UNIX style fork/execve/wait are not fully compatible with thread
support on BeOS. For Python, that means neither fork() from import
nor import from a fork work reliably. os._execvpe() does the latter,
importing tempfile to set up a tantalizing target for hackers. This
patch replaces both the tempfile name generation and the exec that
uses it, in case we're on BeOS. Need this for
setup:distutils:execvp(); symptoms are random crashes and internal
BeOS error messages about th name, in case we're on BeOS. It's an
issue because setup.py + distutils calls os.execvp(); symptoms are
random crashes during setup.py, and internal BeOS error messages
about thread IDs.
these can be missing on some (all?) Irix and Tru64 versions.
Protect the CRTSCTS value with a cast; this can be a larger value on
Solaris/SPARC.
This should fix SF tracker items #405092, #405350, and #405355.
as long as the filename also doesn't end in a suffix that indicates
a binary file (according to the flags in imp.get_suffixes()).
Shrink try...except clauses and replace some of them with explicit checks.
Made sure that the warnings issued by symtable_check_unoptimized()
(about import * and exec) contain the proper filename and line number,
and are transformed into SyntaxError exceptions with -Werror.
(Also remove warning about module-level global decl, because we can't
distinguish from code passed to exec.)
Define PyCompilerFlags type contains a single element,
cf_nested_scopes, that is true if a nested scopes future statement has
been entered at the interactive prompt.
New API functions:
PyNode_CompileFlags()
PyRun_InteractiveOneFlags()
-- same as their non Flags counterparts except that the take an
optional PyCompilerFlags pointer
compile.c: In jcompile() use PyCompilerFlags argument. If
cf_nested_scopes is true, compile code with nested scopes. If it
is false, but the code has a valid future nested scopes statement,
set it to true.
pythonrun.c: Create a new PyCompilerFlags object in
PyRun_InteractiveLoop() and thread it through to
PyRun_InteractiveOneFlags().
defined and export both names.
Solaris also does not define CBAUDEX; it is not clear that CBAUDEXT
(which is defined there) is the same thing, so we only protect against
the lack of CBAUDEX.
Reported by Greg V. Wilson.