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Added Regex rule for VISA strings with 6 parts #25

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Added Regex rule for VISA strings with 6 parts #25

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6 changes: 5 additions & 1 deletion usbtmc/usbtmc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -79,8 +79,11 @@ def parse_visa_resource_string(resource_string):
# USB::1234::5678::SERIAL::INSTR
# USB0::0x1234::0x5678::INSTR
# USB0::0x1234::0x5678::SERIAL::INSTR
# USB::1234::4536::SERIAL::0::INSTR
# USB0::0x1234::0x4536::SERIAL::0::INSTR

m = re.match('^(?P<prefix>(?P<type>USB)\d*)(::(?P<arg1>[^\s:]+))'
'(::(?P<arg2>[^\s:]+(\[.+\])?))(::(?P<arg3>[^\s:]+))?'
'(::(?P<arg2>[^\s:]+(\[.+\])?))(::(?P<arg3>[^\s:]+))?(::(?P<arg4>[^\s:]+))?'
'(::(?P<suffix>INSTR))$', resource_string, re.I)

if m is not None:
Expand All @@ -90,6 +93,7 @@ def parse_visa_resource_string(resource_string):
arg1=m.group('arg1'),
arg2=m.group('arg2'),
arg3=m.group('arg3'),
arg4=m.group('arg4'),
suffix=m.group('suffix')
)

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