def open(path, fileName):
"""Opens and identifies the given image file. This is a lazy operation
return an Image object
"""
full = os.path.join(path, fileName)
if not file_utils.isFileExist(full):
raise Exception("path %s not exist" % full)
return Image.open(full)
def _save(img, path, filename, format="JPEG", _quality=IMG_QUALITY, create_dir=True):
'''save Image object to file system, according to the value of create_dir
to create a new dir , or not
params:
create_dir: if True, when then filepath not exists, create new one
or not create.
'''
if not file_utils.isFileExist(path):
if create_dir:
os.makedirs(path)
logger.info("path [%s] not exist, new one created" % path)
else:
logger.error("save file failed, path [%s] not exist" % path)
return False
try:
img.save(os.path.join(path, filename), format, quality=_quality)
logger.debug("File with name %s saved" % filename)
return True
except:
utils.traceBack()
return False
