Update np.random usages

satpy/tests/reader_tests/_li_test_utils.py

@@ -20,6 +20,7 @@
 import xarray as xr
 
 from satpy.tests.reader_tests.test_netcdf_utils import FakeNetCDF4FileHandler
+from satpy.tests.utils import RANDOM_GEN
 
 # mapping of netcdf type code to numpy data type:
 TYPE_MAP = {
@@ -44,7 +45,7 @@ def l2_le_schema(settings=None):
     nfilters = settings.get("num_filters", 2)
 
     def rand_u16(num):
-        return np.random.randint(low=0, high=np.iinfo(np.uint16).max - 1, size=num, dtype=np.uint16)
+        return RANDOM_GEN.integers(low=0, high=np.iinfo(np.uint16).max - 1, size=num, dtype=np.uint16)
 
     return {
         "providers": settings.get("providers", {}),
@@ -100,7 +101,7 @@ def rand_u16(num):
                 "scale_factor": 0.004,
                 "add_offset": 0.0,
                 "long_name": "L2 filter results",
-                "default_data": lambda: np.random.randint(low=0, high=255, size=(nobs, nfilters), dtype=np.uint8)
+                "default_data": lambda: RANDOM_GEN.integers(low=0, high=255, size=(nobs, nfilters), dtype=np.uint8)
             },
             "epoch_time": {
                 "format": "f8",
@@ -212,13 +213,13 @@ def l2_lef_schema(settings=None):
                 "long_name": "Radiance of Flash",
                 "standard_name": "radiance",
                 "units": "mW.m-2.sr-1",
-                "default_data": lambda: np.clip(np.round(np.random.normal(500, 100, nobs)), 1, 2 ** 16 - 1)
+                "default_data": lambda: np.clip(np.round(RANDOM_GEN.normal(500, 100, nobs)), 1, 2 ** 16 - 1)
             },
             "event_filter_qa": {
                 "format": "u1",
                 "shape": ("events",),
                 "long_name": "L2 event pre-filtering quality assurance value",
-                "default_data": lambda: np.random.randint(1, 2 ** 8 - 1, nobs)
+                "default_data": lambda: RANDOM_GEN.integers(1, 2 ** 8 - 1, nobs)
             },
             "epoch_time": {
                 "format": "f8",
@@ -232,21 +233,21 @@ def l2_lef_schema(settings=None):
                 "shape": ("events",),
                 "long_name": "Time offset from epoch time",
                 "units": "seconds",
-                "default_data": lambda: np.random.uniform(1, 2 ** 31 - 1, nobs)
+                "default_data": lambda: RANDOM_GEN.uniform(1, 2 ** 31 - 1, nobs)
             },
             "detector_row": {
                 "format": "u2",
                 "shape": ("events",),
                 "long_name": "Detector row position of event pixel",
                 "units": "1",
-                "default_data": lambda: np.random.randint(1, 1000, nobs)
+                "default_data": lambda: RANDOM_GEN.integers(1, 1000, nobs)
             },
             "detector_column": {
                 "format": "u2",
                 "shape": ("events",),
                 "long_name": "Detector column position of event pixel",
                 "units": "1",
-                "default_data": lambda: np.random.randint(1, 1000, nobs)
+                "default_data": lambda: RANDOM_GEN.integers(1, 1000, nobs)
             },
         }
     }
@@ -328,7 +329,7 @@ def l2_lfl_schema(settings=None):
                 "long_name": "Radiance of Flash",
                 "standard_name": "radiance",
                 "units": "mW.m-2.sr-1",
-                "default_data": lambda: np.round(np.random.normal(500, 100, nobs))
+                "default_data": lambda: np.round(RANDOM_GEN.normal(500, 100, nobs))
             },
             "flash_duration": {
                 "format": "u2",
@@ -343,15 +344,15 @@ def l2_lfl_schema(settings=None):
                 "shape": ("flashes",),
                 "long_name": "L2 filtered flash confidence",
                 "standard_name": "flash_filter_confidence",
-                "default_data": lambda: np.clip(np.round(np.random.normal(20, 10, nobs)), 1, 2 ** 7 - 1)
+                "default_data": lambda: np.clip(np.round(RANDOM_GEN.normal(20, 10, nobs)), 1, 2 ** 7 - 1)
             },
             "flash_footprint": {
                 "format": "u2",
                 "shape": ("flashes",),
                 "long_name": "Flash footprint size",
                 "standard_name": "flash_footprint",
                 "units": "L1 grid pixels",
-                "default_data": lambda: np.maximum(1, np.round(np.random.normal(5, 3, nobs)))
+                "default_data": lambda: np.maximum(1, np.round(RANDOM_GEN.normal(5, 3, nobs)))
             },
             "flash_id": {
                 "format": "u4",
@@ -367,7 +368,7 @@ def l2_lfl_schema(settings=None):
                 "units": "seconds since 2000-01-01 00:00:00.0",
                 "standard_name": "time",
                 "precision": "1 millisecond",
-                "default_data": lambda: np.random.uniform(stime, etime, nobs)
+                "default_data": lambda: RANDOM_GEN.uniform(stime, etime, nobs)
             },
             "l1b_geolocation_warning": {
                 "format": "i1",
@@ -437,7 +438,7 @@ def l2_af_schema(settings=None):
             "flash_accumulation": {
                 "format": "u2",
                 "shape": ("pixels",),
-                "default_data": lambda: np.clip(np.round(np.random.normal(1, 2, nobs)), 1, 2 ** 16 - 1)
+                "default_data": lambda: np.clip(np.round(RANDOM_GEN.normal(1, 2, nobs)), 1, 2 ** 16 - 1)
             },
             "mtg_geos_projection": mtg_geos_projection(),
             "x": fci_grid_definition("X", nobs),
@@ -495,7 +496,7 @@ def l2_afr_schema(settings=None):
                 "long_name": "Area averaged flash radiance accumulation",
                 "grid_mapping": "mtg_geos_projection",
                 "coordinate": "sparse: x y",
-                "default_data": lambda: np.random.randint(low=1, high=6548, size=(120), dtype=np.int16)
+                "default_data": lambda: RANDOM_GEN.integers(low=1, high=6548, size=(120), dtype=np.int16)
             },
             "accumulation_start_times": {
                 "format": "f4",
@@ -538,7 +539,7 @@ def fci_grid_definition(axis, nobs):
         "standard_name": standard_name,
         "units": "radian",
         "valid_range": np.asarray([1, 5568]),
-        "default_data": lambda: np.clip(np.round(np.random.normal(2000, 500, nobs)), 1, 2 ** 16 - 1)
+        "default_data": lambda: np.clip(np.round(RANDOM_GEN.normal(2000, 500, nobs)), 1, 2 ** 16 - 1)
     }
 
 

satpy/tests/reader_tests/test_epic_l1b_h5.py

@@ -25,14 +25,15 @@
 import pytest
 
 from satpy.readers.epic_l1b_h5 import CALIB_COEFS
-
-b317_data = np.random.uniform(low=0, high=5200, size=(100, 100))
-b688_data = np.random.uniform(low=0, high=5200, size=(100, 100))
-sza_data = np.random.uniform(low=0, high=100, size=(100, 100))
-vaa_data = np.random.uniform(low=-180, high=180, size=(100, 100))
-lon_data = np.random.uniform(low=-90, high=90, size=(100, 100))
-lat_data = np.random.uniform(low=-180, high=180, size=(100, 100))
-mas_data = np.random.choice([0, 1], size=(100, 100))
+from satpy.tests.utils import RANDOM_GEN
+
+b317_data = RANDOM_GEN.uniform(low=0, high=5200, size=(100, 100))
+b688_data = RANDOM_GEN.uniform(low=0, high=5200, size=(100, 100))
+sza_data = RANDOM_GEN.uniform(low=0, high=100, size=(100, 100))
+vaa_data = RANDOM_GEN.uniform(low=-180, high=180, size=(100, 100))
+lon_data = RANDOM_GEN.uniform(low=-90, high=90, size=(100, 100))
+lat_data = RANDOM_GEN.uniform(low=-180, high=180, size=(100, 100))
+mas_data = RANDOM_GEN.choice([0, 1], size=(100, 100))
 
 
 @pytest.fixture()

satpy/tests/reader_tests/test_generic_image.py

@@ -24,7 +24,7 @@
 import pytest
 import xarray as xr
 
-from satpy.tests.utils import make_dataid
+from satpy.tests.utils import RANDOM_GEN, make_dataid
 
 
 class TestGenericImage(unittest.TestCase):
@@ -62,7 +62,7 @@ def setUp(self):
         a__[:10, :10] = 0
         a__ = da.from_array(a__, chunks=(50, 50))
 
-        r_nan__ = np.random.uniform(0., 1., size=(self.y_size, self.x_size))
+        r_nan__ = RANDOM_GEN.uniform(0., 1., size=(self.y_size, self.x_size))
         r_nan__[:10, :10] = np.nan
         r_nan__ = da.from_array(r_nan__, chunks=(50, 50))
 

satpy/tests/reader_tests/test_goci2_l2_nc.py

@@ -24,6 +24,7 @@
 from pytest_lazyfixture import lazy_fixture
 
 from satpy import Scene
+from satpy.tests.utils import RANDOM_GEN
 
 # NOTE:
 # The following fixtures are not defined in this file, but are used and injected by Pytest:
@@ -78,7 +79,7 @@ def _create_bad_lon_lat():
 @pytest.fixture(scope="session")
 def ac_file(tmp_path_factory):
     """Create a fake atmospheric correction product."""
-    data = np.random.random((10, 10))
+    data = RANDOM_GEN.random((10, 10))
     RhoC = xr.Dataset(
         {"RhoC_555": (["number_of_lines", "pixels_per_line"], data)},
         coords={"number_of_lines": np.arange(10), "pixels_per_line": np.arange(10)},
@@ -102,7 +103,7 @@ def ac_file(tmp_path_factory):
 @pytest.fixture(scope="module")
 def iop_file(tmp_path_factory):
     """Create a fake IOP product."""
-    data = np.random.random((10, 10))
+    data = RANDOM_GEN.random((10, 10))
     a = xr.Dataset(
         {"a_total_555": (["number_of_lines", "pixels_per_line"], data)},
         coords={"number_of_lines": np.arange(10), "pixels_per_line": np.arange(10)},
@@ -124,7 +125,7 @@ def iop_file(tmp_path_factory):
 @pytest.fixture(scope="module")
 def generic_file(tmp_path_factory):
     """Create a fake ouput product like Chl, Zsd etc."""
-    data = np.random.random((10, 10))
+    data = RANDOM_GEN.random((10, 10))
     geophysical_data = xr.Dataset(
         {"Chl": (["number_of_lines", "pixels_per_line"], data)},
         coords={"number_of_lines": np.arange(10), "pixels_per_line": np.arange(10)},
@@ -141,7 +142,7 @@ def generic_file(tmp_path_factory):
 @pytest.fixture(scope="module")
 def generic_bad_file(tmp_path_factory):
     """Create a PP product with lon/lat base name missing."""
-    data = np.random.random((10, 10))
+    data = RANDOM_GEN.random((10, 10))
     geophysical_data = xr.Dataset(
         {"PP": (["number_of_lines", "pixels_per_line"], data)},
         coords={"number_of_lines": np.arange(10), "pixels_per_line": np.arange(10)},

satpy/tests/reader_tests/test_hrit_base.py

@@ -30,6 +30,7 @@
 
 from satpy.readers import FSFile
 from satpy.readers.hrit_base import HRITFileHandler, decompress, get_xritdecompress_cmd, get_xritdecompress_outfile
+from satpy.tests.utils import RANDOM_GEN
 
 # NOTE:
 # The following fixtures are not defined in this file, but are used and injected by Pytest:
@@ -145,9 +146,9 @@ def create_stub_hrit(filename, open_fun=open, meta=mda):
     lines = meta["number_of_lines"]
     cols = meta["number_of_columns"]
     total_bits = lines * cols * nbits
-    arr = np.random.randint(0, 256,
-                            size=int(total_bits / 8),
-                            dtype=np.uint8)
+    arr = RANDOM_GEN.integers(0, 256,
+                              size=int(total_bits / 8),
+                              dtype=np.uint8)
     with open_fun(filename, mode="wb") as fd:
         fd.write(b" " * meta["total_header_length"])
         bytes_data = arr.tobytes()

satpy/tests/reader_tests/test_insat3d_img_l1b_h5.py

@@ -16,7 +16,7 @@
     open_dataset,
     open_datatree,
 )
-from satpy.tests.utils import make_dataid
+from satpy.tests.utils import RANDOM_GEN, make_dataid
 
 # NOTE:
 # The following fixtures are not defined in this file, but are used and injected by Pytest:
@@ -30,10 +30,10 @@
 alb_units = "%"
 temp_units = "K"
 chunks_1km = (1, 46, 1126)
-values_1km = np.random.randint(0, 1000, shape_1km, dtype=np.uint16)
+values_1km = RANDOM_GEN.integers(0, 1000, shape_1km, dtype=np.uint16)
 values_1km[0, 0, 0] = 0
-values_4km = np.random.randint(0, 1000, shape_4km, dtype=np.uint16)
-values_8km = np.random.randint(0, 1000, shape_8km, dtype=np.uint16)
+values_4km = RANDOM_GEN.integers(0, 1000, shape_4km, dtype=np.uint16)
+values_8km = RANDOM_GEN.integers(0, 1000, shape_8km, dtype=np.uint16)
 
 values_by_resolution = {1000: values_1km,
                         4000: values_4km,

satpy/tests/reader_tests/test_mirs.py

@@ -31,6 +31,7 @@
 from satpy.dataset import DataID
 from satpy.readers import load_reader
 from satpy.readers.yaml_reader import FileYAMLReader
+from satpy.tests.utils import RANDOM_GEN
 
 METOP_FILE = "IMG_SX.M2.D17037.S1601.E1607.B0000001.WE.HR.ORB.nc"
 NPP_MIRS_L2_SWATH = "NPR-MIRS-IMG_v11r6_npp_s201702061601000_e201702061607000_c202012201658410.nc"
@@ -77,7 +78,7 @@
 
 def fake_coeff_from_fn(fn):
     """Create Fake Coefficients."""
-    ameans = np.random.uniform(261, 267, N_CHANNEL)
+    ameans = RANDOM_GEN.uniform(261, 267, N_CHANNEL)
     locations = [
         [1, 2],
         [1, 2],
@@ -117,7 +118,7 @@ def fake_coeff_from_fn(fn):
             str_coeff = "  ".join([str(x) for x in random_coeff])
             random_means = np.zeros(all_nchx[nx])
             str_means = " ".join([str(x) for x in random_means])
-            error_val = np.random.uniform(0, 4)
+            error_val = RANDOM_GEN.uniform(0, 4)
             coeffs_line = " {:>2} {:>2}  {} {}   {}\n".format(idx, fov,
                                                               str_coeff,
                                                               str_means,
@@ -138,15 +139,15 @@ def _get_datasets_with_attributes(**kwargs):
                              "_FillValue": -999,
                              "valid_range": [0, 50000]},
                       dims=("Scanline", "Field_of_view", "Channel"))
-    rr = xr.DataArray(np.random.randint(100, 500, size=(N_SCANLINE, N_FOV), dtype=np.int16),
+    rr = xr.DataArray(RANDOM_GEN.integers(100, 500, size=(N_SCANLINE, N_FOV), dtype=np.int16),
                       attrs={"long_name": "Rain Rate (mm/hr)",
                              "units": "mm/hr",
                              "coordinates": "Longitude Latitude",
                              "scale_factor": 0.1,
                              "_FillValue": -999,
                              "valid_range": [0, 1000]},
                       dims=("Scanline", "Field_of_view"))
-    sfc_type = xr.DataArray(np.random.randint(0, 4, size=(N_SCANLINE, N_FOV), dtype=np.int16),
+    sfc_type = xr.DataArray(RANDOM_GEN.integers(0, 4, size=(N_SCANLINE, N_FOV), dtype=np.int16),
                             attrs={"description": "type of surface:0-ocean," +
                                                   "1-sea ice,2-land,3-snow",
                                    "units": "1",
@@ -187,12 +188,12 @@ def _get_datasets_with_less_attributes():
                       attrs={"long_name": "Channel Temperature (K)",
                              "scale_factor": 0.01},
                       dims=("Scanline", "Field_of_view", "Channel"))
-    rr = xr.DataArray(np.random.randint(100, 500, size=(N_SCANLINE, N_FOV), dtype=np.int16),
+    rr = xr.DataArray(RANDOM_GEN.integers(100, 500, size=(N_SCANLINE, N_FOV), dtype=np.int16),
                       attrs={"long_name": "Rain Rate (mm/hr)",
                              "scale_factor": 0.1},
                       dims=("Scanline", "Field_of_view"))
 
-    sfc_type = xr.DataArray(np.random.randint(0, 4, size=(N_SCANLINE, N_FOV), dtype=np.int16),
+    sfc_type = xr.DataArray(RANDOM_GEN.integers(0, 4, size=(N_SCANLINE, N_FOV), dtype=np.int16),
                             attrs={"description": "type of surface:0-ocean," +
                                                   "1-sea ice,2-land,3-snow"},
                             dims=("Scanline", "Field_of_view"))