105 lines
3.8 KiB
Python
Executable File
105 lines
3.8 KiB
Python
Executable File
'''
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Created on 20 oct. 2012
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@author: coissac
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'''
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import os.path
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from distutils.command.build_scripts import build_scripts as ori_build_scripts
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from distutils.util import convert_path
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from distutils import log, sysconfig
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from distutils.dep_util import newer
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from stat import ST_MODE
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import re
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first_line_re = re.compile('^#!.*python[0-9.]*([ \t].*)?$')
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class build_scripts(ori_build_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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self.mkpath(self.build_dir)
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rawbuild_dir = os.path.join(os.path.dirname(self.build_dir),'raw_scripts')
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self.mkpath(rawbuild_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.splitext(os.path.basename(script))[0])
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rawoutfile = os.path.join(rawbuild_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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log.info("Store the raw script %s -> %s", script,rawoutfile)
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self.copy_file(script, rawoutfile)
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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.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 F in outfiles:
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if self.dry_run:
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log.info("changing mode of %s", F)
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else:
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oldmode = os.stat(F)[ST_MODE]
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oldmode = oldmode & 0o7777
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newmode = (oldmode | 0o555) & 0o7777
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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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F, oldmode, newmode)
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os.chmod(F, newmode)
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