Pretty-printing types

[jpivarski]

For example,

>>> import awkward._v2 as ak
>>> expert_fields = ak.from_parquet("s3://pivarski-princeton/argo-floats-expert.parquet", row_groups=[0])

>>> print(expert_fields.type)
10000 * {latitude: float64, longitude: float64, time: datetime64[us], levels: var * {pres: float32,
pres_adjusted: float32, pres_adjusted_error: float32, pres_adjusted_qc: string, pres_qc: string,
psal: float32, psal_adjusted: float32, psal_adjusted_error: float32, psal_adjusted_qc: string,
psal_qc: string, temp: float32, temp_adjusted: float32, temp_adjusted_error: float32,
temp_adjusted_qc: string, temp_qc: string}, config_mission_number: int32, cycle_number: int32,
data_centre: string, data_mode: string, data_state_indicator: string, dc_reference: string,
direction: string, firmware_version: string, float_serial_no: string, pi_name: string,
platform_number: int32, platform_type: string, positioning_system: string, position_qc: string,
profile_pres_qc: string, profile_psal_qc: string, profile_temp_qc: string, project_name: string,
time_location: datetime64[us], time_qc: string, vertical_sampling_scheme: string, wmo_inst_type: int16}

>>> expert_fields.type.show()
10000 * {
    latitude: float64,
    longitude: float64,
    time: datetime64[us],
    levels: var * {
        pres: float32,
        pres_adjusted: float32,
        pres_adjusted_error: float32,
        pres_adjusted_qc: string,
        pres_qc: string,
        psal: float32,
        psal_adjusted: float32,
        psal_adjusted_error: float32,
        psal_adjusted_qc: string,
        psal_qc: string,
        temp: float32,
        temp_adjusted: float32,
        temp_adjusted_error: float32,
        temp_adjusted_qc: string,
        temp_qc: string
    },
    config_mission_number: int32,
    cycle_number: int32,
    data_centre: string,
    data_mode: string,
    data_state_indicator: string,
    dc_reference: string,
    direction: string,
    firmware_version: string,
    float_serial_no: string,
    pi_name: string,
    platform_number: int32,
    platform_type: string,
    positioning_system: string,
    position_qc: string,
    profile_pres_qc: string,
    profile_psal_qc: string,
    profile_temp_qc: string,
    project_name: string,
    time_location: datetime64[us],
    time_qc: string,
    vertical_sampling_scheme: string,
    wmo_inst_type: int16
}

[codecov]

Codecov Report

Merging #1430 (7f733d5) into main (edfce38) will decrease coverage by 0.66%.
The diff coverage is 50.00%.

Impacted Files	Coverage Δ
src/awkward/_v2/_connect/cuda/__init__.py	0.00% <0.00%> (ø)
src/awkward/_v2/_connect/jax/__init__.py	0.00% <0.00%> (ø)
src/awkward/_v2/contents/content.py	81.91% <0.00%> (-0.13%)	⬇️
src/awkward/_v2/operations/convert/ak_from_cupy.py	50.00% <0.00%> (+23.33%)	⬆️
src/awkward/_v2/operations/convert/ak_from_iter.py	93.75% <ø> (ø)
src/awkward/_v2/operations/convert/ak_from_jax.py	50.00% <0.00%> (-25.00%)	⬇️
src/awkward/_v2/operations/convert/ak_to_cupy.py	33.33% <0.00%> (+23.95%)	⬆️
src/awkward/_v2/operations/convert/ak_to_jax.py	33.33% <0.00%> (-41.67%)	⬇️
src/awkward/_v2/operations/describe/ak_backend.py	10.00% <0.00%> (-2.50%)	⬇️
src/awkward/_v2/operations/reducers/ak_count.py	95.83% <ø> (ø)
... and 54 more