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  • SIG for development of Python/C++ integration

    ...cted Python type is known. Goal: Addition of a C++ type which wraps any Python object and provides a similar interface to Python's, with the validity of any operation checked at runtime. Interface for the application of standard C++ algorithms to Python objects Goal: Implementation of interfaces for the application of C++ Standard Template Library algorithms and boost algorithms to Python objects, such as Python lists, tuples, strings and Python objects that support ...

  • Glue It All Together With Python

    ...cause Python cannot call C/C++ functions directly; the glue extensions handle conversion between Python data types and C/C++ data types and error checking, translation error return values into Python exception. Creation of glue extensions is simplified by the existence of SWIG, which reads header files containing function and method prototypes and automatically generates the necessary type conversion and error checking code. In situations where the underlying code (usually C code) doe...

  • The Python 2.3 Method Resolution Order

    ...class C. For instance, in the case of single inheritance hierarchy, if C is a subclass of C1, and C1 is a subclass of C2, then the linearization of C is simply the list [C, C1 , C2]. However, with multiple inheritance hierarchies, the construction of the linearization is more cumbersome, since it is more difficult to construct a linearization that respects local precedence ordering and monotonicity. I will discuss the local precedence ordering later, but I can give the definition of monotonicit...

  • SIG for Supporting Use of the Python/C API

    ...Python/C API SIG for Supporting Use of the Python/C API The Python/C API SIG is a forum for discussions about the discussion and support using the Python/C API in extending or embedding python.

  • SIG on Python bindings for Objective-C/NeXTSTEP/OpenStep

    ...ctive and inactive lists. The Python / Objective C connection lives on in the PyObjC project at SourceForge! The purpose of this SIG is to complete a Python extension module binding the Objective-C and Python runtime systems. Goals include: Providing the ability to dynamically call from Objective-C to Python and vice versa. Resolving the syntactic differences between the languages. Providing the ability to move inheritance, interface, and implementation easily across ...

  • Event – Extending Python in C (Cluj.py)

    ,

    Location: Chaos Club Cluj, Ferdinand 6, Cluj-Napoca, Romania

    Extending Python in C

  • Objective-C SIG Status

    ...ctive-C SIG Status Objective-C SIG Status Lele Gaifax has recently posted a much improved module to provide Python bindings to the Objective-C runtime. Bill Bumgarner is archiving the latest releases, along with quad-fat binaries and other useful Objective-C/Python stuff. Bill's archive is available at ftp://ftp.thoughtport.net/pub/next/lang/

  • Python Success Stories

    ...call back and forth between Python and C or C++. In most cases, we wrote and debugged code first in Python, and then converted by hand into C. This approach worked well for us. Working initially in Python was much more efficient and the conversion process relatively painless. Analysis of our records shows that 360 days were spent on 77K lines of Python code and 300 days (almost as much) on 44K of C, C++, or other code. From our experience with code conversions, we believe it is roughly correct f...

  • Python Success Stories

    ...ce to the factory control system, and also took on some additional tasks: Control of the tools and data collection from the tools using SECS, which is a communication protocol used in automation of electronics manufacturing facilities Dispatch of collected data to mainframe and PC databases. This data is used by manufacturing and engineering to monitor the product, and is also used to automatically tune the performance of the tools. Automation of logistical control by recording the arrival and...

  • Python Success Stories

    ...and it all ran on both Windows and Linux. We have since successfully licensed the product to a number of companies and beat popular branded competitor products in reviews. The product stands as a testament, at least to the team here, that Python is viable for commercial systems-level development and not just a scripting language. Python is now a preferred language at our company for any systems development projects -- except, of course, device drivers! About the Author Marcus Low (marcus at en...

  • Python Success Stories

    ...and debugger. Code Generation with Python The language I chose for the code generators was, of course, Python. Its simplicity and power are perfect for the job of reading data files and producing code. To simplify the integration with the C++ code, the Python generators are inserted directly into the C++ file as comments. Cog reads a text file (C++ in our case), looking for specially-marked sections of text, that it will use as generators. It executes those sections as Python code, capturing...

  • Comparing Python to Other Languages

    ...ctures, and executes typical code much slower than Python. Tcl also lacks features needed for writing large programs, such as modular namespaces. Thus, while a "typical" large application using Tcl usually contains Tcl extensions written in C or C++ that are specific to that application, an equivalent Python application can often be written in "pure Python". Of course, pure Python development is much quicker than having to write and debug a C or C++ component. It has been said that Tcl's...

  • Python Success Stories

    ...cult to recruit new developers with prior experience in Python, however our experience so far has been that Python has been a very easy language to pick up. Once you learn Python, it's hard to go back to using other languages like C/C++. There were several reasons we decided to user Python as the platform of choice for WordStream. First, Python code is extremely and universally readable. Developers from any language background can read and understand code without having to resort to much documen...

  • Python Success Stories

    ...Charlie Fly, who has cranked out some 17,000 source lines of code (SLOC). Python plays the central role, managing data interactions and the task network, as shown in Figure A. Figure A: Python plays a central role in data interaction. In the system, user tasks communicate with a Python data server, which in turn connects to an Oracle server via DCOracle. Using Oracle's built-in trigger mechanism to send a message to WAS as data records are updated, the WAS calculates which tasks are now data-...

  • Python Patterns - Implementing Graphs

    ...ccidental usage of find_graph() instead of find_path() Copyright (c) 1998, 2000, 2003, 2019 Python Software Foundation. All rights reserved. Licensed under the PSF license. Graphs are networks consisting of nodes connected by edges or arcs. In directed graphs, the connections between nodes have a direction, and are called arcs; in undirected graphs, the connections have no direction and are called edges. We mainly discuss directed graphs. Algorithms in graphs include...

  • Unifying types and classes in Python 2.2

    ...classes class M1(type): ... class M2(M1): ... class M3(M2): ... class M4(type): ... # Regular classes class C1: __metaclass__ = M1 class C2(C1): __metaclass__ = M2 class C3(C1, C2): __metaclass__ = M3 class D(C2, C3): __metaclass__ = M1 class C4: __metaclass__ = M4 class E(C3, C4): pass For class C2, the constraint is satisfied because M2 is a subclass of M1. For class C3, it is satisfied because M3 is a subclass of both M1 and M2. For class D,...

  • Unifying types and classes in Python 2.2

    ...classes class C1: __metaclass__ = M1 class C2(C1): __metaclass__ = M2 class C3(C1, C2): __metaclass__ = M3 class D(C2, C3): __metaclass__ = M1 class C4: __metaclass__ = M4 class E(C3, C4): pass For class C2, the constraint is satisfied because M2 is a subclass of M1. For class C3, it is satisfied because M3 is a subclass of both M1 and M2. For class D, the explicit metaclass M1 is not a subclass of the ...

  • Unifying types and classes in Python 2.2

    ...classes class C1: __metaclass__ = M1 class C2(C1): __metaclass__ = M2 class C3(C1, C2): __metaclass__ = M3 class D(C2, C3): __metaclass__ = M1 class C4: __metaclass__ = M4 class E(C3, C4): pass For class C2, the constraint is satisfied because M2 is a subclass of M1. For class C3, it is satisfied because M3 is a subclass of both M1 and M2. For class D, the explicit metaclass M1 is not a subclass of the ...

  • Unifying types and classes in Python 2.2

    ...classes class C1: __metaclass__ = M1 class C2(C1): __metaclass__ = M2 class C3(C1, C2): __metaclass__ = M3 class D(C2, C3): __metaclass__ = M1 class C4: __metaclass__ = M4 class E(C3, C4): pass For class C2, the constraint is satisfied because M2 is a subclass of M1. For class C3, it is satisfied because M3 is a subclass of both M1 and M2. For class D, the explicit metaclass M1 is not a subclass of the ...

  • Other Documentation Tools

    ...C and C++. It provides special commands that can be embedded in marked comments that look quite TeXish, and supports some JavaDoc-style marks as well. This is a derivative of DOC++. DOC++ -- Documentation system for C, C++, and Java; the inputs are C/C++ header files with markup or Java source files. It can output HTML and LaTeX. (No real examples of input sources online.) DocJet (commercial) ...

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