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FileController.py
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FileController.py
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import json
import os
class FileController:
links = {}
def __init__(self):
self.filename = 'links.json'
FileController.links = FileController.links
def process_json(self):
"""
Processes the json file as a python dictionary for O(1) lookup
"""
if os.path.isfile(self.filename):
links_file = open(self.filename).read()
FileController.links = json.loads(links_file)
else:
open(self.filename, 'w')
FileController.links = {}
def print_uploads(self):
"""
Prints each video title that has been uploaded
"""
self.process_json()
print 'Uploaded videos:'
for title in FileController.links:
print title
def return_link(self, title):
"""
Returns the link that is mapped from the passed in title
Return None if the title is NOT in the dictionary
Args:
title: a string that represents the desired video title
"""
if title in FileController.links:
return 'https://www.youtube.com/watch?' + FileController.links[title]
return None
def write_link(self, name, link):
"""
Writes a video filename and link to the file associated
with this object
Args:
name: A string representing the file name
link: A string representing the youtube link
"""
FileController.links[name] = link
with open(self.filename, 'w') as fp:
json.dump(FileController.links, fp)
def remove_link(self, title):
"""
Removes the specified video from the json file and dict
Args:
title: The title string
"""
if title in FileController.links:
del FileController.links[title]
print 'Removed ' + title
else:
print title + ' not found'
def clear_links(self):
"""
Clears everything in the json and dict
"""
FileController.links = {}
with open(self.filename, 'w') as fp:
json.dump(FileController.links, fp)