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# vi: ts=4 expandtab
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3, as
# published by the Free Software Foundation.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from __future__ import absolute_import
try:
from serial import Serial
except ImportError:
# For older versions of python (ie 2.6) pyserial may not exist and/or
# work and/or be installed, so make a dummy/fake serial that blows up
# when used...
class Serial(object):
def __init__(self, *args, **kwargs):
pass
@staticmethod
def isOpen():
return False
@staticmethod
def write(data):
raise IOError("Unable to perform serial `write` operation,"
" pyserial not installed.")
@staticmethod
def readline():
raise IOError("Unable to perform serial `readline` operation,"
" pyserial not installed.")
@staticmethod
def flush():
raise IOError("Unable to perform serial `flush` operation,"
" pyserial not installed.")
@staticmethod
def read(size=1):
raise IOError("Unable to perform serial `read` operation,"
" pyserial not installed.")
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