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Migration towards Python3, first stage: still based on C-Macros. * New: Python/C++ API level: * Write a new C++/template wrapper to get rid of boost::python * The int & long Python type are now merged. So a C/C++ level, it became "PyLong_X" (remove "PyInt_X") and at Python code level, it became "int" (remove "long"). * Change: VLSISAPD finally defunct. * Configuration is now integrated as a Hurricane component, makes use of the new C++/template wrapper. * vlsisapd is now defunct. Keep it in the source for now as some remaining non essential code may have to be ported in the future. * Note: Python code (copy of the migration howto): * New print function syntax print(). * Changed "dict.has_key(k)" for "k" in dict. * Changed "except Exception, e" for "except Exception as e". * The division "/" is now the floating point division, even if both operand are integers. So 3/2 now gives 1.5 and no longer 1. The integer division is now "//" : 1 = 3//2. So have to carefully review the code to update. Most of the time we want to use "//". We must never change to float for long that, in fact, represents DbU (exposed as Python int type). * execfile() must be replaced by exec(open("file").read()). * iter().__next__() becomes iter(x).__next__(). * __getslice__() has been removed, integrated to __getitem__(). * The formating used for str(type(o)) has changed, so In Stratus, have to update them ("<class 'MyClass'>" instead of "MyClass"). * the "types" module no longer supply values for default types like str (types.StringType) or list (types.StringType). Must use "isinstance()" where they were occuring. * Remove the 'L' to indicate "long integer" (like "12L"), now all Python integer are long. * Change in bootstrap: * Ported Coriolis builder (ccb) to Python3. * Ported Coriolis socInstaller.py to Python3. * Note: In PyQt4+Python3, QVariant no longer exists. Use None or directly convert using the python syntax: bool(x), int(x), ... By default, it is a string (str). * Note: PyQt4 bindings & Python3 under SL7. * In order to compile user's must upgrade to my own rebuild of PyQt 4 & 5 bindings 4.19.21-1.el7.soc. * Bug: In cumulus/plugins.block.htree.HTree.splitNet(), set the root buffer of the H-Tree to the original signal (mainly: top clock). Strangely, it was only done when working in full chip mode.
2021-09-19 12:41:24 -05:00
.. -*- mode: rst; explicit-buffer-name: "PythonCppNew_HTML.rst<pelican>" -*-
============================================
Hurricane Python/C++ API Tutorial (template)
============================================
:slug: python-cpp-new
:date: 2020-01-02 16:00
:Authors: Jean-Paul Chaput
:Contact: <Jean-Paul.Chaput@lip6.fr>
:Version: June 4, 2019 (jpc)
:status: hidden
.. include:: ../../../etc/definitions.rst
Printable version of this Document
==================================
.. contents::
:depth: 2
.. include:: Introduction.rst
.. include:: Implementation.rst