82 lines
2.3 KiB
Python
82 lines
2.3 KiB
Python
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#!/usr/bin/env python
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#
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# Sample Hello World! python script...
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#
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import subprocess
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import sys
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import os
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animals = ["camel", "llama", "owl"]
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fruit_color = { "apple":"red", "banana":"yellow"}
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fruits = fruit_color.keys()
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colors = fruit_color.items()
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verinfo = subprocess.check_output(["git", "describe", "--abbrev=7",
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"--dirty", "--always", "--tags"])
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# Obligatory Hello World with some version info
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print "Hello Python World! Version: " +verinfo
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# Show list of command line arguments
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print "Command line args: ",
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for i in sys.argv[1:]:
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print " " + i,
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print ""
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# Determine number of physical CPU sockets
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if os.name == 'nt':
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pass
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else:
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socketcount = subprocess.check_output(["bash","-c",
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"(cat /proc/cpuinfo | grep 'physical id' | sort | uniq | wc -l)"])
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print "CPU socket count: ", socketcount
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# print out our animals array in reverse-sorted order
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print "\nValue of animals array:"
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for i in sorted(animals, reverse=True):
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print "item = " + i
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if (i == animals[0]):
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print " Condition is TRUE, \"" +i+ "\" == " + animals[0]
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else:
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print " Condition is FALSE, \"" +i+ "\" != " + animals[0]
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# print our fruit_color dictionary (key/value pairs)
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print "\nValue of fruit_color hash:"
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for fruit,color in sorted(fruit_color.items(), reverse=True):
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print fruit, " = ", color
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# Read a non-existent environment variable and supply default value...
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some_env_var = os.getenv("PROBABLY_NOT_THERE", "Default Value")
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print "\nPROBABLY_NOT_THERE is set to '"+some_env_var+"'\n"
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# Let's read in the PATH variable from the OS and print it out...
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path_env_var = os.environ['PATH']
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print "OS PATH var is set to: '"+path_env_var+"'\n"
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# Let's manipulate PATH variable and then restore it
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print "Adding :/test to PATH variable"
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os.environ['PATH'] = os.environ['PATH'] + ":/test"
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print "OS PATH var is set to: '"+os.environ['PATH']+"'\n"
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print "Restoring original PATH value."
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os.environ['PATH'] = path_env_var
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print "OS PATH var is set to: '"+path_env_var+"'\n"
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# Let's create the file test.out and write animals array to it...
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print "\nWriting test.out file..."
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file = open("test.out", "w")
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for i in animals:
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file.write(i+"\n")
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file.close()
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# Now open the file we wrote and read it back...
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print "\nContents of test.out file:"
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file = open("test.out", "r")
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linenum = 1
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for line in file:
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print "line "+str(linenum)+": "+line,
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linenum += 1
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file.close()
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sys.exit(0)
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