brakeconf/build_gui.py

105 lines
2.8 KiB
Python

#!/usr/bin/env python3
import sys, re, os
from collections import deque
from bs4 import BeautifulSoup, Tag
from jsmin import jsmin
from csscompressor import compress
# html param
html = sys.argv[1]
# target param
target = sys.argv[2]
# path from html param
path = re.sub(r"[^\/]*$", "", html)
# open html file
soup = BeautifulSoup(open(html), 'html.parser')
# find last script as anchorpoint
lastScript = soup.findAll("script", attrs = {"src" : True})[-1]
# get all scripts containing src attribute (= external scripts)
scripts = soup.findAll("script", attrs = {"src" : True})
# find last style link as anchorpoint
lastStylesheet = soup.findAll("link", attrs = {"rel" : "stylesheet"})[-1]
# get all links to css stylesheets
stylesheets = soup.findAll("link", attrs = {"rel" : "stylesheet"})
# create list of script srcs
print("\nRead Scripts:")
scriptsSrc = deque()
for script in scripts:
scriptsSrc.append(path + script.attrs["src"])
print("\t" + path + script.attrs["src"])
# create list of stylesheets srcs
print("\nRead Stylesheets:")
stylesheetsSrc = deque()
for stylesheet in stylesheets:
stylesheetsSrc.append(path + stylesheet.attrs["href"])
print("\t" + path + stylesheet.attrs["href"])
# merge scripts to temp.js
print("\nMerge Scripts:")
print("\t", end="")
with open("temp.js", "w") as outfileScript:
for fname in scriptsSrc:
# add space every script
if fname != 'gui//webui.js':
outfileScript.write("\n")
print("~", end="")
with open(fname) as infile:
for line in infile:
outfileScript.write(line)
print("\n");
# merge stylsheets to temp.css
print("Merge Stylesheets:")
print("\t", end="")
with open("temp.css", "w") as outfileCSS:
for fname in stylesheetsSrc:
# add space every script
outfileCSS.write("\n")
print("~", end="")
with open(fname) as infile:
for line in infile:
outfileCSS.write(line)
print("\n");
# minify javascript
print("Minify temp.js\n\t~")
with open("temp.js") as js:
minified_js = jsmin(js.read())
# minify css
print("\nMinify temp.css\n\t~")
with open("temp.css") as css:
minified_css = compress(css.read())
# replace scripts with merged and min embed script / css
print("\nReplacing and deleting\n\t~")
tag = soup.new_tag("script")
tag["type"] = "text/javascript"
tag.append(minified_js)
lastScript.replace_with(tag)
tag = soup.new_tag("style")
tag["type"] = "text/css"
tag.append(minified_css)
lastStylesheet.replace_with(tag)
#remove script and style tags
for script in scripts:
script.decompose()
for stylesheet in stylesheets:
stylesheet.decompose()
#remove temp
os.remove("temp.js")
os.remove("temp.css")
#save html as target
file = open(target,"w")
file.write(soup.prettify())
file.close()
print("\nFIN\n")