Expressions

class Expression

A server side expression.

static constant_double(value)

A constant value of double precision floating point type.

Parameters:

value (float)

Return type:

Expression

static constant_float(value)

A constant value of single precision floating point type.

Parameters:

value (float)

Return type:

Expression

static constant_int(value)

A constant value of integer type.

Parameters:

value (int)

Return type:

Expression

static constant_bool(value)

A constant value of boolean type.

Parameters:

value (bool)

Return type:

Expression

static constant_string(value)

A constant value of string type.

Parameters:

value (str)

Return type:

Expression

static call(call)

An RPC call.

Parameters:

call (krpc.schema.KRPC.ProcedureCall)

Return type:

Expression

static equal(arg0, arg1)

Equality comparison.

Parameters:

• arg0 (Expression)

• arg1 (Expression)

Return type:

Expression

static not_equal(arg0, arg1)

Inequality comparison.

Parameters:

• arg0 (Expression)

• arg1 (Expression)

Return type:

Expression

static greater_than(arg0, arg1)

Greater than numerical comparison.

Parameters:

• arg0 (Expression)

• arg1 (Expression)

Return type:

Expression

static greater_than_or_equal(arg0, arg1)

Greater than or equal numerical comparison.

Parameters:

• arg0 (Expression)

• arg1 (Expression)

Return type:

Expression

static less_than(arg0, arg1)

Less than numerical comparison.

Parameters:

• arg0 (Expression)

• arg1 (Expression)

Return type:

Expression

static less_than_or_equal(arg0, arg1)

Less than or equal numerical comparison.

Parameters:

• arg0 (Expression)

• arg1 (Expression)

Return type:

Expression

static and_(arg0, arg1)

Boolean and operator.

Parameters:

• arg0 (Expression)

• arg1 (Expression)

Return type:

Expression

static or_(arg0, arg1)

Boolean or operator.

Parameters:

• arg0 (Expression)

• arg1 (Expression)

Return type:

Expression

static exclusive_or(arg0, arg1)

Boolean exclusive-or operator.

Parameters:

• arg0 (Expression)

• arg1 (Expression)

Return type:

Expression

static not_(arg)

Boolean negation operator.

Parameters:

arg (Expression)

Return type:

Expression

static add(arg0, arg1)

Numerical addition.

Parameters:

• arg0 (Expression)

• arg1 (Expression)

Return type:

Expression

static subtract(arg0, arg1)

Numerical subtraction.

Parameters:

• arg0 (Expression)

• arg1 (Expression)

Return type:

Expression

static multiply(arg0, arg1)

Numerical multiplication.

Parameters:

• arg0 (Expression)

• arg1 (Expression)

Return type:

Expression

static divide(arg0, arg1)

Numerical division.

Parameters:

• arg0 (Expression)

• arg1 (Expression)

Return type:

Expression

static modulo(arg0, arg1)

Numerical modulo operator.

Parameters:

• arg0 (Expression)

• arg1 (Expression)

Returns:

The remainder of arg0 divided by arg1

Return type:

Expression

static power(arg0, arg1)

Numerical power operator.

Parameters:

• arg0 (Expression)

• arg1 (Expression)

Returns:

arg0 raised to the power of arg1, with type of arg0

Return type:

Expression

static left_shift(arg0, arg1)

Bitwise left shift.

Parameters:

• arg0 (Expression)

• arg1 (Expression)

Return type:

Expression

static right_shift(arg0, arg1)

Bitwise right shift.

Parameters:

• arg0 (Expression)

• arg1 (Expression)

Return type:

Expression

static cast(arg, type)

Perform a cast to the given type.

Parameters:

• arg (Expression)

• type (Type) – Type to cast the argument to.

Return type:

Expression

static parameter(name, type)

A named parameter of type double.

Parameters:

• name (str) – The name of the parameter.

• type (Type) – The type of the parameter.

Returns:

A named parameter.

Return type:

Expression

static function(parameters, body)

A function.

Parameters:

• parameters (list) – The parameters of the function.

• body (Expression) – The body of the function.

Returns:

A function.

Return type:

Expression

static invoke(function, args)

A function call.

Parameters:

• function (Expression) – The function to call.

• args (dict) – The arguments to call the function with.

Returns:

A function call.

Return type:

Expression

static create_tuple(elements)

Construct a tuple.

Parameters:

elements (list) – The elements.

Returns:

The tuple.

Return type:

Expression

static create_list(values)

Construct a list.

Parameters:

values (list) – The value. Should all be of the same type.

Returns:

The list.

Return type:

Expression

static create_set(values)

Construct a set.

Parameters:

values (set) – The values. Should all be of the same type.

Returns:

The set.

Return type:

Expression

static create_dictionary(keys, values)

Construct a dictionary, from a list of corresponding keys and values.

Parameters:

• keys (list) – The keys. Should all be of the same type.

• values (list) – The values. Should all be of the same type.

Returns:

The dictionary.

Return type:

Expression

static to_list(arg)

Convert a collection to a list.

Parameters:

arg (Expression) – The collection.

Returns:

The collection as a list.

Return type:

Expression

static to_set(arg)

Convert a collection to a set.

Parameters:

arg (Expression) – The collection.

Returns:

The collection as a set.

Return type:

Expression

static get(arg, index)

Access an element in a tuple, list or dictionary.

Parameters:

• arg (Expression) – The tuple, list or dictionary.

• index (Expression) – The index of the element to access. A zero indexed integer for a tuple or list, or a key for a dictionary.

Returns:

The element.

Return type:

Expression

static count(arg)

Number of elements in a collection.

Parameters:

arg (Expression) – The list, set or dictionary.

Returns:

The number of elements in the collection.

Return type:

Expression

static sum(arg)

Sum all elements of a collection.

Parameters:

arg (Expression) – The list or set.

Returns:

The sum of the elements in the collection.

Return type:

Expression

static max(arg)

Maximum of all elements in a collection.

Parameters:

arg (Expression) – The list or set.

Returns:

The maximum elements in the collection.

Return type:

Expression

static min(arg)

Minimum of all elements in a collection.

Parameters:

arg (Expression) – The list or set.

Returns:

The minimum elements in the collection.

Return type:

Expression

static average(arg)

Minimum of all elements in a collection.

Parameters:

arg (Expression) – The list or set.

Returns:

The minimum elements in the collection.

Return type:

Expression

static select(arg, func)

Run a function on every element in the collection.

Parameters:

• arg (Expression) – The list or set.

• func (Expression) – The function.

Returns:

The modified collection.

Return type:

Expression

static where(arg, func)

Run a function on every element in the collection.

Parameters:

• arg (Expression) – The list or set.

• func (Expression) – The function.

Returns:

The modified collection.

Return type:

Expression

static contains(arg, value)

Determine if a collection contains a value.

Parameters:

• arg (Expression) – The collection.

• value (Expression) – The value to look for.

Returns:

Whether the collection contains a value.

Return type:

Expression

static aggregate(arg, func)

Applies an accumulator function over a sequence.

Parameters:

• arg (Expression) – The collection.

• func (Expression) – The accumulator function.

Returns:

The accumulated value.

Return type:

Expression

static aggregate_with_seed(arg, seed, func)

Applies an accumulator function over a sequence, with a given seed.

Parameters:

• arg (Expression) – The collection.

• seed (Expression) – The seed value.

• func (Expression) – The accumulator function.

Returns:

The accumulated value.

Return type:

Expression

static concat(arg1, arg2)

Concatenate two sequences.

Parameters:

• arg1 (Expression) – The first sequence.

• arg2 (Expression) – The second sequence.

Returns:

The first sequence followed by the second sequence.

Return type:

Expression

static order_by(arg, key)

Order a collection using a key function.

Parameters:

• arg (Expression) – The collection to order.

• key (Expression) – A function that takes a value from the collection and generates a key to sort on.

Returns:

The ordered collection.

Return type:

Expression

static all(arg, predicate)

Determine whether all items in a collection satisfy a boolean predicate.

Parameters:

• arg (Expression) – The collection.

• predicate (Expression) – The predicate function.

Returns:

Whether all items satisfy the predicate.

Return type:

Expression

static any(arg, predicate)

Determine whether any item in a collection satisfies a boolean predicate.

Parameters:

• arg (Expression) – The collection.

• predicate (Expression) – The predicate function.

Returns:

Whether any item satisfies the predicate.

Return type:

Expression

class Type

A server side expression.

static double()

Double type.

Return type:

Type

static float()

Float type.

Return type:

Type

static int()

Int type.

Return type:

Type

static bool()

Bool type.

Return type:

Type

static string()

String type.

Return type:

Type