Changed TimeSeries test to match that of the ruby test.

Moved base Graph css into a separate file.
Incorporated cssutils for actual CSS parsing (many warnings and errors occur).
Updated dependencies.

lib/svg/charts/graph.css

@@ -0,0 +1,87 @@
+.svgBackground{
+  fill:#ffffff;
+}
+.graphBackground{
+  fill:#f0f0f0;
+}
+
+/* graphs titles */
+.mainTitle{
+  text-anchor: middle;
+  fill: #000000;
+  font-size: %(title_font_size)dpx;
+  font-family: "Arial", sans-serif;
+  font-weight: normal;
+}
+.subTitle{
+  text-anchor: middle;
+  fill: #999999;
+  font-size: %(subtitle_font_size)dpx;
+  font-family: "Arial", sans-serif;
+  font-weight: normal;
+}
+
+.axis{
+  stroke: #000000;
+  stroke-width: 1px;
+}
+
+.guideLines{
+  stroke: #666666;
+  stroke-width: 1px;
+  stroke-dasharray: 5 5;
+}
+
+.xAxisLabels{
+  text-anchor: middle;
+  fill: #000000;
+  font-size: %(x_label_font_size)dpx;
+  font-family: "Arial", sans-serif;
+  font-weight: normal;
+}
+
+.yAxisLabels{
+  text-anchor: end;
+  fill: #000000;
+  font-size: %(y_label_font_size)dpx;
+  font-family: "Arial", sans-serif;
+  font-weight: normal;
+}
+
+.xAxisTitle{
+  text-anchor: middle;
+  fill: #ff0000;
+  font-size: %(x_title_font_size)dpx;
+  font-family: "Arial", sans-serif;
+  font-weight: normal;
+}
+
+.yAxisTitle{
+  fill: #ff0000;
+  text-anchor: middle;
+  font-size: %(y_title_font_size)dpx;
+  font-family: "Arial", sans-serif;
+  font-weight: normal;
+}
+
+.dataPointLabel{
+  fill: #000000;
+  text-anchor:middle;
+  font-size: 10px;
+  font-family: "Arial", sans-serif;
+  font-weight: normal;
+}
+
+.staggerGuideLine{
+  fill: none;
+  stroke: #000000;
+  stroke-width: 0.5px;  
+}
+
+.keyText{
+  fill: #000000;
+  text-anchor:start;
+  font-size: %(key_font_size)dpx;
+  font-family: "Arial", sans-serif;
+  font-weight: normal;
+}

lib/svg/charts/graph.py

@@ -4,7 +4,8 @@
 from xml.dom import minidom as dom
 from operator import itemgetter
 from itertools import islice
-from cssutils import css, stylesheets
+import cssutils
+import pkg_resources
 
 try:
 	import zlib
@@ -642,105 +643,11 @@ class Graph(object):
 		self.graph_height = self.height - self.border_top - self.border_bottom
 		
 	def get_style(self):
-		sheet = css.CSSStyleSheet()
-		master_bg_style = css.CSSStyleDeclaration()
-		master_bg_style.setProperty('fill', '#ffffff')
-		rule = css.CSSStyleRule(selectorText=u'.svgBackground', style=master_bg_style)
-		sheet.insertRule(rule)
-		result = sheet.cssText
-		result = """/* Copy from here for external style sheet */
-.svgBackground{
-  fill:#ffffff;
-}
-.graphBackground{
-  fill:#f0f0f0;
-}
-
-/* graphs titles */
-.mainTitle{
-  text-anchor: middle;
-  fill: #000000;
-  font-size: %(title_font_size)dpx;
-  font-family: "Arial", sans-serif;
-  font-weight: normal;
-}
-.subTitle{
-  text-anchor: middle;
-  fill: #999999;
-  font-size: %(subtitle_font_size)dpx;
-  font-family: "Arial", sans-serif;
-  font-weight: normal;
-}
-
-.axis{
-  stroke: #000000;
-  stroke-width: 1px;
-}
-
-.guideLines{
-  stroke: #666666;
-  stroke-width: 1px;
-  stroke-dasharray: 5 5;
-}
-
-.xAxisLabels{
-  text-anchor: middle;
-  fill: #000000;
-  font-size: %(x_label_font_size)dpx;
-  font-family: "Arial", sans-serif;
-  font-weight: normal;
-}
-
-.yAxisLabels{
-  text-anchor: end;
-  fill: #000000;
-  font-size: %(y_label_font_size)dpx;
-  font-family: "Arial", sans-serif;
-  font-weight: normal;
-}
-
-.xAxisTitle{
-  text-anchor: middle;
-  fill: #ff0000;
-  font-size: %(x_title_font_size)dpx;
-  font-family: "Arial", sans-serif;
-  font-weight: normal;
-}
-
-.yAxisTitle{
-  fill: #ff0000;
-  text-anchor: middle;
-  font-size: %(y_title_font_size)dpx;
-  font-family: "Arial", sans-serif;
-  font-weight: normal;
-}
-
-.dataPointLabel{
-  fill: #000000;
-  text-anchor:middle;
-  font-size: 10px;
-  font-family: "Arial", sans-serif;
-  font-weight: normal;
-}
-
-.staggerGuideLine{
-  fill: none;
-  stroke: #000000;
-  stroke-width: 0.5px;  
-}
-
-%%s
-
-.keyText{
-  fill: #000000;
-  text-anchor:start;
-  font-size: %(key_font_size)dpx;
-  font-family: "Arial", sans-serif;
-  font-weight: normal;
-}
-/* End copy for external style sheet */
-""" % class_dict(self)
-		result = result % self.get_css()
+		css_stream = pkg_resources.resource_stream('svg.charts', 'graph.css')
+		css_string = css_stream.read()
+		sheet = cssutils.parseString(css_string).cssText
+		sheet = sheet % class_dict(self)
+		result = '\n'.join((sheet, self.get_css()))
 		return result
 
 	def _create_element(self, nodeName, attributes={}):

setup.py

@@ -16,7 +16,8 @@ setup(name = "svg.charts",
 	package_dir = {'':'lib'},
 	install_requires=[
 		'python-dateutil>=1.4',
-		'cssutils==0.9.5',
+		'cssutils>=0.9.5.1',
+		# TODO: consider lxml
 	],
 	license = "MIT",
 	long_description = """\

tests/testing.py

@@ -23,7 +23,7 @@ g = time_series.Plot({})
 g.timescale_divisions = '4 hours'
 g.stagger_x_labels = True
 g.x_label_format = '%d-%b %H:%M'
-g.max_y_value = 200
+#g.max_y_value = 200
 
 g.add_data({'data': ['2005-12-21T00:00:00', 20, '2005-12-22T00:00:00', 21], 'title': 'series 1'})