libeoaconvert.py

#!/usr/bin/env python3
# -*- coding: utf-8; mode: python -*-

import os
import subprocess
import shlex

if not os.path.exists("tmp_files/tmp_images/"):
    os.makedirs(os.path.expanduser("tmp_files/tmp_images/"))

tmp_image_dir = os.getcwd() + "/tmp_files/tmp_images/"
Datei = open('tmp_files/xelatex-run-images.log', 'w')

# Setup of various dictionaries for localization of various elements
dictLangFootnotes = {"english" : "Footnotes", "italian" : "Note a piè pagina", "french" : "notes en bas de page", "german" : "Fußnoten", "de" : "Fußnoten", "en" : "Footnotes"}

# the new-style footnotes that use LaTeX bigfoot show up in the following order:
footnote_groups = ["decimal", "lower-latin"]

#########################
# Bibliography settings #
#########################
allowed_bibentry_types = ["book", "booklet", "report", "thesis", "misc", "incollection", "inproceedings", "article", "newspaper"]

def get_bigfoot_data(chapter):
    """
    footnotes are per-chapter
    footnote numbers reset for each chapter
    this helper takes a chapter and returns a collection containing its new-style footnotes that use LaTeX bigfoot
    the result is an association list: a list of key-value pairs
    the values are, for each type of footnote, a list of the footnotes of that type, in the order in which they appear in the chapter
    """
    xmlBigfootNotes = list(chapter.findall(".//EOAbigfoot"))
    return [ # a list
        ( # of tuples
            grouping, # the key
            [ # the value: a filter of the above list
                note
                for note
                in xmlBigfootNotes
                if grouping == note.get("list-style-type")
            ],
        )
        for grouping
        in footnote_groups # the types we support
    ]
# def get_bigfoot_data ends here

def sanitizeImage(strImagepath, GM_PATH, TL_PATH):
    """Adjust and convert image for epub standard"""
    print(strImagepath)
    strCommand = GM_PATH + " identify -format \"%w\" " + strImagepath
    listArguments = shlex.split(strCommand)
    exeShell = subprocess.check_output(listArguments, shell=False, universal_newlines=True)
    intImageWidth = int(exeShell)
    if intImageWidth > 1500:
        strCommand = GM_PATH + " convert " + strImagepath + " -resize 1500x\\> " + strImagepath
        listArguments = shlex.split(strCommand)
        subprocess.check_output(listArguments, shell=False)
    strCommand = GM_PATH + " identify -format \"%h\" " + strImagepath
    listArguments = shlex.split(strCommand)
    exeShell = subprocess.check_output(listArguments, shell=False, universal_newlines=True)
    intImageHeight = int(exeShell)
    if intImageHeight > 2000:
        strCommand = GM_PATH + " convert " + strImagepath + " -resize x2000\\> " + strImagepath
        listArguments = shlex.split(strCommand)
        subprocess.check_output(listArguments, shell=False)
    strCommand = GM_PATH + " identify -format \"%m\" " + strImagepath
    listArguments = shlex.split(strCommand)
    exeShell = subprocess.check_output(listArguments, shell=False, universal_newlines=True)
    strFileFormat = str(exeShell)
    strFileFormat = strFileFormat.strip()
    if strFileFormat == "PNG":
        strNewImagepath = os.path.splitext(strImagepath)[0]
        strCommand = GM_PATH + " convert " + strImagepath + " " + strNewImagepath + ".jpg"
        listArguments = shlex.split(strCommand)
        subprocess.call(listArguments)
        os.remove(strImagepath)
        strImagepath = strNewImagepath + ".jpg"
    elif strFileFormat == "PDF":
        strNewImagepath = os.path.splitext(strImagepath)[0]
        clipped_file = strImagepath.replace(".pdf", "-clipped.pdf")

        Kommando = TL_PATH + "texmf-dist/scripts/pdfcrop/pdfcrop.pl --margins 10 --clip --hires " + strImagepath + " " + clipped_file
        print(Kommando)

        Argumente = shlex.split(Kommando)
        subprocess.call(Argumente, cwd=tmp_image_dir, stdout=Datei)

        strCommand = GM_PATH + " convert -density 400 " + clipped_file + " " + strNewImagepath + ".jpg"
        listArguments = shlex.split(strCommand)
        subprocess.call(listArguments)
        print("Removing two files: ", clipped_file, strImagepath)
        os.remove(clipped_file)
        os.remove(strImagepath)
        strImagepath = strNewImagepath + ".jpg"

    # print ("Hier ein Pfad zu einem Bild:")
    # print (strImagepath)

    return strImagepath
# def sanitizeImage ends here

def deb_var(obj):
    """https://stackoverflow.com/questions/592746/how-can-you-print-a-variable-name-in-python"""
    name = [name for name in globals() if globals()[name] is obj][0]
    print("DEBUG: %s: %s" % (name, obj))
# def deb_var ends here