FileCli.py

#!/usr/bin/env python

"""
FileCli
"""

import sys, os

class FileOperation():

    def __init__(self, filename):
        self.file = filename

    # Create file
    def create_file(self):
        try:
            self.f = open(self.file, 'w')
        finally:
            self.f.close()

    # Delete file
    def delete_file(self):
        os.remove(self.file)

    # Read file
    def read_file(self):
        try:
            self.f = open(self.file, 'r')
            r = self.f.read()
        finally:
            self.f.close()
            print(r)

    # Write to file
    def write_to_file(self, content):
        try:
            self.f = open(self.file, 'w')
            self.f.write(content)
        finally:
            self.f.close()

    # Append to file
    def append_to_file(self, content):
        try:
            self.f = open(self.file, 'a')
            self.f.write(content)
        finally:
            self.f.close()

    # Make writeable
    def make_writable(self):
        try:
            os.chmod(self.file, 655)
        finally:
            print '%s is now writable' % self.file


class FileCli():

    def __init__(self):

        # Init vars
        if len(sys.argv) > 1:
            self.action = sys.argv[1]
            self.file = sys.argv[2]

            # Init message
            print "Working with: %s" % self.file
            print "Action: %s" % self.action

            # Init FileOperation
            operation = FileOperation(self.file)

            if self.action == 'create':
                operation.create_file()

            elif self.action == 'delete':
                operation.delete_file()

            elif self.action == 'read':
                operation.read_file()

            elif self.action == 'write':
                operation.write_to_file(sys.argv[3])

            elif self.action == 'append':
                operation.append_to_file(sys.argv[3])

            elif self.action == 'writable':
                operation.make_writable()

            else:
                self.help()

        else:
            self.help()

    # help
    def help(self):
        print ''
        print '---------- help ----------'
        print 'Functions: create, delete, read, write, append, writable.'
        print 'Usage: $ python FileCli.py [function] [filepath] [content (write, append)]'
        print '--------------------------'
        print ''

usage.py

# New instance
f = FileCli()

# Functions: create, delete, read, write, append, writable.
# Usage: $ python files.py [function] [filepath] [content (write, append)]