1 """distutils.command.build_scripts
3 Implements the Distutils 'build_scripts' command."""
8 from stat import ST_MODE
9 from distutils.core import Command
10 from distutils.dep_util import newer
11 from distutils.util import convert_path
12 from distutils import log
14 # check if Python is called on the first line with this expression
15 first_line_re = re.compile('^#!.*python[0-9.]*([ \t].*)?$')
17 class build_scripts (Command):
19 description = "\"build\" scripts (copy and fixup #! line)"
22 ('build-dir=', 'd', "directory to \"build\" (copy) to"),
23 ('force', 'f', "forcibly build everything (ignore file timestamps"),
24 ('executable=', 'e', "specify final destination interpreter path"),
27 boolean_options = ['force']
30 def initialize_options (self):
34 self.executable = None
37 def finalize_options (self):
38 self.set_undefined_options('build',
39 ('build_scripts', 'build_dir'),
41 ('executable', 'executable'))
42 self.scripts = self.distribution.scripts
44 def get_source_files(self):
53 def copy_scripts (self):
54 """Copy each script listed in 'self.scripts'; if it's marked as a
55 Python script in the Unix way (first line matches 'first_line_re',
56 ie. starts with "\#!" and contains "python"), then adjust the first
57 line to refer to the current Python interpreter as we copy.
59 _sysconfig = __import__('sysconfig')
60 self.mkpath(self.build_dir)
62 for script in self.scripts:
64 script = convert_path(script)
65 outfile = os.path.join(self.build_dir, os.path.basename(script))
66 outfiles.append(outfile)
68 if not self.force and not newer(script, outfile):
69 log.debug("not copying %s (up-to-date)", script)
72 # Always open the file, but ignore failures in dry-run mode --
73 # that way, we'll get accurate feedback if we can read the
82 first_line = f.readline()
84 self.warn("%s is an empty file (skipping)" % script)
87 match = first_line_re.match(first_line)
90 post_interp = match.group(1) or ''
93 log.info("copying and adjusting %s -> %s", script,
96 outf = open(outfile, "w")
97 if not _sysconfig.is_python_build():
98 outf.write("#!%s%s\n" %
102 outf.write("#!%s%s\n" %
104 _sysconfig.get_config_var("BINDIR"),
105 "python%s%s" % (_sysconfig.get_config_var("VERSION"),
106 _sysconfig.get_config_var("EXE"))),
108 outf.writelines(f.readlines())
115 self.copy_file(script, outfile)
117 if os.name == 'posix':
118 for file in outfiles:
120 log.info("changing mode of %s", file)
122 oldmode = os.stat(file)[ST_MODE] & 07777
123 newmode = (oldmode | 0555) & 07777
124 if newmode != oldmode:
125 log.info("changing mode of %s from %o to %o",
126 file, oldmode, newmode)
127 os.chmod(file, newmode)
131 # class build_scripts