#!/usr/bin/env python3 """ A Python script to generate a single PDF document with all the `tldr` pages. It works by generating intermediate HTML files from existing md files using Python-markdown, applying desired formatting through CSS, and finally rendering them as PDF. There is no LaTeX dependency for generating the PDF. """ import os import sys import glob import re import markdown import argparse from datetime import datetime from weasyprint import HTML def main(loc, colorscheme): oslist = [] allmd = [] group = [] ap = [] # Checking correctness of path if not os.path.isdir(loc): print("Invalid directory. Please try again!", file=sys.stderr) sys.exit(1) # Writing names of all directories inside 'pages' to a list for os_dir in os.listdir(loc): oslist.append(os_dir) oslist.sort() # Required strings to create intermediate HTML files header = '' if colorscheme != "basic": header += '\n' header += "\n" footer = "" title_content = "

tldr pages

" \ + "

Simplified and community-driven man pages

" \ + "

Generated on " + datetime.now().strftime("%c") + "

" \ + "" # Creating title page with open("title.html", "w") as f: f.write(header + title_content) group.append(HTML("title.html").render()) for operating_sys in oslist: # Required string to create directory title pages dir_title = "

" + \ operating_sys.capitalize() + "

" # Creating directory title page for current directory with open("dir_title.html", "w") as os_html: os_html.write(header + dir_title) group.append(HTML("dir_title.html").render()) # Creating a list of all md files in the current directory for temp in glob.glob(os.path.join(loc, operating_sys, "*.md")): allmd.append(temp) # Sorting all filenames in the directory, to maintain the order of the PDF allmd.sort() # Conversion of Markdown to HTML for page_number, md in enumerate(allmd, start=1): with open(md, "r") as inp: text = inp.readlines() with open("htmlout.html", "w") as out: out.write(header) for line in text: if re.match(r'^>', line): line = line[:0] + '####' + line[1:] html = markdown.markdown(line) out.write(html) out.write(footer) group.append(HTML("htmlout.html").render()) print("Rendered page {} of the directory {}".format( str(page_number), operating_sys)) allmd.clear() # Merging all the documents into a single PDF for doc in group: for p in doc.pages: ap.append(p) # Writing the PDF to disk, preserving metadata of first `tldr` page group[2].copy(ap).write_pdf('tldr-pages.pdf') if os.path.exists("tldr-pages.pdf"): print("\nCreated tldr-pages.pdf in the current directory!\n") # Removing unnecessary intermediate files try: os.remove("htmlout.html") os.remove("title.html") os.remove("dir_title.html") except OSError: print("Error removing temporary file(s)") if __name__ == "__main__": # Parsing the arguments parser = argparse.ArgumentParser(prog="tldr-pages-to-pdf", description="A Python script to generate a single PDF document with all the `tldr` pages.") parser.add_argument("dir_path", help = "Path to the 'pages' directory") parser.add_argument("-c", "--color", choices=["solarized-light", "solarized-dark", "basic"], default="basic", help="Color scheme of the PDF") args = parser.parse_args() main(args.dir_path, args.color)