PrimaryKey

tradingstrategy.types.PrimaryKey class.

class PrimaryKey

Bases: TradingStrategyType, int

64-bit integer based primary key.

Also referred as “internal id” on website and data streams.

This is a type alias to Python integer type.

Primary keys are not stable across different dataset. Blockchain data healing process may require to regenerate the data which means the old data is purged, reimported, with new primary keys.

__init__()

Methods

__init__()
as_integer_ratio()	Return integer ratio.
bit_count()	Number of ones in the binary representation of the absolute value of self.
bit_length()	Number of bits necessary to represent self in binary.
conjugate	Returns self, the complex conjugate of any int.
from_bytes(byteorder, *[, signed])	Return the integer represented by the given array of bytes.
to_bytes(length, byteorder, *[, signed])	Return an array of bytes representing an integer.

Attributes

denominator	the denominator of a rational number in lowest terms
imag	the imaginary part of a complex number
numerator	the numerator of a rational number in lowest terms
real	the real part of a complex number