erp5_accounting_l10n_fr: Make sure that FEC XML output is always the same given the same data.

bt5/erp5_accounting_l10n_fr/SkinTemplateItem/portal_skins/erp5_accounting_l10n_fr/AccountingTransactionModule_aggregateFrenchAccountingTransactionFile.py

@@ -5,12 +5,14 @@ from io import BytesIO
 import zipfile
 from Products.ERP5Type.Message import translateString
 from Products.ERP5Type.Utils import ensure_ascii
+import zlib
 
 portal = context.getPortalObject()
 active_process = portal.restrictedTraverse(active_process)
 
 # XXX we need proxy role for this
-result_list = active_process.getResultList()
+result_list = [zlib.decompress(result.detail) for result in active_process.getResultList() ]
+result_list.sort()
 
 fec_file = context.AccountingTransactionModule_viewComptabiliteAsFECXML(
       at_date=at_date,

bt5/erp5_accounting_l10n_fr/SkinTemplateItem/portal_skins/erp5_accounting_l10n_fr/AccountingTransactionModule_viewComptabiliteAsFECXML.zpt

@@ -2,6 +2,6 @@
 <comptabilite xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="formatA47A-I-VII-1.xsd" xmlns:tal="http://xml.zope.org/namespaces/tal">
   <exercice>
     <DateCloture tal:content="python: options['at_date'].strftime('%Y-%m-%d')">20141231</DateCloture>
-    <tal:block tal:repeat="result options/result_list"><tal:block tal:replace="structure python: modules['zlib'].decompress(result.detail)"/></tal:block>
+    <tal:block tal:repeat="result options/result_list"><tal:block tal:replace="structure python: result"/></tal:block>
   </exercice>
 </comptabilite>
\ No newline at end of file

bt5/erp5_accounting_l10n_fr/SkinTemplateItem/portal_skins/erp5_accounting_l10n_fr/AccountingTransaction_getFECXMLAccountingTransactionLineList.py

 line_list = []
 
-for line in context.contentValues(
-    portal_type=context.getPortalAccountingMovementTypeList()):
+if side == 'source':
+  sorted_key = lambda x: (x.getSource(), x.getQuantity())
+else:
+  assert side == 'destination'
+  sorted_key = lambda x: (x.getDestination(), x.getQuantity())
+
+for line in sorted(context.contentValues(
+    portal_type=context.getPortalAccountingMovementTypeList()),  key=sorted_key):
   has_amount = True
   if side == 'source':
     account = line.getSourceValue(portal_type='Account')