Download at WoweBookCom in Visual Studio .NET

Generation QR Code in Visual Studio .NET Download at WoweBookCom
Download at WoweBookCom
Print QR-Code In .NET Framework
Using Barcode encoder for VS .NET Control to generate, create QR Code image in Visual Studio .NET applications.
Extension Modules
Denso QR Bar Code Decoder In .NET
Using Barcode reader for .NET Control to read, scan read, scan image in VS .NET applications.
and kwargs, all of type PyObject *)The self parameter is used when the wrapper function is implementing a built-in method to be applied to an instance of some object In this case, the instance is placed in the self parameter Otherwise, self is set to NULL args is a tuple containing the function arguments passed by the interpreter kwargs is a dictionary containing keyword arguments Arguments are converted from Python to C using the PyArg_ParseTuple() or PyArg_ParseTupleAndKeywords() function Similarly, the Py_BuildValue() function is used to construct an acceptable return valueThese functions are described in later sections Documentation strings for extension functions should be placed in separate string variables such as py_gcd_doc and py_replace_doc as shownThese variables are referenced during module initialization (described shortly) Wrapper functions should never, under penalty of certain flaming death, mutate data received by reference from the interpreterThis is why the py_replace() wrapper is making a copy of the received string before passing it to the C function (which modifies it in place) If this step is omitted, the wrapper function may violate Python s string immutability If you want to raise an exception, you use the PyExc_SetString() function as shown in the py_distance() wrapper NULL is returned to signal that an error has occurred The method table _examplemethods is used to associate Python names with the C wrapper functionsThese are the names used to call the function from the interpreter The METH_VARARGS flag indicates the calling conventions for a wrapper In this case, only positional arguments in the form of a tuple are accepted It can also be set to METH_VARARGS | METH_KEYWORDS to indicate a wrapper function accepting keyword argumentsThe method table additionally sets the documentation strings for each wrapper function The final part of an extension module performs an initialization procedure that varies between Python 2 and Python 3 In Python 2, the module initialization function init_example is used to initialize the contents of the module In this case, the Py_InitModule("_example",_examplemethods) function creates a module, _example, and populates it with built-in function objects corresponding to the functions listed in the method table For Python 3, you have to create an PyModuleDef object _examplemodule that describes the moduleYou then write a function PyInit_ _example() that initializes the module as shownThe module initialization function is also the place where you install constants and other parts of a module, if necessary For example, the PyModule_AddIntMacro() is adding the value of a preprocessor to the module It is important to note that naming is critically important for module initialization If you are creating a module called modname, the module initialization function must be called initmodname() in Python 2 and PyInit_modname() in Python 3 If you don t do this, the interpreter won t be able to correctly load your module
Barcode Encoder In .NET Framework
Using Barcode creation for Visual Studio .NET Control to generate, create bar code image in .NET framework applications.
Naming Extension Modules
Bar Code Reader In Visual Studio .NET
Using Barcode scanner for .NET framework Control to read, scan read, scan image in .NET applications.
It is standard practice to name C extension modules with a leading underscore such as '_example'This convention is followed by the Python standard library itself For
QR Code Creator In C#
Using Barcode generation for Visual Studio .NET Control to generate, create Denso QR Bar Code image in .NET framework applications.
Download at WoweBookCom
QR Code 2d Barcode Drawer In .NET
Using Barcode encoder for ASP.NET Control to generate, create Denso QR Bar Code image in ASP.NET applications.
26 Extending and Embedding Python
Generate QR Code ISO/IEC18004 In VB.NET
Using Barcode drawer for Visual Studio .NET Control to generate, create QR Code image in .NET applications.
instance, there are modules named _socket, _thread, _sre, and _fileio corresponding to the C programming components of the socket, threading, re, and io modules Generally, you do not use these C extension modules directly Instead, you create a high-level Python module such as the following:
UPC Code Generator In .NET Framework
Using Barcode generation for Visual Studio .NET Control to generate, create UPC Symbol image in .NET framework applications.
# examplepy from _example import * # Add additional support code below
Paint GS1 - 13 In Visual Studio .NET
Using Barcode printer for .NET Control to generate, create GTIN - 13 image in VS .NET applications.
The purpose of this Python wrapper is to supply additional support code for your module or to provide a higher-level interface In many cases, it is easier to implement parts of an extension module in Python instead of CThis design makes it easy to do this If you look at many standard library modules, you will find that they have been implemented as a mix of C and Python in this manner
Encoding Code 128 Code Set B In .NET Framework
Using Barcode encoder for .NET Control to generate, create Code 128 image in .NET applications.
Bar Code Creator In VS .NET
Using Barcode generation for Visual Studio .NET Control to generate, create bar code image in Visual Studio .NET applications.
Generating Code 128B In Java
Using Barcode creation for Java Control to generate, create Code 128B image in Java applications.
Print UCC - 12 In Java
Using Barcode creation for Java Control to generate, create UPC-A Supplement 2 image in Java applications.
European Article Number 13 Creator In .NET
Using Barcode printer for ASP.NET Control to generate, create GTIN - 13 image in ASP.NET applications.
Encoding Bar Code In VB.NET
Using Barcode encoder for Visual Studio .NET Control to generate, create bar code image in Visual Studio .NET applications.