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cannot install #126

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
on windows 7 64, python 2.7
I try installing 1.7 or 1.8 via python setup.py install
and get

Traceback (most recent call last):
  File "setup.py", line 4, in <module>
    import dpkt
  File "c:\Users\fabio\Downloads\dpkt-1.7\dpkt\__init__.py", line 24, in <module>
    import ethernet
  File "c:\Users\fabio\Downloads\dpkt-1.7\dpkt\ethernet.py", line 128, in <module>
    __load_types()
  File "c:\Users\fabio\Downloads\dpkt-1.7\dpkt\ethernet.py", line 122, in __load_types
    mod = __import__(modname, g)
  File "c:\Users\fabio\Downloads\dpkt-1.7\dpkt\ip6.py", line 95, in <module>
    import ip
  File "c:\Users\fabio\Downloads\dpkt-1.7\dpkt\ip.py", line 255, in <module>
    __load_protos()
  File "c:\Users\fabio\Downloads\dpkt-1.7\dpkt\ip.py", line 249, in __load_protos
    mod = __import__(name, g)
  File "C:\Python27\lib\site-packages\visa.py", line 1, in <module>
    from pyvisa.visa import *
  File "C:\Python27\lib\site-packages\pyvisa\visa.py", line 231, in <module>
    resource_manager = ResourceManager()
  File "C:\Python27\lib\site-packages\pyvisa\vpp43.py", line 105, in __new__
    it.init(*args, **kwds)
  File "C:\Python27\lib\site-packages\pyvisa\visa.py", line 227, in init
    self.session = self.vi = vpp43.open_default_resource_manager()
  File "C:\Python27\lib\site-packages\pyvisa\vpp43.py", line 758, in open_default_resource_manager
    visa_library().viOpenDefaultRM(byref(session))
  File "C:\Python27\lib\site-packages\pyvisa\vpp43.py", line 175, in __call__
    self.load_library()
  File "C:\Python27\lib\site-packages\pyvisa\vpp43.py", line 141, in load_library
    self.__lib       = windll.visa32
  File "C:\Python27\lib\ctypes\__init__.py", line 435, in __getattr__
    dll = self._dlltype(name)
  File "C:\Python27\lib\ctypes\__init__.py", line 365, in __init__
    self._handle = _dlopen(self._name, mode)
WindowsError: [Error 126] The specified module could not be found

Original issue reported on code.google.com by f4b10r3...@gmail.com on 4 Jul 2014 at 1:10

GoogleCodeExporter commented 9 years ago 
after upgrading pyvisa from 1.4 to 1.5 

Traceback (most recent call last):
  File "setup.py", line 4, in <module>
    import dpkt
  File "c:\Users\fabio\Downloads\dpkt-1.8\dpkt\__init__.py", line 24, in <module>
    import ethernet
  File "c:\Users\fabio\Downloads\dpkt-1.8\dpkt\ethernet.py", line 128, in <module>
    __load_types()
  File "c:\Users\fabio\Downloads\dpkt-1.8\dpkt\ethernet.py", line 122, in __load_types
    mod = __import__(modname, g)
  File "c:\Users\fabio\Downloads\dpkt-1.8\dpkt\ip6.py", line 101, in <module>
    import ip
  File "c:\Users\fabio\Downloads\dpkt-1.8\dpkt\ip.py", line 258, in <module>
    __load_protos()
  File "c:\Users\fabio\Downloads\dpkt-1.8\dpkt\ip.py", line 255, in __load_protos
    IP.set_proto(v, getattr(mod, name.upper()))
AttributeError: 'module' object has no attribute 'VISA'

Original comment by f4b10r3...@gmail.com on 4 Jul 2014 at 2:42

GoogleCodeExporter commented 9 years ago 
I see the same issue on Linux even with the latest PyVISA 1.6.

Original comment by lan4...@gmail.com on 31 Dec 2014 at 9:45

GoogleCodeExporter commented 9 years ago 
With the patches on "Issue 34:  dynamic module loading too careless", the 
problem fixed.

Original comment by lan4...@gmail.com on 31 Dec 2014 at 10:10