Source code for pyasdm.VLAWVRRow

# ALMA - Atacama Large Millimeter Array
# (c) European Southern Observatory, 2002
# (c) Associated Universities Inc., 2002
# Copyright by ESO (in the framework of the ALMA collaboration),
# Copyright by AUI (in the framework of the ALMA collaboration),
# All rights reserved.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307  USA
#
# Warning!
#  --------------------------------------------------------------------
# | This is generated code!  Do not modify this file.                  |
# | If you do, all changes will be lost when the file is re-generated. |
#  --------------------------------------------------------------------
#
# File VLAWVRRow.py
#

import pyasdm.VLAWVRTable

from .Parser import Parser

import pyasdm.utils

from .exceptions.ConversionException import ConversionException

# All of the extended types are imported
from pyasdm.types import *

# this will contain all of the static methods used to get each element of the row
# from an EndianInput instance
_fromBinMethods = {}


from xml.dom import minidom

import copy


[docs]class VLAWVRRow: """ The VLAWVRRow class is a row of a VLAWVRTable. Generated from model's revision -1, branch """ # the table to which this row belongs. _table = None # whether this row has been added to the table or not. _hasBeenAdded = False # internal attribute values appear later, with their getters and setters def __init__(self, table, row=None): """ Create a VLAWVRRow. When row is None, create an empty row attached to table, which must be a VLAWVRTable. When row is given, copy those values in to the new row. The row argument must be a VLAWVRRow. The returned new row is not yet added to table, but it knows about table. """ if not isinstance(table, pyasdm.VLAWVRTable): raise ValueError("table must be a VLAWVRTable") self._table = table self._hasBeenAdded = False # initialize attribute values # intrinsic attributes self._timeInterval = ArrayTimeInterval() self._numChan = 0 self._hiValues = [] # this is a list of float [] self._loValues = [] # this is a list of float [] self._chanFreqCenterExists = False self._chanFreqCenter = [] # this is a list of Frequency [] self._chanWidthExists = False self._chanWidth = [] # this is a list of Frequency [] self._wvrIdExists = False self._wvrId = None # extrinsic attributes self._antennaId = Tag() if row is not None: if not isinstance(row, VLAWVRRow): raise ValueError("row must be a VLAWVRRow") # copy constructor self._antennaId = Tag(row._antennaId) self._timeInterval = ArrayTimeInterval(row._timeInterval) self._numChan = row._numChan # hiValues is a list , make a deep copy self._hiValues = copy.deepcopy(row._hiValues) # loValues is a list , make a deep copy self._loValues = copy.deepcopy(row._loValues) # by default set systematically chanFreqCenter's value to something not None if row._chanFreqCenterExists: # chanFreqCenter is a list, make a deep copy self._chanFreqCenter = copy.deepcopy(row._chanFreqCenter) self._chanFreqCenterExists = True # by default set systematically chanWidth's value to something not None if row._chanWidthExists: # chanWidth is a list, make a deep copy self._chanWidth = copy.deepcopy(row._chanWidth) self._chanWidthExists = True # by default set systematically wvrId's value to something not None if row._wvrIdExists: self._wvrId = row._wvrId self._wvrIdExists = True
[docs] def isAdded(self): self._hasBeenAdded = True
[docs] def getTable(self): """ Return the table to which this row belongs. """ return self._table
[docs] def toXML(self): """ Return this row in the form of an XML string. """ result = "" result += "<row> \n" # intrinsic attributes result += Parser.extendedValueToXML("timeInterval", self._timeInterval) result += Parser.valueToXML("numChan", self._numChan) result += Parser.listValueToXML("hiValues", self._hiValues) result += Parser.listValueToXML("loValues", self._loValues) if self._chanFreqCenterExists: result += Parser.listExtendedValueToXML( "chanFreqCenter", self._chanFreqCenter ) if self._chanWidthExists: result += Parser.listExtendedValueToXML("chanWidth", self._chanWidth) if self._wvrIdExists: result += Parser.valueToXML("wvrId", self._wvrId) # extrinsic attributes result += Parser.extendedValueToXML("antennaId", self._antennaId) # links, if any result += "</row>\n" return result
[docs] def setFromXML(self, xmlrow): """ Fill the values of this row from an XML string that was produced by the toXML() method. If xmlrow is a minidom.Element with a nodeName of row then it will be used as is. Anything else that is not a string is an error. """ rowdom = None if isinstance(xmlrow, str): xmldom = minidom.parseString(xmlrow) rowdom = xmldom.firstChild elif isinstance(xmlrow, minidom.Element): rowdom = xmlrow else: raise ConversionException( "xmlrow is not a string or a minidom.Element", "VLAWVRTable" ) if rowdom.nodeName != "row": raise ConversionException("the argument is not a row", "VLAWVRTable") # intrinsic attribute values timeIntervalNode = rowdom.getElementsByTagName("timeInterval")[0] self._timeInterval = ArrayTimeInterval(timeIntervalNode.firstChild.data.strip()) numChanNode = rowdom.getElementsByTagName("numChan")[0] self._numChan = int(numChanNode.firstChild.data.strip()) hiValuesNode = rowdom.getElementsByTagName("hiValues")[0] hiValuesStr = hiValuesNode.firstChild.data.strip() self._hiValues = Parser.stringListToLists(hiValuesStr, float, "VLAWVR", False) loValuesNode = rowdom.getElementsByTagName("loValues")[0] loValuesStr = loValuesNode.firstChild.data.strip() self._loValues = Parser.stringListToLists(loValuesStr, float, "VLAWVR", False) chanFreqCenterNode = rowdom.getElementsByTagName("chanFreqCenter") if len(chanFreqCenterNode) > 0: chanFreqCenterStr = chanFreqCenterNode[0].firstChild.data.strip() self._chanFreqCenter = Parser.stringListToLists( chanFreqCenterStr, Frequency, "VLAWVR", True ) self._chanFreqCenterExists = True chanWidthNode = rowdom.getElementsByTagName("chanWidth") if len(chanWidthNode) > 0: chanWidthStr = chanWidthNode[0].firstChild.data.strip() self._chanWidth = Parser.stringListToLists( chanWidthStr, Frequency, "VLAWVR", True ) self._chanWidthExists = True wvrIdNode = rowdom.getElementsByTagName("wvrId") if len(wvrIdNode) > 0: self._wvrId = str(wvrIdNode[0].firstChild.data.strip()) self._wvrIdExists = True # extrinsic attribute values antennaIdNode = rowdom.getElementsByTagName("antennaId")[0] self._antennaId = Tag(antennaIdNode.firstChild.data.strip())
# from link values, if any
[docs] def toBin(self, eos): """ Write this row out to the EndianOutput instance, eos. """ self._antennaId.toBin(eos) self._timeInterval.toBin(eos) eos.writeInt(self._numChan) eos.writeInt(len(self._hiValues)) for i in range(len(self._hiValues)): eos.writeFloat(self._hiValues[i]) eos.writeInt(len(self._loValues)) for i in range(len(self._loValues)): eos.writeFloat(self._loValues[i]) eos.writeBool(self._chanFreqCenterExists) if self._chanFreqCenterExists: Frequency.listToBin(self._chanFreqCenter, eos) eos.writeBool(self._chanWidthExists) if self._chanWidthExists: Frequency.listToBin(self._chanWidth, eos) eos.writeBool(self._wvrIdExists) if self._wvrIdExists: eos.writeStr(self._wvrId)
[docs] @staticmethod def antennaIdFromBin(row, eis): """ Set the antennaId in row from the EndianInput (eis) instance. """ row._antennaId = Tag.fromBin(eis)
[docs] @staticmethod def timeIntervalFromBin(row, eis): """ Set the timeInterval in row from the EndianInput (eis) instance. """ row._timeInterval = ArrayTimeInterval.fromBin(eis)
[docs] @staticmethod def numChanFromBin(row, eis): """ Set the numChan in row from the EndianInput (eis) instance. """ row._numChan = eis.readInt()
[docs] @staticmethod def hiValuesFromBin(row, eis): """ Set the hiValues in row from the EndianInput (eis) instance. """ hiValuesDim1 = eis.readInt() thisList = [] for i in range(hiValuesDim1): thisValue = eis.readFloat() thisList.append(thisValue) row._hiValues = thisList
[docs] @staticmethod def loValuesFromBin(row, eis): """ Set the loValues in row from the EndianInput (eis) instance. """ loValuesDim1 = eis.readInt() thisList = [] for i in range(loValuesDim1): thisValue = eis.readFloat() thisList.append(thisValue) row._loValues = thisList
[docs] @staticmethod def chanFreqCenterFromBin(row, eis): """ Set the optional chanFreqCenter in row from the EndianInput (eis) instance. """ row._chanFreqCenterExists = eis.readBool() if row._chanFreqCenterExists: row._chanFreqCenter = Frequency.from1DBin(eis)
[docs] @staticmethod def chanWidthFromBin(row, eis): """ Set the optional chanWidth in row from the EndianInput (eis) instance. """ row._chanWidthExists = eis.readBool() if row._chanWidthExists: row._chanWidth = Frequency.from1DBin(eis)
[docs] @staticmethod def wvrIdFromBin(row, eis): """ Set the optional wvrId in row from the EndianInput (eis) instance. """ row._wvrIdExists = eis.readBool() if row._wvrIdExists: row._wvrId = eis.readStr()
[docs] @staticmethod def initFromBinMethods(): global _fromBinMethods if len(_fromBinMethods) > 0: return _fromBinMethods["antennaId"] = VLAWVRRow.antennaIdFromBin _fromBinMethods["timeInterval"] = VLAWVRRow.timeIntervalFromBin _fromBinMethods["numChan"] = VLAWVRRow.numChanFromBin _fromBinMethods["hiValues"] = VLAWVRRow.hiValuesFromBin _fromBinMethods["loValues"] = VLAWVRRow.loValuesFromBin _fromBinMethods["chanFreqCenter"] = VLAWVRRow.chanFreqCenterFromBin _fromBinMethods["chanWidth"] = VLAWVRRow.chanWidthFromBin _fromBinMethods["wvrId"] = VLAWVRRow.wvrIdFromBin
[docs] @staticmethod def fromBin(eis, table, attributesSeq): """ Given an EndianInput instance by the table (which must be a Pointing instance) and the list of attributes to be found in eis, in order, this constructs a row by pulling off values from that EndianInput in the expected order. The new row object is returned. """ global _fromBinMethods row = VLAWVRRow(table) for attributeName in attributesSeq: if attributeName not in _fromBinMethods: raise ConversionException( "There is not a method to read an attribute '" + attributeName + "'.", " VLAWVR", ) method = _fromBinMethods[attributeName] method(row, eis) return row
# Intrinsice Table Attributes # ===> Attribute timeInterval _timeInterval = ArrayTimeInterval()
[docs] def getTimeInterval(self): """ Get timeInterval. return timeInterval as ArrayTimeInterval """ # make sure it is a copy of ArrayTimeInterval return ArrayTimeInterval(self._timeInterval)
[docs] def setTimeInterval(self, timeInterval): """ Set timeInterval with the specified ArrayTimeInterval value. timeInterval The ArrayTimeInterval value to which timeInterval is to be set. The value of timeInterval can be anything allowed by the ArrayTimeInterval constructor. Raises a ValueError If an attempt is made to change a part of the key after is has been added to the table. """ if self._hasBeenAdded: raise ValueError( "Attempt to change the timeInterval field, which is part of the key, after this row has been added to this table." ) self._timeInterval = ArrayTimeInterval(timeInterval)
# ===> Attribute numChan _numChan = 0
[docs] def getNumChan(self): """ Get numChan. return numChan as int """ return self._numChan
[docs] def setNumChan(self, numChan): """ Set numChan with the specified int value. numChan The int value to which numChan is to be set. """ self._numChan = int(numChan)
# ===> Attribute hiValues _hiValues = None # this is a 1D list of float
[docs] def getHiValues(self): """ Get hiValues. return hiValues as float [] """ return copy.deepcopy(self._hiValues)
[docs] def setHiValues(self, hiValues): """ Set hiValues with the specified float [] value. hiValues The float [] value to which hiValues is to be set. """ # value must be a list if not isinstance(hiValues, list): raise ValueError("The value of hiValues must be a list") # check the shape try: listDims = pyasdm.utils.getListDims(hiValues) shapeOK = len(listDims) == 1 if not shapeOK: raise ValueError("shape of hiValues is not correct") # the type of the values in the list must be float # note : this only checks the first value found if not pyasdm.utils.checkListType(hiValues, float): raise ValueError( "type of the first value in hiValues is not float as expected" ) # finally, (reasonably) safe to just do a deepcopy self._hiValues = copy.deepcopy(hiValues) except Exception as exc: raise ValueError("Invalid hiValues : " + str(exc))
# ===> Attribute loValues _loValues = None # this is a 1D list of float
[docs] def getLoValues(self): """ Get loValues. return loValues as float [] """ return copy.deepcopy(self._loValues)
[docs] def setLoValues(self, loValues): """ Set loValues with the specified float [] value. loValues The float [] value to which loValues is to be set. """ # value must be a list if not isinstance(loValues, list): raise ValueError("The value of loValues must be a list") # check the shape try: listDims = pyasdm.utils.getListDims(loValues) shapeOK = len(listDims) == 1 if not shapeOK: raise ValueError("shape of loValues is not correct") # the type of the values in the list must be float # note : this only checks the first value found if not pyasdm.utils.checkListType(loValues, float): raise ValueError( "type of the first value in loValues is not float as expected" ) # finally, (reasonably) safe to just do a deepcopy self._loValues = copy.deepcopy(loValues) except Exception as exc: raise ValueError("Invalid loValues : " + str(exc))
# ===> Attribute chanFreqCenter, which is optional _chanFreqCenterExists = False _chanFreqCenter = None # this is a 1D list of Frequency
[docs] def isChanFreqCenterExists(self): """ The attribute chanFreqCenter is optional. Return True if this attribute exists. return True if and only if the chanFreqCenter attribute exists. """ return self._chanFreqCenterExists
[docs] def getChanFreqCenter(self): """ Get chanFreqCenter, which is optional. return chanFreqCenter as Frequency [] raises ValueError If chanFreqCenter does not exist. """ if not self._chanFreqCenterExists: raise ValueError( "Attempt to access a non-existent attribute. The " + chanFreqCenter + " attribute in table VLAWVR does not exist!" ) return copy.deepcopy(self._chanFreqCenter)
[docs] def setChanFreqCenter(self, chanFreqCenter): """ Set chanFreqCenter with the specified Frequency [] value. chanFreqCenter The Frequency [] value to which chanFreqCenter is to be set. The value of chanFreqCenter can be anything allowed by the Frequency [] constructor. """ # value must be a list if not isinstance(chanFreqCenter, list): raise ValueError("The value of chanFreqCenter must be a list") # check the shape try: listDims = pyasdm.utils.getListDims(chanFreqCenter) shapeOK = len(listDims) == 1 if not shapeOK: raise ValueError("shape of chanFreqCenter is not correct") # the type of the values in the list must be Frequency # note : this only checks the first value found if not pyasdm.utils.checkListType(chanFreqCenter, Frequency): raise ValueError( "type of the first value in chanFreqCenter is not Frequency as expected" ) # finally, (reasonably) safe to just do a deepcopy self._chanFreqCenter = copy.deepcopy(chanFreqCenter) except Exception as exc: raise ValueError("Invalid chanFreqCenter : " + str(exc)) self._chanFreqCenterExists = True
[docs] def clearChanFreqCenter(self): """ Mark chanFreqCenter, which is an optional field, as non-existent. """ self._chanFreqCenterExists = False
# ===> Attribute chanWidth, which is optional _chanWidthExists = False _chanWidth = None # this is a 1D list of Frequency
[docs] def isChanWidthExists(self): """ The attribute chanWidth is optional. Return True if this attribute exists. return True if and only if the chanWidth attribute exists. """ return self._chanWidthExists
[docs] def getChanWidth(self): """ Get chanWidth, which is optional. return chanWidth as Frequency [] raises ValueError If chanWidth does not exist. """ if not self._chanWidthExists: raise ValueError( "Attempt to access a non-existent attribute. The " + chanWidth + " attribute in table VLAWVR does not exist!" ) return copy.deepcopy(self._chanWidth)
[docs] def setChanWidth(self, chanWidth): """ Set chanWidth with the specified Frequency [] value. chanWidth The Frequency [] value to which chanWidth is to be set. The value of chanWidth can be anything allowed by the Frequency [] constructor. """ # value must be a list if not isinstance(chanWidth, list): raise ValueError("The value of chanWidth must be a list") # check the shape try: listDims = pyasdm.utils.getListDims(chanWidth) shapeOK = len(listDims) == 1 if not shapeOK: raise ValueError("shape of chanWidth is not correct") # the type of the values in the list must be Frequency # note : this only checks the first value found if not pyasdm.utils.checkListType(chanWidth, Frequency): raise ValueError( "type of the first value in chanWidth is not Frequency as expected" ) # finally, (reasonably) safe to just do a deepcopy self._chanWidth = copy.deepcopy(chanWidth) except Exception as exc: raise ValueError("Invalid chanWidth : " + str(exc)) self._chanWidthExists = True
[docs] def clearChanWidth(self): """ Mark chanWidth, which is an optional field, as non-existent. """ self._chanWidthExists = False
# ===> Attribute wvrId, which is optional _wvrIdExists = False _wvrId = None
[docs] def isWvrIdExists(self): """ The attribute wvrId is optional. Return True if this attribute exists. return True if and only if the wvrId attribute exists. """ return self._wvrIdExists
[docs] def getWvrId(self): """ Get wvrId, which is optional. return wvrId as str raises ValueError If wvrId does not exist. """ if not self._wvrIdExists: raise ValueError( "Attempt to access a non-existent attribute. The " + wvrId + " attribute in table VLAWVR does not exist!" ) return self._wvrId
[docs] def setWvrId(self, wvrId): """ Set wvrId with the specified str value. wvrId The str value to which wvrId is to be set. """ self._wvrId = str(wvrId) self._wvrIdExists = True
[docs] def clearWvrId(self): """ Mark wvrId, which is an optional field, as non-existent. """ self._wvrIdExists = False
# Extrinsic Table Attributes # ===> Attribute antennaId _antennaId = Tag()
[docs] def getAntennaId(self): """ Get antennaId. return antennaId as Tag """ # make sure it is a copy of Tag return Tag(self._antennaId)
[docs] def setAntennaId(self, antennaId): """ Set antennaId with the specified Tag value. antennaId The Tag value to which antennaId is to be set. The value of antennaId can be anything allowed by the Tag constructor. Raises a ValueError If an attempt is made to change a part of the key after is has been added to the table. """ if self._hasBeenAdded: raise ValueError( "Attempt to change the antennaId field, which is part of the key, after this row has been added to this table." ) self._antennaId = Tag(antennaId)
# Links
[docs] def getAntennaUsingAntennaId(self): """ Returns the row in the Antenna table having Antenna.antennaId == antennaId """ return self._table.getContainer().getAntenna().getRowByKey(self._antennaId)
# comparison methods
[docs] def compareNoAutoInc(self, antennaId, timeInterval, numChan, hiValues, loValues): """ Compare each attribute except the autoincrementable one of this VLAWVRRow with the corresponding parameters and return True if there is a match and False otherwise. """ # antennaId is a Tag, compare using the equals method. if not self._antennaId.equals(antennaId): return False # timeInterval is a ArrayTimeInterval, compare using the equals method. if not self._timeInterval.equals(timeInterval): return False # numChan is a int, compare using the == operator. if not (self._numChan == numChan): return False # We compare two 1D arrays. # Compare firstly their dimensions and then their values. if len(self._hiValues) != len(hiValues): return False for indx in range(len(hiValues)): # hiValues is a list of float, compare using == operator. if not (self._hiValues[indx] == hiValues[indx]): return False # We compare two 1D arrays. # Compare firstly their dimensions and then their values. if len(self._loValues) != len(loValues): return False for indx in range(len(loValues)): # loValues is a list of float, compare using == operator. if not (self._loValues[indx] == loValues[indx]): return False return True
[docs] def equalByRequiredValue(self, otherRow): """ Return True if all required attributes of the value part are equal to their homologues in otherRow and False otherwise. """ return self.compareRequiredValue( otherRow.getNumChan(), otherRow.getHiValues(), otherRow.getLoValues() )
[docs] def compareRequiredValue(self, numChan, hiValues, loValues): # numChan is a int, compare using the == operator. if not (self._numChan == numChan): return False # We compare two 1D arrays. # Compare firstly their dimensions and then their values. if len(self._hiValues) != len(hiValues): return False for indx in range(len(hiValues)): # hiValues is a list of float, compare using == operator. if not (self._hiValues[indx] == hiValues[indx]): return False # We compare two 1D arrays. # Compare firstly their dimensions and then their values. if len(self._loValues) != len(loValues): return False for indx in range(len(loValues)): # loValues is a list of float, compare using == operator. if not (self._loValues[indx] == loValues[indx]): return False return True
# initialize the dictionary that maps fields to init methods VLAWVRRow.initFromBinMethods()