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annotate pyver.py @ 37:cd8f740a8ffc traipse_dev
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Traipse 'OpenRPG' {Build Number}
Small description of the software
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author | sirebral |
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date | Mon, 03 Aug 2009 20:56:36 -0500 |
parents | 4385a7d0efd1 |
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rev | line source |
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0
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1 import sys # Needed for version |
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2 import string # Needed for split |
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3 from orpg.orpg_version import * # To get NEEDS_PYTHON_MAJOR, MINOR, and MICRO |
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4 |
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5 def getNumber(numberstringtoconvert): |
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6 currentnumberstring = "" |
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7 for number in numberstringtoconvert: |
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8 if number >= "0" and number <="9": |
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9 currentnumberstring += number |
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10 else: |
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11 break |
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12 if currentnumberstring == "": |
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13 return 0 |
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14 else: |
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15 return int(currentnumberstring) |
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16 # This checks to make sure a certain version of python or later is in use |
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17 # The actual version requested is set in orpg/openrpg_version |
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18 def checkPyVersion(): |
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19 |
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20 # taking the first split on whitespace of sys.version gives us the version info without the build stuff |
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21 vernumstring = string.split(sys.version)[0] |
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22 |
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23 # This splits the version string into (major,minor,micro). Actually, a complicating factor |
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24 # is that there sometimes isn't a micro, e.g. 2.0. We'll just do it the hard way to build |
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25 # the numbers instead of tuple unpacking. |
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26 splits = string.split(vernumstring,'.') |
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27 |
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28 # Assign default values |
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29 micro = 0 |
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30 minor = 0 |
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31 major = 0 |
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32 # Assign the integer conversion of each, assuming that it was found. If not found, we assumed 0 just above. |
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33 if len(splits) > 0: |
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34 major = getNumber(splits[0]) |
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35 if len(splits) > 1: |
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36 minor = getNumber(splits[1]) |
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37 if len(splits) > 2: |
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38 micro = getNumber(splits[2]) |
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39 # Check against min version info from orpg/orpg_version |
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40 if major >= NEEDS_PYTHON_MAJOR: |
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41 if major > NEEDS_PYTHON_MAJOR: # If it's greater, there's no need to check the minor |
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42 return |
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43 if minor >= NEEDS_PYTHON_MINOR: |
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44 if minor > NEEDS_PYTHON_MINOR: # If it's greater, there's no need to check the micro |
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45 return |
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46 if micro >= NEEDS_PYTHON_MICRO: |
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47 return |
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48 |
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49 # If we get here, then the version check failed so we inform the user of the required version and exit |
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50 print "Invalid python version being used. Detected version %s," % (vernumstring) |
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51 print "but version %i.%i.%i or better is required!" % (NEEDS_PYTHON_MAJOR,NEEDS_PYTHON_MINOR,NEEDS_PYTHON_MICRO) |
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52 print "You either have the wrong version of Python installed or you" |
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53 print "have multiple versions installed. If you have multiple versions," |
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54 print "please make sure Python %i.%i.%i or better is found first in your path or explicitly" % (NEEDS_PYTHON_MAJOR,NEEDS_PYTHON_MINOR,NEEDS_PYTHON_MICRO) |
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55 print "start using, \"<path>\python <program>\"." |
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56 sys.exit( 1 ) |