[pypy-svn] r29694 - pypy/dist/pypy/module/rctime

[rhymes at codespeak.net]

Author: rhymes
Date: Thu Jul  6 18:38:21 2006
New Revision: 29694

Added:
   pypy/dist/pypy/module/rctime/
   pypy/dist/pypy/module/rctime/__init__.py
   pypy/dist/pypy/module/rctime/__init__.pyc   (contents, props changed)
   pypy/dist/pypy/module/rctime/app_time.py
   pypy/dist/pypy/module/rctime/app_time.pyc   (contents, props changed)
   pypy/dist/pypy/module/rctime/interp_time.py
   pypy/dist/pypy/module/rctime/interp_time.pyc   (contents, props changed)
Log:
(rhymes, arre, brian): initial implementation of time module on rctypes. accept2dyear and time.time()


Added: pypy/dist/pypy/module/rctime/__init__.py
==============================================================================
--- (empty file)
+++ pypy/dist/pypy/module/rctime/__init__.py	Thu Jul  6 18:38:21 2006
@@ -0,0 +1,22 @@
+
+from pypy.interpreter.mixedmodule import MixedModule
+
+class Module(MixedModule):
+    interpleveldefs = {
+        'accept2dyear'      : 'interp_time.accept2dyear',
+        'time': 'interp_time.time',
+    }
+
+    # def init(self, space):
+#         from pypy.module.rctime import interp_time
+#         interp_time.init_module(space)
+#         
+    def buildloaders(cls):
+        from pypy.module.rctime import interp_time
+        Module.interpleveldefs["accept2dyear"] = 'space.wrap(%r)' % interp_time._init_accept2dyear()
+        super(Module, cls).buildloaders()
+    buildloaders = classmethod(buildloaders)
+
+    appleveldefs = {
+        # 'floattime'    : 'app_time._floattime'
+    }

Added: pypy/dist/pypy/module/rctime/__init__.pyc
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Added: pypy/dist/pypy/module/rctime/app_time.py
==============================================================================

Added: pypy/dist/pypy/module/rctime/app_time.pyc
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Added: pypy/dist/pypy/module/rctime/interp_time.py
==============================================================================
--- (empty file)
+++ pypy/dist/pypy/module/rctime/interp_time.py	Thu Jul  6 18:38:21 2006
@@ -0,0 +1,73 @@
+from pypy.rpython.rctypes.tool import ctypes_platform
+from pypy.rpython.rctypes.tool.libc import libc
+import pypy.rpython.rctypes.implementation # this defines rctypes magic
+from pypy.rpython.rctypes.aerrno import geterrno
+from pypy.interpreter.error import OperationError
+from ctypes import *
+import os
+
+class CConfig:
+    _header_ = "#include <sys/time.h>"
+    timeval = ctypes_platform.Struct("struct timeval", [("tv_sec", c_int), ("tv_usec", c_int)])
+
+class cConfig:
+    pass
+cConfig.__dict__.update(ctypes_platform.configure(CConfig))
+cConfig.timeval.__name__ = "ctimeval"
+
+libc.strerror.restype = c_char_p
+
+has_gettimeofday = False
+if hasattr(libc, "gettimeofday"):
+    libc.gettimeofday.argtypes = [c_void_p, c_void_p]
+    libc.gettimeofday.restype = c_int
+    has_gettimeofday = True
+    
+
+# class _timeval(Structure):
+#     _fields_ = [("tv_sec", c_long),
+#                 ("tv_usec", c_long)]
+
+def _init_accept2dyear():
+    return (1, 0)[bool(os.getenv("PYTHONY2K"))]
+    
+
+def _get_error_msg():
+    errno = geterrno()
+    return libc.strerror(errno)
+
+def _floattime():
+    """ _floattime() -> computes time since the Epoch for various platforms.
+
+    Since on some system gettimeofday may fail we fall back on ftime
+    or time.
+
+    gettimeofday() has a resolution in microseconds
+    ftime() has a resolution in milliseconds and it never fails
+    time() has a resolution in seconds
+    """
+    
+    # if _MS_WINDOWS:
+    #     return libc.time(None)
+    # 
+    if has_gettimeofday:
+        t = cConfig.timeval()
+        if libc.gettimeofday(byref(t), c_void_p(None)) == 0:
+            return float(t.tv_sec) + t.tv_usec * 0.000001
+    return 0.0
+    
+
+    # elif hasattr(_libc, "ftime"):
+    #     t = _timeb()
+    #     _libc.ftime.argtypes = [c_void_p]
+    #     _libc.ftime(byref(t))
+    #     return float(t.time) + float(t.millitm) * 0.001
+    # elif hasattr(_libc, "time"):
+    #     t = c_long()
+    #     _libc.time.argtypes = [c_void_p]
+    #     _libc.time(byref(t))
+    #     return t.value
+
+def time(space):
+    secs = _floattime()
+    return space.wrap(secs)

Added: pypy/dist/pypy/module/rctime/interp_time.pyc
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