diff options
| -rw-r--r-- | Doc/ref/ref3.tex | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/Doc/ref/ref3.tex b/Doc/ref/ref3.tex index 3dc2a16..d355b69 100644 --- a/Doc/ref/ref3.tex +++ b/Doc/ref/ref3.tex @@ -730,8 +730,8 @@ number of local variables used by the function (including arguments); variables (starting with the argument names); \member{co_cellvars} is a tuple containing the names of local variables that are referenced by nested functions; \member{co_freevars} is a tuple containing the names -of local variables that are neither local nor global; \member{co_code} -is a string representing the sequence of bytecode instructions; +of free variables; \member{co_code} is a string representing the +sequence of bytecode instructions; \member{co_consts} is a tuple containing the literals used by the bytecode; \member{co_names} is a tuple containing the names used by the bytecode; \member{co_filename} is the filename from which the code @@ -742,10 +742,6 @@ the interpreter); \member{co_stacksize} is the required stack size (including local variables); \member{co_flags} is an integer encoding a number of flags for the interpreter. -The \member{co_cellvars} and \member{co_freevars} are present in -Python 2.1 when nested scopes are not enabled, but the code itself -does not use or create cells. - \withsubitem{(code object attribute)}{ \ttindex{co_argcount} \ttindex{co_code} @@ -766,10 +762,19 @@ The following flag bits are defined for \member{co_flags}: bit \code{0x04} is set if the function uses the \samp{*arguments} syntax to accept an arbitrary number of positional arguments; bit \code{0x08} is set if the function uses the \samp{**keywords} syntax -to accept arbitrary keyword arguments; other bits are used internally -or reserved for future use; bit \code{0x10} is set if the function was -compiled with nested scopes enabled. If\index{documentation string} a -code object represents a function, the first item in +to accept arbitrary keyword arguments; bit \code{0x20} is set if the +function is a \obindex{generator}. + +Future feature declarations (\samp{from __future__ import division}) +also use bits in \member{co_flags} to indicate whether a code object +was compiled with a particular feature enabled: bit \code{0x2000} is +set if the function was compiled with future division enabled; bits +\code{0x10} and \code{0x1000} were used in earlier versions of Python. + +Other bits in \member{co_flags} are reserved for internal use. + +If\index{documentation string} a code object represents a function, +the first item in \member{co_consts} is the documentation string of the function, or \code{None} if undefined. |