Hesa add list op

python/flame/__main__.py

@@ -66,6 +66,11 @@ def parse():
         'compats', help='show all compatibilities')
     parser_cs.set_defaults(which='compats', func=compats)
 
+    # operators
+    parser_os = subparsers.add_parser(
+        'operators', help='show all operators')
+    parser_os.set_defaults(which='operators', func=operators)
+
     # licenses
     parser_cs = subparsers.add_parser(
         'licenses', help='show all licenses')
@@ -75,6 +80,10 @@ def parse():
 
     return args
 
+def operators(ldb, formatter, args):
+    all_op = ldb.operators()
+    return formatter.format_operators(all_op, args.verbose)
+
 def aliases(ldb, formatter, args):
     all_aliases = ldb.aliases_list()
     return formatter.format_identified_list(all_aliases, args.verbose)

python/flame/format.py

@@ -47,6 +47,9 @@ def format_licenses(self, licenses, verbose):
     def format_compatibilities(self, compats, verbose):
         return None
 
+    def format_operators(self, operators, verbose):
+        return None
+
 class JsonOutputFormatter(OutputFormatter):
 
     def format_compat(self, compat, verbose):
@@ -73,6 +76,9 @@ def format_licenses(self, licenses, verbose):
     def format_compatibilities(self, compats, verbose):
         return json.dumps(compats)
 
+    def format_operators(self, operators, verbose):
+        return json.dumps(operators)
+
 class YamlOutputFormatter(OutputFormatter):
 
     def format_compat(self, compat, verbose):
@@ -99,6 +105,9 @@ def format_licenses(self, licenses, verbose):
     def format_compatibilities(self, compats, verbose):
         return yaml.dump(compats)
 
+    def format_operators(self, operators, verbose):
+        return yaml.dump(operators)
+
 class TextOutputFormatter(OutputFormatter):
 
     def format_compat(self, compat, verbose):
@@ -164,5 +173,8 @@ def format_licenses(self, licenses, verbose):
         licenses.sort()
         return "\n".join(licenses)
 
+    def format_operators(self, operators, verbose):
+        return "\n".join(operators)
+
     def format_error(self, error, verbose):
         return f'Error, {error}'

python/flame/license_db.py

@@ -180,6 +180,9 @@ def aliases(self, license_name):
         identified_name = self.__identify_license(license_name)[NAME_TAG]
         return self.license_db[LICENSES_TAG][identified_name][ALIASES_TAG]
 
+    def operators(self):
+        return self.license_db[LICENSE_OPERATORS_TAG]
+
     def compatibility_as(self, license_name):
         # List compatibility_as for license
         identified = self.__identify_license(license_name)

tests/python/test_ldb.py

@@ -70,6 +70,10 @@ def test_licenses():
     licenses = ldb.licenses()
     assert len(licenses) == 3
 
+def test_operators():
+    operators = ldb.operators()
+    assert len(operators) > 3
+
 def test_compat_as_bad_input():
 
     with pytest.raises(LicenseDatabaseError) as _error: