uitest: document more UNO helper methods

Change-Id: I941f5ba20a7e3176e8d9f5f64c64ada6551d533a

uitest/libreoffice/calc/conditional_format.py

@@ -8,6 +8,10 @@
 # this file provides methods to interact with the new conditional format API
 
 def get_conditional_format_from_sheet(sheet):
+    """ Returns a conditional format object belonging to a sheet
+
+    Keyword arguments:
+    sheet -- a XSheet object"""
     return sheet.getPropertyValue("ConditionalFormats")
 
 # vim: set shiftwidth=4 softtabstop=4 expandtab:

uitest/libreoffice/calc/document.py

@@ -5,10 +5,24 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 #
 
-def get_sheet_from_doc(document, index):
+def get_sheet_from_doc(document, index=None, name=None):
+    """ Returns a sheet object for a Spreadsheet document
+
+    Keyword arguments:
+    index -- the 0-based index of the sheet (may not be used together with name)
+    name -- the name of the sheet (may not be used together with index)
+    """
     return document.getSheets().getByIndex(index)
 
 def get_cell_by_position(document, tab, column, row):
+    """ Get the cell object through its position in a document
+
+    Keyword arguments:
+    document -- The document that should be used
+    tab -- The 0-based sheet number
+    column -- The 0-based column number
+    row -- THe 0-based row number
+    """
     sheet = get_sheet_from_doc(document, tab)
     return sheet.getCellByPosition(column, row)
 

uitest/libreoffice/uno/propertyvalue.py

@@ -27,6 +27,8 @@ def mkPropertyValues(vals):
     return tuple([mkPropertyValue(name, value) for (name, value) in vals.items()])
 
 def convert_property_values_to_dict(propMap):
+    """ Create a dictionary from a sequence of property values
+    """
     ret = {}
     for entry in propMap:
         name = entry.Name