fix(api): Write .env with absolute path for conf on make install

The old checked-in .env had a relative path into tests/ for the development
index.json file that drives settings. This makes it impossible to import
opentrons from outside the api directory. One way to fix this would be to add correct, sane, and not duplicated
logic to the way we load settings; another is to write the .env and the
index.json with absolute paths when you run make install.

Also, this fixes an issue where ‘make local-install’ worked on appveyor (because
appveyor uses mingw make) but doesn’t work on other dev setups that install make
using e.g. chocolatey into the windows shell or powershell, which do not do
wildcard expansion.

Closes #2495

.gitignore

@@ -13,6 +13,10 @@ venv/
 env/
 .env/
 
+# Generated files for local API server config paths
+api/.env
+api/index.json
+
 # MyPy caches
 .mypy_cache
 
@@ -78,6 +82,7 @@ target/
 
 # Testing
 api/tests/opentrons/data/configs/
+api/tests/opentrons/data/labware-def/
 api/opentrons/config/*.json
 sample_protocol.py
 api/opentrons/server/endpoints/ignore.json

api/Makefile

@@ -22,6 +22,7 @@ test_opts ?=
 .PHONY: install
 install:
 	pipenv sync $(pipenv_opts)
+	$(python) write_localenv.py
 
 .PHONY: all
 all: lint test
@@ -70,7 +71,7 @@ wheel: clean
 
 .PHONY: local-install
 local-install: wheel
-	$(pip) install --ignore-installed --no-deps dist/opentrons-*.whl
+	$(pip) install --ignore-installed --no-deps dist/$(shell ls dist/)
 
 .PHONY: local-shell
 local-shell: local-install

api/write_localenv.py

@@ -0,0 +1,29 @@
+import json
+import os
+
+here = os.getcwd()
+
+with open('./.env', 'w') as dotenv:
+    dotenv.write('OVERRIDE_SETTINGS_DIR={}'.format(here))
+
+shared_data = os.path.join(here, os.pardir, 'shared-data')
+test_data = os.path.join(here, 'tests', 'opentrons', 'data')
+local_index = {
+    "labware": {
+        "baseDefinitionDir": os.path.join(shared_data, 'definitions'),
+        "userDefinitionDir": os.path.join(test_data, 'labware-def',
+                                          'definitions'),
+        "offsetDir": os.path.join(test_data, 'labware-def', 'offsets')
+    },
+    "pipetteConfigFile": os.path.join(shared_data, 'robot-data',
+                                      'pipette-config.json'),
+    "featureFlagFile": os.path.join(shared_data, 'settings.json'),
+    "deckCalibrationFile": os.path.join(test_data,
+                                        'configs',
+                                        'deckCalibration.json'),
+    "robotSettingsFile": os.path.join(test_data, 'configs',
+                                      'robotSettings.json')
+}
+
+with open('./index.json', 'w') as index:
+    index.write(json.dumps(local_index))