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-rw-r--r--lib/python2.7/distutils/command/build_scripts.py131
1 files changed, 131 insertions, 0 deletions
diff --git a/lib/python2.7/distutils/command/build_scripts.py b/lib/python2.7/distutils/command/build_scripts.py
new file mode 100644
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+++ b/lib/python2.7/distutils/command/build_scripts.py
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+"""distutils.command.build_scripts
+
+Implements the Distutils 'build_scripts' command."""
+
+__revision__ = "$Id$"
+
+import os, re
+from stat import ST_MODE
+from distutils.core import Command
+from distutils.dep_util import newer
+from distutils.util import convert_path
+from distutils import log
+
+# check if Python is called on the first line with this expression
+first_line_re = re.compile('^#!.*python[0-9.]*([ \t].*)?$')
+
+class build_scripts (Command):
+
+ description = "\"build\" scripts (copy and fixup #! line)"
+
+ user_options = [
+ ('build-dir=', 'd', "directory to \"build\" (copy) to"),
+ ('force', 'f', "forcibly build everything (ignore file timestamps"),
+ ('executable=', 'e', "specify final destination interpreter path"),
+ ]
+
+ boolean_options = ['force']
+
+
+ def initialize_options (self):
+ self.build_dir = None
+ self.scripts = None
+ self.force = None
+ self.executable = None
+ self.outfiles = None
+
+ def finalize_options (self):
+ self.set_undefined_options('build',
+ ('build_scripts', 'build_dir'),
+ ('force', 'force'),
+ ('executable', 'executable'))
+ self.scripts = self.distribution.scripts
+
+ def get_source_files(self):
+ return self.scripts
+
+ def run (self):
+ if not self.scripts:
+ return
+ self.copy_scripts()
+
+
+ def copy_scripts (self):
+ """Copy each script listed in 'self.scripts'; if it's marked as a
+ Python script in the Unix way (first line matches 'first_line_re',
+ ie. starts with "\#!" and contains "python"), then adjust the first
+ line to refer to the current Python interpreter as we copy.
+ """
+ _sysconfig = __import__('sysconfig')
+ self.mkpath(self.build_dir)
+ outfiles = []
+ for script in self.scripts:
+ adjust = 0
+ script = convert_path(script)
+ outfile = os.path.join(self.build_dir, os.path.basename(script))
+ outfiles.append(outfile)
+
+ if not self.force and not newer(script, outfile):
+ log.debug("not copying %s (up-to-date)", script)
+ continue
+
+ # Always open the file, but ignore failures in dry-run mode --
+ # that way, we'll get accurate feedback if we can read the
+ # script.
+ try:
+ f = open(script, "r")
+ except IOError:
+ if not self.dry_run:
+ raise
+ f = None
+ else:
+ first_line = f.readline()
+ if not first_line:
+ self.warn("%s is an empty file (skipping)" % script)
+ continue
+
+ match = first_line_re.match(first_line)
+ if match:
+ adjust = 1
+ post_interp = match.group(1) or ''
+
+ if adjust:
+ log.info("copying and adjusting %s -> %s", script,
+ self.build_dir)
+ if not self.dry_run:
+ outf = open(outfile, "w")
+ if not _sysconfig.is_python_build():
+ outf.write("#!%s%s\n" %
+ (self.executable,
+ post_interp))
+ else:
+ outf.write("#!%s%s\n" %
+ (os.path.join(
+ _sysconfig.get_config_var("BINDIR"),
+ "python%s%s" % (_sysconfig.get_config_var("VERSION"),
+ _sysconfig.get_config_var("EXE"))),
+ post_interp))
+ outf.writelines(f.readlines())
+ outf.close()
+ if f:
+ f.close()
+ else:
+ if f:
+ f.close()
+ self.copy_file(script, outfile)
+
+ if os.name == 'posix':
+ for file in outfiles:
+ if self.dry_run:
+ log.info("changing mode of %s", file)
+ else:
+ oldmode = os.stat(file)[ST_MODE] & 07777
+ newmode = (oldmode | 0555) & 07777
+ if newmode != oldmode:
+ log.info("changing mode of %s from %o to %o",
+ file, oldmode, newmode)
+ os.chmod(file, newmode)
+
+ # copy_scripts ()
+
+# class build_scripts