Add option to check before uploading

AUTHORS

@@ -22,4 +22,5 @@ Jesse Jarzynka <[email protected]> (http://jessejoe.com)
 László Kiss Kollár <[email protected]>
 Frances Hocutt <[email protected]>
 Tathagata Dasgupta <[email protected]>
-Wasim Thabraze <[email protected]>
+Wasim Thabraze <[email protected]>
+Chad Hawkins <[email protected]>

README.rst

@@ -160,6 +160,7 @@ Uploads one or more distributions to a repository.
                         [-s] [--sign-with SIGN_WITH] [-i IDENTITY] [-u USERNAME]
                         [-p PASSWORD] [-c COMMENT] [--config-file CONFIG_FILE]
                         [--skip-existing] [--cert path] [--client-cert path]
+                        [--check-first]
                         dist [dist ...]
 
     positional arguments:
@@ -204,6 +205,7 @@ Uploads one or more distributions to a repository.
       --client-cert path    Path to SSL client certificate, a single file
                             containing the private key and the certificate in PEM
                             format.
+      --check-first         Check distribution files before uploading.
 
 ``twine check``
 ^^^^^^^^^^^^^^^

twine/commands/upload.py

@@ -18,6 +18,7 @@
 import os.path
 
 from twine.commands import _find_dists
+from twine.commands.check import check
 from twine.package import PackageFile
 from twine import exceptions
 from twine import settings
@@ -108,6 +109,12 @@ def upload(upload_settings, dists):
 def main(args):
     parser = argparse.ArgumentParser(prog="twine upload")
     settings.Settings.register_argparse_arguments(parser)
+    parser.add_argument(
+        "--check-first",
+        default=False,
+        action="store_true",
+        help="Check distribution files before uploading.",
+    )
     parser.add_argument(
         "dists",
         nargs="+",
@@ -121,5 +128,11 @@ def main(args):
     args = parser.parse_args(args)
     upload_settings = settings.Settings.from_argparse(args)
 
+    # Call the check function if specified
+    if args.check_first:
+        failed_check = check(args.dists)
+        if failed_check:
+            return
+
     # Call the upload function with the arguments from the command line
     return upload(upload_settings, args.dists)