added support for "equity" in main.py

journal.cc

@@ -569,6 +569,16 @@ account_t * py_find_account_2(journal_t& journal, const std::string& name,
   return journal.find_account(name, auto_create);
 }
 
+PyObject * py_account_get_data(account_t& account)
+{
+  return (PyObject *) account.data;
+}
+
+void py_account_set_data(account_t& account, PyObject * obj)
+{
+  account.data = obj;
+}
+
 struct py_entry_finalizer_t : public entry_finalizer_t {
   object pyobj;
   py_entry_finalizer_t() {}
@@ -656,7 +666,7 @@ void export_journal()
     .def_readwrite("note", &account_t::note)
     .def_readonly("depth", &account_t::depth)
     .def_readonly("transactions", &account_t::transactions)
-    .def_readwrite("data", &account_t::data)
+    .add_property("data", py_account_get_data, py_account_set_data)
     .def_readonly("ident", &account_t::ident)
 
     .def(self_ns::str(self))

main.py

@@ -17,6 +17,7 @@
 import os
 import sys
 import string
+import time
 
 true, false = 1, 0
 
@@ -243,6 +244,50 @@ class FormatAccount (AccountHandler):
 		self.output.write(self.formatter.format(account))
 		account_xdata (account).dflags |= ACCOUNT_DISPLAYED
 
+class FormatEquity (AccountHandler):
+    output = None
+
+    def __init__ (self, fmt, pred):
+	try:
+	    i = string.index (fmt, '%/')
+	    self.formatter  = Format (fmt[: i])
+	    self.nformatter = Format (fmt[i + 2 :])
+	except ValueError:
+	    self.formatter  = Format (fmt)
+	    self.nformatter = None
+
+	self.predicate = AccountPredicate (pred)
+	self.total     = Value ()
+
+	if config.output_file:
+	    self.output = open(config.output_file, "w")
+	else:
+	    self.output = sys.stdout
+
+	AccountHandler.__init__ (self)
+
+	header_entry = Entry ()
+	header_entry.payee = "Opening Balances"
+	header_entry.date  = int(time.time())
+	self.output.write (self.formatter.format (header_entry))
+
+    def __del__ (self):
+	if config.output_file:
+	    self.output.close ()
+
+    def flush (self):
+	summary = Account(Account (), "Equity:Opening Balances")
+	account_xdata (summary).value = - self.total
+	self.output.write (self.nformatter.format (summary))
+	self.output.flush ()
+
+    def __call__ (self, account):
+	if display_account (account, self.predicate):
+	    self.output.write(self.nformatter.format (account))
+	    if account_has_xdata (account):
+		self.total += account_xdata (account).value
+	    account_xdata (account).dflags |= ACCOUNT_DISPLAYED
+
 # Set the final transaction handler: for balances and equity reports,
 # it will simply add the value of the transaction to the account's
 # xdata, which is used a bit later to report those totals.  For all
@@ -332,12 +377,11 @@ if command == "b":
     #      print "--------------------"
     #      config.format.format(out, details_t(*journal->master));
 
-#elif command == "E":
-#    format_equity acct_formatter(out, config.format, config.nformat,
-#				 config.display_predicate);
-#    sum_accounts(*journal->master);
-#    walk_accounts(*journal->master, acct_formatter, config.sort_string);
-#    acct_formatter.flush();
+elif command == "E":
+    acct_formatter = FormatEquity (format, config.display_predicate)
+    sum_accounts (journal.master)
+    walk_accounts (journal.master, acct_formatter, config.sort_string)
+    acct_formatter.flush ()
 
 # If the cache is being used, and is dirty, update it now.
 
@@ -345,3 +389,6 @@ if config.use_cache and config.cache_dirty and config.cache_file:
     write_binary_journal(config.cache_file, journal);
 
 # We're done!
+
+clear_transactions_xdata ()
+clear_accounts_xdata ()

value.cc

@@ -707,6 +707,8 @@ void export_value()
     .def(other<amount_t>() / self)
     .def(int() / self)
 
+    .def(- self)
+
     .def(self += self)
     .def(self += other<balance_pair_t>())
     .def(self += other<balance_t>())

value.h

@@ -242,10 +242,18 @@ class value_t
   template <typename T>
   operator T() const;
 
-  void cast(type_t cast_type);
   void negate();
-  void abs();
+  value_t negated() const {
+    value_t temp = *this;
+    temp.negate();
+    return temp;
+  }
+  value_t operator-() const {
+    return negated();
+  }
 
+  void    abs();
+  void    cast(type_t cast_type);
   value_t cost() const;
 };
 

walk.cc

@@ -309,6 +309,16 @@ void dow_transactions::flush()
   }
 }
 
+void clear_transactions_xdata()
+{
+  transactions_xdata.clear();
+
+  for (std::list<void **>::iterator i = transactions_xdata_ptrs.begin();
+       i != transactions_xdata_ptrs.end();
+       i++)
+    **i = NULL;
+}
+
 void sum_accounts(account_t& account)
 {
   for (accounts_map::iterator i = account.accounts.begin();
@@ -469,6 +479,7 @@ void export_walk()
 
   def("transaction_has_xdata", transaction_has_xdata);
   def("transaction_xdata", transaction_xdata, return_internal_reference<1>());
+  def("clear_transactions_xdata", clear_transactions_xdata);
 
   class_< xact_handler_t, item_handler_wrap<transaction_t> >
     ("TransactionHandler")
@@ -579,6 +590,7 @@ void export_walk()
 
   def("account_has_xdata", account_has_xdata);
   def("account_xdata", account_xdata, return_internal_reference<1>());
+  def("clear_accounts_xdata", clear_accounts_xdata);
 
   class_< account_handler_t, item_handler_wrap<account_t> > ("AccountHandler")
     .def(init<account_handler_t *>())

walk.h

@@ -143,14 +143,7 @@ inline void walk_entries(entries_list& list,
   walk_entries(list.begin(), list.end(), handler);
 }
 
-inline void clear_transactions_xdata() {
-  transactions_xdata.clear();
-
-  for (std::list<void **>::iterator i = transactions_xdata_ptrs.begin();
-       i != transactions_xdata_ptrs.end();
-       i++)
-    **i = NULL;
-}
+void clear_transactions_xdata();
 
 //////////////////////////////////////////////////////////////////////