Implement the ability to set "id" for most elements

simplekml/base.py

@@ -33,8 +33,11 @@ class Kmlable(object):
     _compiling = False
     _namespaces = ['xmlns="http://www.opengis.net/kml/2.2"', 'xmlns:gx="http://www.google.com/kml/ext/2.2"']
 
-    def __init__(self):
-        self._id = str(Kmlable._globalid)
+    def __init__(self, id=None):
+        if not id:
+            self._id = str(Kmlable._globalid)
+        else:
+            self._id = id
         Kmlable._globalid += 1
         try:
             from collections import OrderedDict

simplekml/featgeom.py

@@ -41,6 +41,7 @@ class Feature(Kmlable):
 
     def __init__(self,
                  name=None,
+                 id=None,
                  visibility=None,
                  open=None,
                  atomauthor=None,
@@ -57,7 +58,7 @@ def __init__(self,
                  region=None,
                  extendeddata=None,
                  gxballoonvisibility=None):
-        super(Feature, self).__init__()
+        super(Feature, self).__init__(id=id)
         self._kml['name'] = name
         self._kml['visibility'] = visibility
         self._kml['open'] = open

simplekml/schema.py

@@ -159,8 +159,8 @@ class Schema(Kmlable):
     The arguments are the same as the properties.
     """
 
-    def __init__(self, name=None):
-        super(Schema, self).__init__()
+    def __init__(self, name=None, id=None):
+        super(Schema, self).__init__(id=id)
         self._kml['name'] = name
         self.simplefields = []
         self.gxsimplearrayfields = []

simplekml/styleselector.py

@@ -26,8 +26,8 @@ class StyleSelector(Kmlable):
     There are no arguments.
     """
 
-    def __init__(self):
-        super(StyleSelector, self).__init__()
+    def __init__(self, id=None):
+        super(StyleSelector, self).__init__(id=id)
 
     @property
     def id(self):
@@ -57,8 +57,9 @@ def __init__(self,
                  linestyle=None,
                  polystyle=None,
                  balloonstyle=None,
-                 liststyle=None):
-        super(Style, self).__init__()
+                 liststyle=None,
+                 id=None):
+        super(Style, self).__init__(id=id)
         self._kml["IconStyle_"] = iconstyle
         self._kml["LabelStyle_"] = labelstyle
         self._kml["LineStyle_"] = linestyle
@@ -158,8 +159,9 @@ class StyleMap(StyleSelector):
     """
     def __init__(self,
                  normalstyle=None,
-                 highlightstyle=None):
-        super(StyleMap, self).__init__()
+                 highlightstyle=None,
+                 id=None):
+        super(StyleMap, self).__init__(id=id)
         self._pairnormal = None
         self._pairhighlight = None
         self.normalstyle = normalstyle

simplekml/substyle.py

@@ -30,8 +30,8 @@ class ColorStyle(Kmlable):
       Not to be used directly.
     """
 
-    def __init__(self, color=None, colormode=ColorMode.normal):
-        super(ColorStyle, self).__init__()
+    def __init__(self, color=None, colormode=ColorMode.normal, id=None):
+        super(ColorStyle, self).__init__(id=id)
         self._kml["color"] = color
         self._kml["colorMode"] = colormode
 
@@ -305,8 +305,9 @@ def __init__(self,
                  bgcolor=None,
                  textcolor=None,
                  text=None,
-                 displaymode=DisplayMode.default):
-        super(BalloonStyle, self).__init__()
+                 displaymode=DisplayMode.default,
+                 id=None):
+        super(BalloonStyle, self).__init__(id=id)
         self._kml["bgColor"] = bgcolor
         self._kml["textColor"] = textcolor
         self._kml["text"] = text
@@ -373,8 +374,9 @@ class ListStyle(Kmlable):
     def __init__(self,
                  listitemtype=ListItemType.check,
                  bgcolor=None,
-                 itemicon=None):
-        super(ListStyle, self).__init__()
+                 itemicon=None,
+                 id=None):
+        super(ListStyle, self).__init__(id=id)
         self._kml["listItemType"] = listitemtype
         self._kml["bgColor"] = bgcolor
         self._kml["ItemIcon"] = itemicon