diff options
Diffstat (limited to 'Doc/tut/tut.tex')
-rw-r--r-- | Doc/tut/tut.tex | 50 |
1 files changed, 37 insertions, 13 deletions
diff --git a/Doc/tut/tut.tex b/Doc/tut/tut.tex index f02b3ff..03dd267 100644 --- a/Doc/tut/tut.tex +++ b/Doc/tut/tut.tex @@ -2237,7 +2237,13 @@ variable \code{sys.path} which is initialized from the directory containing the input script (or the current directory), \envvar{PYTHONPATH} and the installation-dependent default. This allows Python programs that know what they're doing to modify or replace the -module search path. See the section on Standard Modules later. +module search path. Note that because the directory containing the +script being run is on the search path, it is important that the +script not have the same name as a standard module, or Python will +attempt to load the script as a module when that module is imported. +This will generally be an error. See section~\ref{standardModules}, +``Standard Modules.'' for more information. + \subsection{``Compiled'' Python files} @@ -2363,9 +2369,15 @@ a module defines. It returns a sorted list of strings: >>> dir(fibo) ['__name__', 'fib', 'fib2'] >>> dir(sys) -['__name__', 'argv', 'builtin_module_names', 'copyright', 'exit', -'maxint', 'modules', 'path', 'ps1', 'ps2', 'setprofile', 'settrace', -'stderr', 'stdin', 'stdout', 'version'] +['__displayhook__', '__doc__', '__excepthook__', '__name__', '__stderr__', + '__stdin__', '__stdout__', '_getframe', 'argv', 'builtin_module_names', + 'byteorder', 'copyright', 'displayhook', 'exc_info', 'exc_type', + 'excepthook', 'exec_prefix', 'executable', 'exit', 'getdefaultencoding', + 'getdlopenflags', 'getrecursionlimit', 'getrefcount', 'hexversion', + 'maxint', 'maxunicode', 'modules', 'path', 'platform', 'prefix', 'ps1', + 'ps2', 'setcheckinterval', 'setdlopenflags', 'setprofile', + 'setrecursionlimit', 'settrace', 'stderr', 'stdin', 'stdout', 'version', + 'version_info', 'warnoptions'] \end{verbatim} Without arguments, \function{dir()} lists the names you have defined @@ -2388,15 +2400,27 @@ standard module \module{__builtin__}\refbimodindex{__builtin__}: \begin{verbatim} >>> import __builtin__ >>> dir(__builtin__) -['AccessError', 'AttributeError', 'ConflictError', 'EOFError', 'IOError', -'ImportError', 'IndexError', 'KeyError', 'KeyboardInterrupt', -'MemoryError', 'NameError', 'None', 'OverflowError', 'RuntimeError', -'SyntaxError', 'SystemError', 'SystemExit', 'TypeError', 'ValueError', -'ZeroDivisionError', '__name__', 'abs', 'apply', 'chr', 'cmp', 'coerce', -'compile', 'dir', 'divmod', 'eval', 'execfile', 'filter', 'float', -'getattr', 'hasattr', 'hash', 'hex', 'id', 'input', 'int', 'len', 'long', -'map', 'max', 'min', 'oct', 'open', 'ord', 'pow', 'range', 'raw_input', -'reduce', 'reload', 'repr', 'round', 'setattr', 'str', 'type', 'xrange'] +['ArithmeticError', 'AssertionError', 'AttributeError', + 'DeprecationWarning', 'EOFError', 'Ellipsis', 'EnvironmentError', + 'Exception', 'FloatingPointError', 'IOError', 'ImportError', + 'IndentationError', 'IndexError', 'KeyError', 'KeyboardInterrupt', + 'LookupError', 'MemoryError', 'NameError', 'None', 'NotImplemented', + 'NotImplementedError', 'OSError', 'OverflowError', 'OverflowWarning', + 'ReferenceError', 'RuntimeError', 'RuntimeWarning', 'StandardError', + 'StopIteration', 'SyntaxError', 'SyntaxWarning', 'SystemError', + 'SystemExit', 'TabError', 'TypeError', 'UnboundLocalError', + 'UnicodeError', 'UserWarning', 'ValueError', 'Warning', + 'ZeroDivisionError', '_', '__debug__', '__doc__', '__import__', + '__name__', 'abs', 'apply', 'buffer', 'callable', 'chr', 'classmethod', + 'cmp', 'coerce', 'compile', 'complex', 'copyright', 'credits', 'delattr', + 'dict', 'dir', 'divmod', 'eval', 'execfile', 'exit', 'file', 'filter', + 'float', 'getattr', 'globals', 'hasattr', 'hash', 'help', 'hex', 'id', + 'input', 'int', 'intern', 'isinstance', 'issubclass', 'iter', 'len', + 'license', 'list', 'locals', 'long', 'map', 'max', 'min', 'object', + 'oct', 'open', 'ord', 'pow', 'property', 'quit', 'range', 'raw_input', + 'reduce', 'reload', 'repr', 'round', 'setattr', 'slice', 'staticmethod', + 'str', 'super', 'tuple', 'type', 'unichr', 'unicode', 'vars', 'xrange', + 'zip'] \end{verbatim} |