benevity: Version the current importer.

The report format has changed slightly in 2019.

import2ledger/importers/benevity.py

@@ -1,7 +1,10 @@
 from . import _csv
 from .. import strparse
 
-class DonationsImporter(_csv.CSVImporterBase):
+class Donations2018Importer(_csv.CSVImporterBase):
+    ENTRY_SEED = {
+        'ledger template': 'benevity donations ledger entry',
+    }
     HEADER_FIELDS = {
         'Currency': 'currency',
         'Disbursement ID': 'disbursement_id',

tests/data/imports.yml

@@ -274,8 +274,8 @@
       amount: !!python/object/apply:decimal.Decimal ["-.08"]
       currency: USD
 
-- source: Benevity.csv
-  importer: benevity.DonationsImporter
+- source: Benevity2018.csv
+  importer: benevity.Donations2018Importer
   expect:
     - date: !!python/object/apply:datetime.date [2017, 10, 28]
       currency: USD
@@ -289,6 +289,7 @@
       comment: ""
       frequency: One-time
       transaction_id: 67890QWERT
+      ledger template: benevity donations ledger entry
     - date: !!python/object/apply:datetime.date [2017, 10, 30]
       currency: USD
       disbursement_id: ABCDE12345
@@ -301,6 +302,7 @@
       comment: ""
       frequency: One-time
       transaction_id: 67890WERTY
+      ledger template: benevity donations ledger entry
     - date: !!python/object/apply:datetime.date [2017, 10, 19]
       currency: USD
       disbursement_id: ABCDE12345
@@ -313,6 +315,7 @@
       comment: ""
       frequency: Unknown
       transaction_id: 67890ERTYU
+      ledger template: benevity donations ledger entry
     - date: !!python/object/apply:datetime.date [2017, 10, 19]
       currency: USD
       disbursement_id: ABCDE12345
@@ -325,6 +328,7 @@
       comment: ""
       frequency: Unknown
       transaction_id: 67890RTYUI
+      ledger template: benevity donations ledger entry
     - date: !!python/object/apply:datetime.date [2017, 10, 19]
       currency: USD
       disbursement_id: ABCDE12345
@@ -337,6 +341,7 @@
       comment: ""
       frequency: Recurring
       transaction_id: 67890TYUIO
+      ledger template: benevity donations ledger entry
 
 - source: BrightFunds.xls
   importer: brightfunds.DonorReportImporter