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Monitors executables in a directory (passed as argument). Executables that are modified (based on md5sum) or introduced, are executed.
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#!/usr/bin/env python | |
import sys, os, commands, time, errno | |
def getExecutablesAndMd5(directory): | |
""" | |
Returns a dictionary with the following. | |
Key: Paths to executable within specified directory. | |
Value: The md5sums of the executable. | |
""" | |
execs = {} | |
for d in os.listdir(directory): | |
filePath = os.path.join(directory,d) | |
if (os.path.isfile(filePath) and os.access(filePath, os.X_OK)): | |
execs[filePath] = commands.getoutput('md5sum ' + filePath) | |
return execs | |
def sanityCheck(): | |
if len(sys.argv) < 2: | |
print 'Not enough arguments. Specify directory to monitor.' | |
exit(errno.EINVAL) | |
monitorDir = str(sys.argv[1]) | |
if not os.path.isdir(monitorDir): | |
print 'Directory "' + monitorDir + '" doesn\'t exist!' | |
exit(errno.ENOTDIR) | |
def main(): | |
""" | |
Monitors executables in a directory (passed as argument). | |
Executables that are modified (based on md5sum) or introduced, | |
are executed. | |
External requirements: md5sum | |
""" | |
sanityCheck() | |
os.system('clear') | |
print 'Waiting for executables.' | |
monitorDir = str(sys.argv[1]) | |
execs = getExecutablesAndMd5(monitorDir) | |
loopsSinceClear = 0 | |
while (True): | |
execsNow = getExecutablesAndMd5(monitorDir) | |
# Loop through to see if tests should be run. | |
areThereTestsToRun = False | |
for k in execsNow: | |
isNew = not execs.has_key(k) | |
isUpdated = execs.has_key(k) and execsNow[k] != execs[k] | |
if isNew or isUpdated: | |
areThereTestsToRun = True | |
break | |
if (areThereTestsToRun): | |
# Only clear screen if >6 iterations have passed by | |
# without tests being modified. | |
if loopsSinceClear > 6: | |
os.system('clear') | |
loopsSinceClear = 0 | |
# Execute tests that are new or updated. | |
for k in execsNow: | |
isNew = not execs.has_key(k) | |
isUpdated = execs.has_key(k) and execsNow[k] != execs[k] | |
if isNew or isUpdated: | |
print commands.getoutput(k) | |
else: | |
loopsSinceClear += 1 | |
execs = execsNow | |
time.sleep(0.5); | |
if __name__ == "__main__": | |
main() |
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