# encoding=utf8

"""set default encoding format"""

from __future__ import print_function

from __future__ import absolute_import

from future.standard_library import install_aliases

install_aliases()

import os

import sys

import urllib.request

GITHUB_API = 'https://api.github.com/'

API_TOKEN = os.environ.get('GITHUB_TOKEN')

# UTILITY FUNCTIONS

# EXCEPTION

def exception():

"""runs everytime an exception is caught"""

print("Enter a valid URL. For help, type 'cli-github -h'")

sys.exit(0)

# URL PARSING

def url_parse(name):

"""parse urls with different prefixes"""

position = name.find("github.com")

if position >= 0:

if position != 0:

position_1 = name.find("www.github.com")

position_2 = name.find("http://github.com")

position_3 = name.find("https://github.com")

if position_1*position_2*position_3 != 0:

exception()

sys.exit(0)

name = name[position+11:]

if name.endswith('/'):

name = name[:-1]

return name

else:

if name.endswith('/'):

name = name[:-1]

return name

# GET TO OBTAIN JSON

def get_req(url):

"""simple get request"""

request = urllib.request.Request(url)

request.add_header('Authorization', 'token %s' % API_TOKEN)

try:

response = urllib.request.urlopen(request).read().decode('utf-8')

return response

except urllib.error.HTTPError:

exception()

sys.exit(0)

# RETURNS 302

def geturl_req(url):

"""get request that returns 302"""

request = urllib.request.Request(url)

request.add_header('Authorization', 'token %s' % API_TOKEN)

try:

response_url = urllib.request.urlopen(request).geturl()

return response_url

except urllib.error.HTTPError:

exception()

sys.exit(0)