geo: Add example pip install command to geo warning

#445

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Changed
 
 - Use custom warnings and exceptions [#450](https://github.com/OpenDataServices/flatten-tool/issues/450) [#451](https://github.com/OpenDataServices/flatten-tool/issues/451)
+- Add example pip install command to geo dependencies missing warning [#445](https://github.com/OpenDataServices/flatten-tool/issues/445)
 
 ## [0.25.0] - 2024-07-05
 

flattentool/input.py

@@ -42,6 +42,11 @@
     from zipfile import BadZipfile as BadZipFile
 
 
+GEO_DEPENDENCIES_MESSAGE = (
+    "Install flattentool's optional geo dependencies to use geo features, for example pip install flattentool[geo]"
+)
+
+
 class Cell:
     def __init__(self, cell_value, cell_location):
         self.cell_value = cell_value
@@ -148,7 +153,7 @@ def convert_type(type_string, value, timezone=pytz.timezone("UTC"), convert_flag
             return feature.geometry
         else:
             warn(
-                "Install flattentool's optional geo dependencies to use geo features.",
+                GEO_DEPENDENCIES_MESSAGE,
                 FlattenToolWarning,
             )
             return str(value)

flattentool/json_input.py

@@ -35,7 +35,7 @@
     FlattenToolWarning,
 )
 from flattentool.i18n import _
-from flattentool.input import path_search
+from flattentool.input import GEO_DEPENDENCIES_MESSAGE, path_search
 from flattentool.schema import make_sub_sheet_name
 from flattentool.sheet import PersistentSheet
 
@@ -404,7 +404,7 @@ def parse_json_dict(
                 skip_type_and_coordinates = True
             else:
                 warn(
-                    "Install flattentool's optional geo dependencies to use geo features.",
+                    GEO_DEPENDENCIES_MESSAGE,
                     FlattenToolWarning,
                 )