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#!/usr/bin/env python
"""
http://www.osec.doc.gov/webresources/accessibility/RuleEF.htm
"""
import os
import md5
import argparse
import json
from flask import Flask, render_template, send_from_directory, request, \
url_for, abort, flash, session, g, redirect
app = Flask(__name__)
app.config.from_object(__name__)
archives = {
'aaaaarg': dict(radius=84, center=[256, 256]),
'libgen': dict(radius=516, center=[636, 636]),
}
# this gets populated in main()
md5_lists = {
'libgen': [],
'aaaaarg': [],
'aaaaarg+libgen': [],
}
# this also populated in main()
aaaaarg_ids = dict()
def which_archives(coords):
valid = []
for name, v in archives.iteritems():
distance2 = (v['center'][0]-coords[0])**2 + \
(v['center'][1]-coords[1])**2
if distance2 < v['radius']**2:
valid.append(name)
return valid
def aaaaarg_direct_url(md5sum):
idnum = aaaaarg_ids[md5sum]
while len(idnum) < 6:
idnum = '0' + idnum
print idnum
return "http://books.2012.haip.cc.kiberpipa.net/datastore/books/marcell/aaarg/data/%s/%s.pdf" % (idnum[:3], idnum)
def libgen_direct_url(md5sum):
return "http://libgen.org/get?nametype=md5&md5=%s" % md5sum
def closest_md5(key, l):
"""Takes a hash and a sorted list of hashes, tries to return the closest
book to that hash
"""
if len(l) == 1:
return l[0]
middle = l[len(l)/2]
if middle == key:
return middle
if middle > key:
return closest_md5(key, l[:len(l)/2])
else:
return closest_md5(key, l[len(l)/2:])
def find_book(coords, archives):
if len(archives) == 0:
return None
lname = '+'.join(sorted(archives))
md5want = md5.md5(','.join(map(str,coords))).hexdigest().upper()
md5got = closest_md5(md5want, md5_lists[lname])
print "wanted: %s" % md5want
print "got: %s" % md5got
if 'libgen' in archives:
# prefer to do libgen links
return dict(url=libgen_direct_url(md5got), md5sum=md5got)
elif 'aaaaarg' in archives:
return dict(url=aaaaarg_direct_url(md5got), md5sum=md5got)
else:
raise Exception("Don't know how to find URL for: %s" % archives)
return None
@app.route('/', methods=['GET'])
def homepage():
return render_template('home.html')
@app.route('/book/', methods=['GET'])
def bookpage():
coords = []
for k in request.args.keys():
try:
coords = map(int, k.split(','))
assert len(coords) == 2
break
except Exception:
coords = []
print coords
archives = which_archives(coords)
print archives
book = find_book(coords, archives)
print book
if book and True:
# just temporary redirect...
return redirect(book['url'])
return render_template('book.html', book=book)
@app.route('/favicon.ico', methods=['GET'])
def favicon():
""" Simple static redirect """
return send_from_directory(os.path.join(app.root_path, 'static'),
'favicon.ico',
mimetype='image/vnd.microsoft.icon')
@app.route('/robots.txt', methods=['GET'])
def robots():
""" "Just in case?" """
return send_from_directory(os.path.join(app.root_path, 'static'),
'robots.txt',
mimetype='text/plain')
#############################################################################
def main():
"""Primary entry-point for torouterui.
"""
parser = argparse.ArgumentParser()
parser.add_argument('--debug',
action='store_true',
help="enable debugging interface")
parser.add_argument('--host',
default="127.0.0.1",
help="listen on this host/IP")
parser.add_argument('--port',
type=int,
default=5050,
help="listen on this port")
args = parser.parse_args()
with open('libgen_only.md5','r') as f:
md5_lists['libgen'] = map(lambda s: s.strip(), f.readlines())
#with open('aaaaarg_only.md5','r') as f:
with open('aaaaarg_only_partial.md5','r') as f:
md5_lists['aaaaarg'] = map(lambda s: s.strip(), f.readlines())
with open('both.md5','r') as f:
md5_lists['aaaaarg+libgen'] = map(lambda s: s.strip(), f.readlines())
with open('aaaaarg.json','r') as f:
bigs = ''.join(f.readlines())
bigj = json.loads(bigs)
for k, v in bigj.iteritems():
aaaaarg_ids[v] = k
# garbage collect plz?
bigs = None
bigj = None
f.close()
app.run(debug=args.debug, host=args.host, port=args.port)
if __name__ == '__main__':
main()
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