Sync all skills and memories 2026-04-14 07:27

skills/productivity/ocr-and-documents/scripts/extract_pymupdf.py

@@ -0,0 +1,98 @@
+#!/usr/bin/env python3
+"""Extract text from documents using pymupdf. Lightweight (~25MB), no models.
+
+Usage:
+    python extract_pymupdf.py document.pdf
+    python extract_pymupdf.py document.pdf --markdown
+    python extract_pymupdf.py document.pdf --pages 0-4
+    python extract_pymupdf.py document.pdf --images output_dir/
+    python extract_pymupdf.py document.pdf --tables
+    python extract_pymupdf.py document.pdf --metadata
+"""
+import sys
+import json
+
+def extract_text(path, pages=None):
+    import pymupdf
+    doc = pymupdf.open(path)
+    page_range = range(len(doc)) if pages is None else pages
+    for i in page_range:
+        if i < len(doc):
+            print(f"\n--- Page {i+1}/{len(doc)} ---\n")
+            print(doc[i].get_text())
+
+def extract_markdown(path, pages=None):
+    import pymupdf4llm
+    md = pymupdf4llm.to_markdown(path, pages=pages)
+    print(md)
+
+def extract_tables(path):
+    import pymupdf
+    doc = pymupdf.open(path)
+    for i, page in enumerate(doc):
+        tables = page.find_tables()
+        for j, table in enumerate(tables.tables):
+            print(f"\n--- Page {i+1}, Table {j+1} ---\n")
+            df = table.to_pandas()
+            print(df.to_markdown(index=False))
+
+def extract_images(path, output_dir):
+    import pymupdf
+    from pathlib import Path
+    Path(output_dir).mkdir(parents=True, exist_ok=True)
+    doc = pymupdf.open(path)
+    count = 0
+    for i, page in enumerate(doc):
+        for img_idx, img in enumerate(page.get_images(full=True)):
+            xref = img[0]
+            pix = pymupdf.Pixmap(doc, xref)
+            if pix.n >= 5:
+                pix = pymupdf.Pixmap(pymupdf.csRGB, pix)
+            out_path = f"{output_dir}/page{i+1}_img{img_idx+1}.png"
+            pix.save(out_path)
+            count += 1
+    print(f"Extracted {count} images to {output_dir}/")
+
+def show_metadata(path):
+    import pymupdf
+    doc = pymupdf.open(path)
+    print(json.dumps({
+        "pages": len(doc),
+        "title": doc.metadata.get("title", ""),
+        "author": doc.metadata.get("author", ""),
+        "subject": doc.metadata.get("subject", ""),
+        "creator": doc.metadata.get("creator", ""),
+        "producer": doc.metadata.get("producer", ""),
+        "format": doc.metadata.get("format", ""),
+    }, indent=2))
+
+if __name__ == "__main__":
+    args = sys.argv[1:]
+    if not args or args[0] in ("-h", "--help"):
+        print(__doc__)
+        sys.exit(0)
+
+    path = args[0]
+    pages = None
+
+    if "--pages" in args:
+        idx = args.index("--pages")
+        p = args[idx + 1]
+        if "-" in p:
+            start, end = p.split("-")
+            pages = list(range(int(start), int(end) + 1))
+        else:
+            pages = [int(p)]
+
+    if "--metadata" in args:
+        show_metadata(path)
+    elif "--tables" in args:
+        extract_tables(path)
+    elif "--images" in args:
+        idx = args.index("--images")
+        output_dir = args[idx + 1] if idx + 1 < len(args) else "./images"
+        extract_images(path, output_dir)
+    elif "--markdown" in args:
+        extract_markdown(path, pages=pages)
+    else:
+        extract_text(path, pages=pages)