fiatlux/firmware/mkwebfs.py
jedi 8209a9a936
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minify web content
2023-02-12 08:54:29 +01:00

130 lines
4.6 KiB
Python
Executable file

#!/usr/bin/env python3
import os
import gzip
import argparse
import subprocess
parser = argparse.ArgumentParser()
parser.add_argument('-o', '--output', help='Output file name', default='stdout')
parser.add_argument('-W', '--webroot', help='Output file name', default='webdir/')
parser.add_argument('--gzip', dest='gzip', action='store_true')
parser.add_argument('--no-gzip', dest='gzip', action='store_false')
parser.set_defaults(gzip=False)
parser.add_argument('--minify', dest='minify', action='store_true')
parser.add_argument('--no-minify', dest='minify', action='store_false')
parser.set_defaults(minify=False)
parser.add_argument('--header', dest='header', action='store_true')
parser.add_argument('--no-header', dest='header', action='store_false')
parser.set_defaults(header=True)
parser.add_argument('input', nargs='+', default=os.getcwd())
args = parser.parse_args()
def mimeFromName(name):
if name.endswith(".html") or name.endswith(".htm") or name.endswith(".shtml") or name.endswith(
".shtm") or name.endswith(".ssi"):
return "text/html"
if name.endswith(".js"):
return "application/x-javascript"
if name.endswith(".css"):
return "text/css"
if name.endswith(".ico"):
return "image/x-icon"
if name.endswith(".gif"):
return "image/gif"
if name.endswith(".png"):
return "image/png"
if name.endswith(".jpg"):
return "image/jpeg"
if name.endswith(".bmp"):
return "image/bmp"
if name.endswith(".class"):
return "application/octet-stream"
if name.endswith(".ram"):
return "audio/x-pn-realaudio"
return "text/plain"
def dumpBin2CHex(f, b):
oStr = "\t"
n = 0
for val in b:
oStr += hex(val) + ", "
n += 1
if n % 8 == 0:
oStr += "\n\t"
oStr += "\n"
f.write(oStr)
f_fsdata_c = open(args.output, 'w')
f_fsdata_c.write('#include "httpd/fsdata.h"\n\n')
httpFiles = [file for file in args.input if (args.webroot in file)]
lastFileStruct = "NULL"
for file in httpFiles:
response = b''
webPath = ("/" + file.removeprefix(args.webroot)).replace("//", "/")
print("{} > {}".format(file, webPath))
mimeType = mimeFromName(file)
if args.header:
if ("404" in file):
response = b'HTTP/1.0 404 File not found\r\n'
else:
response = b'HTTP/1.0 200 OK\r\n'
response += b"lwIP/1.4.1 (http://savannah.nongnu.org/projects/lwip)\r\n"
response += b'Content-type: ' + mimeType.encode() + b'\r\n'
binFile = open(file, 'rb')
binData = binFile.read()
compEff = False
if args.minify:
p = subprocess.Popen(["minify", "--html-keep-document-tags", "--mime", mimeType], stdin=subprocess.PIPE,
stdout=subprocess.PIPE)
minData = p.communicate(binData)[0]
if len(minData) < len(binData):
print("- Minify: {} -> {}".format(len(binData), len(minData)))
compEff = True
binData = minData
if args.gzip:
compData = gzip.compress(binData, 9)
if len(compData) < len(binData):
compEff = True
print("- Compressed from {} to {}".format(len(binData), len(compData)))
binData = compData
else:
print("- Compression skipped Orig: {} Comp: {}".format(len(binData), len(compData)))
binFile.close()
if compEff:
response += b'Content-Encoding: gzip\r\n'
response += b"\r\n"
response += binData
binFile.close()
escFile = file.replace("/", "_").replace(".", "_")
escFileData = "data_" + escFile
escFileFile = "file_" + escFile
f_fsdata_c.write('static const unsigned char {}[] = {{\n'.format(escFileData))
f_fsdata_c.write('\t/* LOCAL:{} */\n'.format(file))
f_fsdata_c.write('\t/* WEB: {} */\n'.format(webPath))
fnameBin = webPath.encode("ascii") + b'\0'
dumpBin2CHex(f_fsdata_c, fnameBin)
dumpBin2CHex(f_fsdata_c, response)
f_fsdata_c.write("};\n\n")
f_fsdata_c.write("const struct fsdata_file {}[] = {{{{\n {},\n {}, {} + {}, sizeof({}) - {}, 1 }}}};\n\n"
.format(escFileFile, lastFileStruct, escFileData, escFileData, len(fnameBin), escFileData,
len(fnameBin)))
# TODO: The last value is 1 if args.header == True
lastFileStruct = escFileFile
f_fsdata_c.write("\n")
f_fsdata_c.write("#define FS_ROOT {}\n\n".format(lastFileStruct))
f_fsdata_c.write("#define FS_NUMFILES {}\n\n".format(len(httpFiles)))