def configure(self, config):
self.stop()
if not config['couch_host'] or not config['couch_port']:
return
if not config['sync_enabled']:
return
couch_location = f"{config['couch_host']}:{config['couch_port']}"
creds = ''
if config['couch_username'] and config['couch_password']:
creds = f"{config['couch_username']}:{config['couch_password']}@"
protocol = 'https' if config['use_tls'] else 'http'
couch_prefix = f'{protocol}://{creds}{couch_location}'
for db in ['groceries', 'recipes', 'plans']:
url = f'{couch_prefix}/{db}'
# XXX working around some pyodide js bridge weirdness
sync = eval(
f"sync = PouchDB.sync('{db}', '{url}', {{live:true,retry:true}})"
)
eval(
f"update_{db}_callback = pyodide.runPython('from config import update_{db}_callback; update_{db}_callback')"
)
eval(f"sync.on('change', () => update_{db}_callback())")
self.syncs.append(sync)
console.log(self.syncs)
def __init__(self, config):
self.config = dotdict(config or {})
super().__init__(logger)
self.channel = self.config.get("channel") or "imjoy_rpc"
self._event_handlers = {}
self.peer_id = str(uuid.uuid4())
self.debug = True
_is_web_worker = js.eval(
"typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope"
)
if _is_web_worker:
self._post_message = js.postMessage
else:
self._post_message = js.eval(
"self._post_message = (msg)=>{parent.postMessage(msg, '*')}")
def msg_cb(msg):
data = decode_jsproxy(msg.data)
# TODO: remove the exception for "initialize"
if data.get("peer_id") == self.peer_id or data.get(
"type") == "initialize":
if "type" in data:
if data["type"] == "execute":
self.execute(data)
return
self._fire(data["type"], data)
else:
logger.warn("connection peer id mismatch {} != {}".format(
data.get("peer_id"), self.peer_id))
js.self.addEventListener("message", msg_cb)
def pipe(buffer_id=None):
import js
if buffer_id is None:
po = js.eval('new pipe()')
else:
po = js.eval('new pipe(%i)'%buffer_id)
fileNumbers.append(0)
fileNumbers.append(1)
re,we=fileNumbers.index(0), fileNumbers.index(1)
po.read_end.fno=re
po.write_end.fno=we
fileNumbers[re],fileNumbers[we]=po.read_end, po.write_end
return re,we
def test_js_array_access(self):
import js
a = js.eval("[1,2,3]")
assert a[0] == 1
assert a[1] == 2
assert a[2] == 3
assert a.length == len(a) == 3
def handlerDispatch(self, fn):
wrapper = js.eval('(function(){function %s(){'
'var args=[];'
'for (var i=1;i<arguments.length;i++){'
' args.push(arguments[i]);'
'}'
'%s.handler(%r, args);'
'}; return %s})()' % (fn, fn, fn, fn))
wrapper.handler = self.dispatchFunctionWrapper
return wrapper
def __init__(self, kind, value, maxvalue):
sl = self._semlock = js.eval('new Semaphore(1);')
sl.kind=kind
sl.value=0
sl.maxvalue=maxvalue
debug('created semlock with handle %s' % sl.handle)
self._make_methods()
if sys.platform != 'win32':
def _after_fork(obj):
obj._semlock._after_fork()
register_after_fork(self, _after_fork)
def run_js(code: str, /) -> Any:
"""
A wrapper for the JavaScript 'eval' function.
Runs 'code' as a Javascript code string and returns the result. Unlike
JavaScript's 'eval', if 'code' is not a string we raise a TypeError.
"""
from js import eval
if not isinstance(code, str):
raise TypeError(
f"argument should have type 'string' not type '{type(code).__name__}'"
)
return eval(code)
def execute(self, data):
try:
t = data["code"]["type"]
if t == "script":
content = data["code"]["content"]
js.eval(script_template % (content, content))
self.emit({"type": "executed"})
elif t == "requirements":
def success(result):
self.emit({"type": "executed"})
def fail(error):
self.emit({"type": "executed", "error": str(error)})
install_requirements(data["code"]["requirements"], success,
fail)
else:
raise Exception("unsupported type")
except Exception as e:
traceback_error = traceback.format_exc()
logger.error("error during execution: %s", traceback_error)
self.emit({"type": "executed", "error": traceback_error})
def onHtmlUploadUrlAvailable(self, req):
import js
data = NetworkService.decode(req)["values"]
fileObj, dirKey = req.fileUploadTask["args"]
if "uploadKey" in data: # New Resumeable upload format
self.currentHtmlUpload = {
"key": data["uploadKey"],
"node": dirKey,
"skelType": "leaf",
"fileSize": fileObj.size
}
js.window.fetch(data["uploadUrl"], {
"method": "POST",
"body": fileObj,
"mode": "no-cors"
}).then(self.onHtmlBucketUploadFinished)
else:
formData = js.eval("new FormData();")
for key, value in data["params"].items():
if key == "key":
targetKey = value[:-16] # Truncate source/file.dat
fileName = fileObj.name
value = value.replace("file.dat", fileName)
formData.append(key, value)
formData.append("file", fileObj)
self.currentHtmlUpload = {
"key": targetKey,
"node": dirKey,
"skelType": "leaf",
"fileSize": fileObj.size
}
js.window.fetch(data["url"], {
"method": "POST",
"body": formData,
"mode": "no-cors"
}).then(self.onHtmlBucketUploadFinished)
def test_eval_operates_at_global_scope(self):
import js
js.eval("var x = 12")
assert js.globals.x == 12
def Lock():
import js
return js.eval('new Semaphore(1)');
import js
import bokeh
from bokeh.plotting import figure
import numpy as np
x = np.linspace(-6, 6, 100)
y = np.cos(x)
p = figure(width=500, height=500)
p.circle(x, y, size=7, color="firebrick", alpha=0.5)
script, div = bokeh.embed.components(p)
container = js.document.getElementById("container")
container.innerHTML = div
tmp = js.document.createElement("div")
tmp.innerHTML = script
js.eval(tmp.innerText)
def test_eval_operates_at_global_scope(self):
import js
js.eval("var x = 12")
assert js.globals.x == 12
#!/usr/bin/python
# -*- coding: utf-8 -*-
import sys
import encodings.utf_16_le
import encodings.utf_7
import base64
import pefile
import js
import time
from collections import OrderedDict
bindata = js.eval('bblob')
#tttest=str(ttest);
binarydatastuff = base64.b64decode(str(bindata))
#pe=pefile.PE(data=b);
#print(pe.dump_info());
pe2 = pefile.PE(data=binarydatastuff)
#testi = pe2.dump_dict()
#print(testi)
print(pe2.dump_info())
#imphash = pe.get_imphash()
#print('Imphash: ' + imphash)
#print("PE PRINT:")
#dd = pe.DOS_HEADER.dump_dict()
#js.globals["pe"] = dd;
#print(pe.dump_info())
def eventDispatch(self, fn):
wrapper = js.eval('(function(){function %s(self, node){'
'%s.handler(%r, self, node);'
'}; return %s})()' % (fn, fn, fn, fn))
wrapper.handler = self.dispatchEventWrapper
return wrapper
else:
self.relay(func.func_name, newArgs, kw)
else:
js.globals['console'].log(
'Skipping call to %s: %s doesn\'t relay and I was called from the wrong side' % (
func.func_name, func.func_name))
executor.func_name = func.func_name
return executor
return decorator
if side == 'server':
def convert(l):
return l
else:
jgetattr = js.eval('jgetattr=function(o,attr){return o[attr];};')
def convert(l):
if not isinstance(l, (list, tuple, js.Array)):
if isinstance(l, js.Number):
return (float(l))
elif isinstance(l, js.String):
return (unicode(l))
elif isinstance(l, js.Object):
r = {}
for i in ['name', 'id', 'class', 'value', 'type', '__id__', 'objectID', 'classIdentifier']:
r[i] = convert(jgetattr(l, i))
print 94, r, side
return r
elif isinstance(l, js.Undefined):
return None
return l
def __setstate__(self, state):
self._semlock = js.eval('new Semaphore(1);')
self._semlock.value=state[1]
self._semlock.maxvalue=state[2]
debug('recreated blocker with handle %r' % state[0])
self._make_methods()
nbytes = len(data)
if nbytes == 0:
return 0L
ashex = _binascii.hexlify(data[::-1])
n = long(ashex, 16) # quadratic time before Python 2.3; linear now
if data[-1] >= '\x80':
n -= 1L << (nbytes * 8)
return n
import js
jdir = js.eval('''function jdir(obj){
var L = [];
for (var i in obj) {
L.push(i);
}
return L;
};jdir
''')
jlist = lambda val: [val[i] for i in xrange(val.length)]
Pickler.dispatch[js.Number]=lambda pickler, val: pickler.save(float(val))
Pickler.dispatch[js.String]=lambda pickler, val: pickler.save(unicode(val))
Pickler.dispatch[js.Boolean]=lambda pickler, val: pickler.save(bool(val))
Pickler.dispatch[js.Object]=lambda pickler, val: pickler.save({k:val[k] for k in jlist(jdir(val))})
Pickler.dispatch[js.Array]=lambda pickler, val: pickler.save(jlist(val))
# Shorthands
try:
