pdf to png proof of concept

README.md

@@ -1,2 +1,7 @@
 # VideoToolkit
 Toolkit for generating video elements
+
+## Dependencies not installed via this package:
+
+1. ImageMagick https://imagemagick.org/
+2. Ghostscript https://www.ghostscript.com/

pyproject.toml

@@ -11,7 +11,7 @@ authors = [
 ]
 readme = "README.md"
 license = { file = "LICENSE" }
-requires-python = ">=3.8"
+requires-python = ">=3.10"
 classifiers = [
     "Programming Language :: Python :: 3",
     "License :: OSI Approved :: MIT License",

scripts/example_script.py

@@ -1,5 +1,7 @@
-from videotoolkit import create_start_slide
-
+from videotoolkit import create_start_slide, pdf_to_png
 
 if __name__ == '__main__':
     create_start_slide("test.pdf", "asdfas", "asdsad")
+
+    pdf_to_png('test.pdf')
+

src/videotoolkit/__init__.py

@@ -4,6 +4,13 @@
 # LICENSE file in the root directory of this source tree.
 
 from .tools import create_start_slide, create_end_slide
-from .utils import add_logo, generate_hex_grid
+from .utils import add_logo, generate_hex_grid, pdf_to_png
 
-__all__ = ["create_start_slide", "create_end_slide", "add_logo", "generate_hex_grid"]
+__all__ = ['create_start_slide', 'create_end_slide', 'add_logo', 'generate_hex_grid', 'pdf_to_png']
+
+import logging
+
+logging.basicConfig(
+    level=logging.INFO,
+    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
+)

src/videotoolkit/tools.py

@@ -10,8 +10,10 @@
 
 def create_start_slide(filename: str, title: str, subtitle: str):
     """Creates a PDF start slide with the given title and subtitle."""
-    c = canvas.Canvas(filename, pagesize=A4)
-    width, height = A4
+    # Define the dimensions for a 16:9 aspect ratio
+    width, height = 3840, 2160
+    # Create a canvas with the specified dimensions
+    c = canvas.Canvas(filename, pagesize=(width, height))
 
     # Draw background grid
     generate_hex_grid(c, width, height)

src/videotoolkit/utils.py

@@ -6,6 +6,13 @@
 from reportlab.lib import colors
 from reportlab.pdfgen import canvas
 from math import cos, sin, radians
+from pathlib import Path
+
+import logging
+import sys
+import subprocess
+
+logger = logging.getLogger(__name__)
 
 
 def add_logo(c: canvas.Canvas, logo_path: str, x: float, y: float, width: float, height: float):
@@ -42,3 +49,40 @@ def draw_hexagon(c: canvas.Canvas, x: float, y: float, size: float):
 
     # Draw the hexagon
     c.lines(linelist)
+
+
+def pdf_to_png(pdf_path: str | Path) -> None:
+
+    if isinstance(pdf_path, str):
+        pdf_path = Path(pdf_path)
+
+    pdf_path = pdf_path.resolve()
+
+    if not pdf_path.is_file():
+        logger.error(f'Path {pdf_path} is not a file. Expected a PDF file.')
+        sys.exit(1)
+
+    if pdf_path.suffix != '.pdf':
+        logger.error(f'File {pdf_path} is not a PDF file.')
+
+    png_path = pdf_path.with_suffix('.png')
+
+    try:
+        # Construct the command to call ImageMagick's convert
+        command = [
+            'magick',
+            '-density', '72',
+            str(pdf_path),
+            str(png_path)
+        ]
+
+        # Execute the command
+        subprocess.run(command, check=True)
+        logger.info(f'Successfully converted {pdf_path} to {png_path}')
+
+    except subprocess.CalledProcessError as e:
+        print(f"An error occurred: {e}")
+    except FileNotFoundError:
+        print("ImageMagick's convert command was not found. Make sure it is installed and accessible.")
+
+