Author: Armin Rigo <[email protected]>
Branch: release-2.2.x
Changeset: r67970:4a3ba24a561a
Date: 2013-11-12 12:42 +0100
http://bitbucket.org/pypy/pypy/changeset/4a3ba24a561a/
Log: Add os.startfile() using cffi.
diff --git a/pypy/module/posix/__init__.py b/pypy/module/posix/__init__.py
--- a/pypy/module/posix/__init__.py
+++ b/pypy/module/posix/__init__.py
@@ -27,6 +27,7 @@
'popen2': 'app_posix.popen2',
'popen3': 'app_posix.popen3',
'popen4': 'app_posix.popen4',
+ 'startfile': 'app_startfile.startfile',
})
if hasattr(os, 'wait'):
diff --git a/pypy/module/posix/app_startfile.py
b/pypy/module/posix/app_startfile.py
new file mode 100644
--- /dev/null
+++ b/pypy/module/posix/app_startfile.py
@@ -0,0 +1,44 @@
+
+class CFFIWrapper(object):
+ def __init__(self):
+ import cffi
+ ffi = cffi.FFI()
+ ffi.cdef("""
+ HINSTANCE ShellExecuteA(HWND, LPCSTR, LPCSTR, LPCSTR, LPCSTR, INT);
+ HINSTANCE ShellExecuteW(HWND, LPCWSTR, LPCWSTR, LPCWSTR, LPCWSTR, INT);
+ DWORD GetLastError(void);
+ """)
+ self.NULL = ffi.NULL
+ self.cast = ffi.cast
+ self.libK = ffi.dlopen("Kernel32.dll")
+ self.libS = ffi.dlopen("Shell32.dll")
+ self.SW_SHOWNORMAL = 1
+
+_cffi_wrapper = None
+
+
+def startfile(filepath, operation=None):
+ global _cffi_wrapper
+ if _cffi_wrapper is None:
+ _cffi_wrapper = CFFIWrapper()
+ w = _cffi_wrapper
+ #
+ if operation is None:
+ operation = w.NULL
+ if isinstance(filepath, str):
+ if isinstance(operation, unicode):
+ operation = operation.encode("ascii")
+ rc = w.libS.ShellExecuteA(w.NULL, operation, filepath,
+ w.NULL, w.NULL, w.SW_SHOWNORMAL)
+ elif isinstance(filepath, unicode):
+ if isinstance(operation, str):
+ operation = operation.decode("ascii")
+ rc = w.libS.ShellExecuteW(w.NULL, operation, filepath,
+ w.NULL, w.NULL, w.SW_SHOWNORMAL)
+ else:
+ raise TypeError("argument 1 must be str or unicode")
+ rc = int(w.cast("uintptr_t", rc))
+ if rc <= 32:
+ # sorry, no way to get the error message in less than one page of code
+ code = w.libK.GetLastError()
+ raise WindowsError(code, "Error %s" % code, filepath)
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