| import os |
| from subprocess import check_call |
| import sys |
| |
| |
| Verbose = 1 |
| |
| def which(command, paths=None): |
| """which(command, [paths]) - Look up the given command in the paths string |
| (or the PATH environment variable, if unspecified).""" |
| |
| if paths is None: |
| paths = os.environ.get('PATH', '') |
| |
| # Check for absolute match first. |
| if os.path.exists(command): |
| return command |
| |
| # Would be nice if Python had a lib function for this. |
| if not paths: |
| paths = os.defpath |
| |
| # Get suffixes to search. |
| # On Cygwin, 'PATHEXT' may exist but it should not be used. |
| if os.pathsep == ';': |
| pathext = os.environ.get('PATHEXT', '').split(';') |
| else: |
| pathext = [''] |
| |
| # Search the paths... |
| for path in paths.split(os.pathsep): |
| for ext in pathext: |
| p = os.path.join(path, command + ext) |
| if os.path.exists(p): |
| return p |
| |
| return None |
| |
| |
| def hasNoExtension(FileName): |
| (Root, Ext) = os.path.splitext(FileName) |
| return (Ext == "") |
| |
| |
| def isValidSingleInputFile(FileName): |
| (Root, Ext) = os.path.splitext(FileName) |
| return Ext in (".i", ".ii", ".c", ".cpp", ".m", "") |
| |
| |
| def runScript(ScriptPath, PBuildLogFile, Cwd, Stdout=sys.stdout, |
| Stderr=sys.stderr): |
| """ |
| Run the provided script if it exists. |
| """ |
| if os.path.exists(ScriptPath): |
| try: |
| if Verbose == 1: |
| Stdout.write(" Executing: %s\n" % (ScriptPath,)) |
| check_call("chmod +x '%s'" % ScriptPath, cwd=Cwd, |
| stderr=PBuildLogFile, |
| stdout=PBuildLogFile, |
| shell=True) |
| check_call("'%s'" % ScriptPath, cwd=Cwd, |
| stderr=PBuildLogFile, |
| stdout=PBuildLogFile, |
| shell=True) |
| except: |
| Stderr.write("Error: Running %s failed. See %s for details.\n" % ( |
| ScriptPath, PBuildLogFile.name)) |
| sys.exit(-1) |
| |
| |
| def isCommentCSVLine(Entries): |
| """ |
| Treat CSV lines starting with a '#' as a comment. |
| """ |
| return len(Entries) > 0 and Entries[0].startswith("#") |
