meta_receipt: Not required on interest income. RT#11695.

conservancy_beancount/plugin/meta_receipt.py

@@ -36,6 +36,18 @@ class MetaReceipt(core._RequireLinksPostingMetadataHook):
     def __init__(self, config: configmod.Config) -> None:
         self.payment_threshold = abs(config.payment_threshold())
 
+    def _run_on_txn(self, txn: Transaction) -> bool:
+        if not super()._run_on_txn(txn):
+            return False
+        elif (all(post.account.startswith('Assets:') for post in txn.postings
+                  if post.units.number and post.units.number > 0)
+              and all(post.account == 'Income:Interest' for post in txn.postings
+                      if post.units.number and post.units.number < 0)
+        ):
+            return False
+        else:
+            return True
+
     def _run_on_post(self, txn: Transaction, post: data.Posting) -> bool:
         return (
             (post.account.is_cash_equivalent() or post.account.is_credit_card())

setup.py

@@ -5,7 +5,7 @@ from setuptools import setup
 setup(
     name='conservancy_beancount',
     description="Plugin, library, and reports for reading Conservancy's books",
-    version='1.3.0',
+    version='1.3.1',
     author='Software Freedom Conservancy',
     author_email='info@sfconservancy.org',
     license='GNU AGPLv3+',

tests/test_meta_receipt.py

@@ -344,6 +344,24 @@ def test_fallback_on_zero_amount_postings(hook, test_pair, other_acct, value):
     ])
     assert not list(hook.run(txn))
 
+@pytest.mark.parametrize('test_acct', (
+    acct for acct in ACCOUNTS
+    if acct.name.startswith('Assets:')
+    and acct.required_types & PostType.CREDIT
+))
+def test_not_required_on_interest(hook, test_acct):
+    check(hook, test_acct, 'Income:Interest', None,
+          check_type=PostType.CREDIT)
+
+@pytest.mark.parametrize('test_acct', (
+    acct for acct in ACCOUNTS
+    if acct.name.startswith('Assets:')
+    and acct.required_types & PostType.DEBIT
+))
+def test_required_on_reverse_interest(hook, test_acct):
+    check(hook, test_acct, 'Income:Interest', {test_acct.missing_message()},
+          check_type=PostType.DEBIT)
+
 @pytest.mark.parametrize('test_acct,equity_acct', testutil.combine_values(
     ACCOUNTS,
     testutil.OPENING_EQUITY_ACCOUNTS,