[IPython-dev] Problems with physics profile

[Fernando Perez]

[ Forgive the top-posting, but this is so old that I want to leave the
full context in...]

Duane, did you ever resolve this issue?  I see no replies to you
on-list, so I'd like to know if you sorted out the problem. It's
working fine on my linux box, but I could set things up under VMWare
to test this if you're still stuck.

Cheers,

f

On Apr 11, 2007 10:40 AM, Duane Kaufman <dkaufman at imago.com> wrote:
> Hi,
>
> I am trying to get the Physics profile working under Windows, but I get
> an error when starting (see below).
> I am running Ipython 0.8.0 and Scientific 2.6. Any hints as to what to
> look into?
>
> Thanks,
> Duane
>
> Error Follows:
>
>
> C:\Console2>C:\Python24\python.exe C:\Python24\scripts\ipython-script.py
> -pylab
> -p physics
> *** Simplified input for physical quantities enabled.
> ------------------------------------------------------------------------
> ---
> exceptions.TypeError                                 Traceback (most
> recent call
>  last)
>
> C:\Console2\<string>
>
> c:\python24\lib\site-packages\ipython-0.8.0-py2.4.egg\IPython\Extensions
> \Physica
> lQInteractive.py
>      20 __license__ = Release.license
>      21
> ---> 22 from Scientific.Physics.PhysicalQuantities import
> PhysicalQuantity
>      23
>      24 # This code can be set up to work with Numeric or with math for
> providin
> g the
>
> c:\python24\lib\site-packages\ScientificPython-2.6-py2.4-win32.egg\Scien
> tific\Ph
> ysics\PhysicalQuantities.py
>     591
>     592 _addUnit('Hz', '1/s')                # Hertz
> --> 593 _addUnit('N', 'm*kg/s**2')           # Newton
>     594 _addUnit('Pa', 'N/m**2')             # Pascal
>     595 _addUnit('J', 'N*m')                 # Joule
>
> c:\python24\lib\site-packages\ScientificPython-2.6-py2.4-win32.egg\Scien
> tific\Ph
> ysics\PhysicalQuantities.py in _addUnit(name, unit)
>     573         raise KeyError('Unit ' + name + ' already defined')
>     574     if type(unit) == type(''):
> --> 575         unit = eval(unit, _unit_table)
>     576         for cruft in ['__builtins__', '__args__']:
>     577             try: del _unit_table[cruft]
>
> C:\Console2\<string>
>
> c:\python24\lib\site-packages\ScientificPython-2.6-py2.4-win32.egg\Scien
> tific\Ph
> ysics\PhysicalQuantities.py in __pow__(self, other)
>     367             raise TypeError("cannot exponentiate units with
> non-zero off
> set")
>     368         if type(other) == type(0):
> --> 369             return PhysicalUnit(other*self.names,
> pow(self.factor, other
> ),
>     370                                 map(lambda x,p=other: x*p,
> self.powers))
>
>     371         if type(other) == type(0.):
>
> TypeError: unsupported operand type(s) for *: 'int' and 'NumberDict'
> WARNING: Loading of IPython.Extensions.PhysicalQInteractive failed.
>
> ------------------------------------------------------------------------
> ---
> exceptions.NameError                                 Traceback (most
> recent call
>  last)
>
> C:\Console2\<string>
>
> NameError: name 'PhysicalQuantityInteractive' is not defined
> WARNING: Failure executing code: 'q = PhysicalQuantityInteractive'
> ------------------------------------------------------------------------
> ---
> exceptions.NameError                                 Traceback (most
> recent call
>  last)
>
> C:\Console2\<string>
>
> NameError: name 'PhysicalQuantityInteractive' is not defined
> WARNING: Failure executing code: "g = PhysicalQuantityInteractive('9.8
> m/s**2')"
>
> *** q is an alias for PhysicalQuantityInteractive
> *** g = 9.8 m/s^2 has been defined
> *** rad = pi/180  has been defined
> Python 2.4.4 (#71, Oct 18 2006, 08:34:43) [MSC v.1310 32 bit (Intel)]
> Type "copyright", "credits" or "license" for more information.
>
> IPython 0.8.0 -- An enhanced Interactive Python.
> ?       -> Introduction to IPython's features.
> %magic  -> Information about IPython's 'magic' % functions.
> help    -> Python's own help system.
> object? -> Details about 'object'. ?object also works, ?? prints more.
>
> IPython profile: physics
>
>   Welcome to pylab, a matplotlib-based Python environment.
>   For more information, type 'help(pylab)'.
>
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