def main():
parser = OptionParser(usage="%prog [options] filename",
description="Python to JavaScript compiler.")
parser.add_option("--output",
action="store",
dest="output",
help="write output to OUTPUT")
parser.add_option("-i",
"--include-builtins",
action="store_true",
dest="include_builtins",
default=False,
help="include py-builtins.js library in the output")
parser.add_option(
"-I",
"--import-builtins",
action="store_true",
dest="import_builtins",
default=False,
help="call load('py-builtins.js') to source the standard library")
parser.add_option(
"-N",
"--no-include",
action="store_true",
dest="no_builtins",
default=False,
help=
"Do not include attempt to load py-builtins.js. The generated javascript code will not run by itself, unless this library is included"
)
options, args = parser.parse_args()
if options.include_builtins + options.import_builtins + options.no_builtins <> 1 and len(
args) == 1:
print "You must specify either the -i, -I or -N mode!"
elif len(args) == 1:
filename = args[0]
if options.output:
output = open(options.output, "w")
else:
output = sys.stdout
if options.include_builtins:
builtins = open(path_library).read()
output.write(" Standard library ".center(80, "#") + "\n")
output.write(builtins)
output.write(" User code ".center(80, "#") + "\n")
elif options.import_builtins:
output.write('load("%s");\n' % path_library)
c = Compiler()
c.append_string(open(filename).read())
output.write(str(c))
else:
parser.print_help()
def compile_file(infile, outfile, options):
'''Compile a single python file object to a single javascript output file
object'''
if options.builtins == "include":
builtins = BuiltinGenerator().generate_builtins()
outfile.write("/*%s*/\n" % " Standard library ".center(76, "*"))
outfile.write(builtins)
outfile.write("/*%s*/\n" % " User code ".center(76, "*"))
elif options.builtins == "import":
outfile.write('load("py-builtins.js");\n')
c = Compiler()
c.append_string(infile.read())
outfile.write(str(c))
