def _transport_js_spidermonkey(obj, indent):
"""
Generate Javascript source that loads the dump done by Python, dumps it
again, and outputs this dump which is again loaded by Python.
(this requires an installed ``js`` shell from Spidermonkey
"""
dump = ul4on.dumps(obj, indent=indent)
js = "obj = ul4on.loads({});\nprint(JSON.stringify(ul4on.dumps(obj, {})));\n".format(
ul4c._asjson(dump), ul4c._asjson(indent))
f = sys._getframe(1)
print("Testing UL4ON via Spidermonkey ({}, line {}):".format(
f.f_code.co_filename, f.f_lineno))
print(js)
with tempfile.NamedTemporaryFile(mode="wb", suffix=".js") as f:
f.write(js.encode("utf-8"))
f.flush()
dir = os.path.expanduser("~/checkouts/LivingLogic.Javascript.ul4")
fmt = "js -f {dir}/ul4.js -f {fn}"
result = subprocess.run(fmt.format(dir=dir, fn=f.name),
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
shell=True)
stdout = result.stdout.decode("utf-8")
stderr = result.stderr.decode("utf-8")
# Check if we have an exception
if result.returncode:
print(stdout, file=sys.stdout)
print(stderr, file=sys.stderr)
raise RuntimeError((stderr or stdout).splitlines()[0])
print("Got result {!r}".format(stdout))
return ul4on.loads(json.loads(stdout))
def _transport_java(obj, indent):
"""
Generate Java source that loads the dump done by Python, dumps it again,
and outputs this dump which is again loaded by Python.
(this requires an installed Java compiler and the Java UL4 jar)
"""
f = sys._getframe(1)
print(
f"Testing UL4ON via Java ({f.f_code.co_filename}, line {f.f_lineno}):")
dump = ul4on.dumps(obj, indent=indent)
code = f"""
String input = {misc.javaexpr(dump)};
Object object = com.livinglogic.ul4on.Utils.loads(input, null);
String output = com.livinglogic.ul4on.Utils.dumps(object, {misc.javaexpr(indent)});
// We can't use ``System.out.print`` here, because this gives us no control over the encoding
// Use ``System.out.write`` to make sure the output is in UTF-8
byte[] outputBytes = output.getBytes("utf-8");
System.out.write(outputBytes, 0, outputBytes.length);
"""
output = java_runsource(code)
return ul4on.loads(output)
def _transport_js_v8(obj, indent):
"""
Generate Javascript source that loads the dump done by Python, dumps it
again, and outputs this dump which is again loaded by Python.
(this requires an installed ``d8`` shell from V8 (http://code.google.com/p/v8/))
"""
dump = ul4on.dumps(obj, indent=indent)
js = f"obj = ul4on.loads({ul4c._asjson(dump)});\nprint(ul4on.dumps(obj, {ul4c._asjson(indent)}));\n"
f = sys._getframe(1)
print(
f"Testing UL4ON via V8 ({f.f_code.co_filename}, line {f.f_lineno:,}):")
print(js)
with tempfile.NamedTemporaryFile(mode="wb", suffix=".js") as f:
f.write(js.encode("utf-8"))
f.flush()
dir = os.path.expanduser("~/checkouts/LivingLogic.Javascript.ul4")
cmd = f"d8 {dir}/ul4.js {f.name}"
result = subprocess.run(cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
shell=True)
stdout = result.stdout.decode("utf-8")
stderr = result.stderr.decode("utf-8")
# Check if we have an exception
if result.returncode:
print(stdout, file=sys.stdout)
print(stderr, file=sys.stderr)
raise RuntimeError((stderr or stdout).splitlines()[0])
output = stdout[:-1] # Drop the "\n"
print(f"Got result {output!r}")
return ul4on.loads(output)
def _transport_js_node(obj, indent):
"""
Generate Javascript source that loads the dump done by Python, dumps it
again, and outputs this dump which is again loaded by Python.
(this requires an installed ``node`` command from Node
"""
dump = ul4on.dumps(obj, indent=indent)
js = f"""
const ll = require('{home}/checkouts/LivingLogic.Javascript.ul4/ul4.min');
const ul4on = ll.ul4on;
obj = ul4on.loads({ul4c._asjson(dump)});
console.log(JSON.stringify(ul4on.dumps(obj, {ul4c._asjson(indent)})));
"""
f = sys._getframe(1)
print(f"Testing UL4ON via Node ({f.f_code.co_filename}, line {f.f_lineno:,}):")
print(js)
with tempfile.NamedTemporaryFile(mode="wb", suffix=".js") as f:
f.write(js.encode("utf-8"))
f.flush()
dir = os.path.expanduser("~/checkouts/LivingLogic.Javascript.ul4")
cmd = f"node {f.name}"
result = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
stdout = result.stdout.decode("utf-8")
stderr = result.stderr.decode("utf-8")
# Check if we have an exception
if result.returncode:
print(stdout, file=sys.stdout)
print(stderr, file=sys.stderr)
raise RuntimeError((stderr or stdout).splitlines()[0])
print(f"Got result {stdout!r}")
return ul4on.loads(json.loads(stdout))
def _transport_js_v8(obj, indent):
"""
Generate Javascript source that loads the dump done by Python, dumps it
again, and outputs this dump which is again loaded by Python.
(this requires an installed ``d8`` shell from V8 (http://code.google.com/p/v8/))
"""
dump = ul4on.dumps(obj, indent=indent)
js = f"obj = ul4on.loads({ul4c._asjson(dump)});\nprint(ul4on.dumps(obj, {ul4c._asjson(indent)}));\n"
f = sys._getframe(1)
print(f"Testing UL4ON via V8 ({f.f_code.co_filename}, line {f.f_lineno:,}):")
print(js)
with tempfile.NamedTemporaryFile(mode="wb", suffix=".js") as f:
f.write(js.encode("utf-8"))
f.flush()
dir = os.path.expanduser("~/checkouts/LivingLogic.Javascript.ul4")
cmd = f"d8 {dir}/ul4.js {f.name}"
result = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
stdout = result.stdout.decode("utf-8")
stderr = result.stderr.decode("utf-8")
# Check if we have an exception
if result.returncode:
print(stdout, file=sys.stdout)
print(stderr, file=sys.stderr)
raise RuntimeError((stderr or stdout).splitlines()[0])
output = stdout[:-1] # Drop the "\n"
print(f"Got result {output!r}")
return ul4on.loads(output)
def _transport_js_node(obj, indent):
"""
Generate Javascript source that loads the dump done by Python, dumps it
again, and outputs this dump which is again loaded by Python.
(this requires an installed ``node`` command from Node
"""
dump = ul4on.dumps(obj, indent=indent)
js = f"""
const ll = require('{home}/checkouts/LivingLogic.Javascript.ul4/ul4.min');
const ul4on = ll.ul4on;
obj = ul4on.loads({ul4c._asjson(dump)});
console.log(JSON.stringify(ul4on.dumps(obj, {ul4c._asjson(indent)})));
"""
f = sys._getframe(1)
print(
f"Testing UL4ON via Node ({f.f_code.co_filename}, line {f.f_lineno:,}):"
)
print(js)
with tempfile.NamedTemporaryFile(mode="wb", suffix=".js") as f:
f.write(js.encode("utf-8"))
f.flush()
dir = os.path.expanduser("~/checkouts/LivingLogic.Javascript.ul4")
cmd = f"node {f.name}"
result = subprocess.run(cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
shell=True)
stdout = result.stdout.decode("utf-8")
stderr = result.stderr.decode("utf-8")
# Check if we have an exception
if result.returncode:
print(stdout, file=sys.stdout)
print(stderr, file=sys.stderr)
raise RuntimeError((stderr or stdout).splitlines()[0])
print(f"Got result {stdout!r}")
return ul4on.loads(json.loads(stdout))
def _transport_java(obj, indent):
"""
Generate Java source that loads the dump done by Python, dumps it again,
and outputs this dump which is again loaded by Python.
(this requires an installed Java compiler and the Java UL4 jar)
"""
f = sys._getframe(1)
print(f"Testing UL4ON via Java ({f.f_code.co_filename}, line {f.f_lineno}):")
dump = ul4on.dumps(obj, indent=indent)
code = f"""
String input = {misc.javaexpr(dump)};
Object object = com.livinglogic.ul4on.Utils.loads(input, null);
String output = com.livinglogic.ul4on.Utils.dumps(object, {misc.javaexpr(indent)});
// We can't use ``System.out.print`` here, because this gives us no control over the encoding
// Use ``System.out.write`` to make sure the output is in UTF-8
byte[] outputBytes = output.getBytes("utf-8");
System.out.write(outputBytes, 0, outputBytes.length);
"""
output = java_runsource(code)
return ul4on.loads(output)
def _transport_python(obj, indent, registry):
return ul4on.loads(ul4on.dumps(obj, indent=indent), registry=registry)
def _transport_python(obj, indent, registry): return ul4on.loads(ul4on.dumps(obj, indent=indent), registry=registry)