我们从Python开源项目中，提取了以下19个代码示例，用于说明如何使用posix.fdopen()。
def test_FILE_only_for_FILE_arg(): if sys.platform == "win32": py.test.skip("testing FILE not implemented") # B_NOT_FILE = new_struct_type("struct NOT_FILE") B_NOT_FILEP = new_pointer_type(B_NOT_FILE) BChar = new_primitive_type("char") BCharP = new_pointer_type(BChar) BInt = new_primitive_type("int") BFunc = new_function_type((BCharP, B_NOT_FILEP), BInt, False) ll = find_and_load_library('c') fputs = ll.load_function(BFunc, "fputs") # import posix fdr, fdw = posix.pipe() fr1 = posix.fdopen(fdr, 'r') fw1 = posix.fdopen(fdw, 'w') # e = py.test.raises(TypeError, fputs, b"hello world\n", fw1) assert str(e.value).startswith( "initializer for ctype 'struct NOT_FILE *' must " "be a cdata pointer, not ")
def dup(self): import posix if not hasattr(posix, 'fdopen'): raise AttributeError, 'dup() method unavailable' return posix.fdopen(posix.dup(self._file_.fileno()), self._file_.mode)
def dup2(self, fd): import posix if not hasattr(posix, 'fdopen'): raise AttributeError, 'dup() method unavailable' posix.dup2(self._file_.fileno(), fd) return posix.fdopen(fd, self._file_.mode)
def test_FILE(): if sys.platform == "win32": py.test.skip("testing FILE not implemented") # BFILE = new_struct_type("struct _IO_FILE") BFILEP = new_pointer_type(BFILE) BChar = new_primitive_type("char") BCharP = new_pointer_type(BChar) BInt = new_primitive_type("int") BFunc = new_function_type((BCharP, BFILEP), BInt, False) BFunc2 = new_function_type((BFILEP, BCharP), BInt, True) ll = find_and_load_library('c') fputs = ll.load_function(BFunc, "fputs") fscanf = ll.load_function(BFunc2, "fscanf") # import posix fdr, fdw = posix.pipe() fr1 = posix.fdopen(fdr, 'rb', 256) fw1 = posix.fdopen(fdw, 'wb', 256) # fw1.write(b"X") res = fputs(b"hello world\n", fw1) assert res >= 0 fw1.flush() # should not be needed # p = newp(new_array_type(BCharP, 100), None) res = fscanf(fr1, b"%s\n", p) assert res == 1 assert string(p) == b"Xhello" fr1.close() fw1.close()
def test_FILE_object(): if sys.platform == "win32": py.test.skip("testing FILE not implemented") # BFILE = new_struct_type("FILE") BFILEP = new_pointer_type(BFILE) BChar = new_primitive_type("char") BCharP = new_pointer_type(BChar) BInt = new_primitive_type("int") BFunc = new_function_type((BCharP, BFILEP), BInt, False) BFunc2 = new_function_type((BFILEP,), BInt, False) ll = find_and_load_library('c') fputs = ll.load_function(BFunc, "fputs") fileno = ll.load_function(BFunc2, "fileno") # import posix fdr, fdw = posix.pipe() fw1 = posix.fdopen(fdw, 'wb', 256) # fw1p = cast(BFILEP, fw1) fw1.write(b"X") fw1.flush() res = fputs(b"hello\n", fw1p) assert res >= 0 res = fileno(fw1p) assert (res == fdw) == (sys.version_info < (3,)) fw1.close() # data = posix.read(fdr, 256) assert data == b"Xhello\n" posix.close(fdr)
