ENH: set local path based on whether pyinstaller is running (#4)

* set _here based on whether we are in pyinstaller runtime

* add schemas into the installed binary

* wrap --add-data arg in quotes for windows build

* remove debugging line

* convert a print statement to warning

.github/workflows/build-binary.yaml

@@ -12,8 +12,8 @@ jobs:
       with:
         python-version: 3.9
     - run: python -m pip install . pyinstaller
-    - run: pyinstaller --onefile --name wsinfer_zoo-win64 wsinfer_zoo/__main__.py
-    - run: ./dist/wsinfer_zoo-win64 --help
+    - run: pyinstaller --onefile --name wsinfer-zoo-win64 --add-data "wsinfer_zoo/schemas;schemas" wsinfer_zoo/__main__.py
+    - run: ./dist/wsinfer-zoo-win64 --help
     - uses: actions/upload-artifact@v2
       with:
         path: dist/*
@@ -39,8 +39,8 @@ jobs:
       with:
         python-version: 3.9
     - run: python -m pip install . pyinstaller
-    - run: pyinstaller --onefile --name wsinfer_zoo-MacOSX-x86_64 wsinfer_zoo/__main__.py
-    - run: ./dist/wsinfer_zoo-MacOSX-x86_64 --help
+    - run: pyinstaller --onefile --name wsinfer-zoo-MacOSX-x86_64 --add-data wsinfer_zoo/schemas:schemas wsinfer_zoo/__main__.py
+    - run: ./dist/wsinfer-zoo-MacOSX-x86_64 --help
     - uses: actions/upload-artifact@v2
       with:
         path: dist/*

wsinfer_zoo/client.py

@@ -4,7 +4,9 @@
 import json
 from datetime import datetime
 from pathlib import Path
+import sys
 from typing import Any, Dict, List, Optional, Sequence
+import warnings
 
 import jsonschema
 import requests
@@ -24,7 +26,12 @@
 # The path to the registry file.
 WSINFER_ZOO_REGISTRY_DEFAULT_PATH = Path.home() / ".wsinfer-zoo-registry.json"
 
-_here = Path(__file__).parent.resolve()
+# In pyinstaller runtime for one-file executables, the root path
+# is the path to the executable.
+if getattr(sys, "frozen", False) and getattr(sys, "_MEIPASS", False):
+    _here = Path(sys._MEIPASS).resolve()  # type: ignore
+else:
+    _here = Path(__file__).parent.resolve()
 
 
 class WSInferZooException(Exception):
@@ -307,4 +314,4 @@ def _download_registry_if_necessary():
             r = requests.get(WSINFER_ZOO_REGISTRY_URL)
             WSINFER_ZOO_REGISTRY_DEFAULT_PATH.write_bytes(r.content)
     except requests.RequestException as e:
-        print(f"Could not download most recent registry, error: {e}")
+        warnings.warn(f"Could not download most recent registry, error: {e}")