Přidáno automatické volání TeXu a generování pdf, resolves #17.

src/formatitko/formatitko.py

@@ -2,6 +2,9 @@
 
 import argparse
 import sys
+import tempfile
+import subprocess
+import shutil
 
 # Import local files
 from .transform import transform
@@ -30,6 +33,7 @@ def main():
 	parser.add_argument("-t", "--output-tex", help="The TEX file to write into.")
 	parser.add_argument("-m", "--output-md", help="The Markdown file to write into. (Uses pandoc to generate markdown)")
 	parser.add_argument("-j", "--output-json", help="The JSON file to dump the pandoc-compatible AST into.")
+	parser.add_argument("-P", "--output-pdf", help="The PDF file to save the PDF generated by TeX.")
 	parser.add_argument("--katex-server", action='store_true', help="Starts a KaTeX server and prints the socket filename onto stdout. Useful for running formatitko many times without starting the KaTeX server each time.")
 	parser.add_argument("-k", "--katex-socket", help="The KaTeX server socket filename obtained by running with `--katex-server`.")
 	parser.add_argument("input_filename", help="The markdown file to process.", nargs="?" if "--katex-server" in sys.argv else None)
@@ -75,6 +79,18 @@ def main():
 		with open(args.output_json, "w") as file:
 			file.write(convert_text(PandocProcessor().transform(doc), input_format="panflute", output_format="json"))
 
+	if args.output_pdf is not None:
+		if args.output_tex is None:
+			fd = tempfile.NamedTemporaryFile(dir=".", suffix=".tex")
+			with open(fd.name, "w") as file:
+				UCWTexGenerator(file, imageProcessor).generate(doc)
+			filename = fd.name
+		else:
+			filename = args.output_tex
+		outdir = tempfile.TemporaryDirectory(prefix="formatitko")
+		subprocess.run(["pdfcsplain", "-halt-on-error", "-output-directory="+outdir.name, "-jobname=formatitko", filename], check=True)
+		shutil.move(outdir.name+"/formatitko.pdf", args.output_pdf)
+
 	if args.debug:
 		print("-----------------------------------")
 		OutputGenerator(sys.stdout).generate(doc)