Updated README.md

utils/update_readme.py

@@ -14,7 +14,7 @@ import re
 
 from click.testing import CliRunner
 
-from osxphotos.cli import help
+from osxphotos.cli import cli_main
 from osxphotos.phototemplate import (
     FILTER_VALUES,
     TEMPLATE_SUBSTITUTIONS,
@@ -73,11 +73,11 @@ def generate_help_text(command):
 
     # get current help text
     with runner.isolated_filesystem():
-        result = runner.invoke(help, [command])
+        result = runner.invoke(cli_main, ["help", command])
         help_txt = result.output
 
     # running the help command above doesn't output the full "Usage" line
-    help_txt = help_txt.replace(f"Usage: {command}", f"Usage: osxphotos {command}")
+    help_txt = help_txt.replace(f"Usage: cli-main", f"Usage: osxphotos")
     return help_txt
 
 
@@ -108,7 +108,7 @@ def replace_text(text, start_tag, stop_tag, replacement_text, prefix="", postfix
         end = text.split(stop_tag)[1]
     except IndexError as e:
         # didn't find one of the delimiters
-        raise ValueError(f"Unable to parse input: {e}")
+        raise ValueError(f"Unable to parse input: {e}") from e
 
     return begin + start_tag + prefix + replacement_text + postfix + stop_tag + end