modify spec to be platform indepedent

nwb-guide.spec

@@ -1,5 +1,7 @@
 # -*- mode: python ; coding: utf-8 -*-
 import sys
+from pathlib import Path
+
 sys.setrecursionlimit(sys.getrecursionlimit() * 5)
 
 from PyInstaller.utils.hooks import collect_data_files
@@ -27,7 +29,7 @@ block_cipher = None
 
 
 a = Analysis(
-    ['pyflask\\app.py'],
+    [f"{Path('pyflask') / 'app.py'}"],
     pathex=[],
     binaries=binaries,
     datas=datas,

prepare_pyinstaller_spec.py

@@ -9,14 +9,21 @@
     lines = io.readlines()
 
 lines.insert(1, "import sys\n")
-lines.insert(2, "sys.setrecursionlimit(sys.getrecursionlimit() * 5)\n")
+lines.insert(2, "from pathlib import Path\n")
 lines.insert(3, "\n")
+lines.insert(4, "sys.setrecursionlimit(sys.getrecursionlimit() * 5)\n")
+lines.insert(5, "\n")
 
 # Originally this was a separate `npm` command per platform to account for CLI syntax differences between ; and :
 # The spec file is, however, the same across platforms
 data_line_index = lines.index("datas = []\n")
 lines[data_line_index] = "datas = [('./paths.config.json', '.'), ('./package.json', '.')]\n"
 
+# Another platform specific difference is the app.py location
+app_py_line_index = next(index for index, line in enumerate(lines) if "app.py" in line)
+app_py_line = "    [f\"{Path('pyflask') / 'app.py'}\"],\n"
+lines[app_py_line_index] = app_py_line
+
 with open(file=Path(__file__).parent / "nwb-guide.spec", mode="w") as io:
     io.writelines(lines)