| 1 | import os |
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| 2 | from subprocess import check_output, check_call |
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| 3 | import sys |
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| 4 | |
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| 5 | |
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| 6 | Verbose = 1 |
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| 7 | |
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| 8 | def which(command, paths=None): |
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| 9 | """which(command, [paths]) - Look up the given command in the paths string |
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| 10 | (or the PATH environment variable, if unspecified).""" |
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| 11 | |
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| 12 | if paths is None: |
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| 13 | paths = os.environ.get('PATH', '') |
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| 14 | |
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| 15 | # Check for absolute match first. |
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| 16 | if os.path.exists(command): |
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| 17 | return command |
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| 18 | |
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| 19 | # Would be nice if Python had a lib function for this. |
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| 20 | if not paths: |
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| 21 | paths = os.defpath |
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| 22 | |
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| 23 | # Get suffixes to search. |
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| 24 | # On Cygwin, 'PATHEXT' may exist but it should not be used. |
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| 25 | if os.pathsep == ';': |
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| 26 | pathext = os.environ.get('PATHEXT', '').split(';') |
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| 27 | else: |
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| 28 | pathext = [''] |
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| 29 | |
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| 30 | # Search the paths... |
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| 31 | for path in paths.split(os.pathsep): |
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| 32 | for ext in pathext: |
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| 33 | p = os.path.join(path, command + ext) |
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| 34 | if os.path.exists(p): |
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| 35 | return p |
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| 36 | |
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| 37 | return None |
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| 38 | |
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| 39 | |
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| 40 | def hasNoExtension(FileName): |
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| 41 | (Root, Ext) = os.path.splitext(FileName) |
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| 42 | return (Ext == "") |
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| 43 | |
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| 44 | |
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| 45 | def isValidSingleInputFile(FileName): |
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| 46 | (Root, Ext) = os.path.splitext(FileName) |
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| 47 | return Ext in (".i", ".ii", ".c", ".cpp", ".m", "") |
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| 48 | |
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| 49 | |
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| 50 | def getSDKPath(SDKName): |
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| 51 | """ |
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| 52 | Get the path to the SDK for the given SDK name. Returns None if |
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| 53 | the path cannot be determined. |
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| 54 | """ |
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| 55 | if which("xcrun") is None: |
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| 56 | return None |
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| 57 | |
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| 58 | Cmd = "xcrun --sdk " + SDKName + " --show-sdk-path" |
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| 59 | return check_output(Cmd, shell=True).rstrip() |
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| 60 | |
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| 61 | |
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| 62 | def runScript(ScriptPath, PBuildLogFile, Cwd, Stdout=sys.stdout, |
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| 63 | Stderr=sys.stderr): |
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| 64 | """ |
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| 65 | Run the provided script if it exists. |
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| 66 | """ |
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| 67 | if os.path.exists(ScriptPath): |
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| 68 | try: |
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| 69 | if Verbose == 1: |
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| 70 | Stdout.write(" Executing: %s\n" % (ScriptPath,)) |
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| 71 | check_call("chmod +x '%s'" % ScriptPath, cwd=Cwd, |
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| 72 | stderr=PBuildLogFile, |
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| 73 | stdout=PBuildLogFile, |
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| 74 | shell=True) |
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| 75 | check_call("'%s'" % ScriptPath, cwd=Cwd, |
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| 76 | stderr=PBuildLogFile, |
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| 77 | stdout=PBuildLogFile, |
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| 78 | shell=True) |
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| 79 | except: |
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| 80 | Stderr.write("Error: Running %s failed. See %s for details.\n" % ( |
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| 81 | ScriptPath, PBuildLogFile.name)) |
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| 82 | sys.exit(-1) |
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| 83 | |
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| 84 | |
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| 85 | def isCommentCSVLine(Entries): |
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| 86 | """ |
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| 87 | Treat CSV lines starting with a '#' as a comment. |
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| 88 | """ |
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| 89 | return len(Entries) > 0 and Entries[0].startswith("#") |
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| 90 | |
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