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import fitz |
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import base64 |
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import os |
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import sys |
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import re |
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def extract_pdf_to_html(pdf_path, output_path): |
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if not os.path.exists(pdf_path): |
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print(f"Error: File {pdf_path} not found.") |
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return |
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doc = fitz.open(pdf_path) |
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html_content = """<!DOCTYPE html> |
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<html lang="it"> |
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<head> |
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<meta charset="UTF-8"> |
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<meta name="viewport" content="width=device-width, initial-scale=1.0"> |
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<title>Articolo Limes</title> |
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<style> |
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body { |
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font-family: 'Georgia', serif; |
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line-height: 1.6; |
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color: #333; |
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max-width: 800px; |
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margin: 0 auto; |
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padding: 20px; |
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background-color: #f4f4f4; |
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} |
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.article-container { |
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background-color: #fff; |
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padding: 40px; |
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box-shadow: 0 0 10px rgba(0,0,0,0.1); |
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} |
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h1 { |
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color: #b30000; |
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font-size: 2.2em; |
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margin-bottom: 10px; |
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line-height: 1.2; |
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text-transform: uppercase; |
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} |
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.subtitle { |
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font-size: 1.2em; |
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color: #555; |
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margin-bottom: 20px; |
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font-style: italic; |
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} |
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p { |
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margin-bottom: 15px; |
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text-align: justify; |
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} |
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img { |
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max-width: 100%; |
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height: auto; |
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display: block; |
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margin: 20px auto; |
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} |
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.caption { |
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font-size: 0.9em; |
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color: #666; |
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text-align: center; |
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margin-top: -10px; |
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margin-bottom: 20px; |
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font-style: italic; |
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} |
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strong { |
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color: #b30000; |
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} |
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</style> |
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</head> |
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<body> |
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<div class="article-container"> |
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""" |
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exclude_keywords = [ |
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"MENU", "CERCA", "CHI SIAMO", "LA SCUOLA DI LIMES", "VOLUMI", "LEGGI PDF", |
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"I NOSTRI TEMI", "CARTE", "VIDEO", "PODCAST", "EVENTI", "MATBEN88", |
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"IN EDICOLA", "ABBONATI", "Privacy", "Cookie Policy", "Gestione cookie", |
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"Riserva TDM", "Dichiarazione di accessibilità", "GEDI Periodici", |
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"Tutti a lezione di pace", "Il mito dell'Urbe", "IL PUNTO", "CARTA INEDITA", |
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"MENU CERCA", "RUBRICHE", "IL MONDO OGGI", "EBOOK", "AUTORI", "ARGOMENTI", "PROTAGONISTI", "FAQ" |
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] |
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def clean_text(text): |
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# Fix ligatures and other common issues |
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replacements = { |
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"": "fi", # specific to the issue seen, might be fl or fi. "conitto" -> conflitto (fl) |
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"fi": "fi", |
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"fl": "fl", |
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"’": "'", |
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"“": '"', |
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"”": '"', |
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} |
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# Check for the specific char seen in output |
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# In the output it was "conitto". |
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# If I can't paste the char easily, I might need to handle it by context or unicode. |
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# The char in the output looked like a box or special char. |
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# Let's assume it's a mapping issue. |
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# "conitto" -> "conflitto". So is fl. |
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for k, v in replacements.items(): |
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text = text.replace(k, v) |
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# Generic ligature fix if they appear as special chars |
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# But without knowing the exact unicode, it's hard. |
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# Let's try to fix "con itto" if it appears with a space or weird char. |
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text = text.replace("conitto", "conflitto") |
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return text |
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title_found = False |
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# Buffer for text to handle hyphenation across blocks/pages if needed (though blocks are usually self-contained paragraphs) |
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# Actually, let's just process blocks. |
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for page_num in range(len(doc)): |
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page = doc[page_num] |
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page_dict = page.get_text("dict") |
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# Sort blocks by vertical position |
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blocks = sorted(page_dict["blocks"], key=lambda b: b["bbox"][1]) |
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for block in blocks: |
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bbox = block["bbox"] |
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# 1. Header/Footer filtering |
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if bbox[1] < 30 or bbox[3] > 815: |
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continue |
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# 2. Sidebar filtering (sidebar is on the right) |
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if bbox[0] > 430: |
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continue |
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if block["type"] == 0: # Text block |
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# ... (text extraction logic) |
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text = "" |
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lines_text = [] |
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for line in block["lines"]: |
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line_str = "".join([span["text"] for span in line["spans"]]) |
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lines_text.append(line_str) |
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full_text = "" |
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for i, line in enumerate(lines_text): |
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if line.endswith("-") and i < len(lines_text) - 1: |
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full_text += line[:-1] |
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else: |
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full_text += line + " " |
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text = full_text.strip() |
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text = clean_text(text) |
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if not text: |
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continue |
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# Debug print |
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print(f"Processing block: {text[:30]}... bbox={bbox}") |
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# 3. Keyword filtering |
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# Check if any keyword is in the text |
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# We use a more aggressive filter for uppercase or short text |
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if any(kw in text for kw in exclude_keywords): |
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if text.isupper() or len(text) < 100 or "Privacy" in text or "Cookie" in text: |
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print(f"Excluded junk: {text[:30]}...") |
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continue |
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# 4. Title detection and cleaning |
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if not title_found and "Home" in text: |
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# Capture the full uppercase title |
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# Adjusted regex to be a bit more flexible |
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match = re.search(r"Home(?:[\w\s]+?)([A-Z\s,:'\"!?.—–-]{10,})", text) |
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if match: |
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title = match.group(1).strip() |
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remaining = text[match.end():] |
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# Fix for title grabbing the first letter of subtitle |
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if title and remaining and title[-1].isupper() and remaining[0].islower(): |
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# Check if the last word of title is just 1 char |
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last_word = title.split()[-1] |
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# If it's a single letter and not a common vowel word (A, I, O, E, U, Y), assume it belongs to subtitle |
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if len(last_word) == 1 and last_word not in ["A", "I", "E", "O", "U"]: |
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char_to_move = title[-1] |
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title = title[:-1].strip() |
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remaining = char_to_move + remaining |
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html_content += f" <h1>{title}</h1>\n" |
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# Try to extract subtitle |
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subtitle_match = re.search(r"^([^.!?]+[.!?])", remaining) |
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if subtitle_match: |
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subtitle = subtitle_match.group(1).strip() |
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html_content += f" <div class='subtitle'>{subtitle}</div>\n" |
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title_found = True |
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continue |
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else: |
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# Fallback if regex fails but "Home" is there, maybe the title is just the rest |
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# Or maybe it's not the title block. |
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pass |
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# Formatting |
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if len(text) < 150 and text.isupper() and not title_found and len(text) > 10: |
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html_content += f" <h1>{text}</h1>\n" |
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title_found = True |
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print(f"Added H1 (heuristic): {text[:30]}") |
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elif len(text) < 150 and text.isupper(): |
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html_content += f" <p><strong>{text}</strong></p>\n" |
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print(f"Added STRONG: {text[:30]}") |
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else: |
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if title_found and page_num == 0 and ("Pubblicato il" in text or "di Lucio CARACCIOLO" in text or "Home" in text): |
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print(f"Skipped (metadata): {text[:30]}") |
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continue |
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html_content += f" <p>{text}</p>\n" |
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print(f"Added P: {text[:30]}") |
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elif block["type"] == 1: # Image block |
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try: |
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image_bytes = block["image"] |
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base64_image = base64.b64encode(image_bytes).decode('utf-8') |
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img_format = block.get("ext", "png") |
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html_content += f' <img src="data:image/{img_format};base64,{base64_image}" />\n' |
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except Exception as e: |
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pass |
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html_content += """ </div> |
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</body> |
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</html>""" |
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with open(output_path, "w", encoding="utf-8") as f: |
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f.write(html_content) |
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print(f"HTML generated successfully at {output_path}") |
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if __name__ == "__main__": |
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if len(sys.argv) > 1: |
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pdf_file = sys.argv[1] |
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else: |
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pdf_file = "Senza un piano di tregua, le nazioni europee scivolano verso la guerra - Limes.pdf" |
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output_file = "public/index.html" |
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extract_pdf_to_html(pdf_file, output_file) |
