Make help message generation robust.

code/iottb-project/iottb/scripts/generate_help.py

@@ -1,7 +1,9 @@
+from pathlib import Path
+
 import click
 from io import StringIO
 import sys
-
+from iottb import DOCS_FOLDER
 # Import your CLI app here
 from iottb.main import cli
 
@@ -28,7 +30,7 @@ def get_help_text(command):
 
 def write_help_to_file(cli, filename):
     """Write help messages of all commands and subcommands to a file."""
-    with open(filename, 'w') as f:
+    with open(filename, 'w+') as f:
         # main
         f.write(f"Main Command: iottb\n")
         f.write(get_help_text(cli))
@@ -49,4 +51,9 @@ def write_help_to_file(cli, filename):
 
 
 if __name__ == "__main__":
-    write_help_to_file(cli, "help_messages.md")
+    from iottb import DOCS_FOLDER
+    print('Must be in project root for this to work properly!')
+    print(f'CWD is {str(Path.cwd())}')
+    DOCS_FOLDER.mkdir(exist_ok=True)
+    write_help_to_file(cli, str(DOCS_FOLDER / "help_messages.md"))
+    print(f'Wrote help_messages.md to {str(DOCS_FOLDER / "help_messages.md")}')