PyKX 2.0.0 has been released.
Full details on the release can be found
here.
This release is a major version owing to the following changes
- Pandas API functionality is now permanently enabled modifying indexing on
pykx.Table objects which requires conscious review and testing for adoption
- EmbedPy replacement functionality for PyKX is now non-beta for Linux and MacOS see here for further information.
PyKX in Python
Additions:
- Update to license installation workflow for new users to PyKX providing license install workflow when license is not detected.
- Addition of
pykx.license module containing license installation, expiry and validation functionality, see here for more information.
- Addition of
pykx.random module providing functionality for random data generation
>>> kx.random.random(5. 1.0)
pykx.FloatVector(pykx.q('0.1959057 0.06460555 0.9550039 0.4991214 0.3207941'))
>>> kx.random.random([2, 3], ['a', 'b', 'c'], seed=123)
pykx.List(pykx.q('
c c c
a b b
'))
- Addition of
pykx.register module providing users the ability to specify custom Python to q conversions
>>> import pykx as kx
>>> def complex_conversion(data):
... return kx.q([data.real, data.imag])
>>> kx.register.py_toq(complex, complex_conversion)
>>> kx.toq(complex(1, 2))
pykx.FloatVector(pykx.q('1 2f'))
- Addition of file based configuration setting allowing users to centrally manage config without using env-vars see here for more information.
- Addition of
apply and groupby methods to PyKX Tables
>>> import pykx as kx
>>> N = 1000000
>>> tab = kx.Table(data = {
... 'price': kx.random.random(N, 10.0),
... 'sym': kx.random.random(N, ['a', 'b', 'c'])
... })
>>> tab.groupby('sym').apply(kx.q.sum)
pykx.KeyedTable(pykx.q('
sym| price
---| --------
a | 166759.4
b | 166963.6
c | 166444.1
'))
Fixes and improvements:
- Serialising
pykx.Foreign objects using pickle no longer results in segmentation fault
- Attempts to call
pykx.q.{select/exec/update/delete} now return appropriate error message and suggestion to use qsql equivalent functionality
PyKX under q Process
Additions:
- Addition of
.pykx.version denoting PyKX version installed
- Addition of function
.pykx.debugInfo returning debugging information about a users PyKX installation
- Addition of
.pykx.qcallable and .pykx.pycallable function mapping to embedPy equivalent logic
Fixes and improvements:
- Resolution to memory leaks/segmentation faults relating to the following
.pykx.*eval functions would leak memory on each invocation.pykx.pyexec would result in segmentation fault on repeated invocation- Attempts to convert non Pythonic foreign objects would result in segmentation fault
- Miscellaneous additional fixes here
PyKX 2.0.1 has been released.
Full details on the release can be found
here.
Fixes and Improvements:
- User input based license initialisation introduced in 2.0.0 no longer expects user input when operating in a non-interactive modality, use of PyKX in this mode will revert to previous behaviour
- Use of the environment variables
QARGS='--unlicensed' or QARGS='--licensed' operate correctly following regression in 2.0.0
- Fix to issue where
OSError would be raised when close() was called on an IPC connection which has already disconnected server side
