Issue 126 in dpkt: cannot install

[dp...@googlecode.com]

Status: New
Owner: ----
Labels: Type-Defect Priority-Medium

New issue 126 by f4b10r3...@gmail.com: cannot install
http://code.google.com/p/dpkt/issues/detail?id=126

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

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[dp...@googlecode.com]

Comment #1 on issue 126 by f4b10r3...@gmail.com: cannot install
http://code.google.com/p/dpkt/issues/detail?id=126

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'

[dp...@googlecode.com]

Comment #2 on issue 126 by lan4...@gmail.com: cannot install
https://code.google.com/p/dpkt/issues/detail?id=126

I see the same issue on Linux even with the latest PyVISA 1.6.

[dp...@googlecode.com]

Comment #3 on issue 126 by lan4...@gmail.com: cannot install
https://code.google.com/p/dpkt/issues/detail?id=126

With the patches on "Issue 34: dynamic module loading too careless", the
problem fixed.