old_contents: #!/usr/bin/env python
  # -*- coding:utf-8 -*-
  
  import os
  
  from bottle import route, request, run
  from bottle import jinja2_template as template
  
  import smtplib
  from email.mime.text import MIMEText
  from email.header import Header
  from email import charset
  from subprocess import Popen, PIPE
  
  SENDER_ADDRESS = 'sender@example.com'
  SENDER_LOGIN_ID = 'sender@example.com'
  SENDER_PASSWORD = 'passwd'
  SENDER_DOMAIN = SENDER_ADDRESS.split('@')[1]
  RECIEVER_ADDRESSES = ['receiver1@example.com', 'receiver2@example.com']
  
  
  @route('/', method="GET")
  def form():
      return template('mail.html')
  	
  @route('/', method="POST")
  def send():
      keyvalue = {
          'key': request.forms.get('key_field').decode('utf-8'),
          'value': request.forms.get('value_field').decode('utf-8')
      }
      
      email_body =  """
  キー： {key}
  値： {value}
  """.strip().decode('utf-8').format(**keyvalue)
      
      try:
          msg = MIMEText(email_body, 'plain', 'utf-8')
          msg['Subject'] = Header(u'メールテスト', 'utf-8')
          msg['From'] = SENDER_ADDRESS
          msg['To'] = ','.join(RECIEVER_ADDRESSES)
          
          charset.add_charset('utf-8', charset.SHORTEST, None, 'utf-8')
          
          
          # Sendmail version
          p = Popen(["/usr/sbin/sendmail", "-t", "-oi"], stdin=PIPE)
          p.communicate(msg.as_string())
          
          # SMTP Auth(login) version
          smtp_auth_client = smtplib.SMTP(SENDER_DOMAIN, 587)
          smtp_auth_client.login(SENDER_LOGIN_ID, SENDER_PASSWORD)
          smtp_auth_client.sendmail(SENDER_ADDRESS, RECIEVER_ADDRESSES, msg.as_string())
          smtp_auth_client.quit()
          
          # Error version
          smtp_client = smtplib.SMTP(SENDER_DOMAIN, 587)
          smtp_client.sendmail(SENDER_ADDRESS, RECIEVER_ADDRESSES, msg.as_string())
          smtp_client.quit()
          
      except Exception, err:
          return map(str, err)
  
      return 'sent!'
      
      
  if os.name == 'nt':
      # for local
      run(host='0.0.0.0', port=8080, debug=True)
  else:
      # for production
      run(server='cgi')
new_contents: #!/usr/bin/env python
  # -*- coding:utf-8 -*-
  
  import os
  
  from bottle import route, request, run, template
  
  import smtplib
  from email.mime.text import MIMEText
  from email.header import Header
  from email import charset
  from subprocess import Popen, PIPE
  
  SENDER_ADDRESS = 'sender@example.com'
  SENDER_LOGIN_ID = 'sender@example.com'
  SENDER_PASSWORD = 'passwd'
  SENDER_DOMAIN = SENDER_ADDRESS.split('@')[1]
  RECIEVER_ADDRESSES = ['receiver1@example.com', 'receiver2@example.com']
  
  
  @route('/', method="GET")
  def form():
      return template('mail.html')
  	
  @route('/', method="POST")
  def send():
      keyvalue = {
          'key': request.forms.get('key_field').decode('utf-8'),
          'value': request.forms.get('value_field').decode('utf-8')
      }
      
      email_body =  """
  キー： {key}
  値： {value}
  """.strip().decode('utf-8').format(**keyvalue)
      
      try:
          msg = MIMEText(email_body, 'plain', 'utf-8')
          msg['Subject'] = Header(u'メールテスト', 'utf-8')
          msg['From'] = SENDER_ADDRESS
          msg['To'] = ','.join(RECIEVER_ADDRESSES)
          
          charset.add_charset('utf-8', charset.SHORTEST, None, 'utf-8')
          
          
          # Sendmail version
          p = Popen(["/usr/sbin/sendmail", "-t", "-oi"], stdin=PIPE)
          p.communicate(msg.as_string())
          
          # SMTP Auth(login) version
          smtp_auth_client = smtplib.SMTP(SENDER_DOMAIN, 587)
          smtp_auth_client.login(SENDER_LOGIN_ID, SENDER_PASSWORD)
          smtp_auth_client.sendmail(SENDER_ADDRESS, RECIEVER_ADDRESSES, msg.as_string())
          smtp_auth_client.quit()
          
          # Error version
          smtp_client = smtplib.SMTP(SENDER_DOMAIN, 587)
          smtp_client.sendmail(SENDER_ADDRESS, RECIEVER_ADDRESSES, msg.as_string())
          smtp_client.quit()
          
      except Exception, err:
          return map(str, err)
  
      return 'sent!'
      
      
  if os.name == 'nt':
      # for local
      run(host='0.0.0.0', port=8080, debug=True)
  else:
      # for production
      run(server='cgi')
subject: delete package dependent `jinja2`