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util.py
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util.py
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import subprocess
def create_filter_diff(c):
filter_diff_file_name='filter_diff.patch'
changes=''
i=0
for _c in c:
if i!=0:
changes+=','
changes+=str(_c)
i+=1
command = "cd data\nfilterdiff -#"+changes+" diff.patch > "+filter_diff_file_name
# print(command)
p = subprocess.Popen(command, stdout=subprocess.PIPE, shell=True)
(output, err) = p.communicate()
p_status = p.wait()
# print("Command output: " + str(output))
return filter_diff_file_name
def apply_patch(c):
command = "cd data\npatch -b < "+create_filter_diff(c)
p = subprocess.Popen(command, stdout=subprocess.PIPE, shell=True)
(output, err) = p.communicate()
p_status = p.wait()
# print("Command output: " + str(output))
def reverse_patch(c):
command = "cd data\npatch -R < "+create_filter_diff(c)
p = subprocess.Popen(command, stdout=subprocess.PIPE, shell=True)
(output, err) = p.communicate()
p_status = p.wait()
# print("Command output: " + str(output))
# apply_patch([1,2])
# reverse_patch([1,2])