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| import uuid | |
| from os.path import exists | |
| from bs4 import BeautifulSoup | |
| import requests | |
| ''' | |
| - Error handing | |
| - Look if alternative to main tag is needed. Provide error message if main tag is not found. | |
| - Menus are li tags with a tags within. | |
| - li tags with text and tags should be exported | |
| - Find divs that have text or p tags maybe other tags like divs | |
| - Export the text | |
| ''' | |
| def get_url_content( url ): | |
| file_path = 'page-content/' + uuid.uuid5( uuid.NAMESPACE_URL, url ).hex + '.txt' | |
| if exists( file_path ): | |
| with open( file_path, 'r' ) as file_content: | |
| content = file_content.read() | |
| else: | |
| try: | |
| content = extract_content( url ) | |
| except Exception as exception: | |
| raise exception | |
| with open( file_path, 'w' ) as file: | |
| file.write( content.strip() ) | |
| return content | |
| def extract_content( url ): | |
| try : | |
| soup = get_soup( url ) | |
| except Exception as exception: | |
| raise exception | |
| if soup is None: | |
| raise Exception('No HTML content found.') | |
| content = get_main_content( soup ) | |
| if content is None : | |
| raise Exception('No main content found.') | |
| text = get_tags_text( content ) | |
| if text is None : | |
| raise Exception('No text found.') | |
| return text | |
| # Make request and get html content. | |
| def get_soup( url ): | |
| file_path = 'web-pages/' + uuid.uuid5( uuid.NAMESPACE_URL, url ).hex + '.html' | |
| print(file_path) | |
| if exists( file_path ): | |
| with open( file_path, 'r' ) as web_page: | |
| html = web_page.read() | |
| else: | |
| headers = {'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.74 Safari/537.36'} | |
| response = requests.get( url, headers=headers ) | |
| response.raise_for_status() | |
| if not response.text: | |
| raise Exception('HTML empty.') | |
| html = response.text | |
| with open( file_path, 'w' ) as file: | |
| file.write( html ) | |
| return BeautifulSoup(html, 'html.parser') | |
| def get_main_content( soup ): | |
| content = soup.find( "div", { "class": "post-body" } ) | |
| if content is not None: | |
| print('Has .post-body class.') | |
| return content | |
| content = soup.find( "div", { "class": "article-content" } ) | |
| if content is not None: | |
| print('Has .article-content class.') | |
| return content | |
| content = soup.find( "div", { "class": "entry-content" } ) | |
| if content is not None: | |
| print('Has .entry-content class.') | |
| return content | |
| content = soup.find( "div", { "class": "region--content" } ) | |
| if content is not None: | |
| print('Has .region--content class.') | |
| return content | |
| content = soup.find( "div", { "class": "article" } ) | |
| if content is not None: | |
| print('Has .article class.') | |
| return content | |
| content = soup.find( "div", { "class": "article-inner_html" } ) | |
| if content is not None: | |
| print('Has .article-inner_html class.') | |
| return content | |
| content = soup.find( "div", { "id": "bmdDetail-Content" } ) | |
| if content is not None: | |
| print('Has .bmdDetail-Content id.') | |
| return content | |
| content = soup.find( "div", { "id": "main" } ) | |
| if content is not None: | |
| print('Has .bmdDetail-Content id.') | |
| return content | |
| content = soup.main | |
| if content is not None: | |
| print('Has main tag.') | |
| return content | |
| content = soup.find( "article" ) | |
| if content is not None: | |
| print('Has article tag.') | |
| return content | |
| return None | |
| def get_tags_text( soup ): | |
| text = '' | |
| tags = soup.find_all( find_direct_text ) | |
| for tag in tags: | |
| if tag.name == 'div' and tag.find( text=True, recursive=False ) : | |
| for div in tag.find_all(text=True, recursive=False): | |
| text += div.get_text().strip() + ' ' | |
| else : | |
| text += tag.get_text().strip() + ' ' | |
| return text | |
| # -------------------------------------- # | |
| # Extract content from main tag. | |
| def get_main( soup ): | |
| return soup.main | |
| def get_deepest_divs( tag ): | |
| # Get all the divs from within a tag. | |
| return [div for div in tag.findAll('div') if not div.find('div')] | |
| def get_tag_text( tags ): | |
| text = '' | |
| for tag in tags: | |
| print(tag.find_all('li')) | |
| # text += [p.get_text() for p in tag.find_all('p)] | |
| return text | |
| def get_list_text( tags ): | |
| list_items = [] | |
| for tag in tags: | |
| list_items = tag.find_all(find_direct_text) | |
| return list_items | |
| def find_direct_text( tag ): | |
| return tag.name == 'li' or tag.name == 'p' or tag.name == 'h2' or tag.name == 'h3' or tag.name == 'span' or find_div_text( tag ) | |
| def find_div_text( tag ): | |
| return tag.name == 'div' or tag.find( text=True, recursive=False ) and tag.find( text=True, recursive=False ).strip() | |
| if __name__ == '__main__': | |
| url = 'https://www.cms.gov/Medicare/Billing/ElectronicBillingEDITrans' | |
| print(extract_content(url)) | |