Get a minimal bootstrapping procedure started

Author: JDRomano2

alzkb/build.py

@@ -0,0 +1,57 @@
+#!/usr/bin/env python
+
+from argparse import ArgumentError
+import warnings
+import os, sys
+
+def confirm_y_n():
+    while True:
+        resp = str(input("Continue with operation? (Y/n): ")).lower().strip()
+        if resp[0] == 'y':
+            return True
+        if resp[0] == 'n':
+            print("Exiting application...")
+            sys.exit(0)
+        print("Please enter y or n.")
+
+
+def bootstrap():
+    """
+    Retrieve data files needed to build AlzKB from scratch and organize them
+    into the required directory structure.
+    """
+    pass
+
+def build():
+    """
+    Populate the AlzKB ontology using the local copies of the source databases.
+    """
+    pass
+
+def install():
+    """
+    Import the contents of the AlzKB populated ontology into Neoj4.
+    """
+    pass
+
+def main():
+    args = sys.argv
+
+    try:
+        assert len(args) > 1
+    except AssertionError:
+        raise ArgumentError("Error - must provide one of `bootstrap`, `build`, or `install` as an argument to `alzkb`. See the README for more information.")
+
+    if len(args) > 2:
+        warnings.warn("Multiple arguments provided - only the first will be used.")
+
+    op_arg = args[1].lower()
+
+    if op_arg == 'bootstrap':
+        bootstrap()
+    elif op_arg == 'build':
+        build()
+    elif op_arg == 'install':
+        install()
+    else:
+        raise ArgumentError("Error - must provide one of `bootstrap`, `build`, or `install` as an argument to `alzkb`. See the README for more information.")