meta_tax_implication: Update values for TY2020 1099-MISC changes.

Support the new 1099-NEC form.

conservancy_beancount/plugin/meta_tax_implication.py

@@ -19,13 +19,33 @@ import decimal
 from . import core
 from .. import config as configmod
 from .. import data
+
+from typing import (
+    Iterator,
+    Optional,
+    Tuple,
+)
 from ..beancount_types import (
     Transaction,
 )
 
+def _make_aliases(s: str, stdname: Optional[str]=None) -> Iterator[Tuple[str, str]]:
+    if stdname is None:
+        stdname = s
+    elif s != stdname:
+        yield (s, stdname)
+    yield (s.lower(), stdname)
+    if s.startswith('1099-'):
+        yield from _make_aliases(f'1099{s[5:]}', stdname)
+    elif s.startswith('USA-'):
+        yield from _make_aliases(f'US-{s[4:]}', stdname)
+    if s.endswith('-Corporation'):
+        yield from _make_aliases(f's[:-12]-Corp', stdname)
+
 class MetaTaxImplication(core._NormalizePostingMetadataHook):
-    VALUES_ENUM = core.MetadataEnum('tax-implication', [
+    _STDNAMES = [
-        '1099',
+        '1099-MISC-Other',
+        '1099-NEC',
         'Bank-Transfer',
         'Chargeback',
         'Foreign-Corporation',
@@ -38,7 +58,14 @@ class MetaTaxImplication(core._NormalizePostingMetadataHook):
         'USA-501c3',
         'USA-Corporation',
         'W2',
-    ])
+    ]
+    _ALIASES = dict(
+        alias for value in _STDNAMES for alias in _make_aliases(value)
+    )
+    _ALIASES['1099'] = '1099-NEC'
+    VALUES_ENUM = core.MetadataEnum('tax-implication', _STDNAMES, _ALIASES)
+    del _STDNAMES, _ALIASES
+
     # Sometimes we accrue a payment before we have determined the recipient's
     # tax status.
     SKIP_FLAGS = '!'

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='1.6.1',
+    version='1.6.2',
     author='Software Freedom Conservancy',
     author_email='info@sfconservancy.org',
     license='GNU AGPLv3+',

tests/test_meta_tax_implication.py

@@ -21,7 +21,11 @@ from . import testutil
 from conservancy_beancount.plugin import meta_tax_implication
 
 VALID_VALUES = {
-    '1099': '1099',
+    '1099': '1099-NEC',
+    '1099-NEC': '1099-NEC',
+    '1099nec': '1099-NEC',
+    '1099-MISC-Other': '1099-MISC-Other',
+    '1099misc-other': '1099-MISC-Other',
     'Bank-Transfer': 'Bank-Transfer',
     'Chargeback': 'Chargeback',
     'Foreign-Corporation': 'Foreign-Corporation',