0.1.6 -- support for python>=3.10 (#21)

* test 3.9+3.10

* update formalpdf==0.1.6 for python 3.9/3.10 support

* drop 3.9 support to align with onnx

* Create multiline_tools.py

Add utility to enable multiline text fields in fillable PDFs

---------

Co-authored-by: opcan <62741296+opcan@users.noreply.github.com>

Author: jbarrow

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
 
     steps:
       - name: Checkout

commonforms/multiline_tools.py

@@ -0,0 +1,24 @@
+from pypdf import PdfReader, PdfWriter
+from pypdf.generic import NameObject, NumberObject
+
+def enable_multiline_fields(input_pdf: str, output_pdf: str):
+    """
+    Enables multiline text input on all text fields in a fillable PDF.
+    """
+    reader = PdfReader(input_pdf)
+    writer = PdfWriter()
+
+    for page in reader.pages:
+        if "/Annots" in page:
+            for annot in page["/Annots"]:
+                obj = annot.get_object()
+                if obj.get("/FT") == NameObject("/Tx"):
+                    current_flags = obj.get("/Ff", NumberObject(0))
+                    new_flags = int(current_flags) | 4096  # set multiline flag
+                    obj.update({NameObject("/Ff"): NumberObject(new_flags)})
+        writer.add_page(page)
+
+    with open(output_pdf, "wb") as f:
+        writer.write(f)
+
+    print(f"Done! Modified PDF saved as {output_pdf}")

pyproject.toml

@@ -7,11 +7,11 @@ name = "commonforms"
 version = "0.1.5"
 description = "Automatically convert a PDF into a fillable form"
 readme = "README.md"
-requires-python = ">=3.11"
+requires-python = ">=3.10"
 urls = { Homepage = "https://github.com/jbarrow/commonforms" }
 dependencies = [
     "cryptography>=3.1",
-    "formalpdf==0.1.5",
+    "formalpdf==0.1.6",
     "huggingface-hub>=0.35.3",
     "onnx>=1.19.1",
     "onnxruntime>=1.23.1",