find_cli.py

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#
# This file was generated using xslt from its XML file
#
# Copyright 2008, Associated Universities Inc., Washington DC
#
import sys
import os
#from casac import *
import casac
import string
import time
import inspect
import gc
import numpy
from odict import odict
from taskmanager import tm
from task_find import find
class find_cli_:
    __name__ = "find"
    __async__ = {}
    rkey = None
    i_am_a_casapy_task = None
    # The existence of the i_am_a_casapy_task attribute allows help()
    # (and other) to treat casapy tasks as a special case.

    def __init__(self) :
       self.__bases__ = (find_cli_,)
       self.__doc__ = self.__call__.__doc__

       self.parameters={'matchstring':None,  'async':None}


    def result(self, key=None):
            #### here we will scan the task-ids in __async__
            #### and add any that have completed...
            if key is not None and self.__async__.has_key(key) and self.__async__[key] is not None:
               ret = tm.retrieve(self.__async__[key])
               if ret['state'] == "done" :
                  self.__async__[key] = None
               elif ret['state'] == 'crashed' :
                  self.__async__[key] = None
               return ret
            return None


    def __call__(self, matchstring=None,  async=None):

        """Find string in tasks, task names, parameter names:

       Find string in tasks, task names, parameter names:

        Lists the following:
                1) All of the task names that have the string
                2) All of the tasks whose  contents (e.g., documentation,
                parameters, etc) have the string
                3) All of the parameter names that have the string

       Keyword arguments:
       matchstring -- String to match in the documentation
               default: ''; example: matchstring='vis'
 
        """
        if not hasattr(self, "__globals__") or self.__globals__ == None :
           self.__globals__=sys._getframe(len(inspect.stack())-1).f_globals
        #casac = self.__globals__['casac']
        casalog = self.__globals__['casalog']
        #casalog = casac.casac.logsink()
        self.__globals__['__last_task'] = 'find'
        self.__globals__['taskname'] = 'find'
        ###
        self.__globals__['update_params'](func=self.__globals__['taskname'],printtext=False,ipython_globals=self.__globals__)
        ###
        ###
        #Handle globals or user over-ride of arguments
        #
        function_signature_defaults=dict(zip(self.__call__.func_code.co_varnames,self.__call__.func_defaults))
        useLocalDefaults = False

        for item in function_signature_defaults.iteritems():
                key,val = item
                keyVal = eval(key)
                if (keyVal == None):
                        #user hasn't set it - use global/default
                        pass
                else:
                        #user has set it - use over-ride
                        if (key != 'self') :
                           useLocalDefaults = True

        myparams = {}
        if useLocalDefaults :
           for item in function_signature_defaults.iteritems():
               key,val = item
               keyVal = eval(key)
               exec('myparams[key] = keyVal')
               self.parameters[key] = keyVal
               if (keyVal == None):
                   exec('myparams[key] = '+ key + ' = self.itsdefault(key)')
                   keyVal = eval(key)
                   if(type(keyVal) == dict) :
                      if len(keyVal) > 0 :
                         exec('myparams[key] = ' + key + ' = keyVal[len(keyVal)-1][\'value\']')
                      else :
                         exec('myparams[key] = ' + key + ' = {}')

        else :
            async = self.parameters['async']
            myparams['matchstring'] = matchstring = self.parameters['matchstring']


        result = None

#
#    The following is work around to avoid a bug with current python translation
#
        mytmp = {}

        mytmp['matchstring'] = matchstring
        pathname='file:///'+os.environ.get('CASAPATH').split()[0]+'/share/xml/'
        trec = casac.casac.utils().torecord(pathname+'find.xml')

        casalog.origin('find')
        try :
          #if not trec.has_key('find') or not casac.casac.utils().verify(mytmp, trec['find']) :
            #return False

          casac.casac.utils().verify(mytmp, trec['find'], True)
          scriptstr=['']
          saveinputs = self.__globals__['saveinputs']
          saveinputs('find', 'find.last', myparams, self.__globals__,scriptstr=scriptstr)
          if async :
            count = 0
            keybase =  time.strftime("%y%m%d.%H%M%S")
            key = keybase + "_" + str(count)
            while self.__async__.has_key(key) :
               count += 1
               key = keybase + "_" + str(count)
            result = tm.execute('find', matchstring)
            print "Use: "
            print "      tm.retrieve(return_value) # to retrieve the status"
            print 
            self.rkey = key
            self.__async__[key] = result
          else :
              tname = 'find'
              spaces = ' '*(18-len(tname))
              casalog.post('\n##########################################'+
                           '\n##### Begin Task: ' + tname + spaces + ' #####')
              casalog.post(scriptstr[1][1:]+'\n', 'INFO')
              result = find(matchstring)
              casalog.post('##### End Task: ' + tname + '  ' + spaces + ' #####'+
                           '\n##########################################')

        except Exception, instance:
          if(self.__globals__.has_key('__rethrow_casa_exceptions') and self.__globals__['__rethrow_casa_exceptions']) :
             raise
          else :
             #print '**** Error **** ',instance
             tname = 'find'
             casalog.post('An error occurred running task '+tname+'.', 'ERROR')
             pass

        gc.collect()
        return result
#
#
#
    def paramgui(self, useGlobals=True, ipython_globals=None):
        """
        Opens a parameter GUI for this task.  If useGlobals is true, then any relevant global parameter settings are used.
        """
        import paramgui
        if not hasattr(self, "__globals__") or self.__globals__ == None :
           self.__globals__=sys._getframe(len(inspect.stack())-1).f_globals

        if useGlobals:
            if ipython_globals == None:
                myf=self.__globals__
            else:
                myf=ipython_globals

            paramgui.setGlobals(myf)
        else:
            paramgui.setGlobals({})

        paramgui.runTask('find', myf['_ip'])
        paramgui.setGlobals({})

#
#
#
    def defaults(self, param=None, ipython_globals=None, paramvalue=None, subparam=None):
        if not hasattr(self, "__globals__") or self.__globals__ == None :
           self.__globals__=sys._getframe(len(inspect.stack())-1).f_globals
        if ipython_globals == None:
            myf=self.__globals__
        else:
            myf=ipython_globals

        a = odict()
        a['matchstring']  = ''

        a['async']=False

### This function sets the default values but also will return the list of
### parameters or the default value of a given parameter
        if(param == None):
                myf['__set_default_parameters'](a)
        elif(param == 'paramkeys'):
                return a.keys()
        else:
            if(paramvalue==None and subparam==None):
               if(a.has_key(param)):
                  return a[param]
               else:
                  return self.itsdefault(param)
            else:
               retval=a[param]
               if(type(a[param])==dict):
                  for k in range(len(a[param])):
                     valornotval='value'
                     if(a[param][k].has_key('notvalue')):
                        valornotval='notvalue'
                     if((a[param][k][valornotval])==paramvalue):
                        retval=a[param][k].copy()
                        retval.pop(valornotval)
                        if(subparam != None):
                           if(retval.has_key(subparam)):
                              retval=retval[subparam]
                           else:
                              retval=self.itsdefault(subparam)
                     else:
                        retval=self.itsdefault(subparam)
               return retval


#
#
    def check_params(self, param=None, value=None, ipython_globals=None):
      if ipython_globals == None:
          myf=self.__globals__
      else:
          myf=ipython_globals
#      print 'param:', param, 'value:', value
      try :
         if str(type(value)) != "<type 'instance'>" :
            value0 = value
            value = myf['cu'].expandparam(param, value)
            matchtype = False
            if(type(value) == numpy.ndarray):
               if(type(value) == type(value0)):
                  myf[param] = value.tolist()
               else:
                  #print 'value:', value, 'value0:', value0
                  #print 'type(value):', type(value), 'type(value0):', type(value0)
                  myf[param] = value0
                  if type(value0) != list :
                     matchtype = True
            else :
               myf[param] = value
            value = myf['cu'].verifyparam({param:value})
            if matchtype:
               value = False
      except Exception, instance:
         #ignore the exception and just return it unchecked
         myf[param] = value
      return value
#
#
    def description(self, key='find', subkey=None):
        desc={'find': 'Find string in tasks, task names, parameter names:',
               'matchstring': 'String to match in the documentation',

               'async': 'If true the taskname must be started using find(...)'
              }

        if(desc.has_key(key)) :
           return desc[key]

    def itsdefault(self, paramname) :
        a = {}
        a['matchstring']  = ''

        #a = sys._getframe(len(inspect.stack())-1).f_globals

        if a.has_key(paramname) :
              return a[paramname]
find_cli = find_cli_()