How to use run_grep method in autotest

Best Python code snippet using autotest_python

lgtestlib.py

Source: lgtestlib.py Github

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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):...

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grep2.py

Source: grep2.py Github

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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.]+)'...

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grep.py

Source: grep.py Github

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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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