コード例 #1
0
ファイル: hdf.py プロジェクト: Itay4/pandas
class HDFStoreDataFrame(BaseIO):

    def setup(self):
        N = 25000
        index = tm.makeStringIndex(N)
        self.df = DataFrame({'float1': np.random.randn(N),
                             'float2': np.random.randn(N)},
                            index=index)
        self.df_mixed = DataFrame({'float1': np.random.randn(N),
                                   'float2': np.random.randn(N),
                                   'string1': ['foo'] * N,
                                   'bool1': [True] * N,
                                   'int1': np.random.randint(0, N, size=N)},
                                  index=index)
        self.df_wide = DataFrame(np.random.randn(N, 100))
        self.start_wide = self.df_wide.index[10000]
        self.stop_wide = self.df_wide.index[15000]
        self.df2 = DataFrame({'float1': np.random.randn(N),
                              'float2': np.random.randn(N)},
                             index=date_range('1/1/2000', periods=N))
        self.start = self.df2.index[10000]
        self.stop = self.df2.index[15000]
        self.df_wide2 = DataFrame(np.random.randn(N, 100),
                                  index=date_range('1/1/2000', periods=N))
        self.df_dc = DataFrame(np.random.randn(N, 10),
                               columns=['C%03d' % i for i in range(10)])

        self.fname = '__test__.h5'

        self.store = HDFStore(self.fname)
        self.store.put('fixed', self.df)
        self.store.put('fixed_mixed', self.df_mixed)
        self.store.append('table', self.df2)
        self.store.append('table_mixed', self.df_mixed)
        self.store.append('table_wide', self.df_wide)
        self.store.append('table_wide2', self.df_wide2)

    def teardown(self):
        self.store.close()
        self.remove(self.fname)

    def time_read_store(self):
        self.store.get('fixed')

    def time_read_store_mixed(self):
        self.store.get('fixed_mixed')

    def time_write_store(self):
        self.store.put('fixed_write', self.df)

    def time_write_store_mixed(self):
        self.store.put('fixed_mixed_write', self.df_mixed)

    def time_read_store_table_mixed(self):
        self.store.select('table_mixed')

    def time_write_store_table_mixed(self):
        self.store.append('table_mixed_write', self.df_mixed)

    def time_read_store_table(self):
        self.store.select('table')

    def time_write_store_table(self):
        self.store.append('table_write', self.df)

    def time_read_store_table_wide(self):
        self.store.select('table_wide')

    def time_write_store_table_wide(self):
        self.store.append('table_wide_write', self.df_wide)

    def time_write_store_table_dc(self):
        self.store.append('table_dc_write', self.df_dc, data_columns=True)

    def time_query_store_table_wide(self):
        self.store.select('table_wide', where="index > self.start_wide and "
                                              "index < self.stop_wide")

    def time_query_store_table(self):
        self.store.select('table', where="index > self.start and "
                                         "index < self.stop")

    def time_store_repr(self):
        repr(self.store)

    def time_store_str(self):
        str(self.store)

    def time_store_info(self):
        self.store.info()
コード例 #2
0
ファイル: test_file_handling.py プロジェクト: Aathi410/Pro123
def test_multiple_open_close(setup_path):
    # gh-4409: open & close multiple times

    with ensure_clean_path(setup_path) as path:

        df = tm.makeDataFrame()
        df.to_hdf(path, "df", mode="w", format="table")

        # single
        store = HDFStore(path)
        assert "CLOSED" not in store.info()
        assert store.is_open

        store.close()
        assert "CLOSED" in store.info()
        assert not store.is_open

    with ensure_clean_path(setup_path) as path:

        if pytables._table_file_open_policy_is_strict:
            # multiples
            store1 = HDFStore(path)
            msg = (
                r"The file [\S]* is already opened\.  Please close it before "
                r"reopening in write mode\."
            )
            with pytest.raises(ValueError, match=msg):
                HDFStore(path)

            store1.close()
        else:

            # multiples
            store1 = HDFStore(path)
            store2 = HDFStore(path)

            assert "CLOSED" not in store1.info()
            assert "CLOSED" not in store2.info()
            assert store1.is_open
            assert store2.is_open

            store1.close()
            assert "CLOSED" in store1.info()
            assert not store1.is_open
            assert "CLOSED" not in store2.info()
            assert store2.is_open

            store2.close()
            assert "CLOSED" in store1.info()
            assert "CLOSED" in store2.info()
            assert not store1.is_open
            assert not store2.is_open

            # nested close
            store = HDFStore(path, mode="w")
            store.append("df", df)

            store2 = HDFStore(path)
            store2.append("df2", df)
            store2.close()
            assert "CLOSED" in store2.info()
            assert not store2.is_open

            store.close()
            assert "CLOSED" in store.info()
            assert not store.is_open

            # double closing
            store = HDFStore(path, mode="w")
            store.append("df", df)

            store2 = HDFStore(path)
            store.close()
            assert "CLOSED" in store.info()
            assert not store.is_open

            store2.close()
            assert "CLOSED" in store2.info()
            assert not store2.is_open

    # ops on a closed store
    with ensure_clean_path(setup_path) as path:

        df = tm.makeDataFrame()
        df.to_hdf(path, "df", mode="w", format="table")

        store = HDFStore(path)
        store.close()

        msg = r"[\S]* file is not open!"
        with pytest.raises(ClosedFileError, match=msg):
            store.keys()

        with pytest.raises(ClosedFileError, match=msg):
            "df" in store

        with pytest.raises(ClosedFileError, match=msg):
            len(store)

        with pytest.raises(ClosedFileError, match=msg):
            store["df"]

        with pytest.raises(ClosedFileError, match=msg):
            store.select("df")

        with pytest.raises(ClosedFileError, match=msg):
            store.get("df")

        with pytest.raises(ClosedFileError, match=msg):
            store.append("df2", df)

        with pytest.raises(ClosedFileError, match=msg):
            store.put("df3", df)

        with pytest.raises(ClosedFileError, match=msg):
            store.get_storer("df2")

        with pytest.raises(ClosedFileError, match=msg):
            store.remove("df2")

        with pytest.raises(ClosedFileError, match=msg):
            store.select("df")

        msg = "'HDFStore' object has no attribute 'df'"
        with pytest.raises(AttributeError, match=msg):
            store.df
コード例 #3
0
ファイル: hdf.py プロジェクト: zhuomingliang/pandas
class HDFStoreDataFrame(BaseIO):

    goal_time = 0.2

    def setup(self):
        N = 25000
        index = tm.makeStringIndex(N)
        self.df = DataFrame(
            {
                'float1': np.random.randn(N),
                'float2': np.random.randn(N)
            },
            index=index)
        self.df_mixed = DataFrame(
            {
                'float1': np.random.randn(N),
                'float2': np.random.randn(N),
                'string1': ['foo'] * N,
                'bool1': [True] * N,
                'int1': np.random.randint(0, N, size=N)
            },
            index=index)
        self.df_wide = DataFrame(np.random.randn(N, 100))
        self.start_wide = self.df_wide.index[10000]
        self.stop_wide = self.df_wide.index[15000]
        self.df2 = DataFrame(
            {
                'float1': np.random.randn(N),
                'float2': np.random.randn(N)
            },
            index=date_range('1/1/2000', periods=N))
        self.start = self.df2.index[10000]
        self.stop = self.df2.index[15000]
        self.df_wide2 = DataFrame(np.random.randn(N, 100),
                                  index=date_range('1/1/2000', periods=N))
        self.df_dc = DataFrame(np.random.randn(N, 10),
                               columns=['C%03d' % i for i in range(10)])

        self.fname = '__test__.h5'

        self.store = HDFStore(self.fname)
        self.store.put('fixed', self.df)
        self.store.put('fixed_mixed', self.df_mixed)
        self.store.append('table', self.df2)
        self.store.append('table_mixed', self.df_mixed)
        self.store.append('table_wide', self.df_wide)
        self.store.append('table_wide2', self.df_wide2)

    def teardown(self):
        self.store.close()
        self.remove(self.fname)

    def time_read_store(self):
        self.store.get('fixed')

    def time_read_store_mixed(self):
        self.store.get('fixed_mixed')

    def time_write_store(self):
        self.store.put('fixed_write', self.df)

    def time_write_store_mixed(self):
        self.store.put('fixed_mixed_write', self.df_mixed)

    def time_read_store_table_mixed(self):
        self.store.select('table_mixed')

    def time_write_store_table_mixed(self):
        self.store.append('table_mixed_write', self.df_mixed)

    def time_read_store_table(self):
        self.store.select('table')

    def time_write_store_table(self):
        self.store.append('table_write', self.df)

    def time_read_store_table_wide(self):
        self.store.select('table_wide')

    def time_write_store_table_wide(self):
        self.store.append('table_wide_write', self.df_wide)

    def time_write_store_table_dc(self):
        self.store.append('table_dc_write', self.df_dc, data_columns=True)

    def time_query_store_table_wide(self):
        self.store.select('table_wide',
                          where="index > self.start_wide and "
                          "index < self.stop_wide")

    def time_query_store_table(self):
        self.store.select('table',
                          where="index > self.start and "
                          "index < self.stop")

    def time_store_repr(self):
        repr(self.store)

    def time_store_str(self):
        str(self.store)

    def time_store_info(self):
        self.store.info()
コード例 #4
0
ファイル: hdf.py プロジェクト: ygene2/pandas
class HDFStoreDataFrame(BaseIO):
    def setup(self):
        N = 25000
        index = tm.makeStringIndex(N)
        self.df = DataFrame(
            {"float1": np.random.randn(N), "float2": np.random.randn(N)}, index=index
        )
        self.df_mixed = DataFrame(
            {
                "float1": np.random.randn(N),
                "float2": np.random.randn(N),
                "string1": ["foo"] * N,
                "bool1": [True] * N,
                "int1": np.random.randint(0, N, size=N),
            },
            index=index,
        )
        self.df_wide = DataFrame(np.random.randn(N, 100))
        self.start_wide = self.df_wide.index[10000]
        self.stop_wide = self.df_wide.index[15000]
        self.df2 = DataFrame(
            {"float1": np.random.randn(N), "float2": np.random.randn(N)},
            index=date_range("1/1/2000", periods=N),
        )
        self.start = self.df2.index[10000]
        self.stop = self.df2.index[15000]
        self.df_wide2 = DataFrame(
            np.random.randn(N, 100), index=date_range("1/1/2000", periods=N)
        )
        self.df_dc = DataFrame(
            np.random.randn(N, 10), columns=["C%03d" % i for i in range(10)]
        )

        self.fname = "__test__.h5"

        self.store = HDFStore(self.fname)
        self.store.put("fixed", self.df)
        self.store.put("fixed_mixed", self.df_mixed)
        self.store.append("table", self.df2)
        self.store.append("table_mixed", self.df_mixed)
        self.store.append("table_wide", self.df_wide)
        self.store.append("table_wide2", self.df_wide2)

    def teardown(self):
        self.store.close()
        self.remove(self.fname)

    def time_read_store(self):
        self.store.get("fixed")

    def time_read_store_mixed(self):
        self.store.get("fixed_mixed")

    def time_write_store(self):
        self.store.put("fixed_write", self.df)

    def time_write_store_mixed(self):
        self.store.put("fixed_mixed_write", self.df_mixed)

    def time_read_store_table_mixed(self):
        self.store.select("table_mixed")

    def time_write_store_table_mixed(self):
        self.store.append("table_mixed_write", self.df_mixed)

    def time_read_store_table(self):
        self.store.select("table")

    def time_write_store_table(self):
        self.store.append("table_write", self.df)

    def time_read_store_table_wide(self):
        self.store.select("table_wide")

    def time_write_store_table_wide(self):
        self.store.append("table_wide_write", self.df_wide)

    def time_write_store_table_dc(self):
        self.store.append("table_dc_write", self.df_dc, data_columns=True)

    def time_query_store_table_wide(self):
        self.store.select(
            "table_wide", where="index > self.start_wide and index < self.stop_wide"
        )

    def time_query_store_table(self):
        self.store.select("table", where="index > self.start and index < self.stop")

    def time_store_repr(self):
        repr(self.store)

    def time_store_str(self):
        str(self.store)

    def time_store_info(self):
        self.store.info()