Biology Curriculum Inventory and Extraction Utility

pdf_to_text.py

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+import sys
+from pypdf import PdfReader
+
+def extract_text(pdf_path, max_pages=None):
+    """
+    Extracts text from a PDF file.
+    :param pdf_path: Path to the PDF file.
+    :param max_pages: Maximum number of pages to read. If None, reads all pages.
+    """
+    try:
+        reader = PdfReader(pdf_path)
+        text = ""
+        total_pages = len(reader.pages)
+
+        num_to_read = total_pages
+        if max_pages is not None:
+            num_to_read = min(total_pages, max_pages)
+
+        for i in range(num_to_read):
+            text += f"--- Page {i+1} ---\n"
+            page_text = reader.pages[i].extract_text()
+            if page_text:
+                text += page_text + "\n"
+            else:
+                text += "[No text found on this page]\n"
+        return text
+    except Exception as e:
+        return f"Error: {str(e)}"
+
+if __name__ == "__main__":
+    if len(sys.argv) < 2:
+        print("Usage: python3 pdf_to_text.py <pdf_path> [max_pages]")
+        sys.exit(1)
+
+    path = sys.argv[1]
+    pages = None
+    if len(sys.argv) > 2:
+        try:
+            pages = int(sys.argv[2])
+        except ValueError:
+            print(f"Error: Invalid page count '{sys.argv[2]}'. Please provide an integer.")
+            sys.exit(1)
+
+    print(extract_text(path, pages))

requirements.txt

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+pypdf
+cryptography