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#!/usr/bin/env python3
import argparse
import sys
import tempfile
import subprocess
import shutil
# Import local files
from .util import import_md
from .katex import KatexClient
from .images import ImageProcessor, ImageProcessorNamespace
from .output_generator import OutputGenerator, FormatitkoRecursiveError
from .html_generator import HTMLGenerator, StandaloneHTMLGenerator
from .transform_processor import TransformProcessor
from .pandoc_processor import PandocProcessor
from .tex_generator import UCWTexGenerator
from .context import get_context_from_doc
from panflute import convert_text
def main():
# Initialize command line arguments
parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument("-l", "--img-lookup-dirs", help="Image lookup directories. When processing images, the program will try to find the image in them first. Always looks for images in the same folder as the markdown file.", nargs="+", default=[])
parser.add_argument("-p", "--img-public-dir", help="Directory to put processed images into. The program will overwrite images, whose dependencies are newer.", default="public")
parser.add_argument("-c", "--img-cache-dir", help="Directory to cache processed images and intermediate products. The program will overwrite files, whose dependencies are newer.", default="cache")
parser.add_argument("-i", "--img-web-path", help="Path where the processed images are available on the website.", default="/")
parser.add_argument("-w", "--output-html", help="The HTML file (for Web) to write into.")
parser.add_argument("-s", "--output-standalone-html", help="The Standalone HTML file to write into. A full page is generated instead of just a fragment.")
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)
parser.add_argument("--debug", action='store_true')
parser.add_argument("--traceback-limit", help="Traceback limit for when errors happen, defaults to 0, as it is only useful for internal debugging.", default=0)
parser.add_argument("--deps", help="File to write list of dependencies to. May depend on output formats used.")
args = parser.parse_args()
if args.katex_server:
with KatexClient(connect=False) as katexClient:
print(katexClient.get_socket())
try:
while True:
pass
except KeyboardInterrupt:
print("Exiting...")
return
# Use panflute to parse the input MD file
doc = import_md(open(args.input_filename, "r").read())
if args.debug:
try:
OutputGenerator(sys.stdout).generate(doc)
except FormatitkoRecursiveError as e:
e.pretty_print(tracebacklimit=args.traceback_limit)
try:
doc = TransformProcessor(args.input_filename).transform(doc)
except FormatitkoRecursiveError as e:
e.pretty_print(tracebacklimit=args.traceback_limit)
# Initialize the image processor (this just keeps some basic state)
imageProcessor = ImageProcessor({"": ImageProcessorNamespace(args.img_public_dir, args.img_web_path, args.img_cache_dir, args.img_lookup_dirs, True)})
if args.output_html is not None:
# Initialize KaTeX client (this runs the node app and connects to a unix socket)
with KatexClient(socket=args.katex_socket) as katexClient:
with open(args.output_html, "w") as file:
try:
HTMLGenerator(file, katexClient, imageProcessor).generate(doc)
except FormatitkoRecursiveError as e:
e.pretty_print(tracebacklimit=args.traceback_limit)
if args.output_standalone_html is not None:
# Initialize KaTeX client (this runs the node app and connects to a unix socket)
with KatexClient(socket=args.katex_socket) as katexClient:
with open(args.output_standalone_html, "w") as file:
try:
StandaloneHTMLGenerator(file, katexClient, imageProcessor).generate(doc)
except FormatitkoRecursiveError as e:
e.pretty_print(tracebacklimit=args.traceback_limit)
if args.output_tex is not None:
with open(args.output_tex, "w") as file:
try:
UCWTexGenerator(file, imageProcessor).generate(doc)
except FormatitkoRecursiveError as e:
e.pretty_print(tracebacklimit=args.traceback_limit)
if args.output_md is not None:
with open(args.output_md, "w") as file:
file.write(convert_text(PandocProcessor().transform(doc), input_format="panflute", output_format="markdown"))
if args.output_json is not None:
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:
try:
UCWTexGenerator(file, imageProcessor).generate(doc)
except FormatitkoRecursiveError as e:
e.pretty_print(tracebacklimit=args.traceback_limit)
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.deps is not None:
with open(args.deps, "w") as file:
for dep in get_context_from_doc(doc).get_deps():
file.write(dep + "\n")
if args.debug:
print("-----------------------------------")
try:
OutputGenerator(sys.stdout).generate(doc)
except FormatitkoRecursiveError as e:
e.pretty_print(tracebacklimit=args.traceback_limit)
if __name__ == "__main__":
main()