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[tor-commits] [stem/master] Defer address validity check to Address constructor



commit c1dc2ec4998d7816161beaa53ff19a2ca8a2564b
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date:   Tue Feb 6 10:35:46 2018 -0800

    Defer address validity check to Address constructor
    
    There's no need to do upfront validation of our address since the Address
    constructor already does this.
---
 stem/client/__init__.py     | 12 ++----------
 stem/client/cell.py         |  2 --
 stem/client/datatype.py     |  2 +-
 test/unit/client/address.py |  2 +-
 4 files changed, 4 insertions(+), 14 deletions(-)

diff --git a/stem/client/__init__.py b/stem/client/__init__.py
index 3f8507e5..b743a0eb 100644
--- a/stem/client/__init__.py
+++ b/stem/client/__init__.py
@@ -34,7 +34,7 @@ import stem.client.cell
 import stem.socket
 import stem.util.connection
 
-from stem.client.datatype import ZERO, AddrType, Address, KDF, split
+from stem.client.datatype import ZERO, Address, KDF, split
 
 __all__ = [
   'cell',
@@ -71,13 +71,6 @@ class Relay(object):
       * :class:`stem.SocketError` if we're unable to establish a connection
     """
 
-    if stem.util.connection.is_valid_ipv4_address(address):
-      addr_type = AddrType.IPv4
-    elif stem.util.connection.is_valid_ipv6_address(address):
-      addr_type = AddrType.IPv6
-    else:
-      raise ValueError("'%s' isn't an IPv4 or IPv6 address" % address)
-
     if not stem.util.connection.is_valid_port(port):
       raise ValueError("'%s' isn't a valid port" % port)
     elif not link_protocols:
@@ -111,10 +104,9 @@ class Relay(object):
       raise stem.SocketError('Unable to find a common link protocol. We support %s but %s:%i supports %s.' % (', '.join(link_protocols), address, port, ', '.join(versions_reply.versions)))
 
     # TODO: we should fill in our address, right?
-    # TODO: what happens if we skip the NETINFO?
 
     link_protocol = max(common_protocols)
-    conn.send(stem.client.cell.NetinfoCell(Address(address, addr_type), []).pack(link_protocol))
+    conn.send(stem.client.cell.NetinfoCell(Address(address), []).pack(link_protocol))
 
     return Relay(conn, link_protocol)
 
diff --git a/stem/client/cell.py b/stem/client/cell.py
index 041e1c39..4ac8d40e 100644
--- a/stem/client/cell.py
+++ b/stem/client/cell.py
@@ -346,8 +346,6 @@ class RelayCell(CircuitCell):
 
   @classmethod
   def _unpack(cls, content, circ_id, link_protocol):
-    orig_content = content
-
     command, content = Size.CHAR.pop(content)
     recognized, content = Size.SHORT.pop(content)  # 'recognized' field
     stream_id, content = Size.SHORT.pop(content)
diff --git a/stem/client/datatype.py b/stem/client/datatype.py
index 8b4c8e64..352a643e 100644
--- a/stem/client/datatype.py
+++ b/stem/client/datatype.py
@@ -347,7 +347,7 @@ class Address(Field):
       elif stem.util.connection.is_valid_ipv6_address(value):
         addr_type = AddrType.IPv6
       else:
-        raise ValueError('Address type is required unless an IPv4 or IPv6 address')
+        raise ValueError("'%s' isn't an IPv4 or IPv6 address" % value)
 
     self.type, self.type_int = AddrType.get(addr_type)
 
diff --git a/test/unit/client/address.py b/test/unit/client/address.py
index f3da4971..09fcee95 100644
--- a/test/unit/client/address.py
+++ b/test/unit/client/address.py
@@ -44,7 +44,7 @@ class TestAddress(unittest.TestCase):
 
     self.assertRaisesRegexp(ValueError, re.escape("Packed IPv4 addresses should be four bytes, but was: '\\x7f\\x00'"), Address, '\x7f\x00', 4)
     self.assertRaisesRegexp(ValueError, re.escape("Packed IPv6 addresses should be sixteen bytes, but was: '\\x7f\\x00'"), Address, '\x7f\x00', 6)
-    self.assertRaisesRegexp(ValueError, re.escape('Address type is required unless an IPv4 or IPv6 address'), Address, 'nope')
+    self.assertRaisesRegexp(ValueError, re.escape("'nope' isn't an IPv4 or IPv6 address"), Address, 'nope')
 
   def test_unknown_type(self):
     addr = Address('hello', 12)



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