ritchie-xl/Python-Notes

the python code needed for sending email, get file from ftp server, etc

Welcome to the Python-Notes wiki!

Here are some python programming notes I made when dealing with some interesting situations in programming.

Enjoy!

Email

1. Package: smtplib
2. References:
   • Using Python to Send Email
   • Python Email Examples

SFTP Service

1. Package: pysftp
2. References:
   • Pysftp homepage
   • Pysftp documentation

Exception Handling

1. Python Handling Exception
2. Example:

(x,y) = (5,0)
try:
   z=x/y
except ZeroDivisionError:
   print "divide by zero"

Task Scheduling

1. Package/Tool: crontab
2. References:
   • Cron Wikipedia
   • Crontab Quick-Reference
3. Example:

minute(0-59) hour(0-23) day(1-31) month(1-12) weekday(0-6) command

MD5 Check

1. Package/Tool: md5sum or hashlib.md5()
2. References:
   • Generating a MD5 for file in Python
3. Example:
   • md5sum:

   md5sum file

   • hashlib.md5():

   hashlib.md5(open(file,'r').read()).hexdigest() 

PGP Encrption/Decryption

1. Package/Tool: gnupg
2. References:
   • GnuPG Homepage
   • GnuPG Documentation
   • Best Guide to PGP On Linux