render: Move default SVG stylesheet to external resource

2 files changed, 60 insertions, 54 deletions

diff --git a/lulua/data/render-svg.css b/lulua/data/render-svg.css
new file mode 100644
index 0000000..714c56d
--- /dev/null
+++ b/lulua/data/render-svg.css
@@ -0,0 +1,51 @@
+svg {
+	font-family: "IBM Plex Arabic";
+	font-size: 25pt;
+}
+.button.unused {
+	opacity: 0.6;
+}
+.button .label .layer-1 {
+}
+.button.modifier .label .layer-1 {
+	font-size: 80%;
+}
+.button .label .layer-2, .button .label .layer-3, .button .label .layer-4 {
+	font-size: 80%;
+	font-weight: 200;
+}
+.button .label .controlchar {
+font-size: 40%; font-family: sans-serif;
+}
+.button .cap {
+	fill: #eee8d5;
+}
+.button.finger-little .shadow {
+	fill: #dc322f; /* red */
+}
+.button.finger-ring .shadow {
+	fill: #268bd2; /* blue */
+}
+.button.finger-middle .shadow {
+	fill: #d33682; /* magenta */
+}
+.button.finger-index .shadow {
+	fill: #6c71c4; /* violet */
+}
+.button.finger-thumb .shadow {
+	fill: #2aa198; /* cyan */
+}
+.button .label {
+	fill: #657b83;
+}
+.button .controllabel {
+	stroke: #657b83;
+	fill: none;
+}
+.button .marker-shadow {
+	stroke: #93a1a1;
+}
+.button .marker {
+	stroke: #fdf6e3;
+}
+
diff --git a/lulua/render.py b/lulua/render.py
index dce8961..b821232 100644
--- a/lulua/render.py
+++ b/lulua/render.py
@@ -18,7 +18,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
-import argparse, sys, logging
+import argparse, sys, logging, pkg_resources
 from collections import namedtuple, defaultdict
 from operator import attrgetter
 from datetime import datetime
@@ -200,62 +200,10 @@ def renderSvg (args):
     layout = defaultLayouts[args.layout].specialize (keyboard)
     writer = Writer (layout)
 
-    style = """
-            svg {
-                font-family: "IBM Plex Arabic";
-                font-size: 25pt;
-            }
-            .button.unused {
-                opacity: 0.6;
-            }
-            .button .label .layer-1 {
-            }
-            .button.modifier .label .layer-1 {
-                font-size: 80%;
-            }
-            .button .label .layer-2, .button .label .layer-3, .button .label .layer-4 {
-                font-size: 80%;
-                font-weight: 200;
-            }
-            .button .label .controlchar {
-            font-size: 40%; font-family: sans-serif;
-            }
-            .button .cap {
-                fill: #eee8d5;
-            }
-            .button.finger-little .shadow {
-                fill: #dc322f; /* red */
-            }
-            .button.finger-ring .shadow {
-                fill: #268bd2; /* blue */
-            }
-            .button.finger-middle .shadow {
-                fill: #d33682; /* magenta */
-            }
-            .button.finger-index .shadow {
-                fill: #6c71c4; /* violet */
-            }
-            .button.finger-thumb .shadow {
-                fill: #2aa198; /* cyan */
-            }
-            .button .label {
-                fill: #657b83;
-            }
-            .button .controllabel {
-                stroke: #657b83;
-                fill: none;
-            }
-            .button .marker-shadow {
-                stroke: #93a1a1;
-            }
-            .button .marker {
-                stroke: #fdf6e3;
-            }
-            """
     r = Renderer (keyboard, layout=layout, writer=writer)
     rendered, (w, h) = r.render ()
     d = svgwrite.Drawing(args.output, size=(w*em, h*em), profile='full')
-    d.defs.add (d.style (style))
+    d.defs.add (d.style (args.style.read ().decode ('utf-8')))
     d.add (rendered)
     d.save()
 
@@ -366,6 +314,13 @@ def render ():
             default='ibmpc105', help='Physical keyboard name')
     subparsers = parser.add_subparsers()
     sp = subparsers.add_parser('svg')
+    sp.add_argument('-s', '--style',
+            metavar='FILE',
+            default=pkg_resources.resource_stream (__package__, 'data/render-svg.css'),
+            # pkg_resources returns bytes(), so we’ll need to decode to unicode
+            # ourselves
+            type=argparse.FileType('rb'),
+            help='Include external stylesheet into SVG')
     sp.set_defaults (func=renderSvg)
     sp = subparsers.add_parser('xmodmap')
     sp.set_defaults (func=renderXmodmap)