text: import errno
  import io
  import os
  import sys
  import json
  import uuid
  import shutil
  from six import text_type
  from attr import asdict
  from allure_commons import hookimpl
  
  INDENT = 4
  
  
  class AllureFileLogger(object):
  
      def __init__(self, report_dir, clean=False):
          self._report_dir = report_dir
  
          try:
              os.makedirs(report_dir)
          except OSError as e:
              if e.errno != errno.EEXIST:
                  raise
              elif clean:
                  for f in os.listdir(report_dir):
                      f = os.path.join(report_dir, f)
                      if os.path.isfile(f):
                          os.unlink(f)
  
      def _report_item(self, item):
          indent = INDENT if os.environ.get("ALLURE_INDENT_OUTPUT") else None
          filename = item.file_pattern.format(prefix=uuid.uuid4())
          data = asdict(item, filter=lambda attr, value: not (type(value) != bool and not bool(value)))
          with io.open(os.path.join(self._report_dir, filename), 'w', encoding='utf8') as json_file:
              if sys.version_info.major < 3:
                  json_file.write(
                      unicode(json.dumps(data, indent=indent, ensure_ascii=False, encoding='utf8')))  # noqa: F821
              else:
                  json.dump(data, json_file, indent=indent, ensure_ascii=False)
  
      @hookimpl
      def report_result(self, result):
          self._report_item(result)
  
      @hookimpl
      def report_container(self, container):
          self._report_item(container)
  
      @hookimpl
      def report_attached_file(self, source, file_name):
          destination = os.path.join(self._report_dir, file_name)
          shutil.copy2(source, destination)
  
      @hookimpl
      def report_attached_data(self, body, file_name):
          destination = os.path.join(self._report_dir, file_name)
          with open(destination, 'wb') as attached_file:
              if isinstance(body, text_type):
                  attached_file.write(body.encode('utf-8'))
              else:
                  attached_file.write(body)
  