def changeCaption(self, name, caption, writeToFile = False):
"""Changes the caption of image 'name' to 'caption'.
Optionally, writes the new caption to the image file after changeing.
"""
assert name in self.entries
while len(caption) > 0 and caption[-1] == "\n": caption = caption[:-1]
caption = re.sub("\\\n", "<br />", caption)
if name not in self.captions or self.captions[name] != caption:
self.captionsTouched.add(name)
self.captions[name] = caption
if writeToFile:
write_caption(self.files[name], caption)
def writeBackCaptions(self):
for name in self.captionsTouched:
write_caption(self.files[name], self.captions[name])
self.captionsTouched = set()
