send bookmarks to client

owrx/bookmarks.py

@@ -0,0 +1,43 @@
+import json
+
+
+class Bookmark(object):
+    def __init__(self, j):
+        self.name = j["name"]
+        self.frequency = j["frequency"]
+        self.modulation = j["modulation"]
+
+    def getName(self):
+        return self.name
+
+    def getFrequency(self):
+        return self.frequency
+
+    def getModulation(self):
+        return self.modulation
+
+    def __dict__(self):
+        return {
+            "name": self.getName(),
+            "frequency": self.getFrequency(),
+            "modulation": self.getModulation(),
+        }
+
+
+class Bookmarks(object):
+    sharedInstance = None
+    @staticmethod
+    def getSharedInstance():
+        if Bookmarks.sharedInstance is None:
+            Bookmarks.sharedInstance = Bookmarks()
+        return Bookmarks.sharedInstance
+
+    def __init__(self):
+        f = open("bookmarks.json", "r")
+        bookmarks_json = json.load(f)
+        f.close()
+        self.bookmarks = [Bookmark(d) for d in bookmarks_json]
+
+    def getBookmarks(self, range):
+        (lo, hi) = range
+        return [b for b in self.bookmarks if lo <= b.getFrequency() <= hi]