Myron's Dev Notes

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Python Notes

Docs

• https://docs.python.org/3.7/index.html
• Python3 Tutorial
• Types
• Standard Lib
• TutorialsPoint
• W3Schools Python

Paths

print "\n".join(sys.path)

get IP

hostname -I
python -c "import socket; s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM); s.connect(('8.8.8.8', 80)); print(s.getsockname()[0]); s.close()"

Open

• https://docs.python.org/3/library/functions.html#open
• https://docs.python.org/2.7/library/functions.html#open
• https://docs.python.org/2.7/library/stdtypes.html#bltin-file-objects

version 3

with open('spamspam.txt', 'w', opener=opener) as f:
    print('This will be written to somedir/spamspam.txt', file=f)

version 2.7

with open("hello.txt") as f:
    for line in f:
        print line,

Read/Write Excel files

• openpyxl