38 lines
1.5 KiB
Python
38 lines
1.5 KiB
Python
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# This is a "demo" of win32file - it used to be more a test case than a
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# demo, so has been moved to the test directory.
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# Please contribute your favourite simple little demo.
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import win32file, win32api, win32con
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import os
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# A very simple demo - note that this does no more than you can do with
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# builtin Python file objects, so for something as simple as this, you
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# generally *should* use builtin Python objects. Only use win32file etc
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# when you need win32 specific features not available in Python.
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def SimpleFileDemo():
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testName = os.path.join( win32api.GetTempPath(), "win32file_demo_test_file")
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if os.path.exists(testName): os.unlink(testName)
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# Open the file for writing.
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handle = win32file.CreateFile(testName,
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win32file.GENERIC_WRITE,
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0,
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None,
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win32con.CREATE_NEW,
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0,
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None)
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test_data = "Hello\0there".encode("ascii")
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win32file.WriteFile(handle, test_data)
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handle.Close()
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# Open it for reading.
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handle = win32file.CreateFile(testName, win32file.GENERIC_READ, 0, None, win32con.OPEN_EXISTING, 0, None)
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rc, data = win32file.ReadFile(handle, 1024)
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handle.Close()
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if data == test_data:
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print("Successfully wrote and read a file")
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else:
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raise Exception("Got different data back???")
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os.unlink(testName)
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if __name__=='__main__':
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SimpleFileDemo()
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