pyabc: reorganize supporting python scripts

scripts/getch.py

@@ -1,37 +0,0 @@
-
-class _Getch:
-    """Gets a single character from standard input.  Does not echo to the screen."""
-    def __init__(self):
-        try:
-            self.impl = _GetchWindows()
-        except ImportError:
-            self.impl = _GetchUnix()
-
-    def __call__(self): return self.impl()
-
-
-class _GetchUnix:
-    def __init__(self):
-        import tty, sys
-
-    def __call__(self):
-        import sys, tty, termios
-        fd = sys.stdin.fileno()
-        old_settings = termios.tcgetattr(fd)
-        try:
-            tty.setraw(sys.stdin.fileno())
-            ch = sys.stdin.read(1)
-        finally:
-            termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
-        return ch
-
-
-class _GetchWindows:
-    def __init__(self):
-        import msvcrt
-
-    def __call__(self):
-        import msvcrt
-        return msvcrt.getch()
-
-getch = _Getch()

scripts/redirect.py

@@ -1,94 +0,0 @@
-"""
-
-A simple context manager for redirecting streams in Python. 
-The streams are redirected at the the C runtime level so that the output of C extensions
-that use stdio will also be redirected.
-
-null_file : a stream representing the null device (e.g. /dev/null on Unix)
-redirect: a context manager for redirecting streams
-
-Author: Baruch Sterin ([email protected])
-
-"""
-
-import os
-import sys
-
-from contextlib import contextmanager
-
-null_file = open( os.devnull, "w" )
-
-@contextmanager
-def _dup( f ):
-    fd = os.dup( f.fileno() )
-    yield fd
-    os.close(fd)
-    
-@contextmanager
-def redirect(dst = null_file, src = sys.stdout):
-    
-    """
-    Redirect the src stream into dst.
-    
-    Example:
-        with redirect( open("somefile.txt", sys.stdout ) ):
-            do some stuff ...        
-    """
-
-    if src.fileno() == dst.fileno():
-        yield 
-        return
-        
-    with _dup( src ) as fd_dup_src:
-
-        dst.flush()
-        
-        src.flush()
-        os.close( src.fileno() )
-        os.dup2( dst.fileno(), src.fileno() )
-
-        yield
-
-        src.flush()
-        os.close( src.fileno() )
-        os.dup2( fd_dup_src, src.fileno() ) 
-
-def start_redirect(dst = null_file, src = sys.stdout):
-    
-    """
-    Start redirection of src stream into dst. Return the duplicated file handle of the source.
-    
-    Example:
-        fd = start_redirect( open("somefile.txt"), sys.stdout )
-            ... do some stuff ...        
-        end_redirect(sys.stdout, fd)
-    """
-
-    if src.fileno() == dst.fileno():
-        return None
-        
-    fd_dup_src = os.dup( src.fileno() )
-    
-    dst.flush()
-    src.flush()
-
-    os.close( src.fileno() )
-    os.dup2( dst.fileno(), src.fileno() )
-    
-    return fd_dup_src
-
-def end_redirect(src, fd_dup_src):
-    
-    """
-    End redirection of stream src.Redirect the src stream into dst. src is the source stream and fd_dup_src is the value returned by
-    start_redirect()
-    """
-
-    if fd_dup_src is None:
-        return
-
-    src.flush()
-    os.close( src.fileno() )
-    os.dup2( fd_dup_src, src.fileno() ) 
-    
-    os.close(fd_dup_src)