Accept PDFs with whitespace ahead of %PDF marker

Noticed in @aagahi 's fork
2017-06-26 13:17:47 -07:00
parent 3a7c3417bb
commit 48e3b267fc
1 changed files with 2 additions and 2 deletions
@@ -165,8 +165,8 @@ def triage(
    options = context.get_options()
    try:
        with open(input_file, 'rb') as f:
-            signature = f.read(4)
-            if signature == b'%PDF':
+            signature = f.read(1024)
+            if b'%PDF' in signature:
                if options.image_dpi:
                    log.warning("Argument --image-dpi ignored because the "
                                "input file is a PDF, not an image.")