# -*- coding: utf-8 -*-
#!/usr/bin/env python
# Author:
# Mateusz Kruszyński <*****@*****.**>
#
import scipy, struct
import os.path, sys
import signal_exceptions
import signal_constants
import signal_logging as logger
LOGGER = logger.get_logger("data_read_proxy", 'info')
SAMPLE_SIZES = signal_constants.SAMPLE_SIZES
SAMPLE_STRUCT_TYPES = signal_constants.SAMPLE_STRUCT_TYPES
class DataReadProxy(object):
def __init__(self, p_file_path, sample_type='FLOAT'):
self._file_path = p_file_path
self._sample_size = SAMPLE_SIZES[sample_type]
self._sample_struct_type = '<'+SAMPLE_STRUCT_TYPES[sample_type]
self.start_reading()
def start_reading(self):
try:
self._data_file = open(self._file_path, 'rb')
except IOError, e:
LOGGER.error("An error occured while opening the data file!")
raise(e)
def finish_reading(self):
self._data_file.close()
# -*- coding: utf-8 -*-
#!/usr/bin/env python
#
# Author:
# Mateusz Kruszyński <*****@*****.**>
#
import copy
import info_file_proxy
import signal_logging as logger
import signal_exceptions
LOGGER = logger.get_logger("read_info_source", "info")
class InfoSource(object):
def get_param(self, p_key):
LOGGER.error("The method must be subclassed")
def get_params(self):
LOGGER.error("The method must be subclassed")
def set_params(self, p_params):
LOGGER.error("The method must be subclassed")
def update_params(self, p_params):
LOGGER.error("The method must be subclassed")
def set_param(self, k, v):
LOGGER.error("The method must be subclassed")
def reset_params(self):
LOGGER.error("The method must be subclassed")
# 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/>.
#
# Author:
# Mateusz Kruszyński <*****@*****.**>
#
import os.path
import xml.dom.minidom
import signal_logging as logger
import signal_exceptions
from .. import types_utils
LOGGER = logger.get_logger("generic_info_file_proxy")
"""Below we have tags definitions - for every tag we have entry in format:
'tag_universal_name': (tag_type('list' or 'simple'),
list of tag translations (one element for 'simple'
two elemenso for 'list')
)
"""
TAGS_DEFINITIONS = {
'channels_names':
('list', ['channelLabels', 'label']),
'channels_numbers':
('list', ['channelNumbers', 'number']),
'channels_gains':
('list', ['calibrationGain', 'calibrationParam']),
# -*- coding: utf-8 -*-
#!/usr/bin/env python
# Author:
# Mateusz Kruszyński <*****@*****.**>
#
import struct
import sys, os.path
from obci.configs import variables_pb2
import signal_exceptions
import signal_constants
import signal_logging as logger
LOGGER = logger.get_logger("data_generic_write_proxy", 'info')
SAMPLE_STRUCT_TYPES = signal_constants.SAMPLE_STRUCT_TYPES
class DataGenericWriteProxy(object):
"""
A class representing data file.
It should be an abstraction for saving raw data into a file.
Decision whether save signal to one or few separate files should be made here
and should be transparent regarding below interface - the interface should remain untouched.
Public interface:
- finish_saving() - closes data file and return its path,
- data_received(p_data_sample) - gets and saves next sample of signal
"""
def __init__(self, p_file_path, p_unpack_later=False, p_append_ts=False, p_sample_type='FLOAT'):
"""Open p_file_name file in p_dir_path directory."""
self._number_of_samples = 0
self._unpack_later = p_unpack_later
# -*- coding: utf-8 -*-
#!/usr/bin/env python
# Author:
# Mateusz Kruszyński <*****@*****.**>
#
import struct
import sys, os.path
from obci.configs import variables_pb2
import signal_exceptions
import signal_constants
import signal_logging as logger
LOGGER = logger.get_logger("data_generic_write_proxy", 'info')
SAMPLE_STRUCT_TYPES = signal_constants.SAMPLE_STRUCT_TYPES
class DataGenericWriteProxy(object):
"""
A class representing data file.
It should be an abstraction for saving raw data into a file.
Decision whether save signal to one or few separate files should be made here
and should be transparent regarding below interface - the interface should remain untouched.
Public interface:
- finish_saving() - closes data file and return its path,
- data_received(p_data_sample) - gets and saves next sample of signal
"""
def __init__(self,
p_file_path,
p_unpack_later=False,
# 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/>.
#
# Author:
# Mateusz Kruszyński <*****@*****.**>
#
import os.path
import xml.dom.minidom
import signal_logging as logger
import signal_exceptions
from .. import types_utils
LOGGER = logger.get_logger("generic_info_file_proxy")
"""Below we have tags definitions - for every tag we have entry in format:
'tag_universal_name': (tag_type('list' or 'simple'),
list of tag translations (one element for 'simple'
two elemenso for 'list')
)
"""
TAGS_DEFINITIONS = {
'channels_names': ('list', ['channelLabels', 'label']),
'channels_numbers': ('list', ['channelNumbers', 'number']),
'channels_gains': ('list', ['calibrationGain', 'calibrationParam']),
'channels_offsets': ('list', ['calibrationOffset', 'calibrationParam']),
'number_of_samples': ('simple', ['sampleCount']),
'number_of_channels': ('simple', ['channelCount']),
'sampling_frequency': ('simple', ['samplingFrequency']),
'first_sample_timestamp': ('simple', ['firstSampleTimestamp']),
#!/usr/bin/env python
# Author:
# Mateusz Kruszyński <*****@*****.**>
#
"""Module implements specific info file manifest for svarog.
What is different from info_file_proxy:
- root name (here we haver rs:rawSignal and xmlns)
- tags namespace (here every tag has rs: previx)
- tags ordering (svarog requires specific tags ordering)
- additional tags (svarog requires only and only tags described in
SvarogFileWriteProxy.ORDER)
"""
import generic_info_file_proxy
import signal_logging as logger
LOGGER = logger.get_logger("info_file_proxy")
class InfoDocument(generic_info_file_proxy.OpenBciDocument):
"""Subclass xml_document, so that we can add rs: prefix before every
tag name."""
prefix = 'rs:'
def createElement(self, tagName):
"""Redefine the method so that every added tag has 'rs:' prefix."""
return super(InfoDocument, self).createElement(
''.join([InfoDocument.prefix, tagName]))
class InfoFileWriteProxy(generic_info_file_proxy.GenericInfoFileWriteProxy):
"""Subclass write proxy - ensure that every element has rs: prefix,
ensure tags ordering, ensure tags required by svarog."""
ORDER = [
'rs:exportFileName',
# -*- coding: utf-8 -*-
#!/usr/bin/env python
#
# Author:
# Mateusz Kruszyński <*****@*****.**>
#
import numpy, copy
import data_read_proxy
import signal_logging as logger
import signal_exceptions
LOGGER = logger.get_logger("data_source", "info")
class DataSource(object):
def get_samples(self, p_from=None, p_len=None):
LOGGER.error("The method must be subclassed")
def iter_samples(self):
LOGGER.error("The method must be subclassed")
def __deepcopy(self, memo):
return MemoryDataSource(copy.deepcopy(self.get_samples()))
class MemoryDataSource(DataSource):
def __init__(self, p_data=None, p_copy=True, p_sample_source='FLOAT'):
self._data = None
if not (p_data is None):
self.set_samples(p_data, p_copy)
def set_samples(self, p_data, p_copy=True):
# -*- coding: utf-8 -*-
#!/usr/bin/env python
#
# Author:
# Mateusz Kruszyński <*****@*****.**>
#
import numpy, copy
import data_read_proxy
import signal_logging as logger
import signal_exceptions
LOGGER = logger.get_logger("data_source", "info")
class DataSource(object):
def get_samples(self, p_from=None, p_len=None):
LOGGER.error("The method must be subclassed")
def iter_samples(self):
LOGGER.error("The method must be subclassed")
def __deepcopy(self, memo):
return MemoryDataSource(copy.deepcopy(self.get_samples()))
class MemoryDataSource(DataSource):
def __init__(self, p_data=None, p_copy=True, p_sample_source='DOUBLE'):
self._data = None
if not (p_data is None):
self.set_samples(p_data, p_copy)
def set_samples(self, p_data, p_copy=True):
# -*- coding: utf-8 -*-
#!/usr/bin/env python
#
# Author:
# Mateusz Kruszyński <*****@*****.**>
#
import copy
import info_file_proxy
import signal_logging as logger
import signal_exceptions
LOGGER = logger.get_logger("read_info_source", "info")
class InfoSource(object):
def get_param(self, p_key):
LOGGER.error("The method must be subclassed")
def get_params(self):
LOGGER.error("The method must be subclassed")
def set_params(self, p_params):
LOGGER.error("The method must be subclassed")
def update_params(self, p_params):
LOGGER.error("The method must be subclassed")
def set_param(self, k, v):
LOGGER.error("The method must be subclassed")
def reset_params(self):
LOGGER.error("The method must be subclassed")
def __deepcopy__(self, memo):
return MemoryInfoSource(copy.deepcopy(self.get_params()))
class MemoryInfoSource(InfoSource):
def __init__(self, p_params={}):
#!/usr/bin/env python
# Author:
# Mateusz Kruszyński <*****@*****.**>
#
"""Module implements specific info file manifest for svarog.
What is different from info_file_proxy:
- root name (here we haver rs:rawSignal and xmlns)
- tags namespace (here every tag has rs: previx)
- tags ordering (svarog requires specific tags ordering)
- additional tags (svarog requires only and only tags described in
SvarogFileWriteProxy.ORDER)
"""
import generic_info_file_proxy
import signal_logging as logger
LOGGER = logger.get_logger("info_file_proxy")
class InfoDocument(generic_info_file_proxy.OpenBciDocument):
"""Subclass xml_document, so that we can add rs: prefix before every
tag name."""
prefix = 'rs:'
def createElement(self, tagName):
"""Redefine the method so that every added tag has 'rs:' prefix."""
return super(InfoDocument, self).createElement(''.join(
[InfoDocument.prefix, tagName]))
class InfoFileWriteProxy(generic_info_file_proxy.GenericInfoFileWriteProxy):
"""Subclass write proxy - ensure that every element has rs: prefix,
# -*- coding: utf-8 -*-
#!/usr/bin/env python
# Author:
# Mateusz Kruszyński <*****@*****.**>
#
import scipy, struct
import os.path, sys
import signal_exceptions
import signal_constants
import signal_logging as logger
LOGGER = logger.get_logger("data_read_proxy", 'info')
SAMPLE_SIZES = signal_constants.SAMPLE_SIZES
SAMPLE_STRUCT_TYPES = signal_constants.SAMPLE_STRUCT_TYPES
class DataReadProxy(object):
def __init__(self, p_file_path, sample_type='FLOAT'):
self._file_path = p_file_path
self._sample_size = SAMPLE_SIZES[sample_type]
self._sample_struct_type = '<' + SAMPLE_STRUCT_TYPES[sample_type]
self.start_reading()
def start_reading(self):
try:
self._data_file = open(self._file_path, 'rb')
except IOError, e:
LOGGER.error("An error occured while opening the data file!")
raise (e)
def finish_reading(self):
self._data_file.close()
