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How to use run_grep method in autotest

Best Python code snippet using autotest_python

lgtestlib.py

Source:lgtestlib.py

1import os2import subprocess3import tempfile4def run_grep(grep, pats, text, emptymsg):5  pf = None6  try:7    if len(pats) == 1:8      # specify single patterns on command line9      cmd = (grep, '-p', pats[0])10    else:11      # write multiple patterns to temporary pattern file12      fd, pfname = tempfile.mkstemp('w')13      pf = os.fdopen(fd, 'w')14      for p in pats:15        print >>pf, p16      pf.close()17      cmd = (grep, pfname)18    # get matches from grep19    proc = subprocess.Popen(20      cmd,21      stdin=subprocess.PIPE,22      stdout=subprocess.PIPE,23      stderr=subprocess.PIPE24    )25    gout, gerr = proc.communicate(text)26    retval = proc.wait()27    if retval:28      raise Exception('{} returned {}, {}'.format(grep, retval, gerr))29  finally:30    if pf:31      # clean up pattern file, if we used one32      pf.close()33      os.unlink(pfname)34  if len(pats) == gerr.count(emptymsg):35    # every pattern in this pattern set has zero-length matches36    return None37  # parse the matches38  matches = []39  for m in gout.splitlines():40    matches.append(map(int, m.split('\t', 3)[0:3]))41  # sort the matches by start, end, label42  lex = lambda x,y: cmp(x[0], y[0]) or cmp(x[1], y[1]) or cmp(x[2], y[2])43  matches.sort(lex)44  return matches45def run_shitgrep(sg, pats, text):46  return run_grep(sg, pats, text, 'is not allowed as a final state of the NFA')47def run_lightgrep(lg, pats, text):...

grep2.py

Source:grep2.py

1import re2def run_grep(expression):3	res = []4	count = 05	file_ = open("mbox.txt", "r")6	for line in file_:7		line = line.rstrip()8		if re.findall(expression, line):9			number = re.findall(expression, line) # number is a string in a list.10			for item in number:  11				new_num = int(item) # We need to convert these into ints in order 12									# to perform any calculations. 13				res.append(new_num)14				count += 115	final = sum(res)16	final = final/count	17	print("Count of", expression, "is", count)18	print("Average is", final)19	file_.close()20if __name__ == "__main__":21	expression = 'New Revision: ([0-9.]+)'...

grep.py

Source:grep.py

1import re2def run_grep(expression):3	count = 04	file_ = open("mbox.txt", "r")5	for line in file_:6		line = line.rstrip()7		if re.search(expression, line):8			count += 19	print("Count of", expression, "is", count)10	file_.close()11if __name__ == "__main__":12	expression = input("Enter a regular expression: ")...

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