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