blob: 0ed4a4b02f793efc880d3e3d16bb2efada101182 [file] [log] [blame]
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("#")