Commit ad28ed35 authored by Chris Lamb's avatar Chris Lamb 💬

Document the 'h' variable in our raw_feeder

parent 5efe539b
......@@ -33,24 +33,32 @@ DIFF_CHUNK = 4096
def from_raw_reader(in_file, filter=lambda buf: buf):
def feeder(out_file):
max_lines = Config().max_diff_input_lines
line_count = 0
end_nl = False
line_count = 0
# If we have a maximum size, hash the content as we go along so we can
# display a nicer message.
h = None
if max_lines < float('inf'):
h = hashlib.sha1()
for buf in in_file:
line_count += 1
out = filter(buf)
if h:
if h is not None:
h.update(out)
if line_count < max_lines:
out_file.write(out)
end_nl = buf[-1] == '\n'
if h and line_count >= max_lines:
if h is not None and line_count >= max_lines:
out_file.write("[ Too much input for diff (SHA1: {}) ]\n".format(
h.hexdigest(),
).encode('utf-8'))
end_nl = True
return end_nl
return feeder
......
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