Révision 4e82c425 modules/utilities.py

b/modules/utilities.py
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def tail(f, lines=20):


  		





  
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    """Returns the specified last number of lines of a file.


  		





  
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    @param f: The file to retrieve the last lines from.


  		





  
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    @param lines: The number of lines to be retrieved.


  		





  
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    @return str: The last number of lines


  		





  
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    """


  		





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    total_lines_wanted = lines


  		





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    block_size = 1024


  		





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def check_bak(file_name):


  		





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    """Checks if a file already exists and backs it up if so.


  		





  
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    @param file_name: file to be checked if exists


  		





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    """


  		





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    import os


  		





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def _human_key(key):


  		





  
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    """Function used as sorting strategy where numbers are sorted human-wise.


  		





  
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    @param key:


  		





  
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    @return:


  		





  
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    """


  		





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    import re


  		





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    parts = re.split('(\d*\.\d+|\d+)', key)


  		





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    return tuple((e.swapcase() if i % 2 == 0 else float(e))


  		





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def is_binary(file):


  		





  
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    """Checks if a file is a text file or a binary one.


  		





  
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    @param file:


  		





  
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    @return:


  		





  
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    """


  		





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    try:


  		





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        with open(file, "r") as fh:


  		





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            fh.read(50)


  		












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