py_ext/modules/svgui/pyjs/lib/pyjslib.py
changeset 728 e0424e96e3fd
parent 727 3edd2f19bce2
child 729 25054c592dc4
--- a/py_ext/modules/svgui/pyjs/lib/pyjslib.py	Wed May 09 00:39:54 2012 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1365 +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.
-
-
-# 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 + '<br />';
-    }
-
-    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();
-}
-""")
-
-class Object:
-    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()
-
-import sys
-
-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("""
-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<this.length) {
-        if (do_max && !count--) break;
-
-        pos=this.indexOf(old, start);
-        if (pos<0) break;
-
-        new_str+=this.substring(start, pos) + replace;
-        start=pos+old.length;
-    }
-    if (start<this.length) new_str+=this.substring(start);
-
-    return new_str;
-}
-
-pyjslib.String_split = function(sep, maxsplit) {
-    var items=new pyjslib.List();
-    var do_max=false;
-    var subject=this;
-    var start=0;
-    var pos=0;
-
-    if (pyjslib.isUndefined(sep) || pyjslib.isNull(sep)) {
-        sep=" ";
-        subject=subject.strip();
-        subject=subject.replace(/\s+/g, sep);
-    }
-    else if (!pyjslib.isUndefined(maxsplit)) do_max=true;
-
-    if (subject.length == 0) {
-        return items;
-    }
-
-    while (start<subject.length) {
-        if (do_max && !maxsplit--) break;
-
-        pos=subject.indexOf(sep, start);
-        if (pos<0) break;
-
-        items.append(subject.substring(start, pos));
-        start=pos+sep.length;
-    }
-    if (start<=subject.length) items.append(subject.substring(start));
-
-    return items;
-}
-
-pyjslib.String___iter__ = function() {
-    var i = 0;
-    var s = this;
-    return {
-        'next': function() {
-            if (i >= 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<length; i++) {
-            if (this.l[i]==value) {
-                return i;
-                }
-            }
-        return -1;
-        """)
-
-    def insert(self, index, value):
-        JS("""    var a = this.l; this.l=a.slice(0, index).concat(value, a.slice(index));""")
-
-    def pop(self, index = -1):
-        JS("""
-        if (index<0) index = this.l.length + index;
-        var a = this.l[index];
-        this.l.splice(index, 1);
-        return a;
-        """)
-
-    def __cmp__(self, l):
-        if not isinstance(l, List):
-            return -1
-        ll = len(self) - len(l)
-        if ll != 0:
-            return ll
-        for x in range(len(l)):
-            ll = cmp(self.__getitem__(x), l[x])
-            if ll != 0:
-                return ll
-        return 0
-
-    def slice(self, lower, upper):
-        JS("""
-        if (upper==null) return pyjslib.List(this.l.slice(lower));
-        return pyjslib.List(this.l.slice(lower, upper));
-        """)
-
-    def __getitem__(self, index):
-        JS("""
-        if (index<0) index = this.l.length + index;
-        return this.l[index];
-        """)
-
-    def __setitem__(self, index, value):
-        JS("""    this.l[index]=value;""")
-
-    def __delitem__(self, index):
-        JS("""    this.l.splice(index, 1);""")
-
-    def __len__(self):
-        JS("""    return this.l.length;""")
-
-    def __contains__(self, value):
-        return self.index(value) >= 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:
-            global cmp
-            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<length; i++) {
-            if (this.l[i]==value) {
-                return i;
-                }
-            }
-        return -1;
-        """)
-
-    def insert(self, index, value):
-        JS("""    var a = this.l; this.l=a.slice(0, index).concat(value, a.slice(index));""")
-
-    def pop(self, index = -1):
-        JS("""
-        if (index<0) index = this.l.length + index;
-        var a = this.l[index];
-        this.l.splice(index, 1);
-        return a;
-        """)
-
-    def __cmp__(self, l):
-        if not isinstance(l, Tuple):
-            return -1
-        ll = len(self) - len(l)
-        if ll != 0:
-            return ll
-        for x in range(len(l)):
-            ll = cmp(self.__getitem__(x), l[x])
-            if ll != 0:
-                return ll
-        return 0
-
-    def slice(self, lower, upper):
-        JS("""
-        if (upper==null) return pyjslib.Tuple(this.l.slice(lower));
-        return pyjslib.Tuple(this.l.slice(lower, upper));
-        """)
-
-    def __getitem__(self, index):
-        JS("""
-        if (index<0) index = this.l.length + index;
-        return this.l[index];
-        """)
-
-    def __setitem__(self, index, value):
-        JS("""    this.l[index]=value;""")
-
-    def __delitem__(self, index):
-        JS("""    this.l.splice(index, 1);""")
-
-    def __len__(self):
-        JS("""    return this.l.length;""")
-
-    def __contains__(self, value):
-        return self.index(value) >= 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:
-            global cmp
-            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 not self.has_key(key):
-            self[key] = default_value
-
-    def get(self, key, default_=None):
-        if not self.has_key(key):
-            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 "<function " + x.toString() + ">";
-
-       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<keys.length; i++) {
-               var key = keys[i]
-               s += pyjslib.repr(key) + ": " + pyjslib.repr(x.d[key]);
-               if (i < keys.length-1)
-                   s += ", "
-           };
-           s += "}";
-           return s;
-       };
-
-       // If we get here, the class isn't one we know -> 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_):
-    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); ")
-