Removing unused transport_pipe.py

trezorlib/transport_pipe.py

@@ -1,110 +0,0 @@
-# This file is part of the TREZOR project.
-#
-# Copyright (C) 2012-2016 Marek Palatinus <slush@satoshilabs.com>
-# Copyright (C) 2012-2016 Pavol Rusnak <stick@satoshilabs.com>
-#
-# This library is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This library is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public License
-# along with this library.  If not, see <http://www.gnu.org/licenses/>.
-
-from __future__ import absolute_import
-
-import os
-import time
-
-from .protocol_v1 import ProtocolV1
-from .transport import Transport, TransportException
-
-
-class PipeTransport(Transport):
-    '''
-    PipeTransport implements fake wire transport over local named pipe.
-    Use this transport for talking with trezor-emu.
-    '''
-
-    def __init__(self, device=None, is_device=False):
-        super(PipeTransport, self).__init__()
-
-        if not device:
-            device = '/tmp/pipe.trezor'
-        self.device = device
-        self.is_device = is_device
-        self.filename_read = None
-        self.filename_write = None
-        self.read_f = None
-        self.write_f = None
-        self.protocol = ProtocolV1()
-
-    def __str__(self):
-        return self.device
-
-    @staticmethod
-    def enumerate():
-        raise NotImplementedError('This transport cannot enumerate devices')
-
-    @staticmethod
-    def find_by_path(path=None):
-        return PipeTransport(path)
-
-    def open(self):
-        if self.is_device:
-            self.filename_read = self.device + '.to'
-            self.filename_write = self.device + '.from'
-            os.mkfifo(self.filename_read, 0o600)
-            os.mkfifo(self.filename_write, 0o600)
-        else:
-            self.filename_read = self.device + '.from'
-            self.filename_write = self.device + '.to'
-            if not os.path.exists(self.filename_write):
-                raise TransportException('Not connected')
-
-        self.read_f = os.open(self.filename_read, 'rb', 0)
-        self.write_f = os.open(self.filename_write, 'w+b', 0)
-
-        self.protocol.session_begin(self)
-
-    def close(self):
-        self.protocol.session_end(self)
-        if self.read_f:
-            self.read_f.close()
-            self.read_f = None
-        if self.write_f:
-            self.write_f.close()
-            self.write_f = None
-        if self.is_device:
-            os.unlink(self.filename_read)
-            os.unlink(self.filename_write)
-        self.filename_read = None
-        self.filename_write = None
-
-    def read(self):
-        return self.protocol.read(self)
-
-    def write(self, msg):
-        return self.protocol.write(self, msg)
-
-    def write_chunk(self, chunk):
-        if len(chunk) != 64:
-            raise TransportException('Unexpected chunk size: %d' % len(chunk))
-        self.write_f.write(chunk)
-        self.write_f.flush()
-
-    def read_chunk(self):
-        while True:
-            chunk = self.read_f.read(64)
-            if chunk:
-                break
-            else:
-                time.sleep(0.001)
-        if len(chunk) != 64:
-            raise TransportException('Unexpected chunk size: %d' % len(chunk))
-        return bytearray(chunk)