Disable transformation if source CRS equals to destination

setup.py

@@ -42,7 +42,7 @@
             'packaging',
             'pycodestyle',
             'pytest>=4',
-            'pytest-cov',
+            'pytest-cov==2.8.1',
             'sphinx',
             'ipython',
             'nbsphinx',

telluric/util/local_tile_server.py

@@ -61,7 +61,7 @@ def _get_raster_png_tile(self, raster, x, y, z):
 
     @gen.coroutine
     def _get_collection_png_tile(self, fc, x, y, z):
-        rasters = yield gen.multi([self._get_raster_png_tile(f.raster(), x, y, z) for f in fc])
+        rasters = yield gen.multi([self._get_raster_png_tile(f.raster(), x, y, z) for f in fc])  # type: ignore
         if len(rasters) < 1:
             return None
         tile = yield self._merge_rasters(rasters, z)

telluric/util/projections.py

@@ -49,7 +49,8 @@ def transform(shape, source_crs, destination_crs=None, src_affine=None, dst_affi
     if src_affine is not None:
         shape = ops.transform(lambda r, q: ~src_affine * (r, q), shape)
 
-    shape = generate_transform(source_crs, destination_crs)(shape)
+    if source_crs != destination_crs:
+        shape = generate_transform(source_crs, destination_crs)(shape)
 
     if dst_affine is not None:
         shape = ops.transform(lambda r, q: dst_affine * (r, q), shape)

tests/test_geovector.py

@@ -2,6 +2,8 @@
 import tempfile
 
 import pytest
+import shapely
+from packaging import version
 from unittest import mock
 from numpy.testing import assert_array_almost_equal
 from pytest import approx
@@ -515,6 +517,10 @@ def test_polygonize_line():
     assert result == expected_result
 
 
+@pytest.mark.skipif(
+    version.parse(shapely.__version__) > version.parse('1.7a3'),
+    reason="Shapely < 1.7a3 is required",
+)
 def test_polygonize_line_square_cap_style():
     diag = 1 / math.sqrt(2)
 

tests/test_vrt.py

@@ -3,7 +3,7 @@
 import pyproj
 import rasterio
 import numpy as np
-from distutils.version import LooseVersion as V
+from packaging import version
 from rasterio.io import MemoryFile
 from tempfile import NamedTemporaryFile, TemporaryDirectory
 from telluric.util.raster_utils import build_vrt
@@ -46,7 +46,7 @@
 
 
 @pytest.mark.skipif(
-    V(pyproj.__version__) < V('2.0.0'),
+    version.parse(pyproj.__version__) < version.parse('2.0.0'),
     reason="pyproj >= 2 is required",
 )
 def test_wms_vrt():