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artiq_rpctool: document numpy availability in RPC call cmd line arguments
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@ -3,7 +3,7 @@
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import argparse
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import textwrap
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import sys
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import numpy as np
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import numpy as np # Needed to use numpy in RPC call arguments on cmd line
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from artiq.protocols.pc_rpc import Client
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@ -61,10 +61,11 @@ in order to call remote functions of an ARTIQ controller.
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$ artiq_rpctool.py hostname port call -t target f x1 x2 ... xN
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You can use Python syntax to compute arguments as they will be passed
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to the ``eval()`` primitive. But beware to use quotes to separate
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arguments which use spaces::
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to the ``eval()`` primitive. The numpy package is available in the namespace
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as ``np``. Beware to use quotes to separate arguments which use spaces::
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$ artiq_rpctool.py hostname port call -t target f '3 * 4 + 2' True '[1, 2]'
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$ artiq_rpctool.py ::1 3256 call load_sample_values 'np.array([1.0, 2.0], dtype=float)'
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If the called function has a return value, it will get printed to
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the standard output if the value is not None like in the standard
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