1 files changed, 28 insertions, 0 deletions
diff --git a/package_info/cli/__main__.py b/package_info/cli/__main__.py
new file mode 100644
index 0000000..c524dd3
--- /dev/null
+++ b/package_info/cli/__main__.py
@@ -0,0 +1,28 @@
+import sys
+import json
+from argparse import ArgumentParser
+from ..package_info import get_package_info
+
+
+def main():
+    parser = ArgumentParser()
+    parser.add_argument("package", nargs="*")
+    args = parser.parse_args()
+
+    name = args.package[0]
+    result = get_package_info(name)
+
+    if len(args.package) < 2:
+        # Dump all data as JSON
+        print(json.dumps(result, indent=4))
+    else:
+        # Dump the value of a key as JSON
+        pattern = args.package[1]
+        try:
+            print(json.dumps(result[pattern], indent=4))
+        except KeyError:
+            print("{}")
+            return 1
+ 
+if __name__ == "__main__":
+    sys.exit(main())