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Polymarket-tra

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Polymarket-tra / md2pdf_workspace /main.py

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	import sys
	import time
	import os
	import logging
	from watchdog.observers import Observer
	from watchdog.events import FileSystemEventHandler
	import markdown
	from xhtml2pdf import pisa
	import threading

	# Configuration
	INPUT_DIR = os.path.abspath("input")
	OUTPUT_DIR = os.path.abspath("output")

	# Ensure directories exist
	os.makedirs(INPUT_DIR, exist_ok=True)
	os.makedirs(OUTPUT_DIR, exist_ok=True)

	logging.basicConfig(level=logging.INFO,
	format='%(asctime)s - %(message)s',
	datefmt='%Y-%m-%d %H:%M:%S')

	def convert_md_to_pdf(input_path):
	"""Reads a markdown file and converts it to PDF."""
	try:
	filename = os.path.basename(input_path)
	name, _ = os.path.splitext(filename)
	output_path = os.path.join(OUTPUT_DIR, f"{name}.pdf")

	logging.info(f"Processing: {filename}")

	# 1. Read Markdown
	with open(input_path, 'r', encoding='utf-8') as f:
	md_content = f.read()

	# 2. Convert to HTML with tables extension
	# Using 'markdown.extensions.tables' for table support
	# Using 'markdown.extensions.fenced_code' for code blocks
	html_content = markdown.markdown(md_content, extensions=['tables', 'fenced_code'])

	# 3. Add basic styling for PDF
	# xhtml2pdf supports some CSS. We add borders to tables to make them visible.
	full_html = f"""
	<html>
	<head>
	<style>
	@page {{
	size: A4;
	margin: 2cm;
	}}
	body {{
	font-family: Helvetica, sans-serif;
	font-size: 12pt;
	}}
	table {{
	border: 1px solid black;
	border-collapse: collapse;
	width: 100%;
	margin-bottom: 1em;
	}}
	th, td {{
	border: 1px solid black;
	padding: 5px;
	text-align: left;
	}}
	th {{
	background-color: #f2f2f2;
	font-weight: bold;
	}}
	code {{
	font-family: Courier;
	background-color: #f5f5f5;
	}}
	pre {{
	background-color: #f5f5f5;
	padding: 10px;
	border: 1px solid #ccc;
	}}
	</style>
	</head>
	<body>
	{html_content}
	</body>
	</html>
	"""

	# 4. Generate PDF
	with open(output_path, "wb") as pdf_file:
	pisa_status = pisa.CreatePDF(
	full_html, # the HTML to convert
	dest=pdf_file # file handle to receive result
	)

	if pisa_status.err:
	logging.error(f"Error converting {filename}: {pisa_status.err}")
	else:
	logging.info(f"Successfully created: {output_path}")

	except Exception as e:
	logging.error(f"Failed to convert {input_path}: {e}")

	class MDHandler(FileSystemEventHandler):
	def on_created(self, event):
	if not event.is_directory and event.src_path.lower().endswith('.md'):
	# Waiting a brief moment to ensure file write is complete is sometimes helpful,
	# but usually open/read handles it. To be safe:
	time.sleep(0.5)
	convert_md_to_pdf(event.src_path)

	# Also handle modified events in case user edits the file in place?
	# The prompt said "put the md file ... directly parser it", so 'created' is primary.
	# 'modified' might trigger too often during saving. Let's stick to 'created' and 'moved'
	# or just 'created' as per "drop file in".
	# Actually, if I copy paste a file, it's created.
	# If I edit and save, it's modified.
	# Let's support on_modified too for better UX, but duplicate events might be an issue.
	# We'll stick to 'created' for the "drop file" workflow to be clean.

	def on_moved(self, event):
	if not event.is_directory and event.dest_path.lower().endswith('.md'):
	time.sleep(0.5)
	convert_md_to_pdf(event.dest_path)

	if __name__ == "__main__":
	logging.info("Starting Watchdog for MD -> PDF conversion...")
	logging.info(f"Monitoring: {INPUT_DIR}")
	logging.info(f"Output to: {OUTPUT_DIR}")

	event_handler = MDHandler()
	observer = Observer()
	observer.schedule(event_handler, INPUT_DIR, recursive=False)
	observer.start()

	try:
	while True:
	time.sleep(1)
	except KeyboardInterrupt:
	observer.stop()
	observer.join()