70 lines
2.4 KiB
Python
70 lines
2.4 KiB
Python
# Copyright (c) 2020 Andika Wasisto
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import win32com.client
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class QngWrapper:
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def __init__(self):
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self.qng = win32com.client.Dispatch("QWQNG.QNG")
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def randint32(self):
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try:
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return self.qng.RandInt32
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except:
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self.qng.Reset()
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return self.qng.RandInt32
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def randuniform(self):
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try:
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return self.qng.RandUniform
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except:
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self.qng.Reset()
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return self.qng.RandUniform
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def randnormal(self):
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try:
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return self.qng.RandNormal
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except:
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self.qng.Reset()
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return self.qng.RandNormal
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def randbytes(self, length):
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try:
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return self._randbytes_arbitrary_length(length)
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except:
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self.qng.Reset()
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return self._randbytes_arbitrary_length(length)
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def _randbytes_arbitrary_length(self, length):
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if length <= 8192:
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return bytes(self.qng.RandBytes(length))
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else:
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data = bytearray()
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for x in range(length // 8192):
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data.extend(bytearray(self.qng.RandBytes(8192)))
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bytes_needed = length % 8192
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if bytes_needed != 0:
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data.extend(bytearray(self.qng.RandBytes(bytes_needed)))
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return bytes(data)
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def clear(self):
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self.qng.Clear()
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