parsing lamedb for services

main/eparser/lamedb.py

@@ -1,19 +1,46 @@
 from collections import namedtuple
 
-Channel = namedtuple("Channel", ["name", "service", "freq", "fec"])
+Channel = namedtuple("Channel", ["service", "package", "freq", "fec"])
 
-FILE_PATH = "files/lamedb_example"
-
-with open(FILE_PATH) as file:
-    lines = file.readlines()
+FILE_PATH = "../data/lamedb_example"
 
 
-for l in lines:
-    l.split()
+def parse(path):
+    with open(path, "r") as file:
+        data = str(file.read())
+    services, sep, transponders = data.partition("services")  # 1 step
+    transponders, sep, services = transponders.partition("transponders")  # 2 step
+    transponders, sep, services = services.partition("end")  # 3 step
+    services = services.split("\n")
 
-print(lines)
+    while len(services) % 3 == 0:
+        services.append("\n")
+
+    srv = []
+    tmp = []
+    for i, line in enumerate(services):
+        tmp.append(line)
+        if i % 3 == 0:
+            srv.append(tuple(tmp))
+            tmp.clear()
+
+    if srv[0][0] == "":  # remove first empty element
+        srv.remove(srv[0])
+
+    if srv[0][0] == "services":  # building one element from first and last if necessary!
+        first = srv.pop(0)
+        last = srv.pop()
+        srv.insert(0, (last[0], first[1], first[2]))
+
+    channels = []
+    for ch in srv:
+        pack = str(ch[0])
+        pack = pack[2:pack.find(",")]
+        channels.append(Channel(ch[2], pack, None, None))
+
+    for ch in channels:
+        print(ch)
 
 
 if __name__ == "__main__":
-    pass
-
+    parse(FILE_PATH)