Support to disable colored output

README.md

@@ -222,6 +222,15 @@ It will show SHA256, MD5, BLAKE2-256 values of files to be uploaded.
     print-hash: true
 ```
 
+### Disable colored output
+
+You may want to disable colored output when `twine upload`.
+
+```yml
+  with:
+    no-color: true
+```
+
 ### Specifying a different username
 
 The default username value is `__token__`. If you publish to a custom

action.yml

@@ -80,6 +80,10 @@ inputs:
       Use `print-hash` instead.
     required: false
     default: 'false'
+  no-color:
+    description: Disable colored output.
+    required: false
+    default: 'false'
 branding:
   color: yellow
   icon: upload-cloud
@@ -95,3 +99,4 @@ runs:
   - ${{ inputs.skip-existing }}
   - ${{ inputs.verbose }}
   - ${{ inputs.print-hash }}
+  - ${{ inputs.no-color }}

twine-upload.sh

@@ -39,6 +39,7 @@ INPUT_PACKAGES_DIR="$(get-normalized-input 'packages-dir')"
 INPUT_VERIFY_METADATA="$(get-normalized-input 'verify-metadata')"
 INPUT_SKIP_EXISTING="$(get-normalized-input 'skip-existing')"
 INPUT_PRINT_HASH="$(get-normalized-input 'print-hash')"
+INPUT_NO_COLOR="$(get-normalized-input 'no-color')"
 
 PASSWORD_DEPRECATION_NUDGE="::error title=Password-based uploads deprecated::\
 Starting in 2024, PyPI will require all users to enable Two-Factor \
@@ -133,6 +134,10 @@ if [[ ${INPUT_PRINT_HASH,,} != "false" || ${INPUT_VERBOSE,,} != "false" ]] ; the
     python /app/print-hash.py ${INPUT_PACKAGES_DIR%%/}
 fi
 
+if [[ ${INPUT_NO_COLOR,,} != "false" ]] ; then
+    TWINE_EXTRA_ARGS="--no-color $TWINE_EXTRA_ARGS"
+fi
+
 TWINE_USERNAME="$INPUT_USER" \
 TWINE_PASSWORD="$INPUT_PASSWORD" \
 TWINE_REPOSITORY_URL="$INPUT_REPOSITORY_URL" \