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Move prefix length out of for loop

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It is cached so it only needs to be computed once.

Contributes to issue CURA-34.
This commit is contained in:
Ghostkeeper 2015-12-16 15:13:13 +01:00
parent cfa4382052
commit 6908f2c011
2 changed files with 7 additions and 5 deletions
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5
plugins/GCodeProfileReader/GCodeProfileReader.py
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@ -30,14 +30,15 @@ class GCodeProfileReader(ProfileReader):
# None \endcode is returned.
def read(self, file_name):
prefix = ";SETTING_" + str(version) + " "
prefix_length = len(prefix)
#Loading all settings from the file. They are all at the end, but Python has no reverse seek any more since Python3. TODO: Consider moving settings to the start?
serialised = "" #Will be filled with the serialised profile.
try:
with open(file_name) as f:
for line in f:
if line.startswith(prefix):
serialised += line[len(prefix):-1] #Remove the prefix and the newline from the line, and add it to the rest.
serialised += line[prefix_length : -1] #Remove the prefix and the newline from the line, and add it to the rest.
except IOError as e:
Logger.log("e", "Unable to open file %s for reading: %s", file_name, str(e))
return None