Introduce the DISPLAYED_FIELDS in formatter

weboob/applications/boobank/boobank.py

@@ -172,6 +172,7 @@ class TransactionsFormatter(IFormatter):
 
 class TransferFormatter(IFormatter):
     MANDATORY_FIELDS = ('id', 'date', 'origin', 'recipient', 'amount')
+    DISPLAYED_FIELDS = ('reason', )
 
     def format_obj(self, obj, alias):
         result = u'------- Transfer %s -------\n' % obj.fullid
@@ -186,6 +187,7 @@ class TransferFormatter(IFormatter):
 
 class InvestmentFormatter(IFormatter):
     MANDATORY_FIELDS = ('label', 'quantity', 'unitvalue')
+    DISPLAYED_FIELDS = ('code', 'diff')
 
     tot_valuation = Decimal(0)
     tot_diff = Decimal(0)
@@ -209,7 +211,7 @@ class InvestmentFormatter(IFormatter):
                  self.colored('%6d' % obj.quantity, 'yellow'),
                  self.colored('%11.2f' % obj.unitvalue, 'yellow'),
                  self.colored('%11.2f' % obj.valuation, 'yellow'),
-                 self.colored('%8.2f' % diff, 'green' if diff >=0 else 'red')
+                 self.colored('%8.2f' % diff, 'green' if diff >= 0 else 'red')
                  )
 
     def flush(self):

weboob/applications/boobsize/boobsize.py

@@ -30,6 +30,7 @@ __all__ = ['Boobsize']
 
 class GaugeFormatter(IFormatter):
     MANDATORY_FIELDS = ('name', 'object', 'sensors')
+    DISPLAYED_FIELDS = self.MANDATORY_FIELDS + ('city', )
 
     def start_format(self, **kwargs):
         # Name = 27   Object = 10   City = 10  Sensors = 33

weboob/applications/videoob/videoob.py

@@ -34,6 +34,7 @@ __all__ = ['Videoob']
 
 class VideoListFormatter(PrettyFormatter):
     MANDATORY_FIELDS = ('id', 'title', 'duration', 'date')
+    DISPLAYED_FIELDS = self.MANDATORY_FIELDS + ('author', 'rating')
 
     def get_title(self, obj):
         return obj.title

weboob/tools/application/formatters/iformatter.py

@@ -74,7 +74,11 @@ class MandatoryFieldsNotFound(Exception):
 
 
 class IFormatter(object):
+    # Tuple of fields mandatory to not crash
     MANDATORY_FIELDS = None
+    # Tuple of displayed field. Set to None if all available fields are
+    # displayed
+    DISPLAYED_FIELDS = None
 
     BOLD = ConsoleApplication.BOLD
     NC = ConsoleApplication.NC