<commit_before>from lxml import html
from urllib import urlencode, unquote
from urlparse import urlparse, urljoin
from lxml.etree import _ElementStringResult
from searx.utils import html_to_text

search_url = None
url_xpath = None
content_xpath = None
title_xpath = None
suggestion_xpath = ''
results_xpath = ''


'''
if xpath_results is list, extract the text from each result and concat the list
if xpath_results is a xml element, extract all the text node from it
   ( text_content() method from lxml )
if xpath_results is a string element, then it's already done
'''


def extract_text(xpath_results):
    if type(xpath_results) == list:
        # it's list of result : concat everything using recursive call
        if not len(xpath_results):
            raise Exception('Empty url resultset')
        result = ''
        for e in xpath_results:
            result = result + extract_text(e)
        return result
    elif type(xpath_results) == _ElementStringResult:
        # it's a string
        return ''.join(xpath_results)
    else:
        # it's a element
        return html_to_text(xpath_results.text_content())


def extract_url(xpath_results):
    url = extract_text(xpath_results)

    if url.startswith('//'):
        # add http or https to this kind of url //example.com/
        parsed_search_url = urlparse(search_url)
        url = parsed_search_url.scheme+url
    elif url.startswith('/'):
        # fix relative url to the search engine
        url = urljoin(search_url, url)

    # normalize url
    url = normalize_url(url)

    return url


def normalize_url(url):
    parsed_url = urlparse(url)
<commit_msg>[enh] importable url extractor<commit_after>from lxml import html
from urllib import urlencode, unquote
from urlparse import urlparse, urljoin
from lxml.etree import _ElementStringResult
from searx.utils import html_to_text

search_url = None
url_xpath = None
content_xpath = None
title_xpath = None
suggestion_xpath = ''
results_xpath = ''


'''
if xpath_results is list, extract the text from each result and concat the list
if xpath_results is a xml element, extract all the text node from it
   ( text_content() method from lxml )
if xpath_results is a string element, then it's already done
'''


def extract_text(xpath_results):
    if type(xpath_results) == list:
        # it's list of result : concat everything using recursive call
        if not len(xpath_results):
            raise Exception('Empty url resultset')
        result = ''
        for e in xpath_results:
            result = result + extract_text(e)
        return result
    elif type(xpath_results) == _ElementStringResult:
        # it's a string
        return ''.join(xpath_results)
    else:
        # it's a element
        return html_to_text(xpath_results.text_content())


def extract_url(xpath_results, search_url=search_url):
    url = extract_text(xpath_results)

    if url.startswith('//'):
        # add http or https to this kind of url //example.com/
        parsed_search_url = urlparse(search_url)
        url = parsed_search_url.scheme+url
    elif url.startswith('/'):
        # fix relative url to the search engine
        url = urljoin(search_url, url)

    # normalize url
    url = normalize_url(url)

    return url


def normalize_url(url):
    parsed_url = urlparse(url)

{'fraction_non_alphanumeric': 0.07604103802051901, 'fraction_numerical': 0.0, 'mean_word_length': 3.1593475533249684, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 8}, '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': '1422524', 'n_tokens_mistral': 1012, 'n_tokens_neox': 982, 'n_words': 324}