#!/usr/bin/env python3 """Extract Gītār Gān (GG) from other.html. Gītār Gān is a Bengali poetic rendering of Bhagavad-gītā As It Is. It has 1 intro segment (introduction) and 18 chapters. The content is primarily Bengali verse text (p24, italic with
line breaks) interleaved with text number headings (p224, bold). Output: lib/jsons/books/gg/intro.json — Book metadata lib/jsons/books/gg/intro/*.json — Intro segments lib/jsons/books/gg/chapters/*.json — Chapters (01–18) Usage: python3 scripts/gg_extract.py """ import json import os import re import sys from bs4 import BeautifulSoup, Tag # --------------------------------------------------------------------------- # ScaGoudy → IAST Unicode mapping # --------------------------------------------------------------------------- SCAGOUDY_TO_IAST = { "ä": "ā", "Ä": "Ā", "å": "ṛ", "Å": "Ṛ", "ñ": "ṣ", "Ñ": "Ṣ", "ö": "ṭ", "Ö": "Ṭ", "ë": "ṇ", "Ë": "Ṇ", "ò": "ḍ", "Ò": "Ḍ", "ç": "ś", "Ç": "Ś", "ì": "ṅ", "ï": "ñ", "ü": "ū", "Ü": "Ū", "é": "ī", "É": "Ī", "à": "ṁ", "ù": "ḥ", "è": "ṝ", "û": "ṁl", "ÿ": "ḷ", } def decode_scagoudy(text: str) -> str: """Replace ScaGoudy-encoded characters with proper IAST Unicode.""" for src, dst in SCAGOUDY_TO_IAST.items(): text = text.replace(src, dst) return text def decode_html_content(tag: Tag) -> str: """Extract inner HTML from a tag, decode ScaGoudy, preserve formatting tags.""" inner = "".join(str(child) for child in tag.children) inner = decode_scagoudy(inner) # Remove span tags with CSS classes (RTF conversion artifacts) inner = re.sub( r']*class="[^"]*"[^>]*>(.*?)', r"\1", inner, flags=re.DOTALL ) # Clean up Apple-tab-span leftovers (tab characters) inner = inner.replace("\t", " ") # Normalize whitespace (but preserve
tags) # First, protect
tags inner = re.sub(r"", "
", inner) # Normalize spaces around text (not across
) parts = inner.split("
") parts = [re.sub(r"\s+", " ", p).strip() for p in parts] inner = "
".join(parts) return inner.strip() def decode_text(tag: Tag) -> str: """Get plain text from a tag with ScaGoudy decoding.""" return decode_scagoudy(tag.get_text().strip()) def get_css_class(tag: Tag) -> str: """Get the first CSS class of a tag, or empty string.""" classes = tag.get("class", []) return classes[0] if classes else "" def is_empty(tag: Tag) -> bool: """Check if a tag is empty or whitespace-only.""" text = tag.get_text().strip() return not text or text == "\xa0" # --------------------------------------------------------------------------- # CSS class categorization for GG # --------------------------------------------------------------------------- # Book title header class BOOK_HEADER_CLASS = "p12" # Subtitle class SUBTITLE_CLASS = "p31" # Bookmark class BOOKMARK_CLASS = "p13" # Introduction heading / Chapter heading HEADING_CLASS = "p27" # Introduction body text BODY_CLASS = "p6" # Signature block SIGNATURE_CLASS = "p222" # Chapter title heading (contains Chapter N + Title) CHAPTER_TITLE_CLASS = "p223" # Bengali verse text (italic, with
line breaks — THE MAIN content) VERSE_CLASS = "p24" # Text number headings (bold) TEXT_HEADING_CLASS = "p224" # Empty/break classes to skip SKIP_CLASSES = frozenset(["p225", "p226", "p15"]) # --------------------------------------------------------------------------- # Chapter titles mapping (from bookmarks) # --------------------------------------------------------------------------- CHAPTER_TITLES = { 1: "Observing the Armies on the Battlefield of Kurukṣetra", 2: "Contents of the Gītā Summarized", 3: "Karma-yoga", 4: "Transcendental Knowledge", 5: "Karma-yoga—Action in Kṛṣṇa Consciousness", 6: "Dhyāna-yoga", 7: "Knowledge of the Absolute", 8: "Attaining the Supreme", 9: "The Most Confidential Knowledge", 10: "The Opulence of the Absolute", 11: "The Universal Form", 12: "Devotional Service", 13: "Nature, the Enjoyer, and Consciousness", 14: "The Three Modes of Material Nature", 15: "The Yoga of the Supreme Person", 16: "The Divine and Demoniac Natures", 17: "The Divisions of Faith", 18: "Conclusion—The Perfection of Renunciation", } # --------------------------------------------------------------------------- # Extraction helpers # --------------------------------------------------------------------------- def find_gg_boundaries(all_paragraphs: list) -> tuple: """Find the start and end paragraph indices of the GG content. Start:

Gétär Gän

(or decoded: Gītār Gān) End: Next

after GG content (Songs of the Vaiṣṇava Ācāryas) """ start_idx = None end_idx = len(all_paragraphs) for i, p in enumerate(all_paragraphs): cls = get_css_class(p) text = p.get_text().strip() decoded = decode_scagoudy(text) if cls == BOOK_HEADER_CLASS: if start_idx is None: # Look for "Gétär Gän" or decoded "Gītār Gān" if ( "Gétär Gän" in text or "Gītār Gān" in decoded or "G\u00e9t\u00e4r G\u00e4n" in text ): start_idx = i continue else: # Next p12 after start marks the end end_idx = i break if start_idx is None: print("ERROR: Could not find 'Gītār Gān' header in other.html!") sys.exit(1) return start_idx, end_idx def find_all_bookmarks(all_paragraphs: list, start_idx: int, end_idx: int) -> list: """Find all GG bookmark tags in the GG range. Bookmarks are p13 class with text starting with "GG:". Returns list of (paragraph_index, bookmark_text). """ bookmarks = [] for i in range(start_idx, end_idx): p = all_paragraphs[i] cls = get_css_class(p) if cls != BOOKMARK_CLASS: continue text = decode_text(p).strip() if text.startswith("GG:"): bookmarks.append((i, text)) return bookmarks def parse_chapter_bookmark(text: str): """Parse a chapter bookmark like 'GG: Chapter 1'. Returns chapter_number (int) or None if not a chapter bookmark. """ m = re.match(r"GG:\s+Chapter\s+(\d+)", text.strip()) if m: return int(m.group(1)) return None def extract_chapter_title(tag: Tag) -> tuple: """Extract chapter number and title from a p223 element. The p223 contains something like: Chapter 1Observing the Armies... Returns (chapter_number, title_text) or None. """ text = decode_text(tag) # Try to parse "Chapter N\nTitle" or "Chapter N Title" m = re.match(r"Chapter\s+(\d+)\s*(.*)", text, re.DOTALL) if m: ch_num = int(m.group(1)) title = m.group(2).strip() # Clean up any leading/trailing whitespace or newlines title = re.sub(r"\s+", " ", title).strip() return ch_num, title return None def extract_verse_content(tag: Tag) -> str: """Extract Bengali verse content from a p24 tag. The content is italic with
line breaks. We wrap it as a centered italic div:

content
ScaGoudy decoding is applied. """ html = decode_html_content(tag) if not html: return "" # Strip outer tags if present — we'll re-wrap stripped = re.sub(r"^(.*)$", r"\1", html, flags=re.DOTALL) # Also remove any remaining /<\/i> pairs within stripped = re.sub(r"", "", stripped) if stripped.strip(): return f'
{stripped.strip()}
' return "" def extract_text_heading(tag: Tag) -> tuple: """Extract text heading from a p224 tag. Content is bold, e.g. Text 1 or Texts 16-18 or closing: Thus Bhaktivedānta sings... Some headings have the translation merged in, like: Text 30: All these performers who know... These are split: the text number is returned as the heading, and the translation is returned separately as a "deferred" paragraph to be emitted AFTER the next verse block. Returns (heading_html, deferred_translation_html_or_None). """ html = decode_html_content(tag) if not html: return ("", None) stripped = html.strip() # Remove outer to inspect inner text inner = stripped if inner.startswith("") and inner.endswith(""): inner = inner[3:-4].strip() # Check if this is a merged "Text N: translation..." heading m = re.match(r"^(Texts?\s+[\d\-–]+)\s*[:\.]\s*(.+)$", inner, re.DOTALL) if m: text_num = m.group(1).strip() translation = m.group(2).strip() heading = f'
{text_num}
' deferred = f'
{translation}
' return (heading, deferred) # Plain text heading (e.g. "Text 1") or closing statement — center it if not stripped.startswith(""): stripped = f"{stripped}" return (f'
{stripped}
', None) def extract_chapter_heading(tag: Tag) -> str: """Extract chapter heading from a p223 tag as a bold paragraph. Returns something like: Chapter 1
Observing the Armies...
""" html = decode_html_content(tag) if not html: return "" # Clean up the HTML — remove inner bold tags and re-wrap the whole thing inner = re.sub(r"", "", html) inner = inner.strip() # Try to add a
between "Chapter N" and the title if not already there inner = re.sub(r"(Chapter\s+\d+)\s+", r"\1
", inner, count=1) return f"{inner}" def extract_paragraphs_for_intro( all_paragraphs: list, start_idx: int, end_idx: int, ) -> list: """Extract paragraphs for the introduction section. Handles p27 (heading), p6 (body text), p222 (signature block). """ result = [] for i in range(start_idx, end_idx): p = all_paragraphs[i] cls = get_css_class(p) # Skip empty paragraphs if is_empty(p): continue # Skip noise classes if cls in SKIP_CLASSES: continue # Skip bookmark tags if cls == BOOKMARK_CLASS: continue # Skip book header (p12) if cls == BOOK_HEADER_CLASS: continue # Skip subtitle (p31) if cls == SUBTITLE_CLASS: continue # Introduction heading (p27) if cls == HEADING_CLASS: html = decode_html_content(p) if html: result.append(html) continue # Body text (p6) if cls == BODY_CLASS: html = decode_html_content(p) if html: result.append(html) continue # Signature block (p222) if cls == SIGNATURE_CLASS: html = decode_html_content(p) if html: result.append(html) continue # Any other class in intro range — try to include html = decode_html_content(p) if html: result.append(html) return result def extract_paragraphs_for_chapter( all_paragraphs: list, start_idx: int, end_idx: int, ) -> list: """Extract paragraphs for a chapter. Handles: p223 — Chapter heading (bold paragraph) p24 — Bengali verse text (centered italic div) p224 — Text number heading (bold paragraph) p225, p226, p15 — Skip (empty/break) """ result = [] deferred_translation = None for i in range(start_idx, end_idx): p = all_paragraphs[i] cls = get_css_class(p) # Skip empty paragraphs if is_empty(p): continue # Skip noise classes if cls in SKIP_CLASSES: continue # Skip bookmark tags if cls == BOOKMARK_CLASS: continue # Chapter title heading (p223) if cls == CHAPTER_TITLE_CLASS: heading = extract_chapter_heading(p) if heading: result.append(heading) continue # Bengali verse text (p24) if cls == VERSE_CLASS: verse = extract_verse_content(p) if verse: result.append(verse) # Emit deferred translation AFTER the verse if deferred_translation: result.append(deferred_translation) deferred_translation = None continue # Text number heading (p224) if cls == TEXT_HEADING_CLASS: # If there's a deferred translation from a previous heading, # emit it now (before this new heading) if deferred_translation: result.append(deferred_translation) deferred_translation = None heading, deferred = extract_text_heading(p) if heading: result.append(heading) if deferred: # Hold the translation — it will be emitted after the next verse block deferred_translation = deferred continue # Heading class (p27) — may appear within chapters if cls == HEADING_CLASS: html = decode_html_content(p) if html: if not html.strip().startswith(""): html = f"{html}" result.append(html) continue # Body text (p6) — may appear within chapters if cls == BODY_CLASS: html = decode_html_content(p) if html: result.append(html) continue # Any other class — try to extract content (be permissive) html = decode_html_content(p) if html: result.append(html) # Flush any remaining deferred translation at end of chapter if deferred_translation: result.append(deferred_translation) deferred_translation = None return result # --------------------------------------------------------------------------- # Main extraction logic # --------------------------------------------------------------------------- def extract_gg(soup: BeautifulSoup) -> dict: """Extract the entire Gītār Gān from the parsed HTML. Returns a dict with: "intro_segments": list of intro segment dicts "chapters": list of chapter dicts "chapter_listing": list of {number, title} for intro.json """ all_paragraphs = list(soup.find_all("p")) # Step 1: Find GG boundaries gg_start, gg_end = find_gg_boundaries(all_paragraphs) print(f" GG content: paragraphs {gg_start} to {gg_end}") print(f" Total paragraphs in range: {gg_end - gg_start}") # Step 2: Find all bookmarks bookmarks = find_all_bookmarks(all_paragraphs, gg_start, gg_end) print(f" Found {len(bookmarks)} GG bookmarks") for pos, text in bookmarks: print(f" Para ~{pos}: {text}") # Step 3: Categorize bookmarks chapter_bookmarks = [] # (para_idx, chapter_num) for pos, text in bookmarks: ch_num = parse_chapter_bookmark(text) if ch_num is not None: chapter_bookmarks.append((pos, ch_num)) print(f" Chapter bookmarks: {len(chapter_bookmarks)}") # Sort chapter bookmarks by position chapter_bookmarks.sort(key=lambda x: x[0]) # Build an ordered list of all section start positions for boundary computation all_section_starts = sorted([pos for pos, _ in chapter_bookmarks]) def next_section_after(pos): """Return the next section start after `pos`, or gg_end.""" for s in all_section_starts: if s > pos: return s return gg_end # Step 4: Extract Introduction # The introduction is everything between the book header and the first chapter bookmark introduction = None if chapter_bookmarks: first_chapter_pos = chapter_bookmarks[0][0] # Introduction starts after the book header (gg_start + 1) and ends at first bookmark intro_content_start = gg_start + 1 intro_content_end = first_chapter_pos intro_paras = extract_paragraphs_for_intro( all_paragraphs, intro_content_start, intro_content_end ) if intro_paras: introduction = { "slug": "introduction", "title": "Introduction", "type": "intro-segment", "book": "gg", "order": 1, "paragraphs": intro_paras, } # Step 5: Extract chapters 1–18 chapters = [] for idx, (ch_pos, ch_num) in enumerate(chapter_bookmarks): content_start = ch_pos + 1 content_end = next_section_after(ch_pos) paragraphs = extract_paragraphs_for_chapter( all_paragraphs, content_start, content_end ) # Get title from CHAPTER_TITLES mapping, or try to extract from p223 title = CHAPTER_TITLES.get(ch_num, f"Chapter {ch_num}") # Try to extract title from the first p223 in the range for i in range(content_start, min(content_start + 10, content_end)): p = all_paragraphs[i] cls = get_css_class(p) if cls == CHAPTER_TITLE_CLASS: extracted = extract_chapter_title(p) if extracted: _, extracted_title = extracted if extracted_title: title = extracted_title break ch = { "book": "gg", "chapter": ch_num, "title": title, "type": "chapter", "paragraphs": paragraphs, } chapters.append(ch) # Step 6: Build intro segments list intro_segments = [] if introduction: intro_segments.append(introduction) # Step 7: Build chapter listing for intro.json chapter_listing = [ {"number": ch["chapter"], "title": ch["title"]} for ch in chapters ] return { "intro_segments": intro_segments, "chapters": chapters, "chapter_listing": chapter_listing, } # --------------------------------------------------------------------------- # Output # --------------------------------------------------------------------------- def write_json(data, filepath): """Write data as formatted JSON to filepath, creating directories as needed.""" os.makedirs(os.path.dirname(filepath), exist_ok=True) with open(filepath, "w", encoding="utf-8") as f: json.dump(data, f, ensure_ascii=False, indent=2) def main(): base_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) html_path = os.path.join(base_dir, "public", "html", "other.html") output_base = os.path.join(base_dir, "lib", "jsons", "books", "gg") if not os.path.exists(html_path): print(f"ERROR: {html_path} not found!") sys.exit(1) print(f"Reading {html_path}...") with open(html_path, "r", encoding="utf-8") as f: soup = BeautifulSoup(f, "html.parser") print("Extracting Gītār Gān...\n") result = extract_gg(soup) intro_segments = result["intro_segments"] chapters = result["chapters"] chapter_listing = result["chapter_listing"] # --- Write intro.json --- intro_meta = { "book": "gg", "title": "Gītār Gān", "author": "His Divine Grace A.C. Bhaktivedanta Swami Prabhupāda", "year": 1995, "description": "A Bengali poetic rendering of Bhagavad-gītā As It Is by Śrīla Prabhupāda.", "totalChapters": 18, "chapters": chapter_listing, } intro_path = os.path.join(output_base, "intro.json") write_json(intro_meta, intro_path) print(f"\n Written: {intro_path}") # --- Write intro segments --- print(f"\n--- Intro Segments ---") for seg in intro_segments: filepath = os.path.join(output_base, "intro", f"{seg['slug']}.json") write_json(seg, filepath) print( f" {seg['order']}. {seg['title']}: {len(seg['paragraphs'])} paragraphs → {filepath}" ) # --- Write chapters --- print(f"\n--- Chapters ---") for ch in chapters: ch_num_str = str(ch["chapter"]).zfill(2) filepath = os.path.join(output_base, "chapters", f"{ch_num_str}.json") write_json(ch, filepath) print( f" Ch {ch['chapter']:>2}: {len(ch['paragraphs']):>3} paragraphs — " f"{ch['title']}" ) # --- Summary --- total_intro_paras = sum(len(s["paragraphs"]) for s in intro_segments) total_chapter_paras = sum(len(ch["paragraphs"]) for ch in chapters) total_paras = total_intro_paras + total_chapter_paras print(f"\n{'=' * 60}") print(f" EXTRACTION SUMMARY") print(f"{'=' * 60}") print(f" Intro segments: {len(intro_segments)}") for seg in intro_segments: print( f" {seg['order']}. {seg['title']}: {len(seg['paragraphs'])} paragraphs" ) print(f" Chapters: {len(chapters)}") print(f" Total paragraphs: {total_paras}") print(f" Intro: {total_intro_paras}") print(f" Chapters: {total_chapter_paras}") if chapters: print(f" Avg paras/chapter: {total_chapter_paras / len(chapters):.1f}") print(f" Output directory: {output_base}/") # --- Samples --- print(f"\n--- Sample: Chapter 1 ---") if chapters: ch1 = chapters[0] for i, p in enumerate(ch1["paragraphs"][:5]): preview = re.sub(r"<[^>]+>", "", p)[:120] print(f" [{i}] {preview}...") if len(chapters) >= 9: print(f"\n--- Sample: Chapter 9 ---") ch9 = [c for c in chapters if c["chapter"] == 9] if ch9: for i, p in enumerate(ch9[0]["paragraphs"][:3]): preview = re.sub(r"<[^>]+>", "", p)[:120] print(f" [{i}] {preview}...") if len(chapters) >= 18: print(f"\n--- Sample: Chapter 18 (last) ---") last = chapters[-1] for i, p in enumerate(last["paragraphs"][:3]): preview = re.sub(r"<[^>]+>", "", p)[:120] print(f" [{i}] {preview}...") # --- Quality Checks --- print(f"\n--- Quality Checks ---") # Check all 18 chapters present expected_chapters = set(range(1, 19)) actual_chapters = set(ch["chapter"] for ch in chapters) missing = expected_chapters - actual_chapters extra = actual_chapters - expected_chapters if missing: print(f" ⚠ Missing chapters: {sorted(missing)}") if extra: print(f" ⚠ Extra chapters: {sorted(extra)}") if not missing and not extra: print(f" ✅ All 18 chapters present") # Check intro segments expected_intros = {"introduction"} actual_intros = {s["slug"] for s in intro_segments} missing_intros = expected_intros - actual_intros if missing_intros: print(f" ⚠ Missing intro segments: {missing_intros}") else: print(f" ✅ Introduction segment present") # Check empty chapters empty_chapters = [ch["chapter"] for ch in chapters if len(ch["paragraphs"]) == 0] if empty_chapters: print(f" ⚠ Empty chapters (0 paragraphs): {empty_chapters}") else: print(f" ✅ No empty chapters") # Check ScaGoudy decoding — look for common encoded characters encoded_chars = set("äåöëòçüéàùè") suspect_count = 0 all_sections = chapters + intro_segments for section in all_sections: for p in section["paragraphs"]: plain = re.sub(r"<[^>]+>", "", p) for c in encoded_chars: if c in plain: suspect_count += 1 break if suspect_count == 0: print(f" ✅ No suspected undecoded ScaGoudy characters found") else: print( f" ℹ {suspect_count} paragraphs contain characters that may be undecoded ScaGoudy" ) # Check verse blocks verse_block_count = 0 for ch in chapters: for p in ch["paragraphs"]: if '
' in p: verse_block_count += 1 print(f" ℹ {verse_block_count} verse blocks in chapters") # Check text headings text_heading_count = 0 for ch in chapters: for p in ch["paragraphs"]: if re.match(r"Texts?\s+\d+", p): text_heading_count += 1 print(f" ℹ {text_heading_count} text number headings in chapters") # ScaGoudy decoding spot check print(f"\n--- ScaGoudy Decoding Spot Check ---") if chapters: ch1_text = " ".join(chapters[0]["paragraphs"][:15]) if "Kṛṣṇa" in ch1_text: print(f" ✅ 'Kṛṣṇa' correctly decoded in Chapter 1") elif "Kåñëa" in ch1_text: print(f" ⚠ 'Kåñëa' still encoded — ScaGoudy decoding may have failed!") else: print( f" ℹ 'Kṛṣṇa' not found in Chapter 1 first 15 paragraphs (may be normal)" ) if "Kurukṣetra" in ch1_text: print(f" ✅ 'Kurukṣetra' correctly decoded in Chapter 1") elif "Kurukñetra" in ch1_text: print(f" ⚠ 'Kurukñetra' still encoded") else: print(f" ℹ 'Kurukṣetra' not found in Chapter 1 first 15 paragraphs") # Sample verse blocks print(f"\n--- Sample Verse Blocks ---") shown = 0 for ch in chapters: for p in ch["paragraphs"]: if '
' in p: preview = re.sub(r"<[^>]+>", "", p)[:120] print(f" Ch {ch['chapter']}: {preview}...") shown += 1 if shown >= 3: break if shown >= 3: break # Check chapter headings print(f"\n--- Chapter Headings ---") heading_count = 0 for ch in chapters: for p in ch["paragraphs"]: if p.startswith("Chapter"): heading_count += 1 preview = re.sub(r"<[^>]+>", "", p)[:80] if heading_count <= 5: print(f" Ch {ch['chapter']}: {preview}") break print(f" Total chapter headings: {heading_count}") # Check closing statements print(f"\n--- Closing Statements ---") closing_count = 0 for ch in chapters: for p in ch["paragraphs"]: plain = re.sub(r"<[^>]+>", "", p) if "Bhaktivedānta" in plain and "sings" in plain.lower(): closing_count += 1 break print(f" Chapters with closing statement: {closing_count} / {len(chapters)}") print(f"\nDone! ✨") if __name__ == "__main__": main()