update to python3.7, update dependencies and fix obvious update issues

src/c3nav/api/urls.py

@@ -1,8 +1,8 @@
 import re
 from collections import OrderedDict
 
-from compressor.utils.decorators import cached_property
 from django.conf.urls import include, url
+from django.utils.functional import cached_property
 from rest_framework.generics import GenericAPIView
 from rest_framework.response import Response
 from rest_framework.routers import SimpleRouter

src/c3nav/editor/models/changeset.py

@@ -38,19 +38,21 @@ class ChangeSet(models.Model):
     )
     created = models.DateTimeField(auto_now_add=True, verbose_name=_('created'))
     last_change = models.ForeignKey('editor.ChangeSetUpdate', null=True, related_name='+',
-                                    verbose_name=_('last object change'))
+                                    verbose_name=_('last object change'), on_delete=models.PROTECT)
     last_update = models.ForeignKey('editor.ChangeSetUpdate', null=True, related_name='+',
-                                    verbose_name=_('last update'))
+                                    verbose_name=_('last update'), on_delete=models.PROTECT)
     last_state_update = models.ForeignKey('editor.ChangeSetUpdate', null=True, related_name='+',
-                                          verbose_name=_('last state update'))
+                                          verbose_name=_('last state update'), on_delete=models.PROTECT)
     state = models.CharField(max_length=20, db_index=True, choices=STATES, default='unproposed')
     author = models.ForeignKey(settings.AUTH_USER_MODEL, null=True, on_delete=models.PROTECT, verbose_name=_('Author'))
     title = models.CharField(max_length=100, default='', verbose_name=_('Title'))
     description = models.TextField(max_length=1000, default='', verbose_name=_('Description'))
     assigned_to = models.ForeignKey(settings.AUTH_USER_MODEL, null=True, on_delete=models.PROTECT,
                                     related_name='assigned_changesets', verbose_name=_('assigned to'))
-    map_update = models.OneToOneField(MapUpdate, null=True, related_name='changeset', verbose_name=_('map update'))
-    last_cleaned_with = models.ForeignKey(MapUpdate, null=True, related_name='checked_changesets')
+    map_update = models.OneToOneField(MapUpdate, null=True, related_name='changeset',
+                                      verbose_name=_('map update'), on_delete=models.PROTECT)
+    last_cleaned_with = models.ForeignKey(MapUpdate, null=True, related_name='checked_changesets',
+                                          on_delete=models.PROTECT)
 
     class Meta:
         verbose_name = _('Change Set')

src/c3nav/editor/views/changes.py

@@ -9,8 +9,8 @@ from django.http import Http404
 from django.shortcuts import get_object_or_404, redirect, render
 from django.urls import NoReverseMatch, reverse
 from django.utils.text import format_lazy
-from django.utils.translation import ugettext_lazy as _
 from django.utils.translation import get_language_info
+from django.utils.translation import ugettext_lazy as _
 
 from c3nav.editor.forms import ChangeSetForm, RejectForm
 from c3nav.editor.models import ChangeSet

src/c3nav/mapdata/api.py

@@ -10,8 +10,8 @@ from django.http import HttpResponse
 from django.shortcuts import redirect
 from django.utils.cache import get_conditional_response
 from django.utils.http import http_date, quote_etag, urlsafe_base64_encode
-from django.utils.translation import ugettext_lazy as _
 from django.utils.translation import get_language
+from django.utils.translation import ugettext_lazy as _
 from rest_framework.decorators import detail_route, list_route
 from rest_framework.exceptions import NotFound, ValidationError
 from rest_framework.mixins import RetrieveModelMixin

src/c3nav/mapdata/fields.py

@@ -8,8 +8,8 @@ from django.core.validators import RegexValidator
 from django.db import models
 from django.utils.functional import cached_property, lazy
 from django.utils.text import format_lazy
-from django.utils.translation import ugettext_lazy as _
 from django.utils.translation import get_language
+from django.utils.translation import ugettext_lazy as _
 from shapely import validation
 from shapely.geometry import LineString, MultiPolygon, Point, Polygon, mapping, shape
 from shapely.geometry.base import BaseGeometry

src/c3nav/mapdata/forms.py

@@ -4,8 +4,8 @@ from django.conf import settings
 from django.core.exceptions import ValidationError
 from django.forms import CharField, ModelForm
 from django.utils.text import capfirst, format_lazy
-from django.utils.translation import ugettext_lazy as _
 from django.utils.translation import get_language_info
+from django.utils.translation import ugettext_lazy as _
 
 from c3nav.mapdata.fields import I18nField
 

src/c3nav/mapdata/models/access.py

@@ -240,7 +240,7 @@ class AccessPermission(models.Model):
 
 class AccessRestrictionMixin(SerializableMixin, models.Model):
     access_restriction = models.ForeignKey(AccessRestriction, null=True, blank=True,
-                                           verbose_name=_('Access Restriction'))
+                                           verbose_name=_('Access Restriction'), on_delete=models.PROTECT)
 
     class Meta:
         abstract = True

src/c3nav/mapdata/models/base.py

@@ -3,8 +3,8 @@ from collections import OrderedDict
 from django.core.cache import cache
 from django.db import models
 from django.db.models import Q
-from django.utils.translation import ugettext_lazy as _
 from django.utils.translation import get_language, get_language_info
+from django.utils.translation import ugettext_lazy as _
 
 from c3nav.mapdata.fields import I18nField
 from c3nav.mapdata.models import MapUpdate

src/c3nav/mapdata/render/engines/opengl.py

@@ -5,7 +5,7 @@ from itertools import chain
 from queue import Queue
 from typing import Optional
 
-import ModernGL
+import moderngl
 import numpy as np
 from PIL import Image
 from shapely.geometry import CAP_STYLE, JOIN_STYLE, Polygon
@@ -25,14 +25,14 @@ class RenderContext(namedtuple('RenderContext', ('width', 'height', 'ctx', 'prog
 
     @classmethod
     def create(cls, width, height):
-        ctx = ModernGL.create_standalone_context()
+        ctx = moderngl.create_standalone_context()
 
         color_rbo = ctx.renderbuffer((width, height), samples=ctx.max_samples)
         fbo = ctx.framebuffer([color_rbo])
         fbo.use()
 
-        prog = ctx.program([
-            ctx.vertex_shader('''
+        prog = ctx.program(
+            vertex_shader='''
                 #version 330
                 in vec3 in_vert;
                 in vec4 in_color;
@@ -44,18 +44,18 @@ class RenderContext(namedtuple('RenderContext', ('width', 'height', 'ctx', 'prog
                     gl_Position = mvp * vec4(in_vert, 1.0);
                     v_color = in_color;
                 }
-            '''),
-            ctx.fragment_shader('''
+            ''',
+            fragment_shader='''
                 #version 330
                 in vec4 v_color;
                 out vec4 f_color;
                 void main() {
                     f_color = v_color;
                 }
-            '''),
-        ])
+            '''
+        )
 
-        ctx.enable(ModernGL.BLEND)
+        ctx.enable(moderngl.BLEND)
 
         return cls(width, height, ctx, prog, fbo)
 
@@ -115,15 +115,16 @@ class OpenGLWorker(threading.Thread):
             ctx = self._get_ctx(task.width, task.height)
             ctx.ctx.clear(*task.background_rgb)
 
-            ctx.prog.uniforms['mvp'].value = task.mvp
+            ctx.prog['mvp'].value = task.mvp
 
             if task.vertices:
                 vbo = ctx.ctx.buffer(task.vertices)
-                vao = ctx.ctx.simple_vertex_array(ctx.prog, vbo, ['in_vert', 'in_color'])
+                # noinspection PyTypeChecker
+                vao = ctx.ctx.simple_vertex_array(ctx.prog, vbo, 'in_vert', 'in_color')
                 vao.render()
 
             color_rbo2 = ctx.ctx.renderbuffer((task.width, task.height))
-            fbo2 = ctx.ctx.framebuffer(color_rbo2)
+            fbo2 = ctx.ctx.framebuffer([color_rbo2])
             ctx.ctx.copy_framebuffer(fbo2, ctx.fbo)
 
             img = Image.frombytes('RGB', (task.width, task.height), fbo2.read(components=3))

src/c3nav/urls.py

@@ -12,7 +12,7 @@ import c3nav.site.urls
 
 urlpatterns = [
     url(r'^editor/', include(c3nav.editor.urls)),
-    url(r'^api/', include(c3nav.api.urls, namespace='api')),
+    url(r'^api/', include((c3nav.api.urls, 'api'), namespace='api')),
     url(r'^map/', include(c3nav.mapdata.urls)),
     url(r'^admin/', admin.site.urls),
     url(r'^control/', include(c3nav.control.urls)),

src/requirements-tileserver.txt

@@ -1,3 +1,3 @@
-requests>=2.17,<2.18
-numpy>=1.13,<1.14
+requests>=2.19,<2.20
+numpy>=1.15,<1.16
 pylibmc>=1.5,<1.6

src/requirements/opengl.txt

@@ -1 +1 @@
-ModernGL>=4.2,<4.3
+ModernGL>=5.4,<5.5

src/requirements/production.txt

@@ -1,16 +1,16 @@
-Django>=1.11,<1.12
-django-bootstrap3>=8.2,<8.3
-django-compressor==2.1
+Django>=2.1,<2.2
+django-bootstrap3>=11.0,<11.1
+django-compressor==2.2
 csscompressor
-djangorestframework>=3.6,<3.7
-django-filter>=1.0,<1.1
-shapely>=1.5,<1.6
-MeshPy>=2016.1,<2016.2
+djangorestframework>=3.8,<3.9
+django-filter>=2.0,<2.1
+shapely>=1.6,<1.7
+-e git://github.com/c3nav/meshpy#egg=MeshPy
 rtree>=0.8,<0.9
-celery>=4.0,<4.1
-requests>=2.17,<2.18
-Pillow>=4.1,<4.2
-qrcode>=5.3,<5.4
-matplotlib>=2.0,<2.1
-scipy>=0.19,<0.20
+celery>=4.2,<4.3
+requests>=2.19,<2.20
+Pillow>=5.2,<5.3
+qrcode>=6.0,<6.1
+matplotlib>=2.2,<2.3
+scipy>=1.1,<1.2
 django_libsass>=0.7,<0.8

src/requirements/redis.txt

@@ -1,2 +1,2 @@
-django-redis>=4.8,<4.9
+django-redis>=4.9,<4.10
 redis>=2.10,<2.11

src/requirements/rsvg.txt

@@ -1,2 +1,2 @@
-pgi==0.0.11.1
-cairocffi>=0.8,<0.9
+pgi==0.0.11.2
+cairocffi>=0.9,<0.10