47 lines
1.1 KiB
Python
47 lines
1.1 KiB
Python
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import os
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import re
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import errno
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def write_file(path, data):
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# In case data is None, return immediately
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if data is None:
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return
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wdata = data.rstrip() + "\n"
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with open(path, "w") as f:
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f.write(wdata)
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def append_file(path, data):
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# In case data is None, return immediately
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if data is None:
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return
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wdata = data.rstrip() + "\n"
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with open(path, "a") as f:
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f.write(wdata)
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def read_file(path):
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data = None
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with open(path) as f:
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data = f.read()
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return data
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def remove_from_file(path, data):
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# In case data is None, return immediately
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if data is None:
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return
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try:
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rdata = read_file(path)
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except IOError as e:
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# if file does not exit, just quit, otherwise raise an exception
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if e.errno == errno.ENOENT:
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return
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else:
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raise
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contents = rdata.strip().splitlines()
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for r in data.strip().splitlines():
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try:
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contents.remove(r)
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except ValueError:
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pass
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write_file(path, "\n".join(contents))
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