Warn user when —image-dpi is supplied but ignored

2017-05-12 12:09:53 -07:00
parent 559af9635f
commit 115d6df94f
1 changed files with 4 additions and 1 deletions
@@ -159,17 +159,20 @@ def triage(
        log,
        context):

+    options = context.get_options()
    try:
        with open(input_file, 'rb') as f:
            signature = f.read(4)
            if signature == b'%PDF':
+                if options.image_dpi:
+                    log.warning("Argument --image-dpi ignored because the "
+                                "input file is a PDF, not an image.")
                re_symlink(input_file, output_file, log)
                return
    except EnvironmentError as e:
        log.error(e)
        raise InputFileError() from e

-    options = context.get_options()
    triage_image_file(input_file, output_file, log, options)