Esempio n. 1
0
class ArrayCleaner(object):
    def __init__(self,iqueryPath='iquery',debug=False,stream=None):
        self._pushedArrayNames = set([])
        self._iquery = Iquery(iqueryPath)
        self._pushed = False
        self._dbgWriter = DebugStreamWriter(debug,stream)
    #-----------------------------------------------------------------------------
    # getArrayNames: extract the names of arrays currently stored in scidb from
    #                the "raw" data returned by the list-array query.  The names
    #                are returned as a set back to the caller.
    def _getArrayNames(self, iqueryData):
        # Run the regular expression check to grab the names of the arrays with 
        # some extraneous characters.  L will contain regular expression match
        # objects.
        lines = iqueryData.split('\n')
        arrayNames = [line.split(',')[0] for line in lines[1:]]
        arrayNames = [name.replace('\'','') for name in arrayNames if len(name) > 0]
        return set(arrayNames)
    #-----------------------------------------------------------------------------
    # getSciDBArrays: get a set of arrays currently stored in the scidb database
    #                 (as reported by a call to iquery).
    def getSciDBArrays(self):
        # Run iquery to get the list of arrays.
        _,stdoutData,stderrData = self._iquery.runQuery(listSciDBArraysCmd,opts=['-o','csv','-aq'])
        
        # Get the names from the "raw" data and return them:
        return self._getArrayNames(stdoutData)
    #-----------------------------------------------------------------------------
    # removeSciDBArrays: remove all of the arrays specified by the user; the
    #                    function repeatedly calls iquery to remove a single array
    #                    for every array in user-specified set.
    def removeSciDBArrays(self, arraySet):
        if (len(arraySet) > 0):
            self._dbgWriter.dbgPrint('Will remove arrays...')
            self._dbgWriter.dbgPrint(''.join([x + ' ' for x in arraySet]))

        for A in arraySet:
            # Substitute the name of the array in the command list (quick and
            # dirty way: no need to remember which parameter needs the 
            # replacement).
            removeArrayCmd = removeSciDBArrayCmd
            removeArrayCmd = removeArrayCmd.replace('<array>',A)
            _,stdoutData,stderrData = self._iquery.runQuery(removeArrayCmd)

    def push(self):
        # Get the arrays out of the database and store them in temp file
        self._pushedArrayNames = self.getSciDBArrays()
        self._pushed = True
        
    def pop(self):
        if (self._pushed):
            currentArrayNames = self.getSciDBArrays()
            self.removeSciDBArrays(
                currentArrayNames - (self._pushedArrayNames & currentArrayNames)
                )
            self._pushed = False
Esempio n. 2
0
class ArrayCleaner(object):
    def __init__(self,iqueryPath='iquery',debug=False,stream=None):
        self._pushedArrayNames = set([])
        self._iquery = Iquery(iqueryPath)
        self._pushed = False
        self._dbgWriter = DebugStreamWriter(debug,stream)
    #-----------------------------------------------------------------------------
    # getArrayNames: extract the names of arrays currently stored in scidb from
    #                the "raw" data returned by the list-array query.  The names
    #                are returned as a set back to the caller.
    def _getArrayNames(self, iqueryData):
        # Run the regular expression check to grab the names of the arrays with
        # some extraneous characters.  L will contain regular expression match
        # objects.
        lines = iqueryData.split('\n')
        arrayNames = [line.split(',')[0] for line in lines[1:]]
        arrayNames = [name.replace('\'','') for name in arrayNames if len(name) > 0]
        return set(arrayNames)
    #-----------------------------------------------------------------------------
    # getSciDBArrays: get a set of arrays currently stored in the scidb database
    #                 (as reported by a call to iquery).
    def getSciDBArrays(self):
        # Run iquery to get the list of arrays.
        _,stdoutData,stderrData = self._iquery.runQuery(listSciDBArraysCmd,opts=['-o','csv','-aq'])

        # Get the names from the "raw" data and return them:
        return self._getArrayNames(stdoutData)
    #-----------------------------------------------------------------------------
    # removeSciDBArrays: remove all of the arrays specified by the user; the
    #                    function repeatedly calls iquery to remove a single array
    #                    for every array in user-specified set.
    def removeSciDBArrays(self, arraySet):
        if (len(arraySet) > 0):
            self._dbgWriter.dbgPrint('Will remove arrays...')
            self._dbgWriter.dbgPrint(''.join([x + ' ' for x in arraySet]))

        for A in arraySet:
            # Substitute the name of the array in the command list (quick and
            # dirty way: no need to remember which parameter needs the
            # replacement).
            removeArrayCmd = removeSciDBArrayCmd
            removeArrayCmd = removeArrayCmd.replace('<array>',A)
            _,stdoutData,stderrData = self._iquery.runQuery(removeArrayCmd)

    def push(self):
        # Get the arrays out of the database and store them in temp file
        self._pushedArrayNames = self.getSciDBArrays()
        self._pushed = True

    def pop(self):
        if (self._pushed):
            currentArrayNames = self.getSciDBArrays()
            self.removeSciDBArrays(
                currentArrayNames - (self._pushedArrayNames & currentArrayNames)
                )
            self._pushed = False
Esempio n. 3
0
class ArrayCleaner(object):
    def __init__(self, iqueryPath='iquery', debug=False, stream=None):
        self._pushedArrayNames = set([])
        self._iquery = Iquery(iqueryPath)
        self._pushed = False
        self._dbgWriter = DebugStreamWriter(debug, stream)

    #-----------------------------------------------------------------------------
    # getSciDBArrays: get a set of arrays currently stored in the scidb database
    #                 (as reported by a call to iquery).
    def getSciDBArrays(self):
        # Run iquery to get the list of arrays.
        _, stdoutData, _ = self._iquery.runQuery(listSciDBArraysCmd,
                                                 opts=['-o', 'csv', '-aq'])
        # Parse out the array names.
        arrayNames = [line.split(',')[0] for line in stdoutData.splitlines()]
        arrayNames = [name.replace('\'', '') for name in arrayNames
                      if name]  # strip quotes
        # Paranoid, but: no duplicates!
        return set(arrayNames)

    #-----------------------------------------------------------------------------
    # removeSciDBArrays: remove all of the arrays specified by the user; the
    #                    function repeatedly calls iquery to remove a single array
    #                    for every array in user-specified set.
    def removeSciDBArrays(self, arraySet):
        if (len(arraySet) > 0):
            self._dbgWriter.dbgPrint('Will remove arrays...')
            self._dbgWriter.dbgPrint(''.join([x + ' ' for x in arraySet]))

        for A in arraySet:
            # Substitute the name of the array in the command list (quick and
            # dirty way: no need to remember which parameter needs the
            # replacement).
            removeArrayCmd = removeSciDBArrayCmd
            removeArrayCmd = removeArrayCmd.replace('<array>', A)
            _, stdoutData, stderrData = self._iquery.runQuery(removeArrayCmd)

    def push(self):
        # Get the arrays out of the database and store them in temp file
        self._pushedArrayNames = self.getSciDBArrays()
        self._pushed = True

    def pop(self):
        if (self._pushed):
            currentArrayNames = self.getSciDBArrays()
            self.removeSciDBArrays(currentArrayNames - (self._pushedArrayNames
                                                        & currentArrayNames))
            self._pushed = False
Esempio n. 4
0
class ArrayCleaner(object):
    def __init__(self,iqueryPath='iquery',debug=False,stream=None):
        self._pushedArrayNames = set([])
        self._iquery = Iquery(iqueryPath)
        self._pushed = False
        self._dbgWriter = DebugStreamWriter(debug,stream)
    #-----------------------------------------------------------------------------
    # getSciDBArrays: get a set of arrays currently stored in the scidb database
    #                 (as reported by a call to iquery).
    def getSciDBArrays(self):
        # Run iquery to get the list of arrays.
        _,stdoutData,_ = self._iquery.runQuery(listSciDBArraysCmd,opts=['-o','csv','-aq'])
        # Parse out the array names.
        arrayNames = [line.split(',')[0] for line in stdoutData.splitlines()]
        arrayNames = [name.replace('\'','') for name in arrayNames if name] # strip quotes
        # Paranoid, but: no duplicates!
        return set(arrayNames)
    #-----------------------------------------------------------------------------
    # removeSciDBArrays: remove all of the arrays specified by the user; the
    #                    function repeatedly calls iquery to remove a single array
    #                    for every array in user-specified set.
    def removeSciDBArrays(self, arraySet):
        if (len(arraySet) > 0):
            self._dbgWriter.dbgPrint('Will remove arrays...')
            self._dbgWriter.dbgPrint(''.join([x + ' ' for x in arraySet]))

        for A in arraySet:
            # Substitute the name of the array in the command list (quick and
            # dirty way: no need to remember which parameter needs the
            # replacement).
            removeArrayCmd = removeSciDBArrayCmd
            removeArrayCmd = removeArrayCmd.replace('<array>',A)
            _,stdoutData,stderrData = self._iquery.runQuery(removeArrayCmd)

    def push(self):
        # Get the arrays out of the database and store them in temp file
        self._pushedArrayNames = self.getSciDBArrays()
        self._pushed = True

    def pop(self):
        if (self._pushed):
            currentArrayNames = self.getSciDBArrays()
            self.removeSciDBArrays(
                currentArrayNames - (self._pushedArrayNames & currentArrayNames)
                )
            self._pushed = False
Esempio n. 5
0
 def __init__(self,iqueryPath='iquery',debug=False,stream=None):
     self._pushedArrayNames = set([])
     self._iquery = Iquery(iqueryPath)
     self._pushed = False
     self._dbgWriter = DebugStreamWriter(debug,stream)
Esempio n. 6
0
 def __init__(self,iqueryPath='iquery',debug=False,stream=None):
     self._pushedArrayNames = set([])
     self._iquery = Iquery(iqueryPath)
     self._pushed = False
     self._dbgWriter = DebugStreamWriter(debug,stream)