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scrape.py
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scrape.py
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import re
import os
import sys
from getpass import *
from mechanize import Browser
from bs4 import BeautifulSoup
"""
This program downloads scpd videos for a given class in the order
that they happened as a wmv, then converts them to a mp4. Each time
the script is run, it will update to download all of the undownloaded
videos.
This script is modified from the one by Ben Newhouse (https://github.com/newhouseb).
Unfortunately, there are lots of dependencies to get it up and running
1. Handbrake CLI, for converting to mp4: http://handbrake.fr/downloads2.php
2. BeautifulSoup for parsing: http://www.crummy.com/software/BeautifulSoup/
3. Mechanize for emulating a browser, http://wwwsearch.sourceforge.net/mechanize/
To run:
Change to your username
When prompted, type your password
Usage: python scrape.py "Interactive Computer Graphics"
The way I use it is to keep a folder of videos, and once I have watched them, move them
into a subfolder called watched. So it also wont redowload files that are in a subfolder
called watched.
"""
def _file_exists(file):
return os.path.isfile(file)
def _first_line_to_back_of_file(list_to_reorder, file):
course_to_download = list_to_reorder.pop(0)
f = open(file, 'w')
f.writelines(list_to_reorder)
f.write(course_to_download)
f.close()
return course_to_download
def _file_to_list(file, no_new_line=False):
f = open(file, 'r')
n_list = f.readlines()
f.close()
if no_new_line:
tmp_list = []
for line in n_list:
tmp_list.append(_remove_end_newline(line))
return tmp_list
return n_list
def _remove_end_newline(line):
return line.split('\n')[0]
def _append_line_to_file(file, line):
file_list = _file_to_list(file)
f = open(file, 'w')
f.writelines(file_list)
f.write("%s%s" %(line, '\n'))
f.close()
def download(work):
temp = "Not Implemented"
"""
# work[0] is url, work[1] is wmv, work[2] is mp4
class_name = re.search('(.*)_', work[2])
folder_name = "%s/%s" % (current_folder, class_name.group(1))
path_to_vid_mp4 = "%s/%s" % (folder_name, work[2])
path_to_vid_wmv = "%s/%s" % (folder_name, work[1])
if not os.path.exists(folder_name):
os.makedirs(folder_name)
downloaded_videos_path = "%s/%s" % (folder_name, "videos_downloaded.txt")
if not _file_exists(downloaded_videos_path):
f = open(downloaded_videos_path, 'w')
f.close()
#import pdb;pdb.set_trace()
downloaded_videos_list = _file_to_list(downloaded_videos_path, no_new_line=True)
global num_vids_already_downloaded
a = num_vids_already_downloaded
if work[2] in downloaded_videos_list or\
work[1] in downloaded_videos_list:
num_vids_already_downloaded = a + 1
print "Already downloaded", work[2]
return
elif os.path.exists("%s/%s" %(folder_name, work[2])) or\
os.path.exists("%s/%s/%s" %(folder_name, "watched", work[2])) or\
os.path.exists("%s/%s" %(folder_name, work[1])) or\
os.path.exists("%s/%s/%s" %(folder_name, "watched", work[1])):
num_vids_already_downloaded = a + 1
_append_line_to_file(downloaded_videos_path, work[2])
print "Already downloaded", work[2]
return
#Comment out this line and uncomment out the other copy of this line
#_append_line_to_file(downloaded_videos_path, work[2])
print "Starting", path_to_vid_wmv
#This is where the video gets put into the "Videos already Downloading" file
###Should make this into some sort of method because it's a common operation###
current_files_downloading_path = "%s/%s" %(current_folder, "current_files_downloading.txt")
if not _file_exists(current_files_downloading_path):
f = open(current_files_downloading_path, 'w')
f.close()
_append_line_to_file(current_files_downloading_path, path_to_vid_wmv)
os.system("mimms -c %s %s" % (work[0], path_to_vid_wmv))
convertToMp4(path_to_vid_wmv, path_to_vid_mp4)
_append_line_to_file(downloaded_videos_path, work[2])
###Need to make a "Remove line from file" function that removes a line from a file###
#if not _file_exists(current_files_downloading_path):
# f = open(current_files_downloading_path, 'w'):
# f.close()
#import pdb; pdb.set_trace()
new_current_files_downloading_list = []
current_files_downloading_list = _file_to_list(current_files_downloading_path, no_new_line=True)
for current_file in current_files_downloading_list:
if current_file != path_to_vid_wmv:
new_current_files_downloading_list.append("%s%s" %(current_file,'\n'))
f = open(current_files_downloading_path, 'w')
f.writelines(new_current_files_downloading_list)
f.close()
print "Finished", path_to_vid_wmv
"""
def begin_scraper():
br = Browser()
br.addheaders = [('User-agent', 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_8; rv:16:0) Gecko/20100101 Firefox/16.0')]
br.set_handle_robots(False)
br.open("https://wwws.mint.com/login.event")
assert br.viewing_html()
formcount=0
for f in br.forms():
if str(f.attrs["id"]) == "form-login":
break
formcount = formcount+1
br.select_form(nr=formcount)
br["username"] = "rhintz42@stanford.edu" #Put your username here
br["password"] = getpass()
#import pdb; pdb.set_trace()
# Submit the user credentials to login to mint
response = br.submit()
response = br.follow_link(text="Transactions")
links_to_transactions = br.links(text_regex="Export all \d+ transactions")
link = ""
for f in links_to_transactions:
link = f
response2 = br.follow_link(link)
text_file = open("transactions.csv", "w")
text_file.write(response2.read())
text_file.close()
#print response.read()
if __name__ == '__main__':
begin_scraper()