Python pandas.core.internals.concatenate_block_managers() Examples

The following are 5 code examples of pandas.core.internals.concatenate_block_managers(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module pandas.core.internals , or try the search function .
Example #1
Source File: concat.py    From recruit with Apache License 2.0 4 votes vote down vote up 
def get_result(self):

        # series only
        if self._is_series:

            # stack blocks
            if self.axis == 0:
                name = com.consensus_name_attr(self.objs)

                mgr = self.objs[0]._data.concat([x._data for x in self.objs],
                                                self.new_axes)
                cons = _concat._get_series_result_type(mgr, self.objs)
                return cons(mgr, name=name).__finalize__(self, method='concat')

            # combine as columns in a frame
            else:
                data = dict(zip(range(len(self.objs)), self.objs))
                cons = _concat._get_series_result_type(data)

                index, columns = self.new_axes
                df = cons(data, index=index)
                df.columns = columns
                return df.__finalize__(self, method='concat')

        # combine block managers
        else:
            mgrs_indexers = []
            for obj in self.objs:
                mgr = obj._data
                indexers = {}
                for ax, new_labels in enumerate(self.new_axes):
                    if ax == self.axis:
                        # Suppress reindexing on concat axis
                        continue

                    obj_labels = mgr.axes[ax]
                    if not new_labels.equals(obj_labels):
                        indexers[ax] = obj_labels.reindex(new_labels)[1]

                mgrs_indexers.append((obj._data, indexers))

            new_data = concatenate_block_managers(
                mgrs_indexers, self.new_axes, concat_axis=self.axis,
                copy=self.copy)
            if not self.copy:
                new_data._consolidate_inplace()

            cons = _concat._get_frame_result_type(new_data, self.objs)
            return (cons._from_axes(new_data, self.new_axes)
                    .__finalize__(self, method='concat'))
Example #2
Source File: concat.py    From vnpy_crypto with MIT License 4 votes vote down vote up 
def get_result(self):

        # series only
        if self._is_series:

            # stack blocks
            if self.axis == 0:
                name = com._consensus_name_attr(self.objs)

                mgr = self.objs[0]._data.concat([x._data for x in self.objs],
                                                self.new_axes)
                cons = _concat._get_series_result_type(mgr, self.objs)
                return cons(mgr, name=name).__finalize__(self, method='concat')

            # combine as columns in a frame
            else:
                data = dict(zip(range(len(self.objs)), self.objs))
                cons = _concat._get_series_result_type(data)

                index, columns = self.new_axes
                df = cons(data, index=index)
                df.columns = columns
                return df.__finalize__(self, method='concat')

        # combine block managers
        else:
            mgrs_indexers = []
            for obj in self.objs:
                mgr = obj._data
                indexers = {}
                for ax, new_labels in enumerate(self.new_axes):
                    if ax == self.axis:
                        # Suppress reindexing on concat axis
                        continue

                    obj_labels = mgr.axes[ax]
                    if not new_labels.equals(obj_labels):
                        indexers[ax] = obj_labels.reindex(new_labels)[1]

                mgrs_indexers.append((obj._data, indexers))

            new_data = concatenate_block_managers(
                mgrs_indexers, self.new_axes, concat_axis=self.axis,
                copy=self.copy)
            if not self.copy:
                new_data._consolidate_inplace()

            cons = _concat._get_frame_result_type(new_data, self.objs)
            return (cons._from_axes(new_data, self.new_axes)
                    .__finalize__(self, method='concat'))
Example #3
Source File: concat.py    From predictive-maintenance-using-machine-learning with Apache License 2.0 4 votes vote down vote up 
def get_result(self):

        # series only
        if self._is_series:

            # stack blocks
            if self.axis == 0:
                name = com.consensus_name_attr(self.objs)

                mgr = self.objs[0]._data.concat([x._data for x in self.objs],
                                                self.new_axes)
                cons = _concat._get_series_result_type(mgr, self.objs)
                return cons(mgr, name=name).__finalize__(self, method='concat')

            # combine as columns in a frame
            else:
                data = dict(zip(range(len(self.objs)), self.objs))
                cons = _concat._get_series_result_type(data)

                index, columns = self.new_axes
                df = cons(data, index=index)
                df.columns = columns
                return df.__finalize__(self, method='concat')

        # combine block managers
        else:
            mgrs_indexers = []
            for obj in self.objs:
                mgr = obj._data
                indexers = {}
                for ax, new_labels in enumerate(self.new_axes):
                    if ax == self.axis:
                        # Suppress reindexing on concat axis
                        continue

                    obj_labels = mgr.axes[ax]
                    if not new_labels.equals(obj_labels):
                        indexers[ax] = obj_labels.reindex(new_labels)[1]

                mgrs_indexers.append((obj._data, indexers))

            new_data = concatenate_block_managers(
                mgrs_indexers, self.new_axes, concat_axis=self.axis,
                copy=self.copy)
            if not self.copy:
                new_data._consolidate_inplace()

            cons = _concat._get_frame_result_type(new_data, self.objs)
            return (cons._from_axes(new_data, self.new_axes)
                    .__finalize__(self, method='concat'))
Example #4
Source File: concat.py    From Splunking-Crime with GNU Affero General Public License v3.0 4 votes vote down vote up 
def get_result(self):

        # series only
        if self._is_series:

            # stack blocks
            if self.axis == 0:
                name = com._consensus_name_attr(self.objs)

                mgr = self.objs[0]._data.concat([x._data for x in self.objs],
                                                self.new_axes)
                cons = _concat._get_series_result_type(mgr, self.objs)
                return cons(mgr, name=name).__finalize__(self, method='concat')

            # combine as columns in a frame
            else:
                data = dict(zip(range(len(self.objs)), self.objs))
                cons = _concat._get_series_result_type(data)

                index, columns = self.new_axes
                df = cons(data, index=index)
                df.columns = columns
                return df.__finalize__(self, method='concat')

        # combine block managers
        else:
            mgrs_indexers = []
            for obj in self.objs:
                mgr = obj._data
                indexers = {}
                for ax, new_labels in enumerate(self.new_axes):
                    if ax == self.axis:
                        # Suppress reindexing on concat axis
                        continue

                    obj_labels = mgr.axes[ax]
                    if not new_labels.equals(obj_labels):
                        indexers[ax] = obj_labels.reindex(new_labels)[1]

                mgrs_indexers.append((obj._data, indexers))

            new_data = concatenate_block_managers(
                mgrs_indexers, self.new_axes, concat_axis=self.axis,
                copy=self.copy)
            if not self.copy:
                new_data._consolidate_inplace()

            cons = _concat._get_frame_result_type(new_data, self.objs)
            return (cons._from_axes(new_data, self.new_axes)
                    .__finalize__(self, method='concat'))
Example #5
Source File: concat.py    From elasticintel with GNU General Public License v3.0 4 votes vote down vote up 
def get_result(self):

        # series only
        if self._is_series:

            # stack blocks
            if self.axis == 0:
                name = com._consensus_name_attr(self.objs)

                mgr = self.objs[0]._data.concat([x._data for x in self.objs],
                                                self.new_axes)
                cons = _concat._get_series_result_type(mgr, self.objs)
                return cons(mgr, name=name).__finalize__(self, method='concat')

            # combine as columns in a frame
            else:
                data = dict(zip(range(len(self.objs)), self.objs))
                cons = _concat._get_series_result_type(data)

                index, columns = self.new_axes
                df = cons(data, index=index)
                df.columns = columns
                return df.__finalize__(self, method='concat')

        # combine block managers
        else:
            mgrs_indexers = []
            for obj in self.objs:
                mgr = obj._data
                indexers = {}
                for ax, new_labels in enumerate(self.new_axes):
                    if ax == self.axis:
                        # Suppress reindexing on concat axis
                        continue

                    obj_labels = mgr.axes[ax]
                    if not new_labels.equals(obj_labels):
                        indexers[ax] = obj_labels.reindex(new_labels)[1]

                mgrs_indexers.append((obj._data, indexers))

            new_data = concatenate_block_managers(
                mgrs_indexers, self.new_axes, concat_axis=self.axis,
                copy=self.copy)
            if not self.copy:
                new_data._consolidate_inplace()

            cons = _concat._get_frame_result_type(new_data, self.objs)
            return (cons._from_axes(new_data, self.new_axes)
                    .__finalize__(self, method='concat'))