def __get_cypher_line_if_loads_csv(file_name: str) -> str:
FileUtils.file_exists(file_name)
with open(file_name, 'r') as cypher_file:
for line in cypher_file.readlines():
if ('file:///' in line):
return line.replace('\n', '')
return None
def create_files_with_attributes_json() -> None:
try:
final_path = FileUtils.get_full_path(
UsedFileUtils.FILES_WITH_ATTRIBUTES_JSON)
FileUtils.file_exists(final_path)
except FileNotFoundError:
files_with_attributes = UsedFileUtils.initialize_used_files()
json_file = JsonUtils.dict_to_json(files_with_attributes)
JsonUtils.save_json(json_file,
UsedFileUtils.FILES_WITH_ATTRIBUTES_JSON)
def get_cypher_file_if_loads_csv(file_name: str) -> list:
"""
Método que retorna um array com as linhas de um arquivo *.cypher
caso ele carregue um CSV
"""
FileUtils.file_exists(file_name)
file_loads_csv = CypherUtils.__get_cypher_line_if_loads_csv(file_name)
if (file_loads_csv):
return FileUtils.read_file(file_name)
else:
return None
def get_header(file_name: str) -> list:
if (FileUtils.file_exists(file_name)):
with open(file_name, 'r') as csv_file:
reader = csv.reader(csv_file)
header = next(reader, None)
HeaderUtils.validate_header(file_name, header)
delimiter = FileUtils.detect_csv_delimiter(str(header))
with open(file_name, 'r') as csv_file:
reader = csv.reader(csv_file, delimiter=delimiter)
return next(reader, None)
else:
return None