Added simple web serving of ledger data.

accounting/__init__.py

@@ -1,3 +1,4 @@
+import sys
 import subprocess
 import logging
 import time
@@ -118,7 +119,10 @@ class Ledger:
         accounts = []
 
         for line in output.split(b'\n'):
+            try:
                 name, balance =  line.decode('utf8').split('|')
+            except ValueError:
+                continue
 
             accounts.append(Account(name=name, balance=balance))
 
@@ -195,12 +199,14 @@ class Account:
             self=self)
 
 
-def main():
+def main(argv=None):
+    if argv is None:
+        argv = sys.argv
+    logging.basicConfig(level=logging.DEBUG)
     ledger = Ledger(ledger_file='non-profit-test-data.ledger')
     print(ledger.bal())
     print(ledger.reg())
 
 
 if __name__ == '__main__':
-    logging.basicConfig(level=logging.DEBUG)
-    main()
+    sys.exit(main())

accounting/config.py

@@ -0,0 +1,6 @@
+import os
+
+LEDGER_FILE = os.environ.get('LEDGER_FILE', None)
+DEBUG = bool(int(os.environ.get('DEBUG', 0)))
+PORT = int(os.environ.get('PORT', 5000))
+HOST = os.environ.get('HOST', '127.0.0.1')

accounting/web.py

@@ -0,0 +1,59 @@
+import logging
+
+from flask import Flask, g, jsonify, json
+
+from accounting import Ledger, Account, Posting, Transaction
+
+
+logging.basicConfig(level=logging.DEBUG)
+app = Flask('accounting')
+app.config.from_pyfile('config.py')
+
+ledger = Ledger(ledger_file=app.config['LEDGER_FILE'])
+
+class AccountingEncoder(json.JSONEncoder):
+    def default(self, o):
+        if isinstance(o, Account):
+            return dict(
+                name=o.name,
+                balance=o.balance
+            )
+        elif isinstance(o, Transaction):
+            return dict(
+                date=o.date,
+                payee=o.payee,
+                postings=o.postings
+            )
+        elif isinstance(o, Posting):
+            return dict(
+                account=o.account,
+                amount=o.amount,
+                symbol=o.symbol
+            )
+
+        return json.JSONEncoder.default(self, o)
+
+app.json_encoder = AccountingEncoder
+
+@app.route('/')
+def index():
+    return 'Hello World!'
+
+@app.route('/balance')
+def balance_report():
+    report_data = ledger.bal()
+
+    return jsonify(balance_report=report_data)
+
+@app.route('/register')
+def register_report():
+    report_data = ledger.reg()
+
+    return jsonify(register_report=report_data)
+
+
+def main():
+    app.run(debug=True)
+
+if __name__ == '__main__':
+    main()

bin/serve

@@ -0,0 +1,9 @@
+#! /usr/bin/env python3
+import sys
+
+sys.path.append('./')
+
+from accounting.web import main
+
+if __name__ == '__main__':
+    sys.exit(main())