style & documentation refresh, xls footer datetime fix

report_xls/__openerp__.py

@@ -20,24 +20,60 @@
 #
 ##############################################################################
 {
-    'name': 'XLS report engine',
-    'version': '0.3',
+    'name': 'Excel report engine',
+    'version': '0.4',
     'license': 'AGPL-3',
     'author': 'Noviat',
     'website': 'http://www.noviat.com',
     'category': 'Reporting',
     'description': """
+Excel report engine
+===================
 
-This module adds XLS export capabilities to the standard OpenERP reporting engine.
+This module adds Excel export capabilities to the standard OpenERP reporting engine.
 
-In order to generate an XLS export you can define a report of type 'xls' or alternatively pass {'xls_export' : 1) via the context to create method of the report.
+Report development
+''''''''''''''''''
+In order to create an Excel report you can\n
+- define a report of type 'xls'
+- pass ``{'xls_export': 1}`` via the context to the report create method
+
+The ``report_xls`` class contains a number of attributes and methods to facilitate
+the creation XLS reports in OpenERP.
+
+* cell types
+
+  Supported cell types : text, number, boolean, date.
+
+* cell styles
+
+  The predefined cell style definitions result in a consistent
+  look and feel of the OpenERP Excel reports.
+
+* cell formulas
+
+  Cell formulas can be easily added with the help of the ``rowcol_to_cell()`` function which
+  you can import from the ``utils.py`` module.
+
+* Excel templates
+
+  It is possible to define Excel templates which can be adapted by 'inherited' modules.
+  Download the ``account_move_line_report_xls`` module from http://apps.openerp.com
+  as example.
+
+* XLS with multiple sheets
+
+  Download the ``account_journal_report_xls`` module from http://apps.openerp.com as example.
+
+Development assistance
+''''''''''''''''''''''
+Contact info@noviat.com for help with the development of Excel reports in OpenERP, .
 
     """,
     'depends': ['base'],
     'external_dependencies': {'python': ['xlwt']},
-    'demo_xml': [],
-    'init_xml': [],
-    'update_xml' : [],
+    'demo': [],
+    'data': [],
     'active': False,
     'installable': True,
 }

report_xls/report_xls.py

@@ -23,7 +23,8 @@
 import xlwt
 from xlwt.Style import default_style
 import cStringIO
-import datetime, time
+from datetime import datetime
+from openerp.tools import DEFAULT_SERVER_DATETIME_FORMAT
 import inspect
 from types import CodeType
 from openerp.report.report_sxw import *
@@ -32,11 +33,13 @@ from openerp.tools.translate import translate, _
 import logging
 _logger = logging.getLogger(__name__)
 
+
 class AttrDict(dict):
     def __init__(self, *args, **kwargs):
         super(AttrDict, self).__init__(*args, **kwargs)
         self.__dict__ = self
 
+
 class report_xls(report_sxw):
 
     xls_types = {
@@ -60,13 +63,6 @@ class report_xls(report_sxw):
     'font_size': 8,
     'font_style': 'I',  # B: Bold, I:  Italic, U: Underline
     }
-    xls_headers = {
-        'standard': ''
-    }
-    xls_footers = {
-        'standard': ('&L&%(font_size)s&%(font_style)s' + datetime.now().strftime(DT_FORMAT) + 
-                     '&R&%(font_size)s&%(font_style)s&P / &N') %hf_params
-    }
 
     # styles
     _pfc = '26'  # default pattern fore_color
@@ -81,7 +77,7 @@ class report_xls(report_sxw):
         'fill': 'pattern: pattern solid, fore_color %s;' % _pfc,
         'fill_blue': 'pattern: pattern solid, fore_color 27;',
         'fill_grey': 'pattern: pattern solid, fore_color 22;',
-        'borders_all': 'borders: left thin, right thin, top thin, bottom thin, ' \
+        'borders_all': 'borders: left thin, right thin, top thin, bottom thin, '
             'left_colour %s, right_colour %s, top_colour %s, bottom_colour %s;' % (_bc, _bc, _bc, _bc),
         'left': 'align: horz left;',
         'center': 'align: horz center;',
@@ -105,11 +101,13 @@ class report_xls(report_sxw):
             if report_xml.report_type == 'xls':
                 return self.create_source_xls(cr, uid, ids, data, context)
         elif context.get('xls_export'):
+            self.table = data.get('model') or self.table   # use model from 'data' when no ir.actions.report.xml entry
             return self.create_source_xls(cr, uid, ids, data, context)
         return super(report_xls, self).create(cr, uid, ids, data, context)
 
     def create_source_xls(self, cr, uid, ids, data, context=None):
-        if not context: context = {}
+        if not context:
+            context = {}
         parser_instance = self.parser(cr, uid, self.name2, context)
         self.parser_instance = parser_instance
         objs = self.getObjects(cr, uid, ids, context)
@@ -119,6 +117,13 @@ class report_xls(report_sxw):
         wb = xlwt.Workbook(encoding='utf-8')
         _p = AttrDict(parser_instance.localcontext)
         _xs = self.xls_styles
+        self.xls_headers = {
+            'standard': '',
+        }
+        self.xls_footers = {
+            'standard': ('&L&%(font_size)s&%(font_style)s' + datetime.now().strftime(DEFAULT_SERVER_DATETIME_FORMAT) +
+                         '&R&%(font_size)s&%(font_style)s&P / &N') % self.hf_params,
+        }
         self.generate_xls_report(_p, _xs, data, objs, wb)
         wb.save(n)
         n.seek(0)
@@ -126,7 +131,7 @@ class report_xls(report_sxw):
 
     def render(self, wanted, col_specs, rowtype, render_space='empty'):
         """
-        returns 'mako'-rendered col_specs
+        returns 'evaluated' col_specs
 
         Input:
         - wanted: element from the wanted_list

report_xls/utils.py

@@ -19,11 +19,12 @@
 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 ##############################################################################
-#
+
 
 def _render(code):
     return compile(code, '<string>', 'eval')
 
+
 def rowcol_to_cell(row, col, row_abs=False, col_abs=False):
     # Code based upon utils from xlwt distribution
     """