Wandelt .txt-Emails von Fragdenstaat in PDFs um

txt2pdf.py

#!/usr/bin/env python2
# -*- coding: utf-8 -*-

from pylatex import *
from pylatex.utils import italic
import fileinput
import sys
from email.header import decode_header, make_header
import io
import argparse
from os import path


def generate(source, dest, i):
    doc = Document(
        title=basename,
        lmodern= True,
        geometry_options={
          "a4paper": True,
          "margin": "1in",
        },
    )

    # Change font
    doc.packages.append(Package('fontspec,xunicode,array'))
    doc.packages.append(Package('sectsty'))
    doc.preamble.append(NoEscape("\setmainfont{Helvetica}"))
    doc.preamble.append(NoEscape("\sectionfont{\\fontsize{12}{15}\selectfont}"))

    # Adjust description list
    doc.packages.append(Package('enumitem'))
    doc.preamble.append(NoEscape("\setlist[description]{labelindent=0cm,style=multiline,leftmargin=1.5cm}"))

    # Hyphenation
    doc.append(NoEscape("\\lefthyphenmin=5"))
    doc.append(NoEscape("\\sloppy"))

    # Set up header and footer
    header = PageStyle("header")
    with header.create(Head("L")):
        header.append(italic("IFG-19644"))
    with header.create(Head("R")):
        header.append(italic("Anlage K%d" % i))
    with header.create(Foot("C")):
        header.append(italic(NoEscape(r'Seite \thepage\ von \pageref{LastPage}')))
    doc.preamble.append(header)
    doc.change_document_style("header")

    # Open and parse input file
    # generate document
    with io.open(source,'r') as f:
        txt = f.read().strip()
        txt = txt.split(u"\n-----Ursprüngliche Nachricht-----\n")[0]

        head, body = tuple(txt.split("\n\n",1))

        subject = None
        date    = None

        with doc.create(Description()) as descr:
            for line in head.splitlines():
                key, val = tuple(line.split(": ",1))
                if "=?" in val:
                    val = make_header(decode_header(val)).__unicode__()

                if key == "Via":
                    None
                elif key == "Betreff":
                    subject = val
                else:
                    descr.add_item(key+":", val)

        doc.append(NoEscape('\\noindent\makebox[\linewidth]{\\rule{\\textwidth}{1pt}}'))

        with doc.create(Section(subject)):
            doc.append(body)

    doc.generate_pdf(dest, clean=False, compiler="xelatex")
    doc.generate_pdf(dest, clean_tex=False, compiler="xelatex")



if __name__ == '__main__':
    parser = argparse.ArgumentParser(description='Converts fragdenstaat mails to PDF')
    parser.add_argument('output', help='Output directory')
    parser.add_argument('source', nargs='*', help='Input files')
    args = parser.parse_args()

    for i, source in enumerate(args.source):
        basename = path.splitext(path.basename(source))[0]
        dest     = "%s/%s" % (args.output, basename)
        generate(source, dest, i+1)