2 files changed, 61 insertions, 0 deletions
diff --git a/verhawk/cli/__init__.py b/verhawk/cli/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/verhawk/cli/__init__.py
diff --git a/verhawk/cli/verhawk.py b/verhawk/cli/verhawk.py
new file mode 100644
index 0000000..bf69dab
--- /dev/null
+++ b/verhawk/cli/verhawk.py
@@ -0,0 +1,61 @@
+import argparse
+import importlib
+import os
+import sys
+import verhawk.scanner
+import verhawk.constants as constants
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument('parent_package')
+    parser.add_argument('-V', '--version',
+        action='store_true',
+        help='Display version information'),
+    parser.add_argument('-e', '--exclude',
+        action='append',
+        default=[],
+        help='Ignore sub-[package|module] by name.')
+    parser.add_argument('-v', '--verbose',
+        action='store_true',
+        help='Show packages without version data.')
+    parser.add_argument('-j', '--json',
+        action='store_true',
+        help='Emit JSON to stdout')
+    parser.add_argument('-p', '--packages-only',
+        action='store_true',
+        help='Ignore non-packages (i.e modules)')
+    parser.add_argument('-r', '--recursive',
+        action='store_true',
+        help='Descend into package looking for additional version data.')
+
+    args = parser.parse_args()
+
+    if args.version:
+        print(verhawk.version.__version_long__)
+        exit(0)
+
+    try:
+        with open(os.devnull, 'w') as devnull:
+            sys.stdout = devnull
+            parent_package = importlib.import_module(args.parent_package)
+
+        sys.stdout = constants.STDOUT
+    except ImportError as e:
+        print(e, file=sys.stderr)
+        exit(1)
+
+    scanner = verhawk.scanner.Scanner(parent_package, args.exclude,
+                                     args.recursive, args.packages_only)
+
+    if args.json:
+        print(scanner.as_json())
+    else:
+        for pkg, version in sorted(scanner):
+            if not args.verbose and version is None:
+                continue
+
+            print('{0}={1}'.format(pkg, version))
+
+if __name__ == '__main__':
+    main()