<commit_before>from flask import Flask, render_template, flash, url_for, request, redirect, abort
from flask import send_from_directory, safe_join, json
from werkzeug.utils import secure_filename
from hashlib import sha1
from pdfminer.pdfinterp import PDFResourceManager, PDFPageInterpreter
from pdfminer.converter import TextConverter
from pdfminer.layout import LAParams
from pdfminer.pdfpage import PDFPage
from pdfminer.pdfparser import PDFSyntaxError
from cStringIO import StringIO
from readability import ParserClient
from urlparse import urlparse
from bs4 import BeautifulSoup

import re, sys, os, base64, hmac, urllib, time
import HTMLParser, requests
reload(sys)
sys.setdefaultencoding("utf-8")

application = Flask(__name__)
application.debug = True
application.secret_key = <KEY>'

UPLOAD_FOLDER = 'tmp/'
ALLOWED_EXTENSIONS = set(['txt', 'pdf'])
application.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
application.config['MAX_CONTENT_LENGTH'] = 5 * 1024 * 1024
READABILITY_TOKEN = 'd5<PASSWORD>'

ERROR_400 = 'Invalid file for parsing'
ERROR_404 = 'This page does not exist'
ERROR_500 = 'File doesn\'t exist any more'

####################################################### 

def convert_pdf_to_txt(path):
	rsrcmgr = PDFResourceManager()
	retstr = StringIO()
	codec = 'utf-8'
	laparams = LAParams()
	device = TextConverter(rsrcmgr, retstr, codec=codec, laparams=laparams)
	fp = file(path, 'rb')
	interpreter = PDFPageInterpreter(rsrcmgr, device)
	password = ""
	maxpages = 0
	caching = True
	pagenos=set()
	for page in PDFPage.get_pages(fp, pagenos, maxpages=maxpages, password=password,caching=caching, check_extractable=True):
		interpreter.process_page(page)
	fp.close()
	device.close()
	str = retstr.getvalue()
	retstr.close()
	return str

def allowed_file(filename):
	return '.' in filename and filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS

#######################################################

@application.errorhandler(400)
def PDF_not_found(error):
	return render_template('spritz.html', text=ERROR_400, error=400)

@application.errorhandler(404)
def page_not_found(error):
	return render_template('spritz.html', text=ERROR_404, error=404)

@application.errorhandler(500)
def special_exception_handler(error):
	return render_template('spritz.html', text=ERROR_500, error=500)
	
@application.route('/spritz/login_success')
def spritz_login():
	return render_template('login_success.html')

@application.route('/sign_s3/')
def sign_s3():
	AWS_ACCESS_KEY = os.environ.get('AWS_ACCESS_KEY_ID')
	AWS_SECRET_KEY = os.environ.get('AWS_SECRET_ACCESS_KEY')
	S3_BUCKET = os.environ.get('S3_BUCKET')

	object_name = request.args.get('s3_object_name')
	mime_type = request.args.get('s3_object_type')

	expires = int(time.time()+10)
	amz_headers = "x-amz-acl:public-read"

	put_request = "PUT\n\n%s\n%d\n%s\n/%s/%s" % (mime_type, expires, amz_headers, S3_BUCKET, object_name)

	signature = base64.encodestring(hmac.new(AWS_SECRET_KEY, put_request, sha1).digest())
	signature = urllib.quote_plus(signature.strip())

	url = 'https://%s.s3.amazonaws.com/%s' % (S3_BUCKET, object_name)

	return json.dumps({
		'signed_request': '%s?AWSAccessKeyId=%s&Expires=%d&Signature=%s' % (url, AWS_ACCESS_KEY, expires, signature),
		 'url': url
	  })

#######################################################

def PDFhelper(url):
	try:
		s = convert_pdf_to_txt(url)
		s = re.sub(r'\s+', ' ', s)
		s = s.replace('!', '')
		s = HTMLParser.HTMLParser().unescape(s)
		return s

	except IOError as e:
		abort(400)
		return

	except PDFSyntaxError as e:
		abort(400)
		return

def TXThelper(url):
	try:
		fp = open(url, 'r')
		s = fp.read(application.config['MAX_CONTENT_LENGTH'])
		s = s.encode('unicode-escape').decode()
		s = re.sub(r'\s+', ' ', s)
		# print s
		return s<commit_msg>errorhandling<commit_after>from flask import Flask, render_template, flash, url_for, request, redirect, abort
from flask import send_from_directory, safe_join, json
from werkzeug.utils import secure_filename
from hashlib import sha1
from pdfminer.pdfinterp import PDFResourceManager, PDFPageInterpreter
from pdfminer.converter import TextConverter
from pdfminer.layout import LAParams
from pdfminer.pdfpage import PDFPage
from pdfminer.pdfparser import PDFSyntaxError
from cStringIO import StringIO
from readability import ParserClient
from urlparse import urlparse
from bs4 import BeautifulSoup

import re, sys, os, base64, hmac, urllib, time
import HTMLParser, requests
reload(sys)
sys.setdefaultencoding("utf-8")

application = Flask(__name__)
application.debug = True
application.secret_key = <KEY>'

UPLOAD_FOLDER = 'tmp/'
ALLOWED_EXTENSIONS = set(['txt', 'pdf'])
application.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
application.config['MAX_CONTENT_LENGTH'] = 5 * 1024 * 1024
READABILITY_TOKEN = '<PASSWORD>'

ERROR_400 = 'Invalid file for parsing'
ERROR_404 = 'This page does not exist'
ERROR_500 = 'File doesn\'t exist any more'

####################################################### 

def convert_pdf_to_txt(path):
	rsrcmgr = PDFResourceManager()
	retstr = StringIO()
	codec = 'utf-8'
	laparams = LAParams()
	device = TextConverter(rsrcmgr, retstr, codec=codec, laparams=laparams)
	fp = file(path, 'rb')
	interpreter = PDFPageInterpreter(rsrcmgr, device)
	password = ""
	maxpages = 0
	caching = True
	pagenos=set()
	for page in PDFPage.get_pages(fp, pagenos, maxpages=maxpages, password=password,caching=caching, check_extractable=True):
		interpreter.process_page(page)
	fp.close()
	device.close()
	str = retstr.getvalue()
	retstr.close()
	return str

def allowed_file(filename):
	return '.' in filename and filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS

#######################################################

@application.errorhandler(400)
def PDF_not_found(error):
	return render_template('spritz.html', text=ERROR_400, error=400)

@application.errorhandler(404)
def page_not_found(error):
	return render_template('spritz.html', text=ERROR_404, error=404)

@application.errorhandler(500)
def special_exception_handler(error):
	return render_template('spritz.html', text=ERROR_500, error=500)
	
@application.route('/spritz/login_success')
def spritz_login():
	return render_template('login_success.html')

@application.route('/sign_s3/')
def sign_s3():
	AWS_ACCESS_KEY = os.environ.get('AWS_ACCESS_KEY_ID')
	AWS_SECRET_KEY = os.environ.get('AWS_SECRET_ACCESS_KEY')
	S3_BUCKET = os.environ.get('S3_BUCKET')

	object_name = request.args.get('s3_object_name')
	mime_type = request.args.get('s3_object_type')

	expires = int(time.time()+10)
	amz_headers = "x-amz-acl:public-read"

	put_request = "PUT\n\n%s\n%d\n%s\n/%s/%s" % (mime_type, expires, amz_headers, S3_BUCKET, object_name)

	signature = base64.encodestring(hmac.new(AWS_SECRET_KEY, put_request, sha1).digest())
	signature = urllib.quote_plus(signature.strip())

	url = 'https://%s.s3.amazonaws.com/%s' % (S3_BUCKET, object_name)

	return json.dumps({
		'signed_request': '%s?AWSAccessKeyId=%s&Expires=%d&Signature=%s' % (url, AWS_ACCESS_KEY, expires, signature),
		 'url': url
	  })

#######################################################

def PDFhelper(url):
	try:
		s = convert_pdf_to_txt(url)
		s = re.sub(r'\s+', ' ', s)
		s = s.replace('!', '')
		s = HTMLParser.HTMLParser().unescape(s)
		return s

	except:
		abort(400)
		return

def TXThelper(url):
	try:
		fp = open(url, 'r')
		s = fp.read(application.config['MAX_CONTENT_LENGTH'])
		s = s.encode('unicode-escape').decode()
		s = re.sub(r'\s+', ' ', s)
		# print s
		return s
{'fraction_non_alphanumeric': 0.16926770708283315, 'fraction_numerical': 0.019474456449246367, 'mean_word_length': 6.307992202729045, 'pattern_counts': {'":': 0, '<': 7, '<?xml version=': 0, '>': 7, 'https://': 2, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '2703358', 'n_tokens_mistral': 2779, 'n_tokens_neox': 2665, 'n_words': 542}