Improve derive_permlink and allow replies of comments with permlink lenght > 235

derive_permlink was improved so that replys to posts/comments with a permlink length of more than 235 characters is possible
unit tests added

beem/utils.py

@@ -109,18 +109,18 @@ def sanitize_permlink(permlink):
     return permlink
 
 
-def derive_permlink(title, parent_permlink=None, parent_author=None):
+def derive_permlink(title, parent_permlink=None, parent_author=None, max_permlink_length=256):
     permlink = ""
 
     if parent_permlink and parent_author:
         permlink += "re-"
         permlink += parent_author.replace("@", "")
         permlink += "-"
-        permlink += parent_permlink
+        permlink += parent_permlink[:(max_permlink_length - 20 - len(parent_author.replace("@", "")) - 1)]
         permlink += "-" + formatTime(timenow.time()) + "z"
     elif parent_permlink:
         permlink += "re-"
-        permlink += parent_permlink
+        permlink += parent_permlink[:(max_permlink_length - 20)]
         permlink += "-" + formatTime(timenow.time()) + "z"
     else:
         permlink += title

beem/version.py

-"""THIS FILE IS GENERATED FROM beem SETUP.PY."""
-version = '0.20.18'
+"""THIS FILE IS GENERATED FROM beem SETUP.PY."""
+version = '0.20.19'

beemapi/version.py

-"""THIS FILE IS GENERATED FROM beem SETUP.PY."""
-version = '0.20.18'
+"""THIS FILE IS GENERATED FROM beem SETUP.PY."""
+version = '0.20.19'

beembase/version.py

-"""THIS FILE IS GENERATED FROM beem SETUP.PY."""
-version = '0.20.18'
+"""THIS FILE IS GENERATED FROM beem SETUP.PY."""
+version = '0.20.19'

beemgraphenebase/version.py

-"""THIS FILE IS GENERATED FROM beem SETUP.PY."""
-version = '0.20.18'
+"""THIS FILE IS GENERATED FROM beem SETUP.PY."""
+version = '0.20.19'

setup.py

@@ -16,7 +16,7 @@ except LookupError:
     ascii = codecs.lookup('ascii')
     codecs.register(lambda name, enc=ascii: {True: enc}.get(name == 'mbcs'))
 
-VERSION = '0.20.18'
+VERSION = '0.20.19'
 
 tests_require = ['mock >= 2.0.0', 'pytest', 'pytest-mock', 'parameterized']
 

tests/beem/test_utils.py

@@ -68,6 +68,8 @@ class Testcases(unittest.TestCase):
         self.assertEqual(derive_permlink("Hello World"), "hello-world")
         self.assertEqual(derive_permlink("aAf_0.12"), "aaf-0-12")
         self.assertEqual(derive_permlink("[](){}"), "")
+        self.assertEqual(len(derive_permlink("", parent_permlink=256 * "a")), 256)
+        self.assertEqual(len(derive_permlink("", parent_permlink=256 * "a", parent_author="test")), 256)
 
     def test_patch(self):
         self.assertEqual(make_patch("aa", "ab"), '@@ -1 +1 @@\n-aa\n+ab\n')