| 43 | ) |
| 44 | @pytest.mark.parametrize("gettz", [gettz_dateutil, gettz_pytz]) |
| 45 | def test_append_with_timezones(temp_hdfstore, gettz): |
| 46 | # as columns |
| 47 | |
| 48 | # Single-tzinfo, no DST transition |
| 49 | df_est = DataFrame( |
| 50 | { |
| 51 | "A": [ |
| 52 | Timestamp("20130102 2:00:00", tz=gettz("US/Eastern")).as_unit("ns") |
| 53 | + timedelta(hours=1) * i |
| 54 | for i in range(5) |
| 55 | ] |
| 56 | } |
| 57 | ) |
| 58 | |
| 59 | # frame with all columns having same tzinfo, but different sides |
| 60 | # of DST transition |
| 61 | df_crosses_dst = DataFrame( |
| 62 | { |
| 63 | "A": Timestamp("20130102", tz=gettz("US/Eastern")).as_unit("ns"), |
| 64 | "B": Timestamp("20130603", tz=gettz("US/Eastern")).as_unit("ns"), |
| 65 | }, |
| 66 | index=range(5), |
| 67 | ) |
| 68 | |
| 69 | df_mixed_tz = DataFrame( |
| 70 | { |
| 71 | "A": Timestamp("20130102", tz=gettz("US/Eastern")).as_unit("ns"), |
| 72 | "B": Timestamp("20130102", tz=gettz("EET")).as_unit("ns"), |
| 73 | }, |
| 74 | index=range(5), |
| 75 | ) |
| 76 | |
| 77 | df_different_tz = DataFrame( |
| 78 | { |
| 79 | "A": Timestamp("20130102", tz=gettz("US/Eastern")).as_unit("ns"), |
| 80 | "B": Timestamp("20130102", tz=gettz("CET")).as_unit("ns"), |
| 81 | }, |
| 82 | index=range(5), |
| 83 | ) |
| 84 | |
| 85 | temp_hdfstore.append("df_tz", df_est, data_columns=["A"]) |
| 86 | result = temp_hdfstore["df_tz"] |
| 87 | _compare_with_tz(result, df_est) |
| 88 | tm.assert_frame_equal(result, df_est) |
| 89 | |
| 90 | # select with tz aware |
| 91 | expected = df_est[df_est.A >= df_est.A[3]] |
| 92 | result = temp_hdfstore.select("df_tz", where="A>=df_est.A[3]") |
| 93 | _compare_with_tz(result, expected) |
| 94 | |
| 95 | # ensure we include dates in DST and STD time here. |
| 96 | temp_hdfstore.remove("df_tz") |
| 97 | temp_hdfstore.append("df_tz", df_crosses_dst) |
| 98 | result = temp_hdfstore["df_tz"] |
| 99 | _compare_with_tz(result, df_crosses_dst) |
| 100 | tm.assert_frame_equal(result, df_crosses_dst) |
| 101 | |
| 102 | msg = ( |