X-Git-Url: https://wagner.pp.ru/gitweb/?a=blobdiff_plain;f=ctypescrypto%2Fengine.py;fp=ctypescrypto%2Fengine.py;h=c2858e6ebd5b459a1dceac7eac99dc7d5be3388e;hb=287e8a5b1d7f5a8129619f733adbfc8b2de3e4c7;hp=0446d48c2649426fef33ba16ca10b19ae6b0c7d0;hpb=954b6dc9e3312f8d8b49f20f8466e6d2a8342f35;p=oss%2Fctypescrypto.git

diff --git a/ctypescrypto/engine.py b/ctypescrypto/engine.py
index 0446d48..c2858e6 100644
--- a/ctypescrypto/engine.py
+++ b/ctypescrypto/engine.py
@@ -1,38 +1,39 @@
 """
 engine loading and configuration
 """
-from ctypes import *
+from ctypes import c_void_p, c_char_p, c_int
 from ctypescrypto import libcrypto
 from ctypescrypto.exception import LibCryptoError
 
-__all__=['default','set_default']
+__all__ = ['default', 'set_default']
 
-default=None
+default = None
 
 def set_default(engine):
     """
-        Loads specified engine and sets it as default for all 
-        algorithms, supported by it
+    Loads specified engine and sets it as default for all
+    algorithms, supported by it
     """
     global default
-    e=libcrypto.ENGINE_by_id(engine)
-    if e is None:
+    eng = libcrypto.ENGINE_by_id(engine)
+    if eng is None:
         # Try load engine
-        e = libcrypto.ENGINE_by_id("dynamic")
-        if  e is None:
+        eng = libcrypto.ENGINE_by_id("dynamic")
+        if  eng is None:
             raise LibCryptoError("Cannot get 'dynamic' engine")
-        if not libcrypto.ENGINE_ctrl_cmd_string(e,"SO_PATH",engine,0):
+        if not libcrypto.ENGINE_ctrl_cmd_string(eng, "SO_PATH", engine, 0):
             raise LibCryptoError("Cannot execute ctrl cmd SO_PATH")
-        if not libcrypto.ENGINE_ctrl_cmd_string(e,"LOAD",None,0):
+        if not libcrypto.ENGINE_ctrl_cmd_string(eng, "LOAD", None, 0):
             raise LibCryptoError("Cannot execute ctrl cmd LOAD")
-    if e is None:
-        raise ValueError("Cannot find engine "+engine)
-    libcrypto.ENGINE_set_default(e,c_int(0xFFFF))
-    default=e
+    if eng is None:
+        raise ValueError("Cannot find engine " + engine)
+    libcrypto.ENGINE_set_default(eng, c_int(0xFFFF))
+    default = eng
 
 # Declare function result and arguments for used functions
-libcrypto.ENGINE_by_id.restype=c_void_p
-libcrypto.ENGINE_by_id.argtypes=(c_char_p,)
-libcrypto.ENGINE_set_default.argtypes=(c_void_p,c_int)
-libcrypto.ENGINE_ctrl_cmd_string.argtypes=(c_void_p,c_char_p,c_char_p,c_int)
-libcrypto.ENGINE_finish.argtypes=(c_char_p,)
+libcrypto.ENGINE_by_id.restype = c_void_p
+libcrypto.ENGINE_by_id.argtypes = (c_char_p, )
+libcrypto.ENGINE_set_default.argtypes = (c_void_p, c_int)
+libcrypto.ENGINE_ctrl_cmd_string.argtypes = (c_void_p, c_char_p, c_char_p,
+                                             c_int)
+libcrypto.ENGINE_finish.argtypes = (c_char_p, )