"""
pypython.py

Save this in your pypy root directory

Allows you to run files via pypy.
This should eventually duplicate calling 'python'
from the command line exactly.
"""

# we figure out what the parent folder is here
# and add it to pythonpath.  That way we can
# store the pypython heirarchy outside of
# CPython's PYTHONPATH.
import sys, os
if '__file__' in dir():
    folder = os.path.split(__file__)[0]
    folder = os.path.split(folder)[0]
    if folder not in sys.path:
        sys.path.append(folder)
else:
    pass # better be in pythonpath already

from pypy.interpreter import executioncontext
from pypy.interpreter import pyframe
from pypy.interpreter import baseobjspace
import pywin.debugger

class bootstrap:
    def __init__(self, objSpaceType = 'trivial'):
        classname = objSpaceType.capitalize() + "ObjSpace"
        module = __import__('pypy.objspace.%s' % objSpaceType, globals(), locals(),[classname])
        ObjSpace = getattr(module, classname)
        self.space = ObjSpace()
        self.ec = executioncontext.ExecutionContext(self.space)
        self.w_globals = self.ec.make_standard_w_globals()
        self.space.setitem(self.w_globals, self.space.wrap("__name__"), self.space.wrap("__main__"))

    def execString(self, string):
        code = compile(string, "<input>", "exec")
        frame = pyframe.PyFrame(self.space, code, self.w_globals, self.w_globals)
        self.ec.eval_frame(frame)

    def execFile(self, filename):
        f = file(filename)
        self.execString(f.read())
        
if __name__ == "__main__":
    if len(sys.argv) <= 2:
        x = bootstrap()
        if len(sys.argv) == 1:
            x.execString("print 'foo'")
            x.execString("exec 'print 1' in {},{}")
            x.execString("import code")
            x.execString("ic = code.InteractiveConsole()")
            x.execString("ic.interact()")
        else:
            x.execFile(sys.argv[1])
    else:
        print "USAGE: pypython.py script"