Remove legacy resolver

.circleci/config.yml

@@ -65,7 +65,7 @@ jobs:
 
       - run:
           name: Install core
-          command: pip install --editable .[dev] --upgrade --use-deprecated=legacy-resolver
+          command: pip install --editable . --upgrade --no-dependencies
 
       - run:
           name: Run core tests
@@ -101,7 +101,9 @@ jobs:
 
       - run:
           name: Install core constrained
-          command: pip install --editable .[dev] --upgrade --constraint requirements/constraints --use-deprecated=legacy-resolver
+          command: |
+            pip install --requirement requirements/dev --upgrade --constraint requirements/constraints
+            pip install --editable . --upgrade --no-dependencies
 
       - run:
           name: Run core tests
@@ -124,7 +126,9 @@ jobs:
           name: Submit coverage to Coveralls
           command: |
             source /tmp/venv/openfisca_core/bin/activate
-            pip install --editable .[coverage]
+            pip install --requirement requirements/coverage --upgrade
+            pip install --requirement requirements/dev --upgrade
+            pip install --editable . --upgrade --no-dependencies
             coveralls
 
       - save_cache:
@@ -157,7 +161,8 @@ jobs:
       - run:
           name: Upload a Python package to PyPi
           command: |
-            pip install --editable .[publication]
+            pip install --requirement requirements/publication --upgrade
+            pip install --editable . --upgrade --no-dependencies
             .circleci/publish-python-package.sh
 
       - run:

Makefile

@@ -7,7 +7,8 @@ all: test
 install:
 	@$(call doc,$@:)
 	@pip install --upgrade pip setuptools
-	@pip install --editable .[dev] --upgrade --use-deprecated=legacy-resolver
+	@pip install --requirement requirements/dev --upgrade
+	@pip install --editable . --upgrade --no-dependencies
 
 ## Install openfisca-core for deployment and publishing.
 build: setup.py

requirements/dev

@@ -1,7 +1,16 @@
 # Please make sure to pin all dependency versions, in order to avoid unwanted
 # functional and integration breaks caused by external code updates.
 #
-# These are dev dependencies, so pin them.
+# General Rule
+# ============
+#
+# * Pin them.
+#
+# Exceptions
+# ==========
+#
+# * openfisca-country-template should not be constrained (circular dep).
+# * openfisca-extension-template should not be constrained (circular dep).
 
 # For automatic style formatting.
 autopep8 == 1.5.7
@@ -18,8 +27,8 @@ pytest-cov == 2.11.1
 mypy == 0.812
 
 # For testing: parameters, variables, etc.
-openfisca-country-template == 3.12.5
-openfisca-extension-template == 1.3.6
+openfisca-country-template
+openfisca-extension-template
 
 # Include Web API dependencies for development
 -r web-api

requirements/tracker

@@ -2,4 +2,4 @@
 # versions.
 
 # For sending usage statistics to the Matomo third-party service.
-openfisca-tracker <= 0.4.0
+openfisca-tracker