[calm - Cygwin server-side packaging maintenance script] branch master, updated. 20220704-6-g81315ae

https://sourceware.org/git/gitweb.cgi?p=cygwin-apps/calm.git;h=81315aef01a137bce51f636d96c3066b5cb4bb0b

commit 81315aef01a137bce51f636d96c3066b5cb4bb0b
Author: Jon Turney <[email protected]>
Date:   Sat Jul 16 20:50:20 2022 +0100

    Workaround unexpected exceptions from license_expression.validate()
    
    [...]
      File "/home/cygwin/.local/lib/python3.6/site-packages/license_expression/__init__.py", line 1214, in __init__
        'Invalid license key: the valid characters are: letters and '
    license_expression.ExpressionError: Invalid license key: the valid characters are: letters and numbers, underscore, dot, colon or hyphen signs and spaces: 'LGPLv3+/GPLv2+/GPLv3+/GFDLv1.3+'
    
    During handling of the above exception, another exception occurred:
    
    [...]
      File "/home/cygwin/.local/lib/python3.6/site-packages/license_expression/__init__.py", line 780, in validate
        expression_info.invalid_symbols.append(e.token_string)
    AttributeError: 'ExpressionError' object has no attribute 'token_string'


Diff:
---
 calm/hint.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/calm/hint.py b/calm/hint.py
index d464bbc..1e9d717 100755
--- a/calm/hint.py
+++ b/calm/hint.py
@@ -297,6 +297,7 @@ def hint_file_parse(fn, kind, strict=False):
                     # license must be a valid spdx license expression
                     if key == 'license' and licensing:
                         try:
+                            licensing.parse(value, strict=True)
                             le = licensing.validate(value, strict=True)
                         except (license_expression.ExpressionParseError, license_expression.ExpressionError) as e:
                             errors.append('value for key %s not a valid license expression: %s' % (key, e))