[style] update python style to conform to PEP 8 (#3951)

With the exception of line length set to 119 vs. 79.

Add tests/ and tools/ to py-pretty-check.

tests/scripts/thread-cert/network_layer.py

@@ -27,7 +27,6 @@
 #  POSSIBILITY OF SUCH DAMAGE.
 #
 
-import io
 import struct
 
 from binascii import hexlify
@@ -60,7 +59,6 @@ class StatusValues(IntEnum):
 
 
 class TargetEid(object):
-
     def __init__(self, eid):
         self._eid = eid
 
@@ -77,7 +75,6 @@ class TargetEid(object):
 
 
 class TargetEidFactory(object):
-
     def parse(self, data, message_info):
         eid = bytearray(data.read(16))
 
@@ -85,7 +82,6 @@ class TargetEidFactory(object):
 
 
 class MacExtendedAddress(object):
-
     def __init__(self, mac_address):
         self._mac_address = mac_address
 
@@ -98,11 +94,12 @@ class MacExtendedAddress(object):
         return self.mac_address == other.mac_address
 
     def __repr__(self):
-        return "MacExtendedAddress(mac_address={})".format(hexlify(self.mac_address))
+        return "MacExtendedAddress(mac_address={})".format(
+            hexlify(self.mac_address)
+        )
 
 
 class MacExtendedAddressFactory(object):
-
     def parse(self, data, message_info):
         mac_address = bytearray(data.read(8))
 
@@ -110,7 +107,6 @@ class MacExtendedAddressFactory(object):
 
 
 class Rloc16(object):
-
     def __init__(self, rloc16):
         self._rloc16 = rloc16
 
@@ -127,7 +123,6 @@ class Rloc16(object):
 
 
 class Rloc16Factory(object):
-
     def parse(self, data, message_info):
         rloc16 = struct.unpack(">H", data.read(2))[0]
 
@@ -135,7 +130,6 @@ class Rloc16Factory(object):
 
 
 class MlEid(object):
-
     def __init__(self, ml_eid):
         self._ml_eid = ml_eid
 
@@ -152,7 +146,6 @@ class MlEid(object):
 
 
 class MlEidFactory(object):
-
     def parse(self, data, message_info):
         ml_eid = bytearray(data.read(8))
 
@@ -160,7 +153,6 @@ class MlEidFactory(object):
 
 
 class Status(object):
-
     def __init__(self, status):
         self._status = status
 
@@ -177,7 +169,6 @@ class Status(object):
 
 
 class StatusFactory(object):
-
     def parse(self, data, message_info):
         status = StatusValues(ord(data.read(1)))
 
@@ -185,7 +176,6 @@ class StatusFactory(object):
 
 
 class TimeSinceLastTransaction(object):
-
     def __init__(self, seconds):
         self._seconds = seconds
 
@@ -202,7 +192,6 @@ class TimeSinceLastTransaction(object):
 
 
 class TimeSinceLastTransactionFactory(object):
-
     def parse(self, data, message_info):
         seconds = struct.unpack(">L", data.read(4))[0]
 
@@ -210,7 +199,6 @@ class TimeSinceLastTransactionFactory(object):
 
 
 class RouterMask(object):
-
     def __init__(self, id_sequence, router_id_mask):
         self._id_sequence = id_sequence
         self._router_id_mask = router_id_mask
@@ -225,14 +213,18 @@ class RouterMask(object):
 
     def __eq__(self, other):
         common.expect_the_same_class(self, other)
-        return self.id_sequence == other.id_sequence and self.router_id_mask == other.router_id_mask
+        return (
+            self.id_sequence == other.id_sequence
+            and self.router_id_mask == other.router_id_mask
+        )
 
     def __repr__(self):
-        return "RouterMask(id_sequence={}, router_id_mask={})".format(self.id_sequence, hex(self.router_id_mask))
+        return "RouterMask(id_sequence={}, router_id_mask={})".format(
+            self.id_sequence, hex(self.router_id_mask)
+        )
 
 
 class RouterMaskFactory(object):
-
     def parse(self, data, message_info):
         id_sequence = ord(data.read(1))
         router_id_mask = struct.unpack(">Q", data.read(8))[0]
@@ -241,7 +233,6 @@ class RouterMaskFactory(object):
 
 
 class NdOption(object):
-
     def __init__(self, options):
         self._options = options
 
@@ -254,11 +245,12 @@ class NdOption(object):
         return self.options == other.options
 
     def __repr__(self):
-        return "NdOption(options=[{}])".format(", ".join([str(opt) for opt in self.options]))
+        return "NdOption(options=[{}])".format(
+            ", ".join([str(opt) for opt in self.options])
+        )
 
 
 class NdOptionFactory(object):
-
     def parse(self, data, message_info):
         options = [opt for opt in bytearray(data.read())]
         return NdOption(options)
@@ -275,6 +267,7 @@ class NdDataFactory(object):
     def parse(self, data, message_info):
         raise NotImplementedError("TODO: Not implemented yet")
 
+
 class XtalAccuracy:
     # TODO: Not implemented yet
 
@@ -283,13 +276,11 @@ class XtalAccuracy:
 
 
 class XtalAccuracyFactory:
-
     def parse(self, data, message_info):
         return XtalAccuracy()
 
 
 class ThreadNetworkData(object):
-
     def __init__(self, tlvs):
         self._tlvs = tlvs
 
@@ -302,15 +293,15 @@ class ThreadNetworkData(object):
         return self.tlvs == other.tlvs
 
     def __repr__(self):
-        return "ThreadNetworkData(tlvs=[{}])".format(", ".join([str(tlv) for tlv in self.tlvs]))
+        return "ThreadNetworkData(tlvs=[{}])".format(
+            ", ".join([str(tlv) for tlv in self.tlvs])
+        )
 
 
 class ThreadNetworkDataFactory(object):
-
     def __init__(self, network_data_tlvs_factory):
         self._network_data_tlvs_factory = network_data_tlvs_factory
 
     def parse(self, data, message_info):
         tlvs = self._network_data_tlvs_factory.parse(data, message_info)
         return ThreadNetworkData(tlvs)
-