158 lines
4.5 KiB
Python
158 lines
4.5 KiB
Python
import urllib.request
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import os
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import re
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import json
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import jinja2
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STATIC_FOLDER_PATH = './static' # without trailing slash
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WRAPPING_TEMPLATES_DIR = './wrapping-templates'
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def API_request(url, pagename):
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"""
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url = API request url (string)
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data = { 'query':
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'pages' :
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pageid : {
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'links' : {
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'?' : '?'
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'title' : 'pagename'
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}
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}
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}
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}
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"""
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response = urllib.request.urlopen(url).read()
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data = json.loads(response)
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# Save response as JSON to be able to inspect API call
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json_file = f'{ STATIC_FOLDER_PATH }/{ pagename }.json'
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print('Saving JSON:', json_file)
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with open(json_file, 'w') as out:
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out.write(json.dumps(data, indent=4))
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out.close()
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return data
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def download_media(html, images, wiki):
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"""
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html = string (HTML)
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images = list of filenames (str)
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"""
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# check if 'images/' already exists
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if not os.path.exists(f'{ STATIC_FOLDER_PATH }/images'):
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os.makedirs(f'{ STATIC_FOLDER_PATH }/images')
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# download media files
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for filename in images:
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filename = filename.replace(' ', '_') # safe filenames
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# check if the image is already downloaded
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# if not, then download the file
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if not os.path.isfile(f'{ STATIC_FOLDER_PATH }/images/{ filename }'):
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# first we search for the full filename of the image
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url = f'{ wiki }/api.php?action=query&list=allimages&aifrom={ filename }&format=json'
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response = urllib.request.urlopen(url).read()
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data = json.loads(response)
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# we select the first search result
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# (assuming that this is the image we are looking for)
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image = data['query']['allimages'][0]
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# then we download the image
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image_url = image['url']
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image_filename = image['name']
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print('Downloading:', image_filename)
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image_response = urllib.request.urlopen(image_url).read()
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# and we save it as a file
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image_path = f'{ STATIC_FOLDER_PATH }/images/{ image_filename }'
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out = open(image_path, 'wb')
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out.write(image_response)
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out.close()
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import time
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time.sleep(3) # do not overload the server
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# replace src link
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image_path = f'/{ STATIC_FOLDER_PATH }/images/{ filename }' # here the images need to link to the / of the domain, for flask :/// confusing! this breaks the whole idea to still be able to make a local copy of the file
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html = re.sub(rf'src="/book/images/.*{ filename }"', f'src="{ image_path }"', html)
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return html
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def clean_up(html):
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"""
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html = string (HTML)
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"""
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html = re.sub(r'\[.*edit.*\]', '', html) # remove the [edit]
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html = re.sub(r'href="/book/index.php\?title=', 'href="#', html) # remove the internal wiki links
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return html
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def parse_page(pagename, wiki):
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"""
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pagename = string
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html = string (HTML)
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"""
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parse = f'{ wiki }/api.php?action=parse&page={ pagename }&pst=True&format=json'
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data = API_request(parse, pagename)
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# print(json.dumps(data, indent=4))
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if 'parse' in data:
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html = data['parse']['text']['*']
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images = data['parse']['images']
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html = download_media(html, images, wiki)
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html = clean_up(html)
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else:
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html = None
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return html
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def save(html, pagename, publication_unfolded):
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"""
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html = string (HTML)
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pagename = string
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"""
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if html:
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# save final page that will be used with PagedJS
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template_file = open(f'{ STATIC_FOLDER_PATH }/{ WRAPPING_TEMPLATES_DIR }/template.html').read()
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template = jinja2.Template(template_file)
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html = template.render(publication_unfolded=publication_unfolded, title=pagename)
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html_file = f'{ STATIC_FOLDER_PATH }/{ pagename }.html'
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print('Saving HTML:', html_file)
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with open(html_file, 'w') as out:
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out.write(html)
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out.close()
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# save extra html page for debugging
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template_file = open(f'{ STATIC_FOLDER_PATH }/{ WRAPPING_TEMPLATES_DIR }/template.inspect.html').read()
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template = jinja2.Template(template_file)
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html = template.render(publication_unfolded=publication_unfolded, title=pagename)
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html_file = f'{ STATIC_FOLDER_PATH }/{ pagename }.inspect.html'
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print('Saving HTML:', html_file)
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with open(html_file, 'w') as out:
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out.write(html)
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out.close()
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def update_material_now(pagename, wiki):
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"""
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pagename = string
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publication_unfolded = string (HTML)
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"""
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publication_unfolded = parse_page(pagename, wiki)
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return publication_unfolded
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# ---
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if __name__ == "__main__":
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wiki = 'https://possiblebodies.constantvzw.org/book' # remove tail slash '/'
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pagename = 'Unfolded'
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publication_unfolded = update_material_now(pagename, wiki) # download the latest version of the page
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save(publication_unfolded, pagename, publication_unfolded) # save the page to file
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