old_contents: from threading import Thread
  import datetime
  import time
  import os
  from PIL import Image
  from .. import test_image, test_dm3_tilt_series
  
  
  class TIFFWriter(Thread):
      def __init__(self, path, delay=1):
          """
          Thread to write a TIFF image stack to a particular path. The
          files are written using the following naming convention
          <timestamp>_<tilt_angle>.tif
  
          :param path: The path to write the images to.
          :type path: str
          :param delay: The time in seconds to wait between writing images.
          :type delay: int
          """
          super(TIFFWriter, self).__init__()
          self.daemon = True
  
          self._path = path
          self._delay = delay
          self.img = Image.open(test_image())
          self.series_size = self.img.n_frames
  
      def run(self):
          for index, angle in enumerate(range(-73, 74, 2)):
              self.img.seek(index)
              timestamp = datetime.datetime.now().strftime('%m_%d_%y_%H_%M_%S')
              filename = '%s_%d.tif' % (timestamp, angle)
              file_path = os.path.join(self._path, filename)
              with open(file_path, 'wb') as fp:
                  self.img.save(fp, 'TIFF')
              time.sleep(self._delay)
  
  
  class DM3Writer(Thread):
      def __init__(self, path, delay=1):
          """
          Thread to write a DM3 tilt series to a particular path.
  
          :param path: The path to write the images to.
          :type path: str
          :param delay: The time in seconds to wait between writing images.
          :type delay: int
          """
          super(DM3Writer, self).__init__()
          self.daemon = True
  
          self._path = path
          self._delay = delay
          self._files = list(test_dm3_tilt_series())
          self.series_size = len(self._files)
  
      def run(self):
          for (filename, dm3fp) in self._files:
              file_path = os.path.join(self._path, filename)
              with open(file_path, 'wb') as fp:
                  fp.write(dm3fp.read())
              time.sleep(self._delay)
  
new_contents: from threading import Thread
  import datetime
  import time
  import os
  from PIL import Image
  from .. import test_image, test_dm3_tilt_series
  
  
  class TIFFWriter(Thread):
      def __init__(self, path, delay=1):
          """
          Thread to write a TIFF image stack to a particular path. The
          files are written using the following naming convention
          <timestamp>_<tilt_angle>.tif
  
          :param path: The path to write the images to.
          :type path: str
          :param delay: The time in seconds to wait between writing images.
          :type delay: int
          """
          super(TIFFWriter, self).__init__()
          self.daemon = True
  
          self._path = path
          self._delay = delay
          self.img = Image.open(test_image())
          self.series_size = self.img.n_frames
  
      def run(self):
          for index, angle in enumerate(range(-73, 74, 2)):
              self.img.seek(index)
              timestamp = datetime.datetime.now().strftime('%m_%d_%y_%H_%M_%S')
              filename = '%s_%+d.tif' % (timestamp, angle)
              file_path = os.path.join(self._path, filename)
              with open(file_path, 'wb') as fp:
                  self.img.save(fp, 'TIFF')
              time.sleep(self._delay)
  
  
  class DM3Writer(Thread):
      def __init__(self, path, delay=1):
          """
          Thread to write a DM3 tilt series to a particular path.
  
          :param path: The path to write the images to.
          :type path: str
          :param delay: The time in seconds to wait between writing images.
          :type delay: int
          """
          super(DM3Writer, self).__init__()
          self.daemon = True
  
          self._path = path
          self._delay = delay
          self._files = list(test_dm3_tilt_series())
          self.series_size = len(self._files)
  
      def run(self):
          for (filename, dm3fp) in self._files:
              file_path = os.path.join(self._path, filename)
              with open(file_path, 'wb') as fp:
                  fp.write(dm3fp.read())
              time.sleep(self._delay)
  
subject: Print angle sign for acquisition mock writer