def check_data_indexes(self, _filename, disp):
"""
method used by client code explicitly, because of dynamic nature
of placement of data columns which have to check at runtime
to manage a situation when columns are specified by names and
for different files they are placed in different columns
"""
message = None
if not nvl(self.signal_label, self.annotation_label,
self.time_label) == None:
headers_count = nvl(self.headers_count, 1)
file_headers = DataFileHeader(_filename,
_separator=self.separator,
number_of_lines=headers_count)
#get header's lines
headers = file_headers.getHeadersLines(headers_count)
if self.signal_label:
self.signal_index = get_index_of_string(
self.signal_label, headers, _separator=self.separator)
if self.annotation_label:
self.annotation_index = get_index_of_string(
self.annotation_label, headers, _separator=self.separator)
if self.annotation_index == -1:
message = ('There is no annotation index for label %s !' %
(self.annotation_label))
if self.time_label:
self.time_index = get_index_of_string(
self.time_label, headers, _separator=self.separator)
if self.time_index == -1:
message = ('There is no time index for label %s !' %
(self.time_label))
if self.signal_index == -1:
if self.time_label:
message = ('There is no signal index for label %s !' %
(self.signal_label))
else:
message = 'The signal index has to be set !'
if is_positive(self.time_index) and self.time_format == None:
message = 'For time column a time format parameter is required !'
if not is_positive(self.time_index) and not is_empty(self.time_format):
message = 'Time format requires time index column selection !'
if message and disp:
print('File: %s \n %s \n' % (_filename, message))
return False
else:
return True
def check_data_indexes(self, _filename, disp):
"""
method used by client code explicitly, because of dynamic nature
of placement of data columns which have to check at runtime
to manage a situation when columns are specified by names and
for different files they are placed in different columns
"""
message = None
if not nvl(self.signal_label, self.annotation_label, self.time_label) == None:
headers_count = nvl(self.headers_count, 1)
file_headers = DataFileHeader(_filename, _separator=self.separator, number_of_lines=headers_count)
# get header's lines
headers = file_headers.getHeadersLines(headers_count)
if self.signal_label:
self.signal_index = get_index_of_string(self.signal_label, headers, _separator=self.separator)
if self.annotation_label:
self.annotation_index = get_index_of_string(self.annotation_label, headers, _separator=self.separator)
if self.annotation_index == -1:
message = "There is no annotation index for label %s !" % (self.annotation_label)
if self.time_label:
self.time_index = get_index_of_string(self.time_label, headers, _separator=self.separator)
if self.time_index == -1:
message = "There is no time index for label %s !" % (self.time_label)
if self.signal_index == -1:
if self.time_label:
message = "There is no signal index for label %s !" % (self.signal_label)
else:
message = "The signal index has to be set !"
if is_positive(self.time_index) and self.time_format == None:
message = "For time column a time format parameter is required !"
if not is_positive(self.time_index) and not is_empty(self.time_format):
message = "Time format requires time index column selection !"
if message and disp:
print("File: %s \n %s \n" % (_filename, message))
return False
else:
return True
def __createDataFileHeader__(self, pathFile, _separator):
dataFileHeader = self.__dataFilesHeaders__.get(pathFile, None)
if dataFileHeader == None:
dataFileHeader = DataFileHeader(pathFile)
self.__dataFilesHeaders__[pathFile] = dataFileHeader
if _separator == None:
_separator = dataFileHeader.getSeparator()
if _separator == None:
#try to discover a separator based on file data
_separator = dataFileHeader.getSeparator(generate=True)
dataFileHeader.setSeparator(_separator)
return dataFileHeader
