diff -r d753cc166bd0 -r 01682a34a558 svgui/pyjs/lib/pyjslib.py
--- a/svgui/pyjs/lib/pyjslib.py Fri Oct 01 17:44:52 2021 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,1418 +0,0 @@
-# Copyright 2006 James Tauber and contributors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# pylint: disable=too-many-function-args,undefined-variable,no-absolute-import,assign-to-new-keyword,nonzero-method,next-method-called,next-method-defined
-
-# iteration from Bob Ippolito's Iteration in JavaScript
-
-from __pyjamas__ import JS
-
-# must declare import _before_ importing sys
-
-
-def import_module(path, parent_module, module_name, dynamic=1, async=False):
-
- JS("""
- var cache_file;
-
- if (module_name == "sys" || module_name == 'pyjslib')
- {
- /*module_load_request[module_name] = 1;*/
- return;
- }
-
- if (path == null)
- {
- path = './';
- }
-
- var override_name = sys.platform + "." + module_name;
- if (((sys.overrides != null) &&
- (sys.overrides.has_key(override_name))))
- {
- cache_file = sys.overrides.__getitem__(override_name) ;
- }
- else
- {
- cache_file = module_name ;
- }
-
- cache_file = (path + cache_file + '.cache.js' ) ;
-
- //alert("cache " + cache_file + " " + module_name + " " + parent_module);
-
- /* already loaded? */
- if (module_load_request[module_name])
- {
- if (module_load_request[module_name] >= 3 && parent_module != null)
- {
- //onload_fn = parent_module + '.' + module_name + ' = ' + module_name + ';';
- //pyjs_eval(onload_fn); /* set up the parent-module namespace */
- }
- return;
- }
- if (typeof (module_load_request[module_name]) == 'undefined')
- {
- module_load_request[module_name] = 1;
- }
-
- /* following a load, this first executes the script
- * "preparation" function MODULENAME_loaded_fn()
- * and then sets up the loaded module in the namespace
- * of the parent.
- */
-
- onload_fn = ''; // module_name + "_loaded_fn();"
-
- if (parent_module != null)
- {
- //onload_fn += parent_module + '.' + module_name + ' = ' + module_name + ';';
- /*pmod = parent_module + '.' + module_name;
- onload_fn += 'alert("' + pmod + '"+' + pmod+');';*/
- }
-
-
- if (dynamic)
- {
- /* this one tacks the script onto the end of the DOM
- */
-
- pyjs_load_script(cache_file, onload_fn, async);
-
- /* this one actually RUNS the script (eval) into the page.
- my feeling is that this would be better for non-async
- but i can't get it to work entirely yet.
- */
- /*pyjs_ajax_eval(cache_file, onload_fn, async);*/
- }
- else
- {
- if (module_name != "pyjslib" &&
- module_name != "sys")
- pyjs_eval(onload_fn);
- }
-
- """)
-
-
-JS("""
-function import_wait(proceed_fn, parent_mod, dynamic) {
-
- var data = '';
- var element = $doc.createElement("div");
- $doc.body.appendChild(element);
- function write_dom(txt) {
- element.innerHTML = txt + '
';
- }
-
- var timeoutperiod = 1;
- if (dynamic)
- var timeoutperiod = 1;
-
- var wait = function() {
-
- var status = '';
- for (l in module_load_request)
- {
- var m = module_load_request[l];
- if (l == "sys" || l == 'pyjslib')
- continue;
- status += l + m + " ";
- }
-
- //write_dom( " import wait " + wait_count + " " + status + " parent_mod " + parent_mod);
- wait_count += 1;
-
- if (status == '')
- {
- setTimeout(wait, timeoutperiod);
- return;
- }
-
- for (l in module_load_request)
- {
- var m = module_load_request[l];
- if (l == "sys" || l == 'pyjslib')
- {
- module_load_request[l] = 4;
- continue;
- }
- if ((parent_mod != null) && (l == parent_mod))
- {
- if (m == 1)
- {
- setTimeout(wait, timeoutperiod);
- return;
- }
- if (m == 2)
- {
- /* cheat and move app on to next stage */
- module_load_request[l] = 3;
- }
- }
- if (m == 1 || m == 2)
- {
- setTimeout(wait, timeoutperiod);
- return;
- }
- if (m == 3)
- {
- //alert("waited for module " + l + ": loaded");
- module_load_request[l] = 4;
- mod_fn = modules[l];
- }
- }
- //alert("module wait done");
-
- if (proceed_fn.importDone)
- proceed_fn.importDone(proceed_fn);
- else
- proceed_fn();
- }
-
- wait();
-}
-""")
-
-
-# pylint: disable=old-style-class
-class Object:
- def __init__(self):
- pass
-
-
-object = Object
-
-
-class Modload:
-
- def __init__(self, path, app_modlist, app_imported_fn, dynamic,
- parent_mod):
- self.app_modlist = app_modlist
- self.app_imported_fn = app_imported_fn
- self.path = path
- self.idx = 0
- self.dynamic = dynamic
- self.parent_mod = parent_mod
-
- def next(self):
-
- for i in range(len(self.app_modlist[self.idx])):
- app = self.app_modlist[self.idx][i]
- import_module(self.path, self.parent_mod, app, self.dynamic, True)
- self.idx += 1
-
- if self.idx >= len(self.app_modlist):
- import_wait(self.app_imported_fn, self.parent_mod, self.dynamic)
- else:
- import_wait(getattr(self, "next"), self.parent_mod, self.dynamic)
-
-
-def get_module(module_name):
- _ev = "__mod = %s;" % module_name
- JS("pyjs_eval(_ev);")
- return __mod
-
-
-def preload_app_modules(path, app_modnames, app_imported_fn, dynamic,
- parent_mod=None):
-
- loader = Modload(path, app_modnames, app_imported_fn, dynamic, parent_mod)
- loader.next()
-
-
-# as comment on line 20 says
-# import sys should be below
-import sys # noqa # pylint: disable=wrong-import-order,unused-import,wrong-import-position
-
-
-class BaseException:
-
- name = "BaseException"
-
- def __init__(self, *args):
- self.args = args
-
- def __str__(self):
- if len(self.args) is 0:
- return ''
- elif len(self.args) is 1:
- return repr(self.args[0])
- return repr(self.args)
-
- def toString(self):
- return str(self)
-
-
-class Exception(BaseException):
- name = "Exception"
-
-
-class TypeError(BaseException):
- name = "TypeError"
-
-
-class StandardError(Exception):
- name = "StandardError"
-
-
-class LookupError(StandardError):
- name = "LookupError"
-
- def toString(self):
- return self.name + ": " + self.args[0]
-
-
-class KeyError(LookupError):
- name = "KeyError"
-
-
-class AttributeError(StandardError):
- name = "AttributeError"
-
- def toString(self):
- return "AttributeError: %s of %s" % (self.args[1], self.args[0])
-
-
-JS(r"""
-pyjslib.StopIteration = function () { };
-pyjslib.StopIteration.prototype = new Error();
-pyjslib.StopIteration.name = 'StopIteration';
-pyjslib.StopIteration.message = 'StopIteration';
-
-pyjslib.String_find = function(sub, start, end) {
- var pos=this.indexOf(sub, start);
- if (pyjslib.isUndefined(end)) return pos;
-
- if (pos + sub.length>end) return -1;
- return pos;
-}
-
-pyjslib.String_join = function(data) {
- var text="";
-
- if (pyjslib.isArray(data)) {
- return data.join(this);
- }
- else if (pyjslib.isIteratable(data)) {
- var iter=data.__iter__();
- try {
- text+=iter.next();
- while (true) {
- var item=iter.next();
- text+=this + item;
- }
- }
- catch (e) {
- if (e != pyjslib.StopIteration) throw e;
- }
- }
-
- return text;
-}
-
-pyjslib.String_isdigit = function() {
- return (this.match(/^\d+$/g) != null);
-}
-
-pyjslib.String_replace = function(old, replace, count) {
- var do_max=false;
- var start=0;
- var new_str="";
- var pos=0;
-
- if (!pyjslib.isString(old)) return this.__replace(old, replace);
- if (!pyjslib.isUndefined(count)) do_max=true;
-
- while (start= s.length) {
- throw pyjslib.StopIteration;
- }
- return s.substring(i++, i, 1);
- },
- '__iter__': function() {
- return this;
- }
- };
-}
-
-pyjslib.String_strip = function(chars) {
- return this.lstrip(chars).rstrip(chars);
-}
-
-pyjslib.String_lstrip = function(chars) {
- if (pyjslib.isUndefined(chars)) return this.replace(/^\s+/, "");
-
- return this.replace(new RegExp("^[" + chars + "]+"), "");
-}
-
-pyjslib.String_rstrip = function(chars) {
- if (pyjslib.isUndefined(chars)) return this.replace(/\s+$/, "");
-
- return this.replace(new RegExp("[" + chars + "]+$"), "");
-}
-
-pyjslib.String_startswith = function(prefix, start) {
- if (pyjslib.isUndefined(start)) start = 0;
-
- if (this.substring(start, prefix.length) == prefix) return true;
- return false;
-}
-
-pyjslib.abs = Math.abs;
-
-""")
-
-
-class Class:
- def __init__(self, name):
- self.name = name
-
- def __str___(self):
- return self.name
-
-
-def eq(a, b):
- JS("""
- if (pyjslib.hasattr(a, "__cmp__")) {
- return a.__cmp__(b) == 0;
- } else if (pyjslib.hasattr(b, "__cmp__")) {
- return b.__cmp__(a) == 0;
- }
- return a == b;
- """)
-
-
-def cmp(a, b):
- if hasattr(a, "__cmp__"):
- return a.__cmp__(b)
- elif hasattr(b, "__cmp__"):
- return -b.__cmp__(a)
- if a > b:
- return 1
- elif b > a:
- return -1
- else:
- return 0
-
-
-def bool(v):
- # this needs to stay in native code without any dependencies here,
- # because this is used by if and while, we need to prevent
- # recursion
- JS("""
- if (!v) return false;
- switch(typeof v){
- case 'boolean':
- return v;
- case 'object':
- if (v.__nonzero__){
- return v.__nonzero__();
- }else if (v.__len__){
- return v.__len__()>0;
- }
- return true;
- }
- return Boolean(v);
- """)
-
-
-class List:
- def __init__(self, data=None):
- JS("""
- this.l = [];
- this.extend(data);
- """)
-
- def append(self, item):
- JS(""" this.l[this.l.length] = item;""")
-
- def extend(self, data):
- JS("""
- if (pyjslib.isArray(data)) {
- n = this.l.length;
- for (var i=0; i < data.length; i++) {
- this.l[n+i]=data[i];
- }
- }
- else if (pyjslib.isIteratable(data)) {
- var iter=data.__iter__();
- var i=this.l.length;
- try {
- while (true) {
- var item=iter.next();
- this.l[i++]=item;
- }
- }
- catch (e) {
- if (e != pyjslib.StopIteration) throw e;
- }
- }
- """)
-
- def remove(self, value):
- JS("""
- var index=this.index(value);
- if (index<0) return false;
- this.l.splice(index, 1);
- return true;
- """)
-
- def index(self, value, start=0):
- JS("""
- var length=this.l.length;
- for (var i=start; i= 0
-
- def __iter__(self):
- JS("""
- var i = 0;
- var l = this.l;
- return {
- 'next': function() {
- if (i >= l.length) {
- throw pyjslib.StopIteration;
- }
- return l[i++];
- },
- '__iter__': function() {
- return this;
- }
- };
- """)
-
- def reverse(self):
- JS(""" this.l.reverse();""")
-
- def sort(self, compareFunc=None, keyFunc=None, reverse=False):
- if not compareFunc:
- compareFunc = cmp
- if keyFunc and reverse:
- def thisSort1(a, b):
- return -compareFunc(keyFunc(a), keyFunc(b))
- self.l.sort(thisSort1)
- elif keyFunc:
- def thisSort2(a, b):
- return compareFunc(keyFunc(a), keyFunc(b))
- self.l.sort(thisSort2)
- elif reverse:
- def thisSort3(a, b):
- return -compareFunc(a, b)
- self.l.sort(thisSort3)
- else:
- self.l.sort(compareFunc)
-
- def getArray(self):
- """
- Access the javascript Array that is used internally by this list
- """
- return self.l
-
- def __str__(self):
- return repr(self)
-
-
-list = List
-
-
-class Tuple:
- def __init__(self, data=None):
- JS("""
- this.l = [];
- this.extend(data);
- """)
-
- def append(self, item):
- JS(""" this.l[this.l.length] = item;""")
-
- def extend(self, data):
- JS("""
- if (pyjslib.isArray(data)) {
- n = this.l.length;
- for (var i=0; i < data.length; i++) {
- this.l[n+i]=data[i];
- }
- }
- else if (pyjslib.isIteratable(data)) {
- var iter=data.__iter__();
- var i=this.l.length;
- try {
- while (true) {
- var item=iter.next();
- this.l[i++]=item;
- }
- }
- catch (e) {
- if (e != pyjslib.StopIteration) throw e;
- }
- }
- """)
-
- def remove(self, value):
- JS("""
- var index=this.index(value);
- if (index<0) return false;
- this.l.splice(index, 1);
- return true;
- """)
-
- def index(self, value, start=0):
- JS("""
- var length=this.l.length;
- for (var i=start; i= 0
-
- def __iter__(self):
- JS("""
- var i = 0;
- var l = this.l;
- return {
- 'next': function() {
- if (i >= l.length) {
- throw pyjslib.StopIteration;
- }
- return l[i++];
- },
- '__iter__': function() {
- return this;
- }
- };
- """)
-
- def reverse(self):
- JS(""" this.l.reverse();""")
-
- def sort(self, compareFunc=None, keyFunc=None, reverse=False):
- if not compareFunc:
- compareFunc = cmp
- if keyFunc and reverse:
- def thisSort1(a, b):
- return -compareFunc(keyFunc(a), keyFunc(b))
- self.l.sort(thisSort1)
- elif keyFunc:
- def thisSort2(a, b):
- return compareFunc(keyFunc(a), keyFunc(b))
- self.l.sort(thisSort2)
- elif reverse:
- def thisSort3(a, b):
- return -compareFunc(a, b)
- self.l.sort(thisSort3)
- else:
- self.l.sort(compareFunc)
-
- def getArray(self):
- """
- Access the javascript Array that is used internally by this list
- """
- return self.l
-
- def __str__(self):
- return repr(self)
-
-
-tuple = Tuple
-
-
-class Dict:
- def __init__(self, data=None):
- JS("""
- this.d = {};
-
- if (pyjslib.isArray(data)) {
- for (var i in data) {
- var item=data[i];
- this.__setitem__(item[0], item[1]);
- //var sKey=pyjslib.hash(item[0]);
- //this.d[sKey]=item[1];
- }
- }
- else if (pyjslib.isIteratable(data)) {
- var iter=data.__iter__();
- try {
- while (true) {
- var item=iter.next();
- this.__setitem__(item.__getitem__(0), item.__getitem__(1));
- }
- }
- catch (e) {
- if (e != pyjslib.StopIteration) throw e;
- }
- }
- else if (pyjslib.isObject(data)) {
- for (var key in data) {
- this.__setitem__(key, data[key]);
- }
- }
- """)
-
- def __setitem__(self, key, value):
- JS("""
- var sKey = pyjslib.hash(key);
- this.d[sKey]=[key, value];
- """)
-
- def __getitem__(self, key):
- JS("""
- var sKey = pyjslib.hash(key);
- var value=this.d[sKey];
- if (pyjslib.isUndefined(value)){
- throw pyjslib.KeyError(key);
- }
- return value[1];
- """)
-
- def __nonzero__(self):
- JS("""
- for (var i in this.d){
- return true;
- }
- return false;
- """)
-
- def __len__(self):
- JS("""
- var size=0;
- for (var i in this.d) size++;
- return size;
- """)
-
- def has_key(self, key):
- return self.__contains__(key)
-
- def __delitem__(self, key):
- JS("""
- var sKey = pyjslib.hash(key);
- delete this.d[sKey];
- """)
-
- def __contains__(self, key):
- JS("""
- var sKey = pyjslib.hash(key);
- return (pyjslib.isUndefined(this.d[sKey])) ? false : true;
- """)
-
- def keys(self):
- JS("""
- var keys=new pyjslib.List();
- for (var key in this.d) {
- keys.append(this.d[key][0]);
- }
- return keys;
- """)
-
- def values(self):
- JS("""
- var values=new pyjslib.List();
- for (var key in this.d) values.append(this.d[key][1]);
- return values;
- """)
-
- def items(self):
- JS("""
- var items = new pyjslib.List();
- for (var key in this.d) {
- var kv = this.d[key];
- items.append(new pyjslib.List(kv))
- }
- return items;
- """)
-
- def __iter__(self):
- return self.keys().__iter__()
-
- def iterkeys(self):
- return self.__iter__()
-
- def itervalues(self):
- return self.values().__iter__()
-
- def iteritems(self):
- return self.items().__iter__()
-
- def setdefault(self, key, default_value):
- if key not in self:
- self[key] = default_value
-
- def get(self, key, default_=None):
- if key not in self:
- return default_
- return self[key]
-
- def update(self, d):
- for k, v in d.iteritems():
- self[k] = v
-
- def getObject(self):
- """
- Return the javascript Object which this class uses to store
- dictionary keys and values
- """
- return self.d
-
- def copy(self):
- return Dict(self.items())
-
- def __str__(self):
- return repr(self)
-
-
-dict = Dict
-
-# taken from mochikit: range( [start,] stop[, step] )
-
-
-def range():
- JS("""
- var start = 0;
- var stop = 0;
- var step = 1;
-
- if (arguments.length == 2) {
- start = arguments[0];
- stop = arguments[1];
- }
- else if (arguments.length == 3) {
- start = arguments[0];
- stop = arguments[1];
- step = arguments[2];
- }
- else if (arguments.length>0) stop = arguments[0];
-
- return {
- 'next': function() {
- if ((step > 0 && start >= stop) || (step < 0 && start <= stop)) throw pyjslib.StopIteration;
- var rval = start;
- start += step;
- return rval;
- },
- '__iter__': function() {
- return this;
- }
- }
- """)
-
-
-def slice(object, lower, upper):
- JS("""
- if (pyjslib.isString(object)) {
- if (lower < 0) {
- lower = object.length + lower;
- }
- if (upper < 0) {
- upper = object.length + upper;
- }
- if (pyjslib.isNull(upper)) upper=object.length;
- return object.substring(lower, upper);
- }
- if (pyjslib.isObject(object) && object.slice)
- return object.slice(lower, upper);
-
- return null;
- """)
-
-
-def str(text):
- JS("""
- if (pyjslib.hasattr(text,"__str__")) {
- return text.__str__();
- }
- return String(text);
- """)
-
-
-def ord(x):
- if isString(x) and len(x) is 1:
- JS("""
- return x.charCodeAt(0);
- """)
- else:
- JS("""
- throw pyjslib.TypeError();
- """)
- return None
-
-
-def chr(x):
- JS("""
- return String.fromCharCode(x)
- """)
-
-
-def is_basetype(x):
- JS("""
- var t = typeof(x);
- return t == 'boolean' ||
- t == 'function' ||
- t == 'number' ||
- t == 'string' ||
- t == 'undefined'
- ;
- """)
-
-
-def get_pyjs_classtype(x):
- JS("""
- if (pyjslib.hasattr(x, "__class__"))
- if (pyjslib.hasattr(x.__class__, "__new__"))
- var src = x.__class__.__name__;
- return src;
- return null;
- """)
-
-
-def repr(x):
- """ Return the string representation of 'x'.
- """
- JS("""
- if (x === null)
- return "null";
-
- if (x === undefined)
- return "undefined";
-
- var t = typeof(x);
-
- //alert("repr typeof " + t + " : " + x);
-
- if (t == "boolean")
- return x.toString();
-
- if (t == "function")
- return "";
-
- if (t == "number")
- return x.toString();
-
- if (t == "string") {
- if (x.indexOf("'") == -1)
- return "'" + x + "'";
- if (x.indexOf('"') == -1)
- return '"' + x + '"';
- var s = x.replace(new RegExp('"', "g"), '\\\\"');
- return '"' + s + '"';
- };
-
- if (t == "undefined")
- return "undefined";
-
- // If we get here, x is an object. See if it's a Pyjamas class.
-
- if (!pyjslib.hasattr(x, "__init__"))
- return "<" + x.toString() + ">";
-
- // Handle the common Pyjamas data types.
-
- var constructor = "UNKNOWN";
-
- constructor = pyjslib.get_pyjs_classtype(x);
-
- //alert("repr constructor: " + constructor);
-
- if (constructor == "Tuple") {
- var contents = x.getArray();
- var s = "(";
- for (var i=0; i < contents.length; i++) {
- s += pyjslib.repr(contents[i]);
- if (i < contents.length - 1)
- s += ", ";
- };
- s += ")"
- return s;
- };
-
- if (constructor == "List") {
- var contents = x.getArray();
- var s = "[";
- for (var i=0; i < contents.length; i++) {
- s += pyjslib.repr(contents[i]);
- if (i < contents.length - 1)
- s += ", ";
- };
- s += "]"
- return s;
- };
-
- if (constructor == "Dict") {
- var keys = new Array();
- for (var key in x.d)
- keys.push(key);
-
- var s = "{";
- for (var i=0; i return the class name.
- // Note that we replace underscores with dots so that the name will
- // (hopefully!) look like the original Python name.
-
- //var s = constructor.replace(new RegExp('_', "g"), '.');
- return "<" + constructor + " object>";
- """)
-
-
-def float(text):
- JS("""
- return parseFloat(text);
- """)
-
-
-def int(text, radix=0):
- JS("""
- return parseInt(text, radix);
- """)
-
-
-def len(object):
- JS("""
- if (object==null) return 0;
- if (pyjslib.isObject(object) && object.__len__) return object.__len__();
- return object.length;
- """)
-
-
-def isinstance(object_, classinfo):
- if pyjslib.isUndefined(object_):
- return False
- if not pyjslib.isObject(object_):
-
- return False
- if _isinstance(classinfo, Tuple):
- for ci in classinfo:
- if isinstance(object_, ci):
- return True
- return False
- else:
- return _isinstance(object_, classinfo)
-
-
-def _isinstance(object_, classinfo):
- if not pyjslib.isObject(object_):
- return False
- JS("""
- if (object_.__class__){
- var res = object_ instanceof classinfo.constructor;
- return res;
- }
- return false;
- """)
-
-
-def getattr(obj, name, default_=None):
- JS("""
- if ((!pyjslib.isObject(obj))||(pyjslib.isUndefined(obj[name]))){
- if (pyjslib.isUndefined(default_)){
- throw pyjslib.AttributeError(obj, name);
- }else{
- return default_;
- }
- }
- if (!pyjslib.isFunction(obj[name])) return obj[name];
- var fnwrap = function() {
- var args = [];
- for (var i = 0; i < arguments.length; i++) {
- args.push(arguments[i]);
- }
- return obj[name].apply(obj,args);
- }
- fnwrap.__name__ = name;
- return fnwrap;
- """)
-
-
-def setattr(obj, name, value):
- JS("""
- if (!pyjslib.isObject(obj)) return null;
-
- obj[name] = value;
-
- """)
-
-
-def hasattr(obj, name):
- JS("""
- if (!pyjslib.isObject(obj)) return false;
- if (pyjslib.isUndefined(obj[name])) return false;
-
- return true;
- """)
-
-
-def dir(obj):
- JS("""
- var properties=new pyjslib.List();
- for (property in obj) properties.append(property);
- return properties;
- """)
-
-
-def filter(obj, method, sequence=None):
- # object context is LOST when a method is passed, hence object must be passed separately
- # to emulate python behaviour, should generate this code inline rather than as a function call
- items = []
- if sequence is None:
- sequence = method
- method = obj
-
- for item in sequence:
- if method(item):
- items.append(item)
- else:
- for item in sequence:
- if method.call(obj, item):
- items.append(item)
-
- return items
-
-
-def map(obj, method, sequence=None):
- items = []
-
- if sequence is None:
- sequence = method
- method = obj
-
- for item in sequence:
- items.append(method(item))
- else:
- for item in sequence:
- items.append(method.call(obj, item))
-
- return items
-
-
-def enumerate(sequence):
- enumeration = []
- nextIndex = 0
- for item in sequence:
- enumeration.append([nextIndex, item])
- nextIndex = nextIndex + 1
- return enumeration
-
-
-def min(*sequence):
- minValue = None
- for item in sequence:
- if minValue is None:
- minValue = item
- elif item < minValue:
- minValue = item
- return minValue
-
-
-def max(*sequence):
- maxValue = None
- for item in sequence:
- if maxValue is None:
- maxValue = item
- elif item > maxValue:
- maxValue = item
- return maxValue
-
-
-next_hash_id = 0
-
-
-def hash(obj):
- JS("""
- if (obj == null) return null;
-
- if (obj.$H) return obj.$H;
- if (obj.__hash__) return obj.__hash__();
- if (obj.constructor == String || obj.constructor == Number || obj.constructor == Date) return obj;
-
- obj.$H = ++pyjslib.next_hash_id;
- return obj.$H;
- """)
-
-
-# type functions from Douglas Crockford's Remedial Javascript: http://www.crockford.com/javascript/remedial.html
-def isObject(a):
- JS("""
- return (a != null && (typeof a == 'object')) || pyjslib.isFunction(a);
- """)
-
-
-def isFunction(a):
- JS("""
- return typeof a == 'function';
- """)
-
-
-def isString(a):
- JS("""
- return typeof a == 'string';
- """)
-
-
-def isNull(a):
- JS("""
- return typeof a == 'object' && !a;
- """)
-
-
-def isArray(a):
- JS("""
- return pyjslib.isObject(a) && a.constructor == Array;
- """)
-
-
-def isUndefined(a):
- JS("""
- return typeof a == 'undefined';
- """)
-
-
-def isIteratable(a):
- JS("""
- return pyjslib.isString(a) || (pyjslib.isObject(a) && a.__iter__);
- """)
-
-
-def isNumber(a):
- JS("""
- return typeof a == 'number' && isFinite(a);
- """)
-
-
-def toJSObjects(x):
- """
- Convert the pyjs pythonic List and Dict objects into javascript Object and Array
- objects, recursively.
- """
- if isArray(x):
- JS("""
- var result = [];
- for(var k=0; k < x.length; k++) {
- var v = x[k];
- var tv = pyjslib.toJSObjects(v);
- result.push(tv);
- }
- return result;
- """)
- if isObject(x):
- if isinstance(x, Dict):
- JS("""
- var o = x.getObject();
- var result = {};
- for (var i in o) {
- result[o[i][0].toString()] = o[i][1];
- }
- return pyjslib.toJSObjects(result)
- """)
- elif isinstance(x, List):
- return toJSObjects(x.l)
- elif hasattr(x, '__class__'):
- # we do not have a special implementation for custom
- # classes, just pass it on
- return x
- if isObject(x):
- JS("""
- var result = {};
- for(var k in x) {
- var v = x[k];
- var tv = pyjslib.toJSObjects(v)
- result[k] = tv;
- }
- return result;
- """)
- return x
-
-
-def printFunc(objs):
- JS("""
- if ($wnd.console==undefined) return;
- var s = "";
- for(var i=0; i < objs.length; i++) {
- if(s != "") s += " ";
- s += objs[i];
- }
- console.debug(s)
- """)
-
-
-def type(clsname, bases=None, methods=None):
- """ creates a class, derived from bases, with methods and variables
- """
-
- JS(" var mths = {}; ")
- if methods:
- for k in methods.keys():
- _mth = methods[k]
- JS(" mths[k] = _mth; ")
-
- JS(" var bss = null; ")
- if bases:
- JS("bss = bases.l;")
- JS(" return pyjs_type(clsname, bss, mths); ")