Revision 3b2984dc snf-cyclades-app/synnefo/db/pools/__init__.py

b/snf-cyclades-app/synnefo/db/pools/__init__.py
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        """Return a value to the pool."""
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        if value is None:
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            raise ValueError
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        if not self.contains(value):
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            raise InvalidValue("%s does not belong to pool." % value)
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        index = self.value_to_index(value)
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        self._release(index, external)
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    def reserve(self, value, external=False):


  		





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        """Reserve a value."""


  		





  
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        if not self.contains(value):


  		





  
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            raise InvalidValue("%s does not belong to pool." % value)


  		





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        index = self.value_to_index(value)


  		





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        self._reserve(index, external)


  		





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        return True


  		





  ......




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        else:


  		





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            self.available[index] = AVAILABLE


  		





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    def contains(self, value):


  		





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        index = self.value_to_index(value)


  		





  
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    def contains(self, value, index=False):


  		





  
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        if index is False:


  		





  
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            index = self.value_to_index(value)


  		





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        return index >= 0 and index < self.pool_size


  		





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    def count_available(self):


  		





  ......




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        return self.pool_size - self.count_reserved()


  		





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    def is_available(self, value, index=False):


  		





  
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        if not self.contains(value, index=index):


  		





  
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            raise InvalidValue("%s does not belong to pool." % value)


  		





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        if not index:


  		





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            idx = self.value_to_index(value)


  		





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        else:


  		





  ......




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        return self.pool[idx] == AVAILABLE


  		





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    def is_reserved(self, value, index=False):


  		





  
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        if not self.contains(value, index=index):


  		





  
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            raise InvalidValue("%s does not belong to pool." % value)


  		





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        if not index:


  		





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            idx = self.value_to_index(value)


  		





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        else:


  		












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