split python file into parts

bindings/py3devil1pld.py

@@ -0,0 +1,65 @@
+#!/usr/bin/python3
+import ctypes, sys
+
+sharedlib = './lib3ddevil1.so'
+libc      = ctypes.cdll.LoadLibrary(sharedlib)
+if not libc:
+    print("Couldn't load %s" % sharedlib)
+    sys.exit()
+del sys
+print("\nlib3ddevil1 loaded.")
+
+#--------------------------------------+
+#       Basic Struct
+#--------------------------------------+
+
+class PldHeader(ctypes.Structure):
+    _pack_   = 1
+    _fields_ = [
+        ("numOffset", ctypes.c_int),
+        ("offsets",   ctypes.POINTER(ctypes.c_int))
+    ]
+
+class Devil1PLD_FN(ctypes.Structure):
+    _fields_ = [
+        ("getheader"   , ctypes.CFUNCTYPE(
+                                          ctypes.c_bool,
+                                          ctypes.POINTER(PldHeader),
+                                          ctypes.c_char_p)),
+        ("sizeofsector", ctypes.CFUNCTYPE(
+                                          ctypes.c_int,  
+                                          ctypes.POINTER(PldHeader), 
+                                          ctypes.c_int)),
+        ("printheader" , ctypes.CFUNCTYPE(None, 
+                                          ctypes.POINTER(PldHeader)))
+    ]
+
+devil1pld = Devil1PLD_FN.in_dll(libc, "DEVIL1PLD")
+
+#--------------------------------------+
+#       Pythonic Object
+#--------------------------------------+
+
+class PLDHeader:
+    def __init__(self, filedata = None):
+        # Store C Struct in order to call C functions
+        self.cstruct = PldHeader()
+        if filedata:
+            devil1pld.getheader(ctypes.byref(self.cstruct), filedata)
+            self.eof = len(filedata)
+
+    def show(self):
+        devil1pld.printheader(ctypes.byref(self.cstruct))
+        return
+
+    def getnumoffsets(self):
+        return self.cstruct.numOffsets
+
+    # return pythonic list of offsets
+    def getoffsets(self):
+        return self.cstruct.offsets[:self.cstruct.numOffset]
+
+    def sizeofsector(self, i):
+        ptr = ctypes.byref(self.cstruct)
+        return devil1pld.sizeofsector(ptr, i, self.eof)
+