build.py

#!/usr/bin/env python3 
'''
script to build nf

'''

import os
import sys
import json
import subprocess
from pathlib import Path


print("Starting build")
templates = {}
Path("dist").mkdir( 0o760, True, True )

print("Listing templates")
template_dir="./templates/"
temp = os.listdir(template_dir)
for i in temp:
    with open(f"{template_dir}{i}",'r',encoding='utf-8') as file:
        print(f"Adding template {i}")
        text = file.readlines()
        templates[i] = text


print("Reading src/main.py")
'''Read main.py to memory'''
with open('./src/main.py','r',encoding='utf-8') as file:
    data = file.readlines()

print("Reading editors")
with open('./src/editors.json','r',encoding='utf-8') as file:
    editors = json.load(file)
    editors.sort()
    
print("Sorting editors")
with open('./src/editors.json','w',encoding='utf-8') as file:
    json.dump(editors, file, indent=2)

print("Reading version number")
with open('version','r',encoding='utf-8') as file:
    version = float(file.readlines()[0].strip())


'''Find indexes to replace'''
print("Building...")
VersionIndex = data.index('__VERSION__=""\n')
data[VersionIndex] = f"__VERSION__ = {version}\n"
TemplateIndex = data.index('templates=[]\n')-2
for i in range(4):
    data.pop(TemplateIndex)
data[TemplateIndex] = f"'''\nAutomatically generated templates.\n'''\ntemplates = {json.dumps(templates,indent=2)}\n"
editorsIndex = data.index('    #This line will get replaced by src/editors\n')+1
data[editorsIndex] = f"    editors = {json.dumps(editors,indent=8)}\n"



def get_manual():
    with open('docs/readme.md','r',encoding='utf-8') as file:
        readme = file.read()
    with open('docs/templating.md','r',encoding='utf-8') as file:
        templating = file.read()
    nf_help = subprocess.Popen(['python3', 'dist/nf',"--help"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
    stdout,stderr = nf_help.communicate()
    return f"{readme}\n{templating}\n\nusage:\n<pre>\n{stdout.decode()}\n</pre>\n"


def write():
    '''Write to file'''
    with open('dist/nf', 'w', encoding='utf-8') as file:
        file.writelines(data)
    with open('README.md', 'w', encoding='utf-8') as file:
        file.writelines(get_manual())

#        print("Updating version")
#    with open('version', 'w', encoding='utf-8') as file:
#        file.writelines(str(version))
        print("Build finished")
write()