def _get_raw_data(self, image, format_, quality, image_info=None, progressive=False): # Increase (but never decrease) PIL buffer size ImageFile.MAXBLOCK = max(ImageFile.MAXBLOCK, image.size[0] * image.size[1]) bf = BufferIO() params = { 'format': format_, 'quality': quality, 'optimize': 1, } # keeps icc_profile if 'icc_profile' in image_info: params['icc_profile'] = image_info['icc_profile'] raw_data = None if format_ == 'JPEG' and progressive: params['progressive'] = True try: # Do not save unnecessary exif data for smaller thumbnail size params.pop('exif', {}) image.save(bf, **params) except (IOError, OSError): # Try without optimization. params.pop('optimize') image.save(bf, **params) else: raw_data = bf.getvalue() finally: bf.close() return raw_data
def _get_raw_data(self, image, format_, quality, image_info=None, progressive=False): # Increase (but never decrease) PIL buffer size ImageFile.MAXBLOCK = max(ImageFile.MAXBLOCK, max(image.size)**2) bf = BufferIO() params = { 'format': format_, 'quality': quality, 'optimize': 1, } # keeps icc_profile if 'icc_profile' in image_info: params['icc_profile'] = image_info['icc_profile'] raw_data = None if format_ == 'JPEG' and progressive: params['progressive'] = True try: # Do not save unnecessary exif data for smaller thumbnail size params.pop('exif', {}) image.save(bf, **params) except (IOError, OSError): # Try without optimization. params.pop('optimize') image.save(bf, **params) else: raw_data = bf.getvalue() finally: bf.close() return raw_data
def _get_raw_data(self, image, format_, quality, image_info=None, progressive=False): # Increase (but never decrease) PIL buffer size ImageFile.MAXBLOCK = max(ImageFile.MAXBLOCK, image.size[0] * image.size[1]) bf = BufferIO() params = {"format": format_, "quality": quality, "optimize": 1} # keeps icc_profile if "icc_profile" in image_info: params["icc_profile"] = image_info["icc_profile"] raw_data = None if format_ == "JPEG" and progressive: params["progressive"] = True try: # Do not save unnecessary exif data for smaller thumbnail size params.pop("exif", {}) image.save(bf, **params) except (IOError, OSError): # Try without optimization. params.pop("optimize") image.save(bf, **params) else: raw_data = bf.getvalue() finally: bf.close() return raw_data
def _get_raw_data(self, image, format_, quality, image_info=None, progressive=False): ImageFile.MAXBLOCK = image.size[0] * image.size[1] bf = BufferIO() params = { 'format': format_, 'quality': quality, 'optimize': 1, } params.update(image_info) if format_ == 'JPEG' and progressive: params['progressive'] = True try: image.save(bf, **params) except IOError: maxblock = ImageFile.MAXBLOCK try: # Temporary encrease ImageFile MAXBLOCK ImageFile.MAXBLOCK = image.size[0] * image.size[1] image.save(bf, **params) except IOError: params.pop('optimize') image.save(bf, **params) finally: ImageFile.MAXBLOCK = maxblock raw_data = bf.getvalue() bf.close() return raw_data
def _get_raw_data(self, image, format_, quality, progressive=False): ImageFile.MAXBLOCK = image.size[0] * image.size[1] buffer = BufferIO() params = { 'format': format_, 'quality': quality, 'optimize': 1, } if format_ == 'JPEG' and progressive: params['progressive'] = True try: image.save(buffer, **params) except IOError: maxblock = ImageFile.MAXBLOCK try: # Temporary encrease ImageFile MAXBLOCK ImageFile.MAXBLOCK = image.size[0] * image.size[1] image.save(buffer, **params) except IOError: params.pop('optimize') image.save(buffer, **params) finally: ImageFile.MAXBLOCK = maxblock raw_data = buffer.getvalue() buffer.close() return raw_data
def _get_raw_data(self, image, format_, quality, image_info=None, progressive=False): # Increase (but never decrease) PIL buffer size ImageFile.MAXBLOCK = max(ImageFile.MAXBLOCK, image.size[0] * image.size[1]) bf = BufferIO() params = { 'format': format_, 'quality': quality, 'optimize': 1, } params.update(image_info) raw_data = None if format_ == 'JPEG' and progressive: params['progressive'] = True try: image.save(bf, **params) except (IOError, OSError): # Try without optimization. params.pop('optimize') image.save(bf, **params) else: raw_data = bf.getvalue() finally: bf.close() return raw_data