Add generate_headers script

generate_headers.py

+from PIL import Image, ImageDraw, ImageFont
+import textwrap as tr
+import json
+import os
+
+if __name__ == '__main__':
+
+	dir_list = os.listdir()
+
+	for directory in dir_list:
+		try:
+			with open(directory + '/metainfo.json', 'r') as f:
+			    file=f.read()
+			metadata = json.loads(file)
+			title = metadata['title']
+			authors = metadata['authors']
+			update = metadata['updated']
+
+			title_lines = tr.wrap(title, width=35)
+			title='\n'.join(title_lines)
+			update = 'Last update: ' + update
+			authors_list = ''	
+			for author in authors: 
+			    first_name = author.replace(',','').split()[1] 
+			    last_name = author.replace(',','').split()[0]
+			    authors_list = authors_list + first_name + ' ' + last_name
+			    if authors.index(author) < len(authors) -2 :
+			        authors_list = authors_list + ', '
+			    else:
+			        if authors.index(author) == len(authors) -2 :
+			            authors_list = authors_list + ' and '
+			authors_lines = tr.wrap(authors_list, width=60)
+			authors = '\n'.join(authors_lines)
+
+			header = Image.open('files/AIT_bg_title.jpg')
+
+			draw = ImageDraw.Draw(header)
+			font_title = ImageFont.truetype ('files/Titillium/TitilliumWeb-Bold.ttf', 100)
+			font_authors = ImageFont.truetype ('files/Titillium/TitilliumWeb-Italic.ttf', 60)
+			font_update = ImageFont.truetype ('files/Titillium/TitilliumWeb-Regular.ttf', 50)
+			draw.multiline_text((250,100), title, fill='white', font=font_title)
+			draw.multiline_text((250,600), authors, fill='white', font=font_authors)
+			draw.multiline_text((250,950), update, fill='white', font=font_update)
+
+			list_words_dir = directory.replace('-',' ').split()[1:]
+			tutorial_name = list_words_dir[0]
+			for word in list_words_dir[1:]:
+				tutorial_name = tutorial_name + '_' + word
+
+
+			assets_path =  'assets/' + tutorial_name 
+			os.makedirs(assets_path, exist_ok=True)
+			header.save( assets_path + '/header.jpg')
+		except:
+			pass