prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  Remove clash between adhocracy4 library names
   - prevents override of global var  if same library name is used from
     different bundles
  
  fixes #687 
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `euth/maps/fields.py`
  Content:
  ```
  1 from django.utils.translation import ugettext_lazy as _
  2 from jsonfield.fields import JSONField, JSONFormField
  3 
  4 from .validators import GeoJSONFormFieldValidator
  5 
  6 
  7 class GeoJSONFormField(JSONFormField):
  8 
  9     def __init__(self, *args, **kwargs):
  10         geom_type = kwargs.pop('geom_type')
  11         required = kwargs.pop('required')
  12         kwargs.setdefault(
  13             'validators', [GeoJSONFormFieldValidator(geom_type, required)])
  14         super().__init__(*args, **kwargs)
  15 
  16 
  17 class GeoJSONField(JSONField):
  18     description = _("Geometry as GeoJSON")
  19     form_class = GeoJSONFormField
  20     dim = 2
  21     geom_type = 'GEOMETRY'
  22 
  23     '''
  24     def __init__(self, *args, **kwargs):
  25         required = kwargs.pop('required', True)
  26         kwargs.setdefault(
  27             'validators', [GeoJSONFormFieldValidator(
  28                 self.geom_type, required)])
  29         super().__init__(*args, **kwargs)
  30     '''
  31 
  32     def formfield(self, **kwargs):
  33         kwargs.setdefault('geom_type', self.geom_type)
  34         return super(GeoJSONField, self).formfield(**kwargs)
  35 
  36 
  37 class GeometryField(GeoJSONField):
  38     pass
  39 
  40 
  41 class PointField(GeometryField):
  42     geom_type = 'POINT'
  43 
  44 
  45 class MultiPolygonField(GeoJSONField):
  46     geom_type = 'MULTIPOLYGON'
  47
  ```
  
  Path: `euth/maps/forms.py`
  Content:
  ```
  1 from django import forms
  2 
  3 from . import models
  4 from .widgets import MapChoosePointWidget
  5 
  6 
  7 class MapIdeaForm(forms.ModelForm):
  8 
  9     def __init__(self, *args, **kwargs):
  10         self.settings = kwargs.pop('settings_instance')
  11         super().__init__(*args, **kwargs)
  12         self.fields['point'].widget = MapChoosePointWidget(
  13             polygon=self.settings.polygon)
  14 
  15     class Meta:
  16         model = models.MapIdea
  17         fields = ['name', 'description', 'image', 'point']
  18
  ```
  
  Path: `euth/maps/validators.py`
  Content:
  ```
  1 import json
  2 
  3 from django.core.exceptions import ValidationError
  4 from django.utils.translation import ugettext_lazy as _
  5 
  6 
  7 class GeoJSONFormFieldValidator(object):
  8 
  9     def __init__(self, geom_type, required):
  10         self.geom_type = geom_type
  11         self.required = required
  12 
  13     def __call__(self, value):
  14         if isinstance(value, str):
  15             value = json.loads(value)
  16         err_msg = None
  17         json_type = value.get('type')
  18         if json_type == 'Feature' and self.geom_type == 'GEOMETRY':
  19             geom_type = value.get('geometry').get('type')
  20             is_geometry = geom_type in (
  21                 "Point", "MultiPoint", "LineString", "MultiLineString",
  22                 "Polygon", "MultiPolygon", "GeometryCollection"
  23             )
  24             if not is_geometry:
  25                 err_msg = '%s is not a valid GeoJSON geometry type' % geom_type
  26         elif json_type == 'FeatureCollection':
  27             if len(value.get('features')) == 0 and self.required:
  28                 err_msg = _('Field can not be empty')
  29 
  30         if err_msg:
  31             raise ValidationError(err_msg)
  32
  ```
  --- END FILES ---
  
  Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.
  
  Here is an example:
  
  ```diff
  diff --git a/examples/server_async.py b/examples/server_async.py
  --- a/examples/server_async.py
  +++ b/examples/server_async.py
  @@ -313,4 +313,4 @@
   
   
   if __name__ == "__main__":
  -    asyncio.run(run_async_server("."), debug=True)
  +    asyncio.run(run_async_server(), debug=True)
  diff --git a/examples/server_sync.py b/examples/server_sync.py
  --- a/examples/server_sync.py
  +++ b/examples/server_sync.py
  @@ -313,5 +313,5 @@
   
   
   if __name__ == "__main__":
  -    server = run_sync_server(".")
  +    server = run_sync_server()
       server.shutdown()
  
  ```
  
golden_diff: diff --git a/euth/maps/fields.py b/euth/maps/fields.py
  --- a/euth/maps/fields.py
  +++ b/euth/maps/fields.py
  @@ -1,17 +1,22 @@
  +from django.core import validators as django_validators
   from django.utils.translation import ugettext_lazy as _
   from jsonfield.fields import JSONField, JSONFormField
   
  -from .validators import GeoJSONFormFieldValidator
  -
   
   class GeoJSONFormField(JSONFormField):
   
       def __init__(self, *args, **kwargs):
  -        geom_type = kwargs.pop('geom_type')
  -        required = kwargs.pop('required')
  -        kwargs.setdefault(
  -            'validators', [GeoJSONFormFieldValidator(geom_type, required)])
  +        required_message = kwargs.pop('required_message')
           super().__init__(*args, **kwargs)
  +        self.default_error_messages['required'] = required_message
  +
  +    def to_python(self, value):
  +        empty_featureset = '{"type":"FeatureCollection","features":[]}'
  +        if (value not in django_validators.EMPTY_VALUES and not
  +                value == empty_featureset):
  +            return super().to_python(value)
  +        else:
  +            return None
   
   
   class GeoJSONField(JSONField):
  @@ -20,17 +25,8 @@
       dim = 2
       geom_type = 'GEOMETRY'
   
  -    '''
  -    def __init__(self, *args, **kwargs):
  -        required = kwargs.pop('required', True)
  -        kwargs.setdefault(
  -            'validators', [GeoJSONFormFieldValidator(
  -                self.geom_type, required)])
  -        super().__init__(*args, **kwargs)
  -    '''
  -
       def formfield(self, **kwargs):
  -        kwargs.setdefault('geom_type', self.geom_type)
  +        kwargs.setdefault('required_message', self.required_message)
           return super(GeoJSONField, self).formfield(**kwargs)
   
   
  @@ -40,7 +36,9 @@
   
   class PointField(GeometryField):
       geom_type = 'POINT'
  +    required_message = _('Please add a Marker on the map')
   
   
   class MultiPolygonField(GeoJSONField):
       geom_type = 'MULTIPOLYGON'
  +    required_message = _('Please draw a Polygon on the map')
  diff --git a/euth/maps/forms.py b/euth/maps/forms.py
  --- a/euth/maps/forms.py
  +++ b/euth/maps/forms.py
  @@ -1,4 +1,5 @@
   from django import forms
  +from django.utils.translation import ugettext as _
   
   from . import models
   from .widgets import MapChoosePointWidget
  @@ -11,6 +12,8 @@
           super().__init__(*args, **kwargs)
           self.fields['point'].widget = MapChoosePointWidget(
               polygon=self.settings.polygon)
  +        self.fields['point'].error_messages['required'] = _(
  +            'Please locate your proposal on the map.')
   
       class Meta:
           model = models.MapIdea
  diff --git a/euth/maps/validators.py b/euth/maps/validators.py
  deleted file mode 100644
  --- a/euth/maps/validators.py
  +++ /dev/null
  @@ -1,31 +0,0 @@
  -import json
  -
  -from django.core.exceptions import ValidationError
  -from django.utils.translation import ugettext_lazy as _
  -
  -
  -class GeoJSONFormFieldValidator(object):
  -
  -    def __init__(self, geom_type, required):
  -        self.geom_type = geom_type
  -        self.required = required
  -
  -    def __call__(self, value):
  -        if isinstance(value, str):
  -            value = json.loads(value)
  -        err_msg = None
  -        json_type = value.get('type')
  -        if json_type == 'Feature' and self.geom_type == 'GEOMETRY':
  -            geom_type = value.get('geometry').get('type')
  -            is_geometry = geom_type in (
  -                "Point", "MultiPoint", "LineString", "MultiLineString",
  -                "Polygon", "MultiPolygon", "GeometryCollection"
  -            )
  -            if not is_geometry:
  -                err_msg = '%s is not a valid GeoJSON geometry type' % geom_type
  -        elif json_type == 'FeatureCollection':
  -            if len(value.get('features')) == 0 and self.required:
  -                err_msg = _('Field can not be empty')
  -
  -        if err_msg:
  -            raise ValidationError(err_msg)
  
verification_info: {"golden_diff": "diff --git a/euth/maps/fields.py b/euth/maps/fields.py\n--- a/euth/maps/fields.py\n+++ b/euth/maps/fields.py\n@@ -1,17 +1,22 @@\n+from django.core import validators as django_validators\n from django.utils.translation import ugettext_lazy as _\n from jsonfield.fields import JSONField, JSONFormField\n \n-from .validators import GeoJSONFormFieldValidator\n-\n \n class GeoJSONFormField(JSONFormField):\n \n     def __init__(self, *args, **kwargs):\n-        geom_type = kwargs.pop('geom_type')\n-        required = kwargs.pop('required')\n-        kwargs.setdefault(\n-            'validators', [GeoJSONFormFieldValidator(geom_type, required)])\n+        required_message = kwargs.pop('required_message')\n         super().__init__(*args, **kwargs)\n+        self.default_error_messages['required'] = required_message\n+\n+    def to_python(self, value):\n+        empty_featureset = '{\"type\":\"FeatureCollection\",\"features\":[]}'\n+        if (value not in django_validators.EMPTY_VALUES and not\n+                value == empty_featureset):\n+            return super().to_python(value)\n+        else:\n+            return None\n \n \n class GeoJSONField(JSONField):\n@@ -20,17 +25,8 @@\n     dim = 2\n     geom_type = 'GEOMETRY'\n \n-    '''\n-    def __init__(self, *args, **kwargs):\n-        required = kwargs.pop('required', True)\n-        kwargs.setdefault(\n-            'validators', [GeoJSONFormFieldValidator(\n-                self.geom_type, required)])\n-        super().__init__(*args, **kwargs)\n-    '''\n-\n     def formfield(self, **kwargs):\n-        kwargs.setdefault('geom_type', self.geom_type)\n+        kwargs.setdefault('required_message', self.required_message)\n         return super(GeoJSONField, self).formfield(**kwargs)\n \n \n@@ -40,7 +36,9 @@\n \n class PointField(GeometryField):\n     geom_type = 'POINT'\n+    required_message = _('Please add a Marker on the map')\n \n \n class MultiPolygonField(GeoJSONField):\n     geom_type = 'MULTIPOLYGON'\n+    required_message = _('Please draw a Polygon on the map')\ndiff --git a/euth/maps/forms.py b/euth/maps/forms.py\n--- a/euth/maps/forms.py\n+++ b/euth/maps/forms.py\n@@ -1,4 +1,5 @@\n from django import forms\n+from django.utils.translation import ugettext as _\n \n from . import models\n from .widgets import MapChoosePointWidget\n@@ -11,6 +12,8 @@\n         super().__init__(*args, **kwargs)\n         self.fields['point'].widget = MapChoosePointWidget(\n             polygon=self.settings.polygon)\n+        self.fields['point'].error_messages['required'] = _(\n+            'Please locate your proposal on the map.')\n \n     class Meta:\n         model = models.MapIdea\ndiff --git a/euth/maps/validators.py b/euth/maps/validators.py\ndeleted file mode 100644\n--- a/euth/maps/validators.py\n+++ /dev/null\n@@ -1,31 +0,0 @@\n-import json\n-\n-from django.core.exceptions import ValidationError\n-from django.utils.translation import ugettext_lazy as _\n-\n-\n-class GeoJSONFormFieldValidator(object):\n-\n-    def __init__(self, geom_type, required):\n-        self.geom_type = geom_type\n-        self.required = required\n-\n-    def __call__(self, value):\n-        if isinstance(value, str):\n-            value = json.loads(value)\n-        err_msg = None\n-        json_type = value.get('type')\n-        if json_type == 'Feature' and self.geom_type == 'GEOMETRY':\n-            geom_type = value.get('geometry').get('type')\n-            is_geometry = geom_type in (\n-                \"Point\", \"MultiPoint\", \"LineString\", \"MultiLineString\",\n-                \"Polygon\", \"MultiPolygon\", \"GeometryCollection\"\n-            )\n-            if not is_geometry:\n-                err_msg = '%s is not a valid GeoJSON geometry type' % geom_type\n-        elif json_type == 'FeatureCollection':\n-            if len(value.get('features')) == 0 and self.required:\n-                err_msg = _('Field can not be empty')\n-\n-        if err_msg:\n-            raise ValidationError(err_msg)\n", "issue": "Remove clash between adhocracy4 library names\n - prevents override of global var  if same library name is used from\r\n   different bundles\r\n\r\nfixes #687 \n", "before_files": [{"content": "from django.utils.translation import ugettext_lazy as _\nfrom jsonfield.fields import JSONField, JSONFormField\n\nfrom .validators import GeoJSONFormFieldValidator\n\n\nclass GeoJSONFormField(JSONFormField):\n\n    def __init__(self, *args, **kwargs):\n        geom_type = kwargs.pop('geom_type')\n        required = kwargs.pop('required')\n        kwargs.setdefault(\n            'validators', [GeoJSONFormFieldValidator(geom_type, required)])\n        super().__init__(*args, **kwargs)\n\n\nclass GeoJSONField(JSONField):\n    description = _(\"Geometry as GeoJSON\")\n    form_class = GeoJSONFormField\n    dim = 2\n    geom_type = 'GEOMETRY'\n\n    '''\n    def __init__(self, *args, **kwargs):\n        required = kwargs.pop('required', True)\n        kwargs.setdefault(\n            'validators', [GeoJSONFormFieldValidator(\n                self.geom_type, required)])\n        super().__init__(*args, **kwargs)\n    '''\n\n    def formfield(self, **kwargs):\n        kwargs.setdefault('geom_type', self.geom_type)\n        return super(GeoJSONField, self).formfield(**kwargs)\n\n\nclass GeometryField(GeoJSONField):\n    pass\n\n\nclass PointField(GeometryField):\n    geom_type = 'POINT'\n\n\nclass MultiPolygonField(GeoJSONField):\n    geom_type = 'MULTIPOLYGON'\n", "path": "euth/maps/fields.py"}, {"content": "from django import forms\n\nfrom . import models\nfrom .widgets import MapChoosePointWidget\n\n\nclass MapIdeaForm(forms.ModelForm):\n\n    def __init__(self, *args, **kwargs):\n        self.settings = kwargs.pop('settings_instance')\n        super().__init__(*args, **kwargs)\n        self.fields['point'].widget = MapChoosePointWidget(\n            polygon=self.settings.polygon)\n\n    class Meta:\n        model = models.MapIdea\n        fields = ['name', 'description', 'image', 'point']\n", "path": "euth/maps/forms.py"}, {"content": "import json\n\nfrom django.core.exceptions import ValidationError\nfrom django.utils.translation import ugettext_lazy as _\n\n\nclass GeoJSONFormFieldValidator(object):\n\n    def __init__(self, geom_type, required):\n        self.geom_type = geom_type\n        self.required = required\n\n    def __call__(self, value):\n        if isinstance(value, str):\n            value = json.loads(value)\n        err_msg = None\n        json_type = value.get('type')\n        if json_type == 'Feature' and self.geom_type == 'GEOMETRY':\n            geom_type = value.get('geometry').get('type')\n            is_geometry = geom_type in (\n                \"Point\", \"MultiPoint\", \"LineString\", \"MultiLineString\",\n                \"Polygon\", \"MultiPolygon\", \"GeometryCollection\"\n            )\n            if not is_geometry:\n                err_msg = '%s is not a valid GeoJSON geometry type' % geom_type\n        elif json_type == 'FeatureCollection':\n            if len(value.get('features')) == 0 and self.required:\n                err_msg = _('Field can not be empty')\n\n        if err_msg:\n            raise ValidationError(err_msg)\n", "path": "euth/maps/validators.py"}], "after_files": [{"content": "from django.core import validators as django_validators\nfrom django.utils.translation import ugettext_lazy as _\nfrom jsonfield.fields import JSONField, JSONFormField\n\n\nclass GeoJSONFormField(JSONFormField):\n\n    def __init__(self, *args, **kwargs):\n        required_message = kwargs.pop('required_message')\n        super().__init__(*args, **kwargs)\n        self.default_error_messages['required'] = required_message\n\n    def to_python(self, value):\n        empty_featureset = '{\"type\":\"FeatureCollection\",\"features\":[]}'\n        if (value not in django_validators.EMPTY_VALUES and not\n                value == empty_featureset):\n            return super().to_python(value)\n        else:\n            return None\n\n\nclass GeoJSONField(JSONField):\n    description = _(\"Geometry as GeoJSON\")\n    form_class = GeoJSONFormField\n    dim = 2\n    geom_type = 'GEOMETRY'\n\n    def formfield(self, **kwargs):\n        kwargs.setdefault('required_message', self.required_message)\n        return super(GeoJSONField, self).formfield(**kwargs)\n\n\nclass GeometryField(GeoJSONField):\n    pass\n\n\nclass PointField(GeometryField):\n    geom_type = 'POINT'\n    required_message = _('Please add a Marker on the map')\n\n\nclass MultiPolygonField(GeoJSONField):\n    geom_type = 'MULTIPOLYGON'\n    required_message = _('Please draw a Polygon on the map')\n", "path": "euth/maps/fields.py"}, {"content": "from django import forms\nfrom django.utils.translation import ugettext as _\n\nfrom . import models\nfrom .widgets import MapChoosePointWidget\n\n\nclass MapIdeaForm(forms.ModelForm):\n\n    def __init__(self, *args, **kwargs):\n        self.settings = kwargs.pop('settings_instance')\n        super().__init__(*args, **kwargs)\n        self.fields['point'].widget = MapChoosePointWidget(\n            polygon=self.settings.polygon)\n        self.fields['point'].error_messages['required'] = _(\n            'Please locate your proposal on the map.')\n\n    class Meta:\n        model = models.MapIdea\n        fields = ['name', 'description', 'image', 'point']\n", "path": "euth/maps/forms.py"}, {"content": null, "path": "euth/maps/validators.py"}]}