Fix some tests when pyproj not available

pyogrio/_compat.py

@@ -8,6 +8,11 @@
 except ImportError:
  pyarrow = None
 
+try:
+ import pyproj
+except ImportError:
+ pyproj = None
+
 try:
  import shapely
 except ImportError:
@@ -27,6 +32,7 @@
 HAS_ARROW_API = __gdal_version__ >= (3, 6, 0)
 HAS_ARROW_WRITE_API = __gdal_version__ >= (3, 8, 0)
 HAS_PYARROW = pyarrow is not None
+HAS_PYPROJ = pyproj is not None
 
 HAS_GEOPANDAS = geopandas is not None
 

pyogrio/tests/conftest.py

@@ -14,6 +14,7 @@
  HAS_ARROW_WRITE_API,
  HAS_GDAL_GEOS,
  HAS_PYARROW,
+ HAS_PYPROJ,
  HAS_SHAPELY,
 )
 from pyogrio.raw import read, write
@@ -54,6 +55,8 @@ def pytest_report_header(config):
  not HAS_ARROW_API or not HAS_PYARROW, reason="GDAL>=3.6 and pyarrow required"
 )
 
+requires_pyproj = pytest.mark.skipif(not HAS_PYPROJ, reason="pyproj required")
+
 requires_arrow_write_api = pytest.mark.skipif(
  not HAS_ARROW_WRITE_API or not HAS_PYARROW,
  reason="GDAL>=3.8 required for Arrow write API",

pyogrio/tests/test_geopandas_io.py

@@ -20,9 +20,10 @@
  DRIVERS,
  requires_pyarrow_api,
  requires_arrow_write_api,
+ requires_pyproj,
  requires_gdal_geos,
 )
-from pyogrio._compat import PANDAS_GE_15, HAS_ARROW_WRITE_API
+from pyogrio._compat import HAS_PYPROJ, PANDAS_GE_15, HAS_ARROW_WRITE_API
 
 try:
  import pandas as pd
@@ -126,7 +127,8 @@ def test_read_csv_platform_encoding(tmp_path):
 def test_read_dataframe(naturalearth_lowres_all_ext):
  df = read_dataframe(naturalearth_lowres_all_ext)
 
- assert df.crs == "EPSG:4326"
+ if HAS_PYPROJ:
+ assert df.crs == "EPSG:4326"
  assert len(df) == 177
  assert df.columns.tolist() == [
  "pop_est",
@@ -1071,6 +1073,8 @@ def test_write_empty_geometry(tmp_path):
  # Check that no warning is raised with GeoSeries.notna()
  with warnings.catch_warnings():
  warnings.simplefilter("error", UserWarning)
+ if not HAS_PYPROJ:
+ warnings.filterwarnings("ignore", message="'crs' was not provided.")
  write_dataframe(expected, filename)
  assert filename.exists()
 
@@ -1460,6 +1464,7 @@ def test_write_dataframe_infer_geometry_with_nulls(tmp_path, geoms, ext, use_arr
  "ignore: You will likely lose important projection information"
 )
 @pytest.mark.requires_arrow_write_api
+@requires_pyproj
 def test_custom_crs_io(tmp_path, naturalearth_lowres_all_ext, use_arrow):
  df = read_dataframe(naturalearth_lowres_all_ext)
  # project Belgium to a custom Albers Equal Area projection