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Subject: Re: Generator problem: parent class not seen
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From: Russell Owen <rowen@uw.edu>
In-Reply-To: <CAMZYqRSD1OEjLNTYLMQ2ZS6cXK1r7H9yDHBf0GzFpjE6jd4PqA@mail.gmail.com>
Date: Wed, 1 Feb 2012 14:50:19 -0800
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To: Chris Rebert <crebert@ucsd.edu>
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On Feb 1, 2012, at 2:34 PM, Chris Rebert wrote:

> On Wed, Feb 1, 2012 at 1:00 PM, Russell E. Owen <rowen@uw.edu> wrote:
>> I have an odd and very intermittent problem in Python script.
>> Occasionally it fails with this error:
>>=20
>> Traceback (most recent call last):
>>  File
>> =
"/Applications/APO/TTUI.app/Contents/Resources/lib/python2.7/TUI/Base/Bas
>> eFocusScript.py", line 884, in run
>>  File
>> =
"/Applications/APO/TTUI.app/Contents/Resources/lib/python2.7/TUI/Base/Bas
>> eFocusScript.py", line 1690, in initAll
>> TypeError: unbound method initAll() must be called with =
BaseFocusScript
>> instance as first argument (got ScriptClass instance instead)
> <snip>
>> The code looks like this:
>>=20
>>    def run(self, sr):
>>        try:
>>            self.initAll()
> <snip>
>> I am puzzled why Python thinks the class type is wrong, given the =
output
>> of inspect.getclasstree. Any ideas on what might be wrong and how to
>> track it down (and why it would be so intermittent)?
>=20
> What's the offending line of initAll() [#1690 in BaseFocusScript.py]
> look like? The lines preceding it would also be helpful for context.

Here you go. The offending line #169 is marked with ***

-- Russell

class ImagerFocusScript(BaseFocusScript):
   """..."""
    def __init__(self,
        sr,
        instName,
        imageViewerTLName =3D None,
        defRadius =3D 5.0,
        defBinFactor =3D 1,
        maxFindAmpl =3D None,
        doWindow =3D False,
        windowOrigin =3D 1,
        windowIsInclusive =3D True,
        doZeroOverscan =3D False,
        helpURL =3D None,
        debug =3D False,
    ):
    ...
        BaseFocusScript.__init__(self,
            sr =3D sr,
            gcamActor =3D gcamActor,
            instName =3D instName,
            imageViewerTLName =3D imageViewerTLName,
            defRadius =3D defRadius,
            defBinFactor =3D defBinFactor,
            maxFindAmpl =3D maxFindAmpl,
            doWindow =3D doWindow,
            windowOrigin =3D windowOrigin,
            windowIsInclusive =3D windowIsInclusive,
            helpURL =3D helpURL,
            debug =3D debug,
        )
        self.doZeroOverscan =3D bool(doZeroOverscan)
        ....

    def initAll(self):
        """Override the default initAll to record initial bin factor, if =
relevant
        """
***   BaseFocusScript.initAll(self)
        if self.exposeModel.instInfo.numBin > 0:
            self.finalBinFactor =3D self.exposeModel.bin.getInd(0)[0]


Also, here is BaseFocusScript:

class BaseFocusScript(object):
    """Basic focus script object.
   =20
    This is a virtual base class. The inheritor must:
    - Provide widgets
    - Provide a "run" method
    """
    cmd_Find =3D "find"
    cmd_Measure =3D "measure"
    cmd_Sweep =3D "sweep"

    # constants
    #DefRadius =3D 5.0 # centroid radius, in arcsec
    #NewStarRad =3D 2.0 # amount of star position change to be =
considered a new star
    DefFocusNPos =3D 5  # number of focus positions
    DefFocusRange =3D 200 # default focus range around current focus
    FocusWaitMS =3D 1000 # time to wait after every focus adjustment =
(ms)
    BacklashComp =3D 0 # amount of backlash compensation, in microns (0 =
for none)
    WinSizeMult =3D 2.5 # window radius =3D centroid radius * =
WinSizeMult
    FocGraphMargin =3D 5 # margin on graph for x axis limits, in um
    MaxFocSigmaFac =3D 0.5 # maximum allowed sigma of best fit focus as =
a multiple of focus range
    MinFocusIncr =3D 10 # minimum focus increment, in um
    def __init__(self,
        sr,
        gcamActor,
        instName,
        tccInstPrefix =3D None,
        imageViewerTLName =3D None,
        defRadius =3D 5.0,
        defBinFactor =3D 1,
        finalBinFactor =3D None,
        canSetStarPos =3D True,
        maxFindAmpl =3D None,
        doWindow =3D True,
        windowOrigin =3D 0,
        windowIsInclusive =3D True,
        helpURL =3D None,
        debug =3D False,
    ):
        """...."""
        self.sr =3D sr
        self.sr.debug =3D bool(debug)
        self.gcamActor =3D gcamActor

    ....
    def initAll(self):
        """Initialize variables, table and graph.
        """
        # initialize shared variables
        self.doTakeFinalImage =3D False
        self.focDir =3D None
        self.currBoreXYDeg =3D None
        self.begBoreXYDeg =3D None
        self.instScale =3D None
        self.arcsecPerPixel =3D None
        self.instCtr =3D None
        self.instLim =3D None
        self.cmdMode =3D None
        self.focPosToRestore =3D None
        self.expTime =3D None
        self.absStarPos =3D None
        self.relStarPos =3D None
        self.binFactor =3D None
        self.window =3D None # LL pixel is 0, UR pixel is included

        self.enableCmdBtns(False)