Close issue #54 by adding a read1 method to the MagicKeyFile class

python/obitools3/files/uncompress.pxd

@@ -9,6 +9,7 @@ cdef class MagicKeyFile:
     cdef int    pos
     
     cpdef bytes read(self,int size=?)
+    cpdef bytes read1(self,int size=?)
     cpdef int tell(self)
 
     

python/obitools3/files/uncompress.pyx

@@ -39,6 +39,9 @@ cdef class MagicKeyFile:
     cpdef bytes read(self,int size=-1):
         cdef bytes r
         
+        print(self.keylength)
+        print(size)
+        
         if self.pos < self.keylength:
             if size > (self.keylength - self.pos):
                 size = size - self.keylength + self.pos
@@ -54,14 +57,17 @@ cdef class MagicKeyFile:
             r = self.binary.read(size)
             
         return r
-    
+
+    cpdef bytes read1(self,int size=-1):
+        return self.read(size)
+
     cpdef int tell(self):
         cdef int p
         
         if self.pos < self.keylength:
             p = self.pos 
         else:
-            p = self.tell()
+            p = self.binary.tell()
         
         return p