objutils.py

wxPython的基本示例程序

    
def toDiffableString(value, maxLevel=None):
##    if (value == None):
##        return "None"
##    if ((exclude != None) and not isinstance(value, (basestring, int))):
##        for v in exclude:
##            if (v is value):
##                return "<recursive reference>"
##        exclude.append(value)
    s = toDiffableRepr(value, maxLevel)
    ds = ""
    i = s.find(" at 0x") 
    start = 0
    while (i >= 0):
        j = s.find(">", i)
        if (j < i):
            break
        ds += s[start:i]
        start = j
        i = s.find(" at 0x", start) 
    ds = ds + s[start:]
    i = ds.find("\\src\\")
    if (i < 0):
        i = ds.find("/src/")
    else:
        ds = ds.replace("\\", "/")
    if (i > 0):
        i += 4
        if (ds[i:i+5] == "\\php\\"):
            i += 4
        elif (ds[i:i+8] == "\\python\\"):
            i += 7
        ds = "filepath: ..." + ds[i:]
    return ds
        
def toString(value, options=0):
    if ((options & PRINT_OBJ_DIFFABLE) > 0):
        return toDiffableString(value)
    elif (not isinstance(value, basestring)):
        return str(value)
    return value

def typeToString(obj, options=0):
    if (isinstance(obj, BooleanType)):
        return "bool"
    elif (isinstance(obj, UnicodeType)):
        if ((options & PRINT_OBJ_DIFFABLE) > 0):
            return "string"
        return "unicode"
    elif (isinstance(obj, basestring)):
        return "string"
    elif (isinstance(obj, IntType)):
        return "int"
    elif (isinstance(obj, LongType)):
        if ((options & PRINT_OBJ_DIFFABLE) > 0):
            return "int"
        return "long"
    elif (isinstance(obj, FloatType)):
        return "float"
    elif (type(obj) == ListType):
        return "list"
    elif (isinstance(obj, DictType)):
        return "dict"
    elif (isinstance(obj, TupleType)):
        return "tuple"
    elif (isinstance(obj, InstanceType)):
##        ds = str(type(obj))
        ds = "<class %s.%s> " % (obj.__module__, obj.__class__.__name__)
    else:
        ds = str(type(obj))
    if (options == 0):
        import activegrid.util.aglogging
        options = activegrid.util.aglogging.testMode(0, PRINT_OBJ_DIFFABLE)
    if ((options & PRINT_OBJ_DIFFABLE) > 0):
        if (ds.startswith("<class ")):
            ix = ds.rfind(".")
            if (ix < 0):
                ix = 8
            ds = "<class %s>" % ds[ix+1:-2]
    return ds
    
def nameToString(name, options=0):
    if (name.startswith("_v_")):
        return name[3:]
    if ((options & PRINT_OBJ_DIFFABLE) > 0):
        ix = name.find("__")
        if ((ix > 1) and name.startswith("_")):
            name = name[ix:]
        return toDiffableString(name)
    return name
            
PRINT_OBJ_GETATTR = 1
PRINT_OBJ_HIDE_INTERNAL = 2
PRINT_OBJ_COMPACT = 4
PRINT_OBJ_NONONE = 8
PRINT_OBJ_DIFFABLE = 16
PRINT_OBJ_HIDE_EXCLUDED = 32
PRINT_OBJ_INTERNAL = 512

def printObject(out, object, name=None, indent=0, flags=0, exclude=None, remove=None, maxIndent=30):
    if (name == None):
        name = ""
##    elif (name.endswith("_") and not name.endswith("__")):
##        name = name[:-1]
    if ((remove != None) and (name in asDict(remove))):
        return False
    if ((maxIndent != None) and (indent > maxIndent)):
        print >> out, " "*indent, "%s: %s" % (name, toString(str(object), flags)),
        if ((flags & PRINT_OBJ_INTERNAL) == 0):
            print >> out
        return True
    finalNewLine = False
    printed = True
    if ((flags & (PRINT_OBJ_COMPACT | PRINT_OBJ_HIDE_EXCLUDED)) > 0):
        if ((exclude != None) and ((object in exclude) or (name in exclude))):
            return
        if ((flags & PRINT_OBJ_COMPACT) > 0):
            indent = 0
    if ((flags & PRINT_OBJ_INTERNAL) == 0):
        finalNewLine = True
    flags |= PRINT_OBJ_INTERNAL
    if (object is None):
        if (flags & PRINT_OBJ_NONONE) == 0:
            print >> out, " "*indent, name, " = None",
        else:
            finalNewLine = False
            printed = False
    elif (name.startswith("_") and ((flags & PRINT_OBJ_HIDE_INTERNAL) > 0) and not name.startswith("_v_")):
        finalNewLine = False
        printed = False
    elif (isinstance(object, (list, tuple))):
        if ((exclude != None) and object in exclude):
            print >> out, " "*indent, name, " : ", typeToString(object, flags), " of length = ", len(object), " (already printed)",
        elif ((exclude != None) and name in exclude):
            print >> out, " "*indent, name, " : ", typeToString(object, flags), " of length = ", len(object), " (excluded)",
        else:
            if ((exclude != None) and (len(object) > 0)): exclude.append(object)
            print >> out, " "*indent, name, " : ", typeToString(object, flags), " of length = %d" % len(object),
            for i, o in enumerate(object):
                print >> out
                printObject(out, o, name="[%d]" % i, indent=indent+2, flags=flags, exclude=exclude, remove=remove, maxIndent=maxIndent)
    elif (isinstance(object, dict)):
        if ((exclude != None) and object in exclude):
            print >> out, " "*indent, name, " : ", typeToString(object, flags), " (already printed)",
        else:
            if ((exclude != None) and (len(object) > 0)): exclude.append(object)
            if (len(name) > 0):
                print >> out, " "*indent, name,
                if ((flags & PRINT_OBJ_COMPACT) == 0):
                    print >> out
                    indent += 2
            print >> out, " "*indent, "{",
            if ((flags & PRINT_OBJ_COMPACT) == 0):
                print >> out
            keys = object.keys()
            keys.sort()
            for key in keys:
                if (key != None):
                    n = key
                    if (not (isinstance(n, basestring))):
                        n = str(n)
                    else:
                        n = nameToString(n, flags)
                    if ((not n.startswith("_") or ((flags & PRINT_OBJ_HIDE_INTERNAL) == 0))):
                        if printObject(out, object[key], name=n, indent=indent+2, flags=(flags | PRINT_OBJ_INTERNAL), exclude=exclude, remove=remove, maxIndent=maxIndent):
                            if ((flags & PRINT_OBJ_COMPACT) == 0):
                                print >> out
                            else:
                                print >> out, ",",
            print >> out, " "*indent, "}",
    elif (hasattr(object, "__dict__")):
        if (name.startswith("_")): ## and ((flags & PRINT_OBJ_HIDE_INTERNAL) > 0)):
            print >> out, " "*indent, name, " : ", typeToString(object, flags),
        elif ((exclude != None) and ((object in exclude) or (object.__dict__ in exclude))):
            print >> out, " "*indent, name, " : ", typeToString(object, flags), " (already printed)",
        else:
            if (exclude != None): exclude.append(object)
            print >> out, " "*indent, name, " : ", typeToString(object, flags),
            if ((flags & PRINT_OBJ_GETATTR) == 0):
                if ((flags & PRINT_OBJ_COMPACT) == 0):
                    print >> out
                printObject(out, object.__dict__, indent=indent, flags=flags, exclude=exclude, remove=remove, maxIndent=maxIndent)
            else:
                if ((flags & PRINT_OBJ_COMPACT) == 0):
                    print >> out
##                    indent += 2
                print >> out, " "*indent, "{",
                keys = object.__dict__.keys()
                keys.sort()
                printed = True
                for key in keys:
                    if ((exclude != None) and (key in exclude)):
                        continue
                    if (printed and ((flags & PRINT_OBJ_COMPACT) == 0)):
                        print >> out
                    n = nameToString(key, flags)
                    printed = printObject(out, getattr(object, n), name=n, indent=indent+2, flags=flags, exclude=exclude, remove=remove, maxIndent=maxIndent)
                if ((flags & PRINT_OBJ_COMPACT) == 0):
                    print >> out
                print >> out, " "*indent, "}",
    elif (indent < 0):
        print >> out, object,
    elif isinstance(object, basestring):
        if ((exclude != None) and name in exclude):
            print >> out, " "*indent, name, " : ", typeToString(object, flags), " of length = ", len(object), " (excluded)",
        elif (len(object) > 100):
            object = toString(object, flags)
            print >> out, " "*indent, name, ":", typeToString(object, flags), "[%d] = %s...%s" % (len(object), object[:50], object[-50:]),
        else:
            print >> out, " "*indent, name, ":", typeToString(object, flags), "=", toString(object, flags),
##    elif (isinstance(object, float)):
##        val = str(object)
##        if (len(val) > 17):
##            val = val[:17]
##        print >> out, " "*indent, name, ":", type(object), "=", val,
    else:
        print >> out, " "*indent, name, ":", typeToString(object, flags), "=", toString(object, flags),
    if (finalNewLine):
        print >> out
    return printed