Remove unused BitFieldOperation in client.py (#1590)

Author: Andrew-Chen-Wang

redis/client.py

@@ -1862,100 +1862,3 @@ def __call__(self, keys=[], args=[], client=None):
             # Overwrite the sha just in case there was a discrepancy.
             self.sha = client.script_load(self.script)
             return client.evalsha(self.sha, len(keys), *args)
-
-
-class BitFieldOperation:
-    """
-    Command builder for BITFIELD commands.
-    """
-    def __init__(self, client, key, default_overflow=None):
-        self.client = client
-        self.key = key
-        self._default_overflow = default_overflow
-        self.reset()
-
-    def reset(self):
-        """
-        Reset the state of the instance to when it was constructed
-        """
-        self.operations = []
-        self._last_overflow = 'WRAP'
-        self.overflow(self._default_overflow or self._last_overflow)
-
-    def overflow(self, overflow):
-        """
-        Update the overflow algorithm of successive INCRBY operations
-        :param overflow: Overflow algorithm, one of WRAP, SAT, FAIL. See the
-            Redis docs for descriptions of these algorithmsself.
-        :returns: a :py:class:`BitFieldOperation` instance.
-        """
-        overflow = overflow.upper()
-        if overflow != self._last_overflow:
-            self._last_overflow = overflow
-            self.operations.append(('OVERFLOW', overflow))
-        return self
-
-    def incrby(self, fmt, offset, increment, overflow=None):
-        """
-        Increment a bitfield by a given amount.
-        :param fmt: format-string for the bitfield being updated, e.g. 'u8'
-            for an unsigned 8-bit integer.
-        :param offset: offset (in number of bits). If prefixed with a
-            '#', this is an offset multiplier, e.g. given the arguments
-            fmt='u8', offset='#2', the offset will be 16.
-        :param int increment: value to increment the bitfield by.
-        :param str overflow: overflow algorithm. Defaults to WRAP, but other
-            acceptable values are SAT and FAIL. See the Redis docs for
-            descriptions of these algorithms.
-        :returns: a :py:class:`BitFieldOperation` instance.
-        """
-        if overflow is not None:
-            self.overflow(overflow)
-
-        self.operations.append(('INCRBY', fmt, offset, increment))
-        return self
-
-    def get(self, fmt, offset):
-        """
-        Get the value of a given bitfield.
-        :param fmt: format-string for the bitfield being read, e.g. 'u8' for
-            an unsigned 8-bit integer.
-        :param offset: offset (in number of bits). If prefixed with a
-            '#', this is an offset multiplier, e.g. given the arguments
-            fmt='u8', offset='#2', the offset will be 16.
-        :returns: a :py:class:`BitFieldOperation` instance.
-        """
-        self.operations.append(('GET', fmt, offset))
-        return self
-
-    def set(self, fmt, offset, value):
-        """
-        Set the value of a given bitfield.
-        :param fmt: format-string for the bitfield being read, e.g. 'u8' for
-            an unsigned 8-bit integer.
-        :param offset: offset (in number of bits). If prefixed with a
-            '#', this is an offset multiplier, e.g. given the arguments
-            fmt='u8', offset='#2', the offset will be 16.
-        :param int value: value to set at the given position.
-        :returns: a :py:class:`BitFieldOperation` instance.
-        """
-        self.operations.append(('SET', fmt, offset, value))
-        return self
-
-    @property
-    def command(self):
-        cmd = ['BITFIELD', self.key]
-        for ops in self.operations:
-            cmd.extend(ops)
-        return cmd
-
-    def execute(self):
-        """
-        Execute the operation(s) in a single BITFIELD command. The return value
-        is a list of values corresponding to each operation. If the client
-        used to create this instance was a pipeline, the list of values
-        will be present within the pipeline's execute.
-        """
-        command = self.command
-        self.reset()
-        return self.client.execute_command(*command)