来，下边代码段是关于python程序发送email的的代码，应该是对码农们有一些好处。

server = 'smtp.gmail.com:587';#importsfrom time import sleep;import smtplib;from email.mime.application import MIMEApplicationfrom email.mime.text import MIMEText;from email.mime.multipart import MIMEMultipart;# takes addresses to, from cc and a subjectdef create_msg(to_address, from_address='', cc_address='', bcc_address='', subject=''): msg = MIMEMultipart(); msg['Subject'] = subject; msg['To'] = to_address; msg['Cc'] = cc_address; msg['From'] = from_address; return msg;# if mode = 0 sends to and cc# if mode = 1 sends to bccdef send_email(smtp_address, usr, password, msg, mode): server = smtplib.SMTP(smtp_address); server.ehlo(); server.starttls(); server.ehlo(); server.login(username,password); if (mode == 0 and msg['To'] != ''): server.sendmail(msg['From'],(msg['To']+msg['Cc']).split(","), msg.as_string()); elif (mode == 1 and msg['Bcc'] != ''): server.sendmail(msg['From'],msg['Bcc'].split(","),msg.as_string()); elif (mode != 0 and mode != 1): print 'error in send mail bcc'; print 'email cancled'; exit(); server.quit();# compose email# takes all the details for an email and sends it# address format: list, [0] - to# [1] - cc# [2] - bcc# subject format: string# body format: list of pairs [0] - text# [1] - type:# 0 - plain# 1 - html# files is list of stringsdef compose_email(addresses, subject, body, files): # addresses to_address = addresses[0]; cc_address = addresses[1]; bcc_address = addresses[2]; # create a message msg = create_msg(to_address, cc_address=cc_address , subject=subject); # add text for text in body: attach_text(msg, text[0], text[1]); # add files if (files != ''): file_list = files.split(','); for afile in file_list: attach_file(msg, afile); # send message send_email(server, username, password, msg, 0); # check for bcc if (bcc_address != ''): msg['Bcc'] = bcc_address; send_email(server, username, password, msg, 1); print 'email sent'# attach text# attaches a plain text or html text to a messagedef attach_text(msg, atext, mode): part = MIMEText(atext, get_mode(mode)); msg.attach(part);# util function to get mode typedef get_mode(mode): if (mode == 0): mode = 'plain'; elif (mode == 1): mode = 'html'; else: print 'error in text kind'; print 'email cancled'; exit(); return mode;# attach file# takes the message and a file name and attaches the file to the messagedef attach_file(msg, afile): part = MIMEApplication(open(afile, "rb").read()); part.add_header('Content-Disposition', 'attachment', filename=afile); msg.attach(part);#to be tested...compose_email(['cpt@thelivingpearl.com','',''], 'test v.5.0', [['some text goes here...n',0]], '');#compose_email can take the following arguments: # 1. to recipients (separated by a comma)# 2. cc recipients (separated by a comma)# 3. bcc recipients (separated by a comma)# 4. subject# 5. a list with message and mode (plain txt or html)# 6. files to be attached