Python Cookbook
| [SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] C and C++ breakpoints, setting in dynamically loaded extensions C arrays, translating Python sequences into C-coded Python extensions [See C-coded Python extensions] connecting C routines to Python enum type simulating in Python performance, measuring compared to Python Python extension module tools for 2nd 3rd ternary operator, simulating in Python 2nd C-coded Python extensions coding the methods of a Python class compiler requirements debugging with gdb implementing C function callbacks to a Python function memory problems, debugging new and borrowed references, preventing problems with Python sequence, accessing item by item releasing the Python global interpreter lock returning None from a callable C function Py_None and reference counts SWIG-generated modules in a multithreaded environment caching the return values of functions _ _call_ _ 2nd 3rd composing functions using callables, currying callback functions avoiding Lambda in writing "can't pickle file objects exception" TypeError canonicform Canvas widget capitalize (string function) cascade entries case statement, Python equivalent case, conversions between upper and lower The Celestial Emporium of Benevolent Knowledge center (string object method) central.py 2nd 3rd CGI (Common Gateway Interface) cgi module 2nd CGI scripts location of import statements output of writing a script CGI testing directing error output to standard output handling URLs in a script using a simple dictionary for CGI parameters cgi.escape cgitest.py character encodings MIME parts character sets CharacterDataHandler characters contrasted with bytes converting to values characters method checkbutton entries checkcache chmod, GUI implementation chr class adoption class methods implementing class objects class statement _ _class_init_ _ classes classic classes constructors controlling class behavior by defining a custom metaclass dictionaries, wrapping functionality, adding to getting all members of a hierarchy inner classes memory usage, tracking modeling a set Python recoded to C saving and restoring via cPickle module tracking instances of classmethod Classname.method(self, ...) syntax ClassWithClassMethods clearcache client.py CLIs (command-line interfaces) close CloseKey cmp cmp(s1, s2), Python equivalent code reuse by inheritance code, replacing with code-execution results collecting a bunch of named items collections, implementing color scales, creating color, using to provide feedback to user input COM automation accessing ADSI via WSH, accessing via Command class command entries command files, parsing command-line interfaces [See CLIs] commands, running repeatedly commas, use in packing comparison functions compared to DSU compile compiler requirements, C-coded Python extensions compose composition (of functions) computer languages, application-specific concurrent processing ConfigParser library module connect ConnectRegistry constants, defining constructors 2nd use in debugging _ _contains_ _ containsAll containsAny ContentHandler subclasses subclassing text, extracting from XML documents convex hull of a set of 2D points, finding cookies Cookie and CookieInfo classes cookie information, accessing in Netscape finding on Internet Explorer _ _copy_ _ copy-and-paste coding copy.copy copying objects CORBA client and server implementation RPCs, contrasted with count (string object methods) counts method cPickle module 2nd binary vs. text format classes and instances, using on data serialization using dump vs. dumps Python version compatibility cPickle.dumps CreateMutex cStringIO module CSV (comma-separated values) files conversion to XML parsing curry function Curry, Haskell currying lexically nested scopes, and cursor cursor's description attribute, using for display formatting custom metaclasses cwd CXX |