first draft mkparallel.sh

README.md

@@ -12,15 +12,18 @@ This LaTeX code needs a wrapper LaTeX script with
 \usepackage{verse, gmverse}
 ```
 in the preamble and some other features. 
-The path to markdown files, chapter names and other options can be configured in the `conf.sh` file. 
+The path to markdown files, chapter names and other options can be configured in the `verse.conf` file. 
-The `config.sh` file is read by `mkverse.sh`. 
+The `verse.conf file is read by `mkverse.sh`. 
 
 --- 
 
 ## mkverse.sh 
 The `mkverse.sh` script creates a PDF file out of several easy markdown files.
-Some options need to be set in `config.sh` file. 
+Some options need to be set in `vers.conf` file.
-`config.sh` might be renamed to `verse.conf`. 
+A single configuration file can be given to `mkverse.sh` to use instead of `verse.conf`.
+```
+cp verse.conf quaderno.conf
+./mkverse.sh quaderno.conf
 
 --- 
 
@@ -31,6 +34,7 @@ Some options need to be set in `config.sh` file.
 ## pdf2book.py
 This script takes a pdf and reorders pages for printing signatures.
 The number of pages per signature can be varied 
+Dependency: `pypdf`
 ```
 s=1: 1,2,3,4 -> 04,01.02,03  i=0 
                 08,05.06,07  i=1

mkparallel.sh

@@ -0,0 +1,109 @@
+#!/bin/bash 
+# CREATE PDF from markdown files
+#
+
+#set -x 
+set -e
+
+if [ $# -eq 1 ] 
+then 
+	CONF=$1
+else 
+CONF="parallel.conf"
+fi
+
+CONVERTER="md2parallel.sh"
+
+if ! [[ -f $CONF ]] ; then echo "$CONF not found! Exiting ..." && exit ; fi 
+if ! [[ -f $CONVERTER ]] ; then echo "$CONVERTER not found! Exiting ..." && exit ; fi 
+if ! [[ -x $CONVERTER ]] ; then echo "$CONVERTER not executable! Exiting ..." && exit ; fi 
+
+. $CONF
+# SAVE WORKING DIR
+WD=$PWD
+TMPDIR=$(mktemp -d) 
+PATH=$PATH:$WD
+pushd $TMPDIR > /dev/null
+
+# CONVERT MD TO TEX 
+for tex in $( echo $INFILES | grep '.md$' ) 
+do
+	if [[ -f $WD/$tex ]]
+	then 
+		# create parent dir if necassary
+		mkdir -p $(dirname $tex)
+		$CONVERTER $WD/$tex > $( echo $tex | sed "s/.md/.tex/" )
+	else 
+		if [[ $tex == *.md ]]
+		then
+			echo "$WD/$tex does not exist!!!"
+		fi
+	fi
+done 
+
+# CREATE WRAPPER 
+WRAPPER="""
+\documentclass[twoside]{$DOCCLASS}
+\usepackage[fontsize=${FONTSIZE}pt]{fontsize}
+\usepackage[${PAGESIZE}paper]{geometry}
+\usepackage{libertine} % also loads fontspec which is needed for ɔ and ɛ
+\usepackage{minitoc} % make mini table of content for each chapter
+\usepackage{graphicx} % include graphics
+\usepackage{csquotes} % \enquote
+\usepackage{reledmac} % needed for repedpar
+\usepackage{reledpar} % parallel text
+\newcommand{\pagesinclude}[2]{
+	\begin{pages}
+		\begin{Leftside}
+			\beginnumbering
+			\pstart\input{#1}\pend
+			\endnumbering
+		\end{Leftside}
+		\begin{Rightside}
+			\beginnumbering
+			\pstart\input{#2}\pend
+			\endnumbering
+		\end{Rightside}
+	\end{pages} 
+	\Pages
+}
+\title{$TITLE}
+\author{$AUTHOR}
+\begin{document}
+\maketitle
+\tableofcontents
+"""
+WRAPPER_END="""
+\end{document}
+"""
+
+echo "$WRAPPER" > $PROJECT.tex
+# INCLUDE INDIVIDUAL TEX FILE
+first_lang="true"
+for input in $INFILES
+do 
+	if [[ $input == *.md ]]
+	then 
+		if [[ $first_lang == "true" ]] ; then 
+			echo '\pagesinclude' "{ $( echo $input | sed 's/.md/.tex/' ) }" >> $PROJECT.tex 
+			first_lang="false"
+		else
+			echo "{ $( echo $input | sed 's/.md/.tex/' ) }" >> $PROJECT.tex 
+			
+		fi 
+	else 
+		#is chapter 
+		echo '\chapter' " { $input }" >> $PROJECT.tex
+	fi
+	echo '\clearpage' >> $PROJECT.tex
+done 
+echo "$WRAPPER_END" >> $PROJECT.tex
+
+# CREATE PDF 
+$LATEX_ENGINE $PROJECT.tex 2&> /dev/null
+$LATEX_ENGINE $PROJECT.tex 2&> /dev/null
+# $LATEX_ENGINE $PROJECT.tex 
+popd > /dev/null
+cp -r $TMPDIR $WD/$PROJECT
+echo "File $PROJECT.pdf created at $WD/$PROJECT/"
+rm -rf $TMPDIR 

mkverse.sh

@@ -5,12 +5,17 @@
 #set -x 
 set -e
 
-CONF="conf.sh"
+if [ $# -eq 1 ] 
+then 
+	CONF=$1
+else 
+CONF="verse.conf"
+fi
+
 TEMPLATE="verse-wrapper-template.tex"
 CONVERTER="md2verse.sh"
 
 if ! [[ -f $CONF ]] ; then echo "$CONF not found! Exiting ..." && exit ; fi 
-if ! [[ -f $TEMPLATE ]] ; then echo "$TEMPLATE not found! Exiting ..." && exit ; fi 
 if ! [[ -f $CONVERTER ]] ; then echo "$CONVERTER not found! Exiting ..." && exit ; fi 
 if ! [[ -x $CONVERTER ]] ; then echo "$CONVERTER not executable! Exiting ..." && exit ; fi 
 
@@ -19,7 +24,7 @@ if ! [[ -x $CONVERTER ]] ; then echo "$CONVERTER not executable! Exiting ..." &&
 WD=$PWD
 TMPDIR=$(mktemp -d) 
 PATH=$PATH:$WD
-pushd $TMPDIR
+pushd $TMPDIR > /dev/null
 
 # CONVERT MD TO TEX 
 for tex in $( echo $INFILES | grep '.md$' ) 
@@ -30,8 +35,11 @@ do
 		mkdir -p $(dirname $tex)
 		$CONVERTER $WD/$tex > $( echo $tex | sed "s/.md/.tex/" )
 	else 
+		if [[ $tex == *.md ]]
+		then
 			echo "$WD/$tex does not exist!!!"
 		fi
+	fi
 done 
 
 # CREATE WRAPPER 
@@ -74,7 +82,12 @@ done
 echo "$WRAPPER_END" >> $PROJECT.tex
 
 # CREATE PDF 
-$LATEX_ENGINE $PROJECT.tex 
+$LATEX_ENGINE $PROJECT.tex 2&> /dev/null
+$LATEX_ENGINE $PROJECT.tex 2&> /dev/null
+# $LATEX_ENGINE $PROJECT.tex 
 cp $PROJECT.pdf $WD
-popd 
+echo "File $PROJECT.pdf created at $WD"
+#cp $PROJECT.tex $WD
+echo "File $PROJECT.tex created at $WD"
+popd > /dev/null
 rm -rf $TMPDIR 

parallel.conf

@@ -0,0 +1,13 @@
+LATEX_ENGINE="pdflatex"
+DOCCLASS="memoir"
+DOCCLASS_EXTRA="twoside"
+FONTSIZE="10"
+PAGESIZE="a5"
+PROJECT="asem"
+TITLE="Nsɛm wɔ Twi ne Brɔfo\\\LARGE Texts in Twi and English"
+AUTHOR=""
+INFILES="""
+Anansesem - Ghanaian Folk Tales
+testfiles/parallel-ak.md
+testfiles/parallel-en.md
+"""

pdf2book.py

@@ -1,35 +1,43 @@
 #!/usr/bin/env python3 
 
+from pypdf import PdfReader
+from pypdf import PdfWriter
 import argparse 
 parser = argparse.ArgumentParser(
     prog='pdf2book',
     description='pdf2book rearranges pages for signature printing ',
     epilog='AQOABA')
 
-#parser.add_argument('pdf-file')           # positional argument
+parser.add_argument('pdf_file')           # positional argument
-parser.add_argument('pages', type=int)           # positional argument
+#parser.add_argument('pages', type=int)           # positional argument
 #parser.add_argument('-s', '--signature')      # option that takes a value
 parser.add_argument('-v', '--verbose', action='store_true')  # on/off flag
 parser.add_argument('-s', '--signature', 
     dest='signature', 
     type=int,
     action='store',
-    default=1,
+    default=0,
     help='')
 args = parser.parse_args()
 
-s=args.signature
+signature_size=args.signature
-if s < 0 : 
+if signature_size < 0 : 
 #    print("signature size must be greater than 0!")
     print("signature size must be positive integer!")
     exit(1)
-pages=args.pages
+
+reader = PdfReader(args.pdf_file)
+number_of_pages = len(reader.pages)
+#page = reader.pages[0]
+#text = page.extract_text()
+
+pages=number_of_pages
 #print(pages)
 
 lst=[]
 
-def get_reorder(page_number: int, signature_size: int):
+def get_reorder(number_of_pages: int, signature_size: int):
-    panu=page_number
+    panu=number_of_pages
     sisi=signature_size
 
     #  s|  1 |  2 |  3 |  4 | 
@@ -49,23 +57,23 @@ def get_reorder(page_number: int, signature_size: int):
     #12 | 12 | 16 | 12 | 16 |
     #13 | 16 | 16 | 24 | 16 |
           
-    p=page_number
+    p=number_of_pages
     s=signature_size
-    if s == 0:
+    if signature_size == 0:
-        s=1
+        signature_size=1
-        pages_filled= ( int((p-1)/(4*s)) +1 )*4*s
+        pages_filled= ( int((number_of_pages-1)/(4*signature_size)) +1 )*4*signature_size
-        s=int(pages_filled/4)
+        signature_size=int(pages_filled/4)
-    pages_filled= ( int((p-1)/(4*s)) +1 )*4*s
+    pages_filled= ( int((number_of_pages-1)/(4*signature_size)) +1 )*4*signature_size
           
-    signature_count=int( pages_filled/s/4 )
+    signature_count=int( pages_filled/signature_size/4 )
     #print(signature_count)
     for i in range(signature_count):
     #    print("i=",i)
-        down=(i+1)*4*s
+        down=(i+1)*4*signature_size
     #    print("down=",down)
-        up=  (i*4*s)+1
+        up=  (i*4*signature_size)+1
     #    print("up",up)
-        for count in range(s):
+        for count in range(signature_size):
     #        print("count=",count)
             lst.append(down); down -= 1
             lst.append(up);   up   += 1 
@@ -75,14 +83,34 @@ def get_reorder(page_number: int, signature_size: int):
     #print(lst)
     #print(len(lst))
     return lst
-def print_signatures(lst: list,s: int):
+def print_signatures(lst: list,signature_size: int):
-    if s==0: s=1
+    if signature_size==0: signature_size=1
     for i in range( len( lst ) ):
-        if ( (i+1) % (4*s) == 0 ):
+        if ( (i+1) % (4*signature_size) == 0 ):
             print(lst[i])
         elif ( (i+1) % (4) == 0 ):
             print(lst[i], end=' ')
         else:
             print(lst[i],end='.')
-lst=get_reorder(args.pages, args.signature)
+lst=get_reorder(number_of_pages, signature_size)
-print_signatures(lst,s)
+print_signatures(lst,signature_size)
+
+# REARRANGING OF PAGES
+
+def rearrange_pages(reader, lst):
+
+    writer = PdfWriter()
+    for page in lst:
+#        print(page)
+        if page > len(reader.pages):
+            writer.add_blank_page(width=reader.pages[0].mediabox.width,height=reader.pages[0].mediabox.height)
+        else:
+            writer.add_page(reader.pages[page-1])
+
+    return writer
+
+# SAVE FILE TO DISK
+writer=rearrange_pages(reader,lst)
+outfile=args.pdf_file.split(".pdf")[0]+"_book_s"+str(signature_size)+".pdf"
+with open(outfile, "wb") as fp:
+        writer.write(fp)

verse.conf

@@ -10,4 +10,13 @@ Ladainhas
 testfiles/verse.md
 Corridos
 testfiles/verse.md
+testfiles/verse.md
+testfiles/verse.md
+testfiles/verse.md
+testfiles/verse.md
+testfiles/verse.md
+testfiles/verse.md
+Corridos
+testfiles/verse.md
+testfiles/verse.md
 "