Add region aggregate + fix css

pygal/css/style.css

@@ -115,7 +115,7 @@
 
 {{ id }}.map-element {
   fill: {{ style.foreground }};
-  stroke: {{ style.plot_background }} !important;
+  stroke: {{ style.foreground_dark }} !important;
   opacity: .9;
   stroke-width: 3;
   -webkit-transition: 250ms;

pygal/graph/frenchmap.py

@@ -22,6 +22,7 @@ Worldmap chart
 """
 
 from __future__ import division
+from collections import defaultdict
 from pygal.ghost import ChartCollection
 from pygal.util import cut, cached_property, decorate
 from pygal.graph.graph import Graph
@@ -268,3 +269,116 @@ class FrenchMapRegions(FrenchMapDepartments):
 class FrenchMap(ChartCollection):
     Regions = FrenchMapRegions
     Departments = FrenchMapDepartments
+
+
+DEPARTMENTS_REGIONS = {
+    "01": "82",
+    "02": "22",
+    "03": "83",
+    "04": "93",
+    "05": "93",
+    "06": "93",
+    "07": "82",
+    "08": "21",
+    "09": "73",
+    "10": "21",
+    "11": "91",
+    "12": "73",
+    "13": "93",
+    "14": "25",
+    "15": "83",
+    "16": "54",
+    "17": "54",
+    "18": "24",
+    "19": "74",
+    "21": "26",
+    "22": "53",
+    "23": "74",
+    "24": "72",
+    "25": "43",
+    "26": "82",
+    "27": "23",
+    "28": "24",
+    "29": "53",
+    "2A": "94",
+    "2B": "94",
+    "30": "91",
+    "31": "73",
+    "32": "73",
+    "33": "72",
+    "34": "91",
+    "35": "53",
+    "36": "24",
+    "37": "24",
+    "38": "82",
+    "39": "43",
+    "40": "72",
+    "41": "24",
+    "42": "82",
+    "43": "83",
+    "44": "52",
+    "45": "24",
+    "46": "73",
+    "47": "72",
+    "48": "91",
+    "49": "52",
+    "50": "25",
+    "51": "21",
+    "52": "21",
+    "53": "52",
+    "54": "41",
+    "55": "41",
+    "56": "53",
+    "57": "41",
+    "58": "26",
+    "59": "31",
+    "60": "22",
+    "61": "25",
+    "62": "31",
+    "63": "83",
+    "64": "72",
+    "65": "73",
+    "66": "91",
+    "67": "42",
+    "68": "42",
+    "69": "82",
+    "70": "43",
+    "71": "26",
+    "72": "52",
+    "73": "82",
+    "74": "82",
+    "75": "11",
+    "76": "23",
+    "77": "11",
+    "78": "11",
+    "79": "54",
+    "80": "22",
+    "81": "73",
+    "82": "73",
+    "83": "93",
+    "84": "93",
+    "85": "52",
+    "86": "54",
+    "87": "74",
+    "88": "41",
+    "89": "26",
+    "90": "43",
+    "91": "11",
+    "92": "11",
+    "93": "11",
+    "94": "11",
+    "95": "11",
+    "971": "01",
+    "972": "02",
+    "973": "03",
+    "974": "04",
+    "975": "05",
+    "976": "06"
+}
+
+
+def aggregate_regions(values):
+    regions = defaultdict(int)
+    for department, value in values:
+        regions[DEPARTMENTS_REGIONS[department]] += value
+    return list(regions.items())