Print --version and --help Without Bootstrapping (#595)

* print version without bootstrapping

* print help message without bootstrapping

* black

* Fix flake

---------

Co-authored-by: Michael Richard Mckinsey <[email protected]>
Co-authored-by: Michael McKinsey <[email protected]>
Co-authored-by: pearce8 <[email protected]>

Author: 4 people

lib/main.py

@@ -14,22 +14,44 @@
 import sys
 import yaml
 
-import benchpark.cmd.audit
-import benchpark.cmd.system
-import benchpark.cmd.experiment
-import benchpark.cmd.setup
-import benchpark.cmd.unit_test
-import benchpark.paths
-from benchpark.accounting import (
+__version__ = "0.1.0"
+if "-V" in sys.argv or "--version" in sys.argv:
+    print(__version__)
+    exit()
+helpstr = """usage: main.py [-h] [-V] {list,tags,system,experiment,setup,unit-test,audit} ...
+
+Benchpark
+
+options:
+  -h, --help            show this help message and exit
+  -V, --version         show version number and exit
+
+Subcommands:
+  {list,tags,system,experiment,setup,unit-test,audit}
+    list                List available experiments, systems, and modifiers
+    tags                Tags in Benchpark experiments
+    system              Initialize a system config
+    experiment          Interact with experiments
+    setup               Set up an experiment and prepare it to build/run
+    unit-test           Run benchpark unit tests
+    audit               Look for problems in System/Experiment repos"""
+if "-h" in sys.argv or "--help" in sys.argv:
+    print(helpstr)
+    exit()
+
+import benchpark.cmd.audit  # noqa: E402
+import benchpark.cmd.system  # noqa: E402
+import benchpark.cmd.experiment  # noqa: E402
+import benchpark.cmd.setup  # noqa: E402
+import benchpark.cmd.unit_test  # noqa: E402
+import benchpark.paths  # noqa: E402
+from benchpark.accounting import (  # noqa: E402
     benchpark_experiments,
     benchpark_modifiers,
     benchpark_systems,
 )
 
 
-__version__ = "0.1.0"
-
-
 def main():
     if sys.version_info[:2] < (3, 8):
         raise Exception("Benchpark requires at least python 3.8+.")
@@ -53,10 +75,6 @@ def main():
         parser.print_help()
         return 1
 
-    if args.version:
-        print(get_version())
-        return 0
-
     if args.subcommand in actions:
         action = actions[args.subcommand]
         if supports_unknown_args(action):
@@ -87,11 +105,6 @@ def supports_unknown_args(command):
     return argcount == 2 and varnames[1] == "unknown_args"
 
 
-def get_version():
-    benchpark_version = __version__
-    return benchpark_version
-
-
 def benchpark_list(subparsers, actions_dict):
     list_parser = subparsers.add_parser(
         "list", help="List available experiments, systems, and modifiers"