diff -r 000000000000 -r b97547f5f1fa web/data/cubicweb.python.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/data/cubicweb.python.js	Wed Nov 05 15:52:50 2008 +0100
@@ -0,0 +1,398 @@
+/*
+ * This file contains extensions for standard javascript types
+ *
+ */
+
+ONE_DAY = 86400000; // (in milliseconds)
+
+// ========== DATE EXTENSIONS ========== ///
+
+Date.prototype.equals = function(other) {
+    /* compare with other date ignoring time differences */
+    if (this.getYear() == other.getYear() &&
+	this.getMonth() == other.getMonth() &&
+	this.getDate() == other.getDate()) {
+	return true;
+    }
+    return false;
+}
+
+Date.prototype.add = function(days) {
+    var res = new Date()
+    res.setTime(this.getTime() + (days * ONE_DAY))
+    return res
+}
+
+Date.prototype.sub = function(days) {
+    return this.add(-days);
+}
+
+Date.prototype.iadd = function(days) {
+    // in-place add
+    this.setTime(this.getTime() + (days * ONE_DAY))
+    // avoid strange rounding problems !!
+    this.setHours(12);
+}
+
+Date.prototype.isub = function(days) {
+    // in-place sub
+    this.setTime(this.getTime() - (days * ONE_DAY))
+}
+
+/*
+ * returns the first day of the next month
+ */
+Date.prototype.nextMonth = function() {
+    if (this.getMonth() == 11) {
+	var d =new Date(this.getFullYear()+1, 0, 1);
+	return d;
+    } else {
+	var d2 = new Date(this.getFullYear(), this.getMonth()+1, 1);
+	return d2;
+    }
+}
+
+/*
+ * returns the day of week, 0 being monday, 6 being sunday
+ */
+Date.prototype.getRealDay = function() {
+    // getDay() returns 0 for Sunday ==> 6 for Saturday
+    return (this.getDay()+6) % 7;
+}
+
+
+var _DATE_FORMAT_REGXES = {
+    'Y': new RegExp('^-?[0-9]+'),
+    'd': new RegExp('^[0-9]{1,2}'),
+    'm': new RegExp('^[0-9]{1,2}'),
+    'H': new RegExp('^[0-9]{1,2}'),
+    'M': new RegExp('^[0-9]{1,2}')
+}
+
+/*
+ * _parseData does the actual parsing job needed by `strptime`
+ */
+function _parseDate(datestring, format) {
+    var skip0 = new RegExp('^0*[0-9]+');
+    var parsed = {};
+    for (var i1=0,i2=0;i1<format.length;i1++,i2++) {
+	var c1 = format[i1];
+	var c2 = datestring[i2];
+	if (c1 == '%') {
+	    c1 = format[++i1];
+	    var data = _DATE_FORMAT_REGXES[c1].exec(datestring.substring(i2));
+	    if (!data.length) {
+		return null;
+	    }
+	    data = data[0];
+	    i2 += data.length-1;
+	    var value = parseInt(data, 10);
+	    if (isNaN(value)) {
+		return null;
+	    }
+	    parsed[c1] = value;
+	    continue;
+	}
+	if (c1 != c2) {
+	    return null;
+	}
+    }
+    return parsed;
+}
+
+/*
+ * basic implementation of strptime. The only recognized formats
+ * defined in _DATE_FORMAT_REGEXES (i.e. %Y, %d, %m, %H, %M)
+ */
+function strptime(datestring, format) {
+    var parsed = _parseDate(datestring, format);
+    if (!parsed) {
+	return null;
+    }
+    // create initial date (!!! year=0 means 1900 !!!)
+    date = new Date(0, 0, 1, 0, 0);
+    date.setFullYear(0); // reset to year 0
+    if (parsed.Y) {
+	date.setFullYear(parsed.Y);
+    }
+    if (parsed.m) {
+	if (parsed.m < 1 || parsed.m > 12) {
+	    return null;
+	}
+	// !!! month indexes start at 0 in javascript !!!
+	date.setMonth(parsed.m - 1);
+    }
+    if (parsed.d) {
+	if (parsed.m < 1 || parsed.m > 31) {
+	    return null;
+	}
+	date.setDate(parsed.d)
+    }
+    if (parsed.H) {
+	if (parsed.H < 0 || parsed.H > 23) {
+	    return null;
+	}
+	date.setHours(parsed.H)
+    }
+    if (parsed.M) {
+	if (parsed.M < 0 || parsed.M > 59) {
+	    return null;
+	}
+	date.setMinutes(parsed.M)
+    }
+    return date;
+}
+
+// ========== END OF DATE EXTENSIONS ========== ///
+
+
+
+// ========== ARRAY EXTENSIONS ========== ///
+Array.prototype.contains = function(element) {
+    return findValue(this, element) != -1;
+}
+
+// ========== END OF ARRAY EXTENSIONS ========== ///
+
+
+
+// ========== STRING EXTENSIONS ========== //
+
+/* python-like startsWith method for js strings
+ * >>>
+ */
+String.prototype.startsWith = function(prefix) {
+    return this.indexOf(prefix) == 0;
+}
+
+/* python-like endsWith method for js strings */
+String.prototype.endsWith = function(suffix) {
+    var startPos = this.length - suffix.length;
+    if (startPos < 0) { return false; }
+    return this.lastIndexOf(suffix, startPos) == startPos;
+}
+
+/* python-like strip method for js strings */
+String.prototype.strip = function() {
+    return this.replace(/^\s*(.*?)\s*$/, "$1");
+};
+
+/* py-equiv: string in list */
+String.prototype.in_ = function(values) {
+    return findValue(values, this) != -1;
+}
+
+/* py-equiv: str.join(list) */
+String.prototype.join = function(args) {
+    return args.join(this);
+}
+
+/* python-like list builtin
+ * transforms an iterable in a js sequence
+ * >>> gen = ifilter(function(x) {return x%2==0}, range(10))
+ * >>> s = list(gen)
+ * [0,2,4,6,8]
+ */
+function list(iterable) {
+    iterator = iter(iterable);
+    var result = [];
+    while (true) {
+	/* iterates until StopIteration occurs */
+	try {
+	    result.push(iterator.next());
+	} catch (exc) {
+	    if (exc != StopIteration) { throw exc; }
+	    return result;
+	}
+    }
+}
+
+/* py-equiv: getattr(obj, attrname, default=None) */
+function getattr(obj, attrname, defaultValue) {
+    // when not passed, defaultValue === undefined
+    return obj[attrname] || defaultValue;
+}
+
+/* py-equiv: operator.attrgetter */
+function attrgetter(attrname) {
+    return function(obj) { return getattr(obj, attrname); };
+}
+
+
+/* returns a subslice of `lst` using `start`/`stop`/`step`
+ * start, stop might be negative
+ *
+ * >>> sliceList(['a', 'b', 'c', 'd', 'e', 'f'], 2)
+ * ['c', 'd', 'e', 'f']
+ * >>> sliceList(['a', 'b', 'c', 'd', 'e', 'f'], 2, -2)
+ * ['c', 'd']
+ * >>> sliceList(['a', 'b', 'c', 'd', 'e', 'f'], -3)
+ * ['d', 'e', 'f']
+ */
+function sliceList(lst, start, stop, step) {
+    var start = start || 0;
+    var stop = stop || lst.length;
+    var step = step || 1;
+    if (stop < 0) {
+	stop = max(lst.length+stop, 0);
+    }
+    if (start < 0) {
+	start = min(lst.length+start, lst.length);
+    }
+    var result = [];
+    for (var i=start; i < stop; i+=step) {
+	result.push(lst[i]);
+    }
+    return result;
+}
+
+/* returns a partial func that calls a mehod on its argument
+ * py-equiv: return lambda obj: getattr(obj, methname)(*args)
+ */
+function methodcaller(methname) {
+    var args = sliceList(arguments, 1);
+    return function(obj) {
+	return obj[methname].apply(obj, args);
+    };
+}
+
+/* use MochiKit's listMin / listMax */
+function min() { return listMin(arguments); }
+function max() { return listMax(arguments); }
+
+// tricky multiple assign
+// function assign(lst, varnames) {
+//     var length = min(lst.length, varnames.length);
+//     for(var i=0; i<length; i++) {
+// 	window[varnames[i]] = lst[i];
+//     }
+// }
+
+/*
+ * >>> d = dict(["x", "y", "z"], [0, 1, 2])
+ * >>> d['y']
+ * 1
+ * >>> d.y
+ * 1
+ */
+function dict(keys, values) {
+    if (keys.length != values.length) {
+	throw "got different number of keys and values !";
+    }
+    var newobj = {};
+    for(var i=0; i<keys.length; i++) {
+	newobj[keys[i]] = values[i];
+    }
+    return newobj;
+}
+
+
+function concat() {
+    return ''.join(list(arguments));
+}
+
+
+/**** class factories ****/
+
+// transforms a function into an unbound method
+function makeUnboundMethod(meth) {
+    function unboundMeth(self) {
+	var newargs = sliceList(arguments, 1);
+	return meth.apply(self, newargs);
+    }
+    unboundMeth.__name__ = meth.__name__;
+    return unboundMeth;
+}
+
+function attachMethodToClass(cls, methname, meth) {
+    meth.__name__ = methname;
+    // XXX : this is probably bad for memory usage
+    cls.__dict__[methname] = meth;
+    cls[methname] = makeUnboundMethod(meth); // for the class itself
+    cls.prototype[methname] = meth; // for the instance
+}
+
+// simple internal function that tells if the attribute should
+// be copied from baseclasses or not
+function _isAttrSkipped(attrname) {
+    var skipped = ['__class__', '__dict__', '__bases__', 'prototype'];
+    for (var i=0; i < skipped.length; i++) {
+	if (skipped[i] == attrname) {
+	    return true;
+	}
+    }
+    return false;
+}
+
+// internal function used to build the class constructor
+function makeConstructor(userctor) {
+    return function() {
+	// this is a proxy to user's __init__
+	if(userctor) {
+	    userctor.apply(this, arguments);
+	}
+    };
+}
+
+/* this is a js class factory. objects returned by this function behave
+ * more or less like a python class. The `class` function prototype is
+ * inspired by the python `type` builtin
+ * Important notes :
+ *  -> methods are _STATICALLY_ attached when the class it created
+ *  -> multiple inheritance was never tested, which means it doesn't work ;-)
+ */
+function defclass(name, bases, classdict) {
+    var baseclasses = bases || [];
+
+    // this is the static inheritance approach (<=> differs from python)
+    var basemeths = {};
+    var reverseLookup = [];
+    for(var i=baseclasses.length-1; i >= 0; i--) {
+	reverseLookup.push(baseclasses[i]);
+    }
+    reverseLookup.push({'__dict__' : classdict});
+
+    for(var i=0; i < reverseLookup.length; i++) {
+	var cls = reverseLookup[i];
+	for (prop in cls.__dict__) {
+	    // XXX hack to avoid __init__, __bases__...
+	    if ( !_isAttrSkipped(prop) ) {
+		basemeths[prop] = cls.__dict__[prop];
+	    }
+	}
+    }
+    var userctor = basemeths['__init__'];
+    constructor = makeConstructor(userctor);
+
+    // python-like interface
+    constructor.__name__ = name;
+    constructor.__bases__ = baseclasses;
+    constructor.__dict__ = {};
+    constructor.prototype.__class__ = constructor;
+    // make bound / unbound methods
+    for (methname in basemeths) {
+	attachMethodToClass(constructor, methname, basemeths[methname]);
+    }
+
+    return constructor;
+}
+
+// Not really python-like
+CubicWeb = {};
+// XXX backward compatibility
+Erudi = CubicWeb;
+CubicWeb.loaded = [];
+CubicWeb.require = function(module) {
+    if (!CubicWeb.loaded.contains(module)) {
+	// a CubicWeb.load_javascript(module) function would require a dependency on ajax.js
+	log(module, ' is required but not loaded');
+    }
+};
+
+CubicWeb.provide = function(module) {
+    if (!CubicWeb.loaded.contains(module)) {
+	CubicWeb.loaded.push(module);
+    }
+};
+
+CubicWeb.provide('python.js');