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pyodide.js
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!(function (global, factory) {
"object" == typeof exports && "undefined" != typeof module
? factory(exports)
: "function" == typeof define && define.amd
? define(["exports"], factory)
: factory(
((global =
"undefined" != typeof globalThis
? globalThis
: global || self).loadPyodide = {})
);
})(this, function (exports) {
"use strict";
let Module = {};
function setStandardStreams(stdin, stdout, stderr) {
stdout && (Module.print = stdout),
stderr && (Module.printErr = stderr),
stdin &&
(Module.preRun = [
function () {
Module.FS.init(
(function (stdin) {
const encoder = new TextEncoder();
let input = new Uint8Array(0),
inputIndex = -1;
function stdinWrapper() {
try {
if (-1 === inputIndex) {
let text = stdin();
if (null == text) return null;
if ("string" != typeof text)
throw new TypeError(
`Expected stdin to return string, null, or undefined, got type ${typeof text}.`
);
text.endsWith("\n") || (text += "\n"),
(input = encoder.encode(text)),
(inputIndex = 0);
}
if (inputIndex < input.length) {
let character = input[inputIndex];
return inputIndex++, character;
}
return (inputIndex = -1), null;
} catch (e) {
throw (
(console.error("Error thrown in stdin:"),
console.error(e),
e)
);
}
}
return stdinWrapper;
})(stdin),
null,
null
);
},
]);
}
(Module.noImageDecoding = !0),
(Module.noAudioDecoding = !0),
(Module.noWasmDecoding = !1),
(Module.preloadedWasm = {});
const IN_NODE =
"undefined" != typeof process && "undefined" !== process.release.name;
let baseURL;
async function initializePackageIndex(indexURL) {
let package_json;
if (((baseURL = indexURL), IN_NODE)) {
const fsPromises = await import("fs/promises"),
package_string = await fsPromises.readFile(`${indexURL}packages.json`);
package_json = JSON.parse(package_string);
} else {
let response = await fetch(`${indexURL}packages.json`);
package_json = await response.json();
}
if (!package_json.packages)
throw new Error(
"Loaded packages.json does not contain the expected key 'packages'."
);
(Module.packages = package_json.packages),
(Module._import_name_to_package_name = new Map());
for (let name of Object.keys(Module.packages))
for (let import_name of Module.packages[name].imports)
Module._import_name_to_package_name.set(import_name, name);
}
const package_uri_regexp = /^.*?([^\/]*)\.js$/;
function _uri_to_package_name(package_uri) {
let match = package_uri_regexp.exec(package_uri);
if (match) return match[1].toLowerCase();
}
let loadScript;
if (globalThis.document) loadScript = (url) => import(url);
else if (globalThis.importScripts)
loadScript = async (url) => {
globalThis.importScripts(url);
};
else {
if ("undefined" == typeof process || "node" !== process.release.name)
throw new Error("Cannot determine runtime environment");
{
const pathPromise = import("path").then((M) => M.default),
fetchPromise = import("node-fetch").then((M) => M.default),
vmPromise = import("vm").then((M) => M.default);
loadScript = async (url) => {
if (url.includes("://")) {
const fetch = await fetchPromise;
(await vmPromise).runInThisContext(await (await fetch(url)).text());
} else {
const path = await pathPromise;
await import(path.resolve(url));
}
};
}
}
function recursiveDependencies(
names,
_messageCallback,
errorCallback,
sharedLibsOnly
) {
const toLoad = new Map(),
addPackage = (name) => {
if (
((name = name.toLowerCase()),
!toLoad.has(name) &&
(toLoad.set(name, "default channel"),
void 0 === loadedPackages[name]))
)
for (let dep_name of Module.packages[name].depends)
addPackage(dep_name);
};
for (let name of names) {
const pkgname = _uri_to_package_name(name);
toLoad.has(pkgname) && toLoad.get(pkgname) !== name
? errorCallback(
`Loading same package ${pkgname} from ${name} and ${toLoad.get(
pkgname
)}`
)
: void 0 === pkgname
? ((name = name.toLowerCase()),
name in Module.packages
? addPackage(name)
: errorCallback(`Skipping unknown package '${name}'`))
: toLoad.set(pkgname, name);
}
if (sharedLibsOnly) {
let onlySharedLibs = new Map();
for (let c of toLoad) {
let name = c[0];
Module.packages[name].shared_library &&
onlySharedLibs.set(name, toLoad.get(name));
}
return onlySharedLibs;
}
return toLoad;
}
async function _loadPackage(names, messageCallback, errorCallback) {
let toLoad = recursiveDependencies(names, 0, errorCallback);
if (
((Module.locateFile = (path) => {
let pkg = path.replace(/\.data$/, "");
if (toLoad.has(pkg)) {
let package_uri = toLoad.get(pkg);
if ("default channel" != package_uri)
return package_uri.replace(/\.js$/, ".data");
}
return baseURL + path;
}),
0 === toLoad.size)
)
return Promise.resolve("No new packages to load");
messageCallback(`Loading ${Array.from(toLoad.keys()).join(", ")}`);
let scriptPromises = [];
for (let [pkg, uri] of toLoad) {
let loaded = loadedPackages[pkg];
if (void 0 !== loaded) {
if (loaded === uri || "default channel" === uri) {
messageCallback(`${pkg} already loaded from ${loaded}`);
continue;
}
errorCallback(
`URI mismatch, attempting to load package ${pkg} from ${uri} while it is already loaded from ${loaded}. To override a dependency, load the custom package first.`
);
continue;
}
let pkgname = (Module.packages[pkg] && Module.packages[pkg].name) || pkg,
scriptSrc = "default channel" === uri ? `${baseURL}${pkgname}.js` : uri;
messageCallback(`Loading ${pkg} from ${scriptSrc}`),
scriptPromises.push(
loadScript(scriptSrc).catch((e) => {
errorCallback(`Couldn't load package from URL ${scriptSrc}`, e),
toLoad.delete(pkg);
})
);
}
try {
await Promise.all(scriptPromises).then(function () {
const promise = new Promise((r) => {
Module.monitorRunDependencies = (n) => {
0 === n && r();
};
});
return (
Module.addRunDependency("dummy"),
Module.removeRunDependency("dummy"),
promise
);
});
} finally {
delete Module.monitorRunDependencies;
}
let resolveMsg,
packageList = [];
for (let [pkg, uri] of toLoad)
(loadedPackages[pkg] = uri), packageList.push(pkg);
if (packageList.length > 0) {
resolveMsg = `Loaded ${packageList.join(", ")}`;
} else resolveMsg = "No packages loaded";
Module.reportUndefinedSymbols(),
messageCallback(resolveMsg),
Module.runPythonSimple(
"import importlib\nimportlib.invalidate_caches()\n"
);
}
let _package_lock = Promise.resolve();
let loadedPackages = {};
async function loadPackage(names, messageCallback, errorCallback) {
if (Module.isPyProxy(names)) {
let temp;
try {
temp = names.toJs();
} finally {
names.destroy();
}
names = temp;
}
Array.isArray(names) || (names = [names]);
let oldPlugin,
sharedLibraryNames = [];
try {
let sharedLibraryPackagesToLoad = recursiveDependencies(
names,
0,
errorCallback,
!0
);
for (let pkg of sharedLibraryPackagesToLoad)
sharedLibraryNames.push(pkg[0]);
} catch (e) {}
for (let p in Module.preloadPlugins)
if (Module.preloadPlugins[p].canHandle("test.so")) {
oldPlugin = Module.preloadPlugins[p];
break;
}
var loadPluginOverride = new Proxy(oldPlugin, {
get: function (obj, prop) {
return "handle" === prop
? function (bytes, name) {
obj[prop].apply(obj, arguments),
(this.asyncWasmLoadPromise = this.asyncWasmLoadPromise.then(
function () {
Module.loadDynamicLibrary(name, {
global: !0,
nodelete: !0,
});
}
));
}
: obj[prop];
},
});
Module.preloadPlugins.unshift(loadPluginOverride);
let releaseLock = await (async function () {
let releaseLock,
old_lock = _package_lock;
return (
(_package_lock = new Promise((resolve) => (releaseLock = resolve))),
await old_lock,
releaseLock
);
})();
try {
await _loadPackage(
sharedLibraryNames,
messageCallback || console.log,
errorCallback || console.error
),
Module.preloadPlugins.shift(loadPluginOverride),
await _loadPackage(
names,
messageCallback || console.log,
errorCallback || console.error
);
} finally {
releaseLock();
}
}
function isPyProxy(jsobj) {
return !!jsobj && void 0 !== jsobj.$$ && "PyProxy" === jsobj.$$.type;
}
(Module.isPyProxy = isPyProxy),
globalThis.FinalizationRegistry
? (Module.finalizationRegistry = new FinalizationRegistry(
([ptr, cache]) => {
pyproxy_decref_cache(cache);
try {
Module._Py_DecRef(ptr);
} catch (e) {
Module.fatal_error(e);
}
}
))
: (Module.finalizationRegistry = { register() {}, unregister() {} });
let trace_pyproxy_alloc,
trace_pyproxy_dealloc,
pyproxy_alloc_map = new Map();
function _getPtr(jsobj) {
let ptr = jsobj.$$.ptr;
if (null === ptr)
throw new Error(
jsobj.$$.destroyed_msg || "Object has already been destroyed"
);
return ptr;
}
(Module.pyproxy_alloc_map = pyproxy_alloc_map),
(Module.enable_pyproxy_allocation_tracing = function () {
(trace_pyproxy_alloc = function (proxy) {
pyproxy_alloc_map.set(proxy, Error().stack);
}),
(trace_pyproxy_dealloc = function (proxy) {
pyproxy_alloc_map.delete(proxy);
});
}),
(Module.disable_pyproxy_allocation_tracing = function () {
(trace_pyproxy_alloc = function (proxy) {}),
(trace_pyproxy_dealloc = function (proxy) {});
}),
Module.disable_pyproxy_allocation_tracing(),
(Module.pyproxy_new = function (ptrobj, cache) {
let target,
flags = Module._pyproxy_getflags(ptrobj),
cls = Module.getPyProxyClass(flags);
if (
(256 & flags
? ((target = Reflect.construct(Function, [], cls)),
delete target.length,
delete target.name,
(target.prototype = void 0))
: (target = Object.create(cls.prototype)),
!cache)
) {
cache = { cacheId: Module.hiwire.new_value(new Map()), refcnt: 0 };
}
cache.refcnt++,
Object.defineProperty(target, "$$", {
value: { ptr: ptrobj, type: "PyProxy", borrowed: !1, cache: cache },
}),
Module._Py_IncRef(ptrobj);
let proxy = new Proxy(target, PyProxyHandlers);
return (
trace_pyproxy_alloc(proxy),
Module.finalizationRegistry.register(proxy, [ptrobj, cache], proxy),
proxy
);
});
let pyproxyClassMap = new Map();
(Module.getPyProxyClass = function (flags) {
let result = pyproxyClassMap.get(flags);
if (result) return result;
let descriptors = {};
for (let [feature_flag, methods] of [
[1, PyProxyLengthMethods],
[2, PyProxyGetItemMethods],
[4, PyProxySetItemMethods],
[8, PyProxyContainsMethods],
[16, PyProxyIterableMethods],
[32, PyProxyIteratorMethods],
[64, PyProxyAwaitableMethods],
[128, PyProxyBufferMethods],
[256, PyProxyCallableMethods],
])
flags & feature_flag &&
Object.assign(
descriptors,
Object.getOwnPropertyDescriptors(methods.prototype)
);
(descriptors.constructor = Object.getOwnPropertyDescriptor(
PyProxyClass.prototype,
"constructor"
)),
Object.assign(
descriptors,
Object.getOwnPropertyDescriptors({ $$flags: flags })
);
let new_proto = Object.create(PyProxyClass.prototype, descriptors);
function NewPyProxyClass() {}
return (
(NewPyProxyClass.prototype = new_proto),
pyproxyClassMap.set(flags, NewPyProxyClass),
NewPyProxyClass
);
}),
(Module.PyProxy_getPtr = _getPtr),
(Module.pyproxy_mark_borrowed = function (proxy) {
proxy.$$.borrowed = !0;
});
function pyproxy_decref_cache(cache) {
if (cache && (cache.refcnt--, 0 === cache.refcnt)) {
let cache_map = Module.hiwire.pop_value(cache.cacheId);
for (let proxy_id of cache_map.values())
Module.pyproxy_destroy(
Module.hiwire.pop_value(proxy_id),
"This borrowed attribute proxy was automatically destroyed in the process of destroying the proxy it was borrowed from. Try using the 'copy' method."
);
}
}
(Module.pyproxy_destroy = function (proxy, destroyed_msg) {
let ptrobj = _getPtr(proxy);
Module.finalizationRegistry.unregister(proxy),
(proxy.$$.ptr = null),
(proxy.$$.destroyed_msg = destroyed_msg),
pyproxy_decref_cache(proxy.$$.cache);
try {
Module._Py_DecRef(ptrobj), trace_pyproxy_dealloc(proxy);
} catch (e) {
Module.fatal_error(e);
}
}),
(Module.callPyObjectKwargs = function (ptrobj, ...jsargs) {
let kwargs = jsargs.pop(),
num_pos_args = jsargs.length,
kwargs_names = Object.keys(kwargs),
kwargs_values = Object.values(kwargs),
num_kwargs = kwargs_names.length;
jsargs.push(...kwargs_values);
let idresult,
idargs = Module.hiwire.new_value(jsargs),
idkwnames = Module.hiwire.new_value(kwargs_names);
try {
idresult = Module.__pyproxy_apply(
ptrobj,
idargs,
num_pos_args,
idkwnames,
num_kwargs
);
} catch (e) {
Module.fatal_error(e);
} finally {
Module.hiwire.decref(idargs), Module.hiwire.decref(idkwnames);
}
return (
0 === idresult && Module._pythonexc2js(),
Module.hiwire.pop_value(idresult)
);
}),
(Module.callPyObject = function (ptrobj, ...jsargs) {
return Module.callPyObjectKwargs(ptrobj, ...jsargs, {});
});
class PyProxyClass {
constructor() {
throw new TypeError("PyProxy is not a constructor");
}
get [Symbol.toStringTag]() {
return "PyProxy";
}
get type() {
let ptrobj = _getPtr(this);
return Module.hiwire.pop_value(Module.__pyproxy_type(ptrobj));
}
toString() {
let jsref_repr,
ptrobj = _getPtr(this);
try {
jsref_repr = Module.__pyproxy_repr(ptrobj);
} catch (e) {
Module.fatal_error(e);
}
return (
0 === jsref_repr && Module._pythonexc2js(),
Module.hiwire.pop_value(jsref_repr)
);
}
destroy(destroyed_msg) {
this.$$.borrowed || Module.pyproxy_destroy(this, destroyed_msg);
}
copy() {
let ptrobj = _getPtr(this);
return Module.pyproxy_new(ptrobj, this.$$.cache);
}
toJs({
depth: depth = -1,
pyproxies: pyproxies,
create_pyproxies: create_pyproxies = !0,
dict_converter: dict_converter,
} = {}) {
let idresult,
proxies_id,
ptrobj = _getPtr(this),
dict_converter_id = 0;
(proxies_id = create_pyproxies
? pyproxies
? Module.hiwire.new_value(pyproxies)
: Module.hiwire.new_value([])
: 0),
dict_converter &&
(dict_converter_id = Module.hiwire.new_value(dict_converter));
try {
idresult = Module._python2js_custom_dict_converter(
ptrobj,
depth,
proxies_id,
dict_converter_id
);
} catch (e) {
Module.fatal_error(e);
} finally {
Module.hiwire.decref(proxies_id),
Module.hiwire.decref(dict_converter_id);
}
return (
0 === idresult && Module._pythonexc2js(),
Module.hiwire.pop_value(idresult)
);
}
supportsLength() {
return !!(1 & this.$$flags);
}
supportsGet() {
return !!(2 & this.$$flags);
}
supportsSet() {
return !!(4 & this.$$flags);
}
supportsHas() {
return !!(8 & this.$$flags);
}
isIterable() {
return !!(48 & this.$$flags);
}
isIterator() {
return !!(32 & this.$$flags);
}
isAwaitable() {
return !!(64 & this.$$flags);
}
isBuffer() {
return !!(128 & this.$$flags);
}
isCallable() {
return !!(256 & this.$$flags);
}
}
class PyProxyLengthMethods {
get length() {
let length,
ptrobj = _getPtr(this);
try {
length = Module._PyObject_Size(ptrobj);
} catch (e) {
Module.fatal_error(e);
}
return -1 === length && Module._pythonexc2js(), length;
}
}
class PyProxyGetItemMethods {
get(key) {
let idresult,
ptrobj = _getPtr(this),
idkey = Module.hiwire.new_value(key);
try {
idresult = Module.__pyproxy_getitem(ptrobj, idkey);
} catch (e) {
Module.fatal_error(e);
} finally {
Module.hiwire.decref(idkey);
}
if (0 === idresult) {
if (!Module._PyErr_Occurred()) return;
Module._pythonexc2js();
}
return Module.hiwire.pop_value(idresult);
}
}
class PyProxySetItemMethods {
set(key, value) {
let errcode,
ptrobj = _getPtr(this),
idkey = Module.hiwire.new_value(key),
idval = Module.hiwire.new_value(value);
try {
errcode = Module.__pyproxy_setitem(ptrobj, idkey, idval);
} catch (e) {
Module.fatal_error(e);
} finally {
Module.hiwire.decref(idkey), Module.hiwire.decref(idval);
}
-1 === errcode && Module._pythonexc2js();
}
delete(key) {
let errcode,
ptrobj = _getPtr(this),
idkey = Module.hiwire.new_value(key);
try {
errcode = Module.__pyproxy_delitem(ptrobj, idkey);
} catch (e) {
Module.fatal_error(e);
} finally {
Module.hiwire.decref(idkey);
}
-1 === errcode && Module._pythonexc2js();
}
}
class PyProxyContainsMethods {
has(key) {
let result,
ptrobj = _getPtr(this),
idkey = Module.hiwire.new_value(key);
try {
result = Module.__pyproxy_contains(ptrobj, idkey);
} catch (e) {
Module.fatal_error(e);
} finally {
Module.hiwire.decref(idkey);
}
return -1 === result && Module._pythonexc2js(), 1 === result;
}
}
class TempError extends Error {}
class PyProxyIterableMethods {
[Symbol.iterator]() {
let iterptr,
ptrobj = _getPtr(this),
token = {};
try {
iterptr = Module._PyObject_GetIter(ptrobj);
} catch (e) {
Module.fatal_error(e);
}
let result = (function* (iterptr, token) {
try {
if (0 === iterptr) throw new TempError();
let item;
for (; (item = Module.__pyproxy_iter_next(iterptr)); )
yield Module.hiwire.pop_value(item);
if (Module._PyErr_Occurred()) throw new TempError();
} catch (e) {
e instanceof TempError
? Module._pythonexc2js()
: Module.fatal_error(e);
} finally {
Module.finalizationRegistry.unregister(token),
Module._Py_DecRef(iterptr);
}
})(iterptr, token);
return (
Module.finalizationRegistry.register(result, [iterptr, void 0], token),
result
);
}
}
class PyProxyIteratorMethods {
[Symbol.iterator]() {
return this;
}
next(arg) {
let idresult,
done,
idarg = Module.hiwire.new_value(arg);
try {
(idresult = Module.__pyproxyGen_Send(_getPtr(this), idarg)),
(done = 0 === idresult),
done && (idresult = Module.__pyproxyGen_FetchStopIterationValue());
} catch (e) {
Module.fatal_error(e);
} finally {
Module.hiwire.decref(idarg);
}
return (
done && 0 === idresult && Module._pythonexc2js(),
{ done: done, value: Module.hiwire.pop_value(idresult) }
);
}
}
let PyProxyHandlers = {
isExtensible: () => !0,
has: (jsobj, jskey) =>
!!Reflect.has(jsobj, jskey) ||
("symbol" != typeof jskey &&
(jskey.startsWith("$") && (jskey = jskey.slice(1)),
(function (jsobj, jskey) {
let result,
ptrobj = _getPtr(jsobj),
idkey = Module.hiwire.new_value(jskey);
try {
result = Module.__pyproxy_hasattr(ptrobj, idkey);
} catch (e) {
Module.fatal_error(e);
} finally {
Module.hiwire.decref(idkey);
}
return -1 === result && Module._pythonexc2js(), 0 !== result;
})(jsobj, jskey))),
get(jsobj, jskey) {
if (jskey in jsobj || "symbol" == typeof jskey)
return Reflect.get(jsobj, jskey);
jskey.startsWith("$") && (jskey = jskey.slice(1));
let idresult = (function (jsobj, jskey) {
let idresult,
ptrobj = _getPtr(jsobj),
idkey = Module.hiwire.new_value(jskey),
cacheId = jsobj.$$.cache.cacheId;
try {
idresult = Module.__pyproxy_getattr(ptrobj, idkey, cacheId);
} catch (e) {
Module.fatal_error(e);
} finally {
Module.hiwire.decref(idkey);
}
return (
0 === idresult && Module._PyErr_Occurred() && Module._pythonexc2js(),
idresult
);
})(jsobj, jskey);
return 0 !== idresult ? Module.hiwire.pop_value(idresult) : void 0;
},
set(jsobj, jskey, jsval) {
let descr = Object.getOwnPropertyDescriptor(jsobj, jskey);
if (descr && !descr.writable)
throw new TypeError(`Cannot set read only field '${jskey}'`);
return "symbol" == typeof jskey
? Reflect.set(jsobj, jskey, jsval)
: (jskey.startsWith("$") && (jskey = jskey.slice(1)),
(function (jsobj, jskey, jsval) {
let errcode,
ptrobj = _getPtr(jsobj),
idkey = Module.hiwire.new_value(jskey),
idval = Module.hiwire.new_value(jsval);
try {
errcode = Module.__pyproxy_setattr(ptrobj, idkey, idval);
} catch (e) {
Module.fatal_error(e);
} finally {
Module.hiwire.decref(idkey), Module.hiwire.decref(idval);
}
-1 === errcode && Module._pythonexc2js();
})(jsobj, jskey, jsval),
!0);
},
deleteProperty(jsobj, jskey) {
let descr = Object.getOwnPropertyDescriptor(jsobj, jskey);
if (descr && !descr.writable)
throw new TypeError(`Cannot delete read only field '${jskey}'`);
return "symbol" == typeof jskey
? Reflect.deleteProperty(jsobj, jskey)
: (jskey.startsWith("$") && (jskey = jskey.slice(1)),
(function (jsobj, jskey) {
let errcode,
ptrobj = _getPtr(jsobj),
idkey = Module.hiwire.new_value(jskey);
try {
errcode = Module.__pyproxy_delattr(ptrobj, idkey);
} catch (e) {
Module.fatal_error(e);
} finally {
Module.hiwire.decref(idkey);
}
-1 === errcode && Module._pythonexc2js();
})(jsobj, jskey),
!descr || descr.configurable);
},
ownKeys(jsobj) {
let idresult,
ptrobj = _getPtr(jsobj);
try {
idresult = Module.__pyproxy_ownKeys(ptrobj);
} catch (e) {
Module.fatal_error(e);
}
0 === idresult && Module._pythonexc2js();
let result = Module.hiwire.pop_value(idresult);
return result.push(...Reflect.ownKeys(jsobj)), result;
},
apply: (jsobj, jsthis, jsargs) => jsobj.apply(jsthis, jsargs),
};
class PyProxyAwaitableMethods {
_ensure_future() {
let resolveHandle,
rejectHandle,
errcode,
ptrobj = _getPtr(this),
promise = new Promise((resolve, reject) => {
(resolveHandle = resolve), (rejectHandle = reject);
}),
resolve_handle_id = Module.hiwire.new_value(resolveHandle),
reject_handle_id = Module.hiwire.new_value(rejectHandle);
try {
errcode = Module.__pyproxy_ensure_future(
ptrobj,
resolve_handle_id,
reject_handle_id
);
} catch (e) {
Module.fatal_error(e);
} finally {
Module.hiwire.decref(reject_handle_id),
Module.hiwire.decref(resolve_handle_id);
}
return -1 === errcode && Module._pythonexc2js(), promise;
}
then(onFulfilled, onRejected) {
return this._ensure_future().then(onFulfilled, onRejected);
}
catch(onRejected) {
return this._ensure_future().catch(onRejected);
}
finally(onFinally) {
return this._ensure_future().finally(onFinally);
}
}
class PyProxyCallableMethods {
apply(jsthis, jsargs) {
return Module.callPyObject(_getPtr(this), ...jsargs);
}
call(jsthis, ...jsargs) {
return Module.callPyObject(_getPtr(this), ...jsargs);
}
callKwargs(...jsargs) {
if (0 === jsargs.length)
throw new TypeError(
"callKwargs requires at least one argument (the key word argument object)"
);
let kwargs = jsargs[jsargs.length - 1];
if (void 0 !== kwargs.constructor && "Object" !== kwargs.constructor.name)
throw new TypeError("kwargs argument is not an object");
return Module.callPyObjectKwargs(_getPtr(this), ...jsargs);
}
}
PyProxyCallableMethods.prototype.prototype = Function.prototype;
let type_to_array_map = new Map([
["i8", Int8Array],
["u8", Uint8Array],
["u8clamped", Uint8ClampedArray],
["i16", Int16Array],
["u16", Uint16Array],
["i32", Int32Array],
["u32", Uint32Array],
["i32", Int32Array],
["u32", Uint32Array],
["i64", globalThis.BigInt64Array],
["u64", globalThis.BigUint64Array],
["f32", Float32Array],
["f64", Float64Array],
["dataview", DataView],
]);
class PyProxyBufferMethods {
getBuffer(type) {
let ArrayType;
if (
type &&
((ArrayType = type_to_array_map.get(type)), void 0 === ArrayType)
)
throw new Error(`Unknown type ${type}`);
let errcode,
HEAPU32 = Module.HEAPU32,
orig_stack_ptr = Module.stackSave(),
buffer_struct_ptr = Module.stackAlloc(
HEAPU32[0 + (Module._buffer_struct_size >> 2)]
),
this_ptr = _getPtr(this);
try {
errcode = Module.__pyproxy_get_buffer(buffer_struct_ptr, this_ptr);
} catch (e) {
Module.fatal_error(e);
}
-1 === errcode && Module._pythonexc2js();
let startByteOffset = HEAPU32[0 + (buffer_struct_ptr >> 2)],
minByteOffset = HEAPU32[1 + (buffer_struct_ptr >> 2)],
maxByteOffset = HEAPU32[2 + (buffer_struct_ptr >> 2)],
readonly = !!HEAPU32[3 + (buffer_struct_ptr >> 2)],
format_ptr = HEAPU32[4 + (buffer_struct_ptr >> 2)],
itemsize = HEAPU32[5 + (buffer_struct_ptr >> 2)],
shape = Module.hiwire.pop_value(HEAPU32[6 + (buffer_struct_ptr >> 2)]),
strides = Module.hiwire.pop_value(
HEAPU32[7 + (buffer_struct_ptr >> 2)]
),
view_ptr = HEAPU32[8 + (buffer_struct_ptr >> 2)],
c_contiguous = !!HEAPU32[9 + (buffer_struct_ptr >> 2)],
f_contiguous = !!HEAPU32[10 + (buffer_struct_ptr >> 2)],
format = Module.UTF8ToString(format_ptr);
Module.stackRestore(orig_stack_ptr);
let success = !1;
try {
let bigEndian = !1;
void 0 === ArrayType &&
([ArrayType, bigEndian] = Module.processBufferFormatString(
format,
" In this case, you can pass an explicit type argument."
));
let alignment =
parseInt(ArrayType.name.replace(/[^0-9]/g, "")) / 8 || 1;
if (bigEndian && alignment > 1)
throw new Error(
"Javascript has no native support for big endian buffers. In this case, you can pass an explicit type argument. For instance, `getBuffer('dataview')` will return a `DataView`which has native support for reading big endian data. Alternatively, toJs will automatically convert the buffer to little endian."
);
let numBytes = maxByteOffset - minByteOffset;
if (
0 !== numBytes &&
(startByteOffset % alignment != 0 ||
minByteOffset % alignment != 0 ||
maxByteOffset % alignment != 0)
)
throw new Error(
`Buffer does not have valid alignment for a ${ArrayType.name}`
);
let data,
numEntries = numBytes / alignment,
offset = (startByteOffset - minByteOffset) / alignment;
data =
0 === numBytes
? new ArrayType()
: new ArrayType(HEAPU32.buffer, minByteOffset, numEntries);
for (let i of strides.keys()) strides[i] /= alignment;
return (
(success = !0),
Object.create(
PyBuffer.prototype,
Object.getOwnPropertyDescriptors({
offset: offset,
readonly: readonly,
format: format,
itemsize: itemsize,
ndim: shape.length,
nbytes: numBytes,
shape: shape,
strides: strides,
data: data,
c_contiguous: c_contiguous,
f_contiguous: f_contiguous,
_view_ptr: view_ptr,
_released: !1,
})
)
);
} finally {
if (!success)
try {
Module._PyBuffer_Release(view_ptr), Module._PyMem_Free(view_ptr);
} catch (e) {
Module.fatal_error(e);
}
}
}
}
class PyBuffer {
constructor() {
throw (
(this.offset,
this.readonly,
this.format,
this.itemsize,
this.ndim,
this.nbytes,
this.shape,
this.strides,
this.data,
this.c_contiguous,
this.f_contiguous,
new TypeError("PyBuffer is not a constructor"))
);
}
release() {
if (!this._released) {
try {
Module._PyBuffer_Release(this._view_ptr),
Module._PyMem_Free(this._view_ptr);
} catch (e) {
Module.fatal_error(e);
}
(this._released = !0), (this.data = null);
}
}
}
let globalsPropertyAccessWarned = !1,
globalsPropertyAccessWarningMsg =
"Access to pyodide.globals via pyodide.globals.key is deprecated and will be removed in version 0.18.0. Use pyodide.globals.get('key'), pyodide.globals.set('key', value), pyodide.globals.delete('key') instead.",
NamespaceProxyHandlers = {
has: (obj, key) => Reflect.has(obj, key) || obj.has(key),
get(obj, key) {
if (Reflect.has(obj, key)) return Reflect.get(obj, key);
let result = obj.get(key);
return (
globalsPropertyAccessWarned ||
void 0 === result ||
(console.warn(globalsPropertyAccessWarningMsg),
(globalsPropertyAccessWarned = !0)),
result
);