NetworkTableEntry

class ntcore.NetworkTableEntry

Bases: pybind11_object

NetworkTables Entry

Note

For backwards compatibility, the NetworkTableEntry destructor does not release the entry.

@ingroup ntcore_cpp_api

clearPersistent() → None

Stop making value persistent through program restarts.

exists() → bool

Determines if the entry currently exists.

Returns:

True if the entry exists, false otherwise.

getBoolean(defaultValue: object) → object

Gets the entry’s value as a boolean. If the entry does not exist or is of different type, it will return the default value.

Parameters:

defaultValue – the value to be returned if no value is found

Returns:

the entry’s value or the given default value

getBooleanArray(defaultValue: object) → object

Gets the entry’s value as a boolean array. If the entry does not exist or is of different type, it will return the default value.

Parameters:

defaultValue – the value to be returned if no value is found

Returns:

the entry’s value or the given default value

Note

This makes a copy of the array. If the overhead of this is a concern, use GetValue() instead.

Note

The returned array is std::vector<int> instead of std::vector<bool> because std::vector<bool> is special-cased in C++. 0 is false, any non-zero value is true.

getDouble(defaultValue: object) → object

Gets the entry’s value as a double. If the entry does not exist or is of different type, it will return the default value.

Parameters:

defaultValue – the value to be returned if no value is found

Returns:

the entry’s value or the given default value

getDoubleArray(defaultValue: object) → object

Gets the entry’s value as a double array. If the entry does not exist or is of different type, it will return the default value.

Parameters:

defaultValue – the value to be returned if no value is found

Returns:

the entry’s value or the given default value

Note

This makes a copy of the array. If the overhead of this is a concern, use GetValue() instead.

getFloat(defaultValue: object) → object

Gets the entry’s value as a float. If the entry does not exist or is of different type, it will return the default value.

Parameters:

defaultValue – the value to be returned if no value is found

Returns:

the entry’s value or the given default value

getFloatArray(defaultValue: object) → object

Gets the entry’s value as a float array. If the entry does not exist or is of different type, it will return the default value.

Parameters:

defaultValue – the value to be returned if no value is found

Returns:

the entry’s value or the given default value

Note

This makes a copy of the array. If the overhead of this is a concern, use GetValue() instead.

getInstance() → ntcore._ntcore.NetworkTableInstance

Gets the instance for the entry.

Returns:

Instance

getInteger(defaultValue: object) → object

Gets the entry’s value as a integer. If the entry does not exist or is of different type, it will return the default value.

Parameters:

defaultValue – the value to be returned if no value is found

Returns:

the entry’s value or the given default value

getIntegerArray(defaultValue: object) → object

Gets the entry’s value as a integer array. If the entry does not exist or is of different type, it will return the default value.

Parameters:

defaultValue – the value to be returned if no value is found

Returns:

the entry’s value or the given default value

Note

This makes a copy of the array. If the overhead of this is a concern, use GetValue() instead.

getLastChange() → int

Gets the last time the entry’s value was changed.

Returns:

Entry last change time

getName() → str

Gets the name of the entry (the key).

Returns:

the entry’s name

getRaw(defaultValue: object) → object

Gets the entry’s value as a raw. If the entry does not exist or is of different type, it will return the default value.

Parameters:

defaultValue – the value to be returned if no value is found

Returns:

the entry’s value or the given default value

getString(defaultValue: object) → object

Gets the entry’s value as a string. If the entry does not exist or is of different type, it will return the default value.

Parameters:

defaultValue – the value to be returned if no value is found

Returns:

the entry’s value or the given default value

getStringArray(defaultValue: object) → object

Gets the entry’s value as a string array. If the entry does not exist or is of different type, it will return the default value.

Parameters:

defaultValue – the value to be returned if no value is found

Returns:

the entry’s value or the given default value

Note

This makes a copy of the array. If the overhead of this is a concern, use GetValue() instead.

getTopic() → ntcore._ntcore.Topic

Gets the entry’s topic.

Returns:

Topic

getType() → ntcore._ntcore.NetworkTableType

Gets the type of the entry.

Returns:

the entry’s type

getValue() → ntcore._ntcore.Value

Gets the entry’s value. If the entry does not exist, returns an empty value.

Returns:

the entry’s value or an empty value if it does not exist.

isPersistent() → bool

Returns whether the value is persistent through program restarts.

Returns:

True if the value is persistent.

readQueue() → list[ntcore._ntcore.Value]

Get an array of all value changes since the last call to ReadQueue.

The “poll storage” subscribe option can be used to set the queue depth.

Returns:

Array of values; empty array if no new changes have been published since the previous call.

setBoolean(value: bool, time: int = 0) → bool

Sets the entry’s value.

Parameters:

• value – the value to set

• time – the timestamp to set (0 = nt::Now())

Returns:

False if the entry exists with a different type

setBooleanArray(value: List[bool], time: int = 0) → bool

Sets the entry’s value.

Parameters:

• value – the value to set

• time – the timestamp to set (0 = nt::Now())

Returns:

False if the entry exists with a different type

setDefaultBoolean(defaultValue: bool) → bool

Sets the entry’s value if it does not exist.

Parameters:

defaultValue – the default value to set

Returns:

True if the entry did not already have a value, otherwise False

setDefaultBooleanArray(defaultValue: List[int]) → bool

Sets the entry’s value if it does not exist.

Parameters:

defaultValue – the default value to set

Returns:

True if the entry did not already have a value, otherwise False

setDefaultDouble(defaultValue: float) → bool

Sets the entry’s value if it does not exist.

Parameters:

defaultValue – the default value to set

Returns:

True if the entry did not already have a value, otherwise False

setDefaultDoubleArray(defaultValue: List[float]) → bool

Sets the entry’s value if it does not exist.

Parameters:

defaultValue – the default value to set

Returns:

True if the entry did not already have a value, otherwise False

setDefaultFloat(defaultValue: float) → bool

Sets the entry’s value if it does not exist.

Parameters:

defaultValue – the default value to set

Returns:

True if the entry did not already have a value, otherwise False

setDefaultFloatArray(defaultValue: List[float]) → bool

Sets the entry’s value if it does not exist.

Parameters:

defaultValue – the default value to set

Returns:

True if the entry did not already have a value, otherwise False

setDefaultInteger(defaultValue: int) → bool

Sets the entry’s value if it does not exist.

Parameters:

defaultValue – the default value to set

Returns:

True if the entry did not already have a value, otherwise False

setDefaultIntegerArray(defaultValue: List[int]) → bool

Sets the entry’s value if it does not exist.

Parameters:

defaultValue – the default value to set

Returns:

True if the entry did not already have a value, otherwise False

setDefaultRaw(defaultValue: Buffer) → bool

Sets the entry’s value if it does not exist.

Parameters:

defaultValue – the default value to set

Returns:

True if the entry did not already have a value, otherwise False

setDefaultString(defaultValue: str) → bool

Sets the entry’s value if it does not exist.

Parameters:

defaultValue – the default value to set

Returns:

True if the entry did not already have a value, otherwise False

setDefaultStringArray(defaultValue: List[str]) → bool

Sets the entry’s value if it does not exist.

Parameters:

defaultValue – the default value to set

Returns:

True if the entry did not already have a value, otherwise False

setDefaultValue(*args, **kwargs)

Overloaded function.

1. setDefaultValue(self: ntcore._ntcore.NetworkTableEntry, defaultValue: ntcore._ntcore.Value) -> bool

Sets the entry’s value if it does not exist.

Parameters:

defaultValue – the default value to set

Returns:

True if the entry did not already have a value, otherwise False

2. setDefaultValue(self: ntcore._ntcore.NetworkTableEntry, value: float) -> bool

3. setDefaultValue(self: ntcore._ntcore.NetworkTableEntry, value: bool) -> bool

4. setDefaultValue(self: ntcore._ntcore.NetworkTableEntry, value: bytes) -> bool

5. setDefaultValue(self: ntcore._ntcore.NetworkTableEntry, value: str) -> bool

6. setDefaultValue(self: ntcore._ntcore.NetworkTableEntry, value: Sequence) -> bool

setDouble(value: float, time: int = 0) → bool

Sets the entry’s value.

Parameters:

• value – the value to set

• time – the timestamp to set (0 = nt::Now())

Returns:

False if the entry exists with a different type

setDoubleArray(value: List[float], time: int = 0) → bool

Sets the entry’s value.

Parameters:

• value – the value to set

• time – the timestamp to set (0 = nt::Now())

Returns:

False if the entry exists with a different type

setFloat(value: float, time: int = 0) → bool

Sets the entry’s value.

Parameters:

• value – the value to set

• time – the timestamp to set (0 = nt::Now())

Returns:

False if the entry exists with a different type

setFloatArray(value: List[float], time: int = 0) → bool

Sets the entry’s value.

Parameters:

• value – the value to set

• time – the timestamp to set (0 = nt::Now())

Returns:

False if the entry exists with a different type

setInteger(value: int, time: int = 0) → bool

Sets the entry’s value.

Parameters:

• value – the value to set

• time – the timestamp to set (0 = nt::Now())

Returns:

False if the entry exists with a different type

setIntegerArray(value: List[int], time: int = 0) → bool

Sets the entry’s value.

Parameters:

• value – the value to set

• time – the timestamp to set (0 = nt::Now())

Returns:

False if the entry exists with a different type

setPersistent() → None

Make value persistent through program restarts.

setRaw(value: Buffer, time: int = 0) → bool

Sets the entry’s value.

Parameters:

• value – the value to set

• time – the timestamp to set (0 = nt::Now())

Returns:

False if the entry exists with a different type

setString(value: str, time: int = 0) → bool

Sets the entry’s value.

Parameters:

• value – the value to set

• time – the timestamp to set (0 = nt::Now())

Returns:

False if the entry exists with a different type

setStringArray(value: List[str], time: int = 0) → bool

Sets the entry’s value.

Parameters:

• value – the value to set

• time – the timestamp to set (0 = nt::Now())

Returns:

False if the entry exists with a different type

setValue(*args, **kwargs)

Overloaded function.

1. setValue(self: ntcore._ntcore.NetworkTableEntry, value: ntcore._ntcore.Value) -> bool

Sets the entry’s value.

Parameters:

value – the value to set

Returns:

False if the entry exists with a different type

2. setValue(self: ntcore._ntcore.NetworkTableEntry, value: float) -> bool

3. setValue(self: ntcore._ntcore.NetworkTableEntry, value: bool) -> bool

4. setValue(self: ntcore._ntcore.NetworkTableEntry, value: bytes) -> bool

5. setValue(self: ntcore._ntcore.NetworkTableEntry, value: str) -> bool

6. setValue(self: ntcore._ntcore.NetworkTableEntry, value: Sequence) -> bool

unpublish() → None

Stops publishing the entry if it’s been published.

property value