Fix pygal_gen. Fix #99

CHANGELOG

@@ -1,3 +1,8 @@
+V 1.4.4
+	Fix division by zero in spark text (thanks laserpony)
+	Fix config metaclass problem in python 3
+	Fix --version in pygal_gen
+
 V 1.4.3
 	Allow arbitrary number of x-labels on line plot (thanks nsmgr8)
 

pygal/__init__.py

@@ -21,7 +21,7 @@ Pygal -  A python svg graph plotting library
 
 """
 
-__version__ = '1.4.3'
+__version__ = '1.4.4'
 import sys
 from pygal.config import Config
 from pygal.ghost import Ghost, REAL_CHARTS

pygal/config.py

@@ -101,11 +101,9 @@ class MetaConfig(type):
         return type.__new__(mcs, classname, bases, classdict)
 
 
-class Config(object):
+class Config(MetaConfig('ConfigBase', (object,), {})):
     """Class holding config values"""
 
-    __metaclass__ = MetaConfig
-
     style = Key(
         DefaultStyle, Style, "Style", "Style holding values injected in css")
 
@@ -230,7 +228,8 @@ class Config(object):
         0, int, "Label", "Specify y labels rotation angles", "in degrees")
 
     x_label_format = Key(
-        "%Y-%m-%d %H:%M:%S.%f", str, "Label", "Date format for strftime to display the DateY X labels")
+        "%Y-%m-%d %H:%M:%S.%f", str, "Label",
+        "Date format for strftime to display the DateY X labels")
 
     ############ Value ############
     human_readable = Key(

pygal/i18n.py

@@ -202,6 +202,7 @@ NAFTA = ['ca', 'mx', 'us']
 SUPRANATIONAL = {'europe': EUROPE, 'oecd': OECD, 'nafta': NAFTA, 'eur': EUR}
 
 
-def set_countries(countries):
+def set_countries(countries, clear=False):
-    COUNTRIES.clear()
+    if clear:
+        COUNTRIES.clear()
     COUNTRIES.update(countries)

pygal/test/test_config.py

@@ -317,3 +317,8 @@ def test_inline_css(Chart):
     chart.add('/', [10, 1, 5])
     svg = chart.render().decode('utf-8')
     assert '#bedead' in svg
+
+
+def test_meta_config():
+    from pygal.config import CONFIG_ITEMS
+    assert all(c.name != 'Unbound' for c in CONFIG_ITEMS)

pygal_gen.py

@@ -22,8 +22,7 @@ import pygal
 
 parser = argparse.ArgumentParser(
     description='Generate pygal chart in command line',
-    prog='pygal_gen',
+    prog='pygal_gen')
-    version=pygal.__version__)
 
 parser.add_argument('-t', '--type', dest='type', default='Line',
                     choices=map(lambda x: x.__name__, pygal.CHARTS),
@@ -35,6 +34,9 @@ parser.add_argument('-o', '--output', dest='filename', default='pygal_out.svg',
 parser.add_argument('-s', '--serie', dest='series', nargs='+', action='append',
                     help='Add a serie in the form (title val1 val2...)')
 
+parser.add_argument('--version', action='version',
+                    version='pygal %s' % pygal.__version__)
+
 for key in pygal.config.CONFIG_ITEMS:
     opt_name = key.name
     val = key.value