mirror of
https://github.com/morpheus65535/bazarr
synced 2024-12-25 17:17:12 +00:00
113 lines
4.1 KiB
Python
113 lines
4.1 KiB
Python
__all__ = ['require']
|
|
import subprocess, os, codecs, glob
|
|
from .evaljs import translate_js
|
|
import six
|
|
DID_INIT = False
|
|
DIRNAME = os.path.dirname(os.path.abspath(__file__))
|
|
PY_NODE_MODULES_PATH = os.path.join(DIRNAME, 'py_node_modules')
|
|
|
|
|
|
def _init():
|
|
global DID_INIT
|
|
if DID_INIT:
|
|
return
|
|
assert subprocess.call(
|
|
'node -v', shell=True, cwd=DIRNAME
|
|
) == 0, 'You must have node installed! run: brew install node'
|
|
assert subprocess.call(
|
|
'cd %s;npm install babel-core babel-cli babel-preset-es2015 babel-polyfill babelify browserify'
|
|
% repr(DIRNAME),
|
|
shell=True,
|
|
cwd=DIRNAME) == 0, 'Could not link required node_modules'
|
|
DID_INIT = True
|
|
|
|
|
|
ADD_TO_GLOBALS_FUNC = '''
|
|
;function addToGlobals(name, obj) {
|
|
if (!Object.prototype.hasOwnProperty('_fake_exports')) {
|
|
Object.prototype._fake_exports = {};
|
|
}
|
|
Object.prototype._fake_exports[name] = obj;
|
|
};
|
|
|
|
'''
|
|
# subprocess.call("""node -e 'require("browserify")'""", shell=True)
|
|
GET_FROM_GLOBALS_FUNC = '''
|
|
;function getFromGlobals(name) {
|
|
if (!Object.prototype.hasOwnProperty('_fake_exports')) {
|
|
throw Error("Could not find any value named "+name);
|
|
}
|
|
if (Object.prototype._fake_exports.hasOwnProperty(name)) {
|
|
return Object.prototype._fake_exports[name];
|
|
} else {
|
|
throw Error("Could not find any value named "+name);
|
|
}
|
|
};
|
|
|
|
'''
|
|
|
|
|
|
def require(module_name, include_polyfill=False, update=False):
|
|
assert isinstance(module_name, str), 'module_name must be a string!'
|
|
py_name = module_name.replace('-', '_')
|
|
module_filename = '%s.py' % py_name
|
|
var_name = py_name.rpartition('/')[-1]
|
|
if not os.path.exists(os.path.join(PY_NODE_MODULES_PATH,
|
|
module_filename)) or update:
|
|
_init()
|
|
in_file_name = 'tmp0in439341018923js2py.js'
|
|
out_file_name = 'tmp0out439341018923js2py.js'
|
|
code = ADD_TO_GLOBALS_FUNC
|
|
if include_polyfill:
|
|
code += "\n;require('babel-polyfill');\n"
|
|
code += """
|
|
var module_temp_love_python = require(%s);
|
|
addToGlobals(%s, module_temp_love_python);
|
|
""" % (repr(module_name), repr(module_name))
|
|
with open(os.path.join(DIRNAME, in_file_name), 'wb') as f:
|
|
f.write(code.encode('utf-8') if six.PY3 else code)
|
|
|
|
pkg_name = module_name.partition('/')[0]
|
|
# make sure the module is installed
|
|
assert subprocess.call(
|
|
'cd %s;npm install %s' % (repr(DIRNAME), pkg_name),
|
|
shell=True,
|
|
cwd=DIRNAME
|
|
) == 0, 'Could not install the required module: ' + pkg_name
|
|
|
|
# convert the module
|
|
assert subprocess.call(
|
|
'''node -e "(require('browserify')('./%s').bundle(function (err,data) {fs.writeFile('%s', require('babel-core').transform(data, {'presets': require('babel-preset-es2015')}).code, ()=>{});}))"'''
|
|
% (in_file_name, out_file_name),
|
|
shell=True,
|
|
cwd=DIRNAME,
|
|
) == 0, 'Error when converting module to the js bundle'
|
|
|
|
os.remove(os.path.join(DIRNAME, in_file_name))
|
|
with codecs.open(os.path.join(DIRNAME, out_file_name), "r",
|
|
"utf-8") as f:
|
|
js_code = f.read()
|
|
os.remove(os.path.join(DIRNAME, out_file_name))
|
|
|
|
js_code += GET_FROM_GLOBALS_FUNC
|
|
js_code += ';var %s = getFromGlobals(%s);%s' % (
|
|
var_name, repr(module_name), var_name)
|
|
print('Please wait, translating...')
|
|
py_code = translate_js(js_code)
|
|
|
|
dirname = os.path.dirname(
|
|
os.path.join(PY_NODE_MODULES_PATH, module_filename))
|
|
if not os.path.isdir(dirname):
|
|
os.makedirs(dirname)
|
|
with open(os.path.join(PY_NODE_MODULES_PATH, module_filename),
|
|
'wb') as f:
|
|
f.write(py_code.encode('utf-8') if six.PY3 else py_code)
|
|
else:
|
|
with codecs.open(
|
|
os.path.join(PY_NODE_MODULES_PATH, module_filename), "r",
|
|
"utf-8") as f:
|
|
py_code = f.read()
|
|
|
|
context = {}
|
|
exec (py_code, context)
|
|
return context['var'][var_name].to_py()
|