Limit requirements for a functioning atramhasis. (#750)

Requirements will be upgraded in a future major release.
These limitations require no changes to the current code.

Issue #749

requirements-dev-base.txt

@@ -17,7 +17,7 @@ sphinxcontrib-httpdomain==1.8.0
 pygments==2.10.0
 
 # waitress
-waitress==2.0.0
+waitress==2.1.1
 
 # Linting
 flake8==4.0.1

requirements.txt

@@ -2,9 +2,8 @@
 pyramid==2.0
 pyramid-tm==2.4
 pyramid_rewrite==0.2
-openapi-core==0.13.8 # newer version incompatible with pyramid_openapi3==0.13
-pyramid_openapi3==0.13
-openapi-spec-validator==0.4.0
+pyramid_openapi3==0.14.3
+openapi-spec-validator==0.4.0  # https://github.com/p1c2u/openapi-core/issues/442
 
 # skosprovider
 skosprovider==1.2.0
@@ -21,7 +20,8 @@ zope.sqlalchemy==1.6
 transaction==3.0.1
 
 # jinja2
-jinja2==3.0.3
+jinja2==2.11.3
+markupsafe==2.0.1  # necessary for <3 jinja2 versions
 pyramid-jinja2==2.8
 Babel==2.9.1
 

setup.py

@@ -44,18 +44,19 @@ def run(self):
 requires = [
     'pyramid',
     'pyramid_tm',
-    'SQLAlchemy',
+    'SQLAlchemy<2.0.0',
     'transaction',
     'zope.sqlalchemy',
-    'waitress',
     'skosprovider',
-    'skosprovider_sqlalchemy',
+    'skosprovider_sqlalchemy<2.0.0',
     'skosprovider_rdf',
     'skosprovider_getty',
     'pyramid_skosprovider',
     'pyramid_openapi3',
+    'openapi-spec-validator==0.4.0',  # https://github.com/p1c2u/openapi-core/issues/442
     'language_tags',
-    'jinja2',
+    'jinja2 < 3.0.0',
+    'markupsafe==2.0.1',  # necessary for <3 jinja2 versions
     'pyramid_jinja2',
     'alembic',
     'babel',