On Thu, 21 Jan 2016 07:52:17 -0700, Ian Kelly wrote:
>> I have no idea what was imported before. I just want to import
>> hexdump(). Unfortunately, this does not work:
>>
>> from utilities import hexdump
>>
>> ImportError: cannot import name hexdump
>
> What is utilities? Is it a module on your sys.path?
Yes.
> What makes you think this is caused by circular dependencies? It could
> be, but you really haven't given us enough information about what
> utilities is to diagnose that.
Well, I thought that that's what causes these import problems. I just
wish that python gave me more information, like the tree of imports that's
causing the problem.
>> would you explain to me why I get this:
>>
>> (PDB)hexdump(msg)
>> *** NameError: name 'hexdump' is not defined
>
> Probably because the name 'hexdump' is not defined.
If indeed it's not defined, then I wouldn't think there'd be a
problem importing the module that defines it.
>> P.S. can I get a list of all the loaded symbols and/or modules?
>
> What do you mean by "loaded"? Bound to a name in the main module? In the
> globals of the current scope? In any module? Try the "dir" or "vars"
> built-in.
>
> You can get a view of all the *cached* modules by looking in the
> sys.modules dict.
as in this?
(PDB) pp dict (sys.modules)
Okay, quite good. I have this (among others):
'hexdump': <module 'hexdump' from '/home/user/hexdump.pyc'>,
'int.hexdump': None,
But I suspect the first, at any rate, was loaded because of this in
my ~/.pdbrc:
from hexdump import hexdump
which wouldn't interfere when running without the debugger (that module
in my sys.path but nowhere near my project)
I have this in my project:
int/__init__.py
But:
$ ls int/hexdump*
ls: cannot access int/hexdump*: No such file or directory
So I don't really understand "int.hexdump".
I have these function definitions:
codec/objects.py:47:def hexdump (s, l = None):
int/struct_phy.py:26:def hexdump (s, l = None):
both in modules.
It fails to load:
from struct_phy import hexdump
or:
from int.struct_phy import hexdump
ImportError: cannot import name hexdump
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