Python3 compat: to_string function

Author: AlexisTM

README.md

@@ -7,14 +7,13 @@ This allows you to create a custom made Ethernet/WiFi communication system which
 Python versions tested:
 
 - [x] 2.7.x
-- [ ] 3.x
+- [x] 3.5.x
 
 OSes:
 
 - [ ] Linux 14.04
 - [x] Linux 16.04
 - [ ] Linux 18.04
-- [ ] Linux 18.04
 - [ ] Windows 10
 - [ ] Mac OSX
 
@@ -54,7 +53,7 @@ On one computer:
 ```bash
 sudo python -c "from rawsocketpy import RawSocket
 sock = RawSocket('wlp2s0', 0xEEFA)
-print(sock.recv())"
+while True: print(sock.recv())"
 
 # 12:34:56:78:9A:BC == 0xEEFA => FF:FF:FF:FF:FF:FF - OK:
 # Boo
@@ -65,7 +64,7 @@ On the second computer:
 ```bash
 sudo python -c "from rawsocketpy import RawSocket
 sock = RawSocket('wlp2s0', 0xEEFA)
-print(sock.send('Boo'))"
+>hile True: print(sock.send('Boo'))"
 ```
 
 ## In-depth
@@ -110,9 +109,9 @@ print u_to_str(packet.type, "") # Human readable type: EEFA
 You are free to contribue, the following capabilities are welcome:
 
 - Windows compatibility
-- Python 3.x compatibility
-- Server implementation (callbacks on new data)
+- Async implementation (callbacks on new data)
 - Readthedocs documentation
+- More Python versions and OS tests
 
 ## Credits
 

rawsocketpy/__init__.py

@@ -1,4 +1,4 @@
 # Package init
 
-from .util import get_hw, u_to_str, protocol_to_ethertype, to_bytes
+from .util import get_hw, protocol_to_ethertype, to_bytes, to_str
 from .main import RawPacket, RawSocket

rawsocketpy/main.py

@@ -1,5 +1,5 @@
 import socket, select, struct, time
-from .util import get_hw, u_to_str, protocol_to_ethertype, to_bytes
+from .util import get_hw, to_str, protocol_to_ethertype, to_bytes
 
 class RawPacket():
     def __init__(self, data):
@@ -12,14 +12,15 @@ def __init__(self, data):
             self.dest, self.src, self.type = data[0:6], data[6:12], data[12:14]
             self.data = data[14:]
             self.success = True
-        except:
+        except Exception as e:
+            print("rawsocket: ", e)
             self.success = False
 
     def __repr__(self):
-        return "".join([u_to_str(self.src), " == 0x", u_to_str(self.type, separator=""), " => ", u_to_str(self.dest), " - ", "OK" if self.success else "FAILED"])
+        return "".join([to_str(self.src), " == 0x", to_str(self.type, separator=""), " => ", to_str(self.dest), " - ", "OK" if self.success else "FAILED"])
 
     def __str__(self):
-        return "".join([self.__repr__(), ":\n", self.data])
+        return "".join([self.__repr__(), ":\n", self.data.decode('utf-8')])
 
 class RawSocket(object):
     BROADCAST = "\xff\xff\xff\xff\xff\xff"

rawsocketpy/util.py

@@ -13,15 +13,19 @@ def get_hw(ifname):
         s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
         info = fcntl.ioctl(s.fileno(), 0x8927,  struct.pack('256s',  bytearray(ifname[:15], 'utf-8')))
         return info[18:24]
-
 else:
     def get_hw(ifname):
         s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
         info = fcntl.ioctl(s.fileno(), 0x8927,  struct.pack('256s', ifname[:15]))
         return info[18:24]
 
-def u_to_str(data, separator=":"):
-    return separator.join("{:02x}".format(ord(c)) for c in data).upper()
+def to_str(data, separator=":"):
+    if type(data) is str:
+        return separator.join(["{:02x}".format(ord(c)) for c in data])
+    if type(data) in [bytes, bytearray]:
+        return separator.join(["{:02x}".format(c) for c in data])
+    else:
+        return str(data)
 
 def protocol_to_ethertype(protocol):
     return chr((protocol & 0xFF00) >> 8) + chr(protocol & 0x00FF)

setup.py

@@ -14,6 +14,7 @@
       license='MIT',
       packages=setuptools.find_packages(),
       classifiers=(
+          "Programming Language :: Python :: 2",
           "Programming Language :: Python :: 2",
           "Development Status :: 4 - Beta",
           "License :: OSI Approved :: MIT License",