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r = requests.get(file_url)
size = int(r.headers['Content-Length'].strip())
self.bytes = 0
widgets = [name, ": ", Bar(marker="|", left="[", right=" "),
    Percentage(), " ",  FileTransferSpeed(), "] ",
    self,
    " of {0}MB".format(str(round(size / 1024 / 1024, 2))[:4])]
pbar = ProgressBar(widgets=widgets, maxval=size).start()
file = []
for buf in r.iter_content(1024):

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import requests
from io import BytesIO
import progressbar

class CancelledError(Exception):
    def __init__(self, msg):
        self.msg = msg
        Exception.__init__(self, msg)

    def __str__(self):

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# colafile downloader

import re
import sys
import requests

s = requests.session()
ids = []
if len(sys.argv) < 2:
	# print usage

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#!/usr/bin/python
#coding=utf-8

import urllib2
import sys
import re
import bs4
import os
import time

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#!/usr/bin/python
#coding=utf-8

import urllib2
import sys,os
from bs4 import BeautifulSoup
import re 
import time
def etymology(key):
    page = urllib2.urlopen("http://www.etymonline.com/index.php?term=" + key).read().decode("utf-8")

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#!/usr/bin/python
#coding=utf-8

import urllib2
import re
import sys
from bs4 import BeautifulSoup

def get_context(key):
    ret = urllib2.urlopen('http://www.merriam-webster.com/dictionary/%s' % key).read().decode("utf-8")

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from pyPdf import PdfFileWriter, PdfFileReader
import sys
def generate_page_list(n):
    print n,'pages'
    foo = []
    flag1 = n % 2
    # if n is an odd number, page n+1 is a BlankPage
    if flag1 == 1:
        n += 1
    

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#coding=utf-8
import os
import json
import sys
import re
from baidupcsapi import PCS
import progressbar

CWD = os.getcwd()
DIR_INFO = {}

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import json
from baidupcsapi import PCS

pcs = PCS('username','password')

def walk(path, tabs=0):
    print '\t'*tabs+path
    files = json.loads(pcs.list_files(path).content)['list']
    for file in files:
        if file['isdir'] == 1:

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import json
from baidupcsapi import PCS

pcs = PCS('u','p')

folders = set()

def get_folder(path):
    print '* found',path
    files = json.loads(pcs.list_files(path).content)['list']