| 1 | """distutils.command.build_scripts
|
|---|
| 2 |
|
|---|
| 3 | Implements the Distutils 'build_scripts' command."""
|
|---|
| 4 |
|
|---|
| 5 | __revision__ = "$Id$"
|
|---|
| 6 |
|
|---|
| 7 | import os, re
|
|---|
| 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
|
|---|
| 13 |
|
|---|
| 14 | # check if Python is called on the first line with this expression
|
|---|
| 15 | first_line_re = re.compile('^#!.*python[0-9.]*([ \t].*)?$')
|
|---|
| 16 |
|
|---|
| 17 | class build_scripts (Command):
|
|---|
| 18 |
|
|---|
| 19 | description = "\"build\" scripts (copy and fixup #! line)"
|
|---|
| 20 |
|
|---|
| 21 | user_options = [
|
|---|
| 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"),
|
|---|
| 25 | ]
|
|---|
| 26 |
|
|---|
| 27 | boolean_options = ['force']
|
|---|
| 28 |
|
|---|
| 29 |
|
|---|
| 30 | def initialize_options (self):
|
|---|
| 31 | self.build_dir = None
|
|---|
| 32 | self.scripts = None
|
|---|
| 33 | self.force = None
|
|---|
| 34 | self.executable = None
|
|---|
| 35 | self.outfiles = None
|
|---|
| 36 |
|
|---|
| 37 | def finalize_options (self):
|
|---|
| 38 | self.set_undefined_options('build',
|
|---|
| 39 | ('build_scripts', 'build_dir'),
|
|---|
| 40 | ('force', 'force'),
|
|---|
| 41 | ('executable', 'executable'))
|
|---|
| 42 | self.scripts = self.distribution.scripts
|
|---|
| 43 |
|
|---|
| 44 | def get_source_files(self):
|
|---|
| 45 | return self.scripts
|
|---|
| 46 |
|
|---|
| 47 | def run (self):
|
|---|
| 48 | if not self.scripts:
|
|---|
| 49 | return
|
|---|
| 50 | self.copy_scripts()
|
|---|
| 51 |
|
|---|
| 52 |
|
|---|
| 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.
|
|---|
| 58 | """
|
|---|
| 59 | _sysconfig = __import__('sysconfig')
|
|---|
| 60 | self.mkpath(self.build_dir)
|
|---|
| 61 | outfiles = []
|
|---|
| 62 | for script in self.scripts:
|
|---|
| 63 | adjust = 0
|
|---|
| 64 | script = convert_path(script)
|
|---|
| 65 | outfile = os.path.join(self.build_dir, os.path.basename(script))
|
|---|
| 66 | outfiles.append(outfile)
|
|---|
| 67 |
|
|---|
| 68 | if not self.force and not newer(script, outfile):
|
|---|
| 69 | log.debug("not copying %s (up-to-date)", script)
|
|---|
| 70 | continue
|
|---|
| 71 |
|
|---|
| 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
|
|---|
| 74 | # script.
|
|---|
| 75 | try:
|
|---|
| 76 | f = open(script, "r")
|
|---|
| 77 | except IOError:
|
|---|
| 78 | if not self.dry_run:
|
|---|
| 79 | raise
|
|---|
| 80 | f = None
|
|---|
| 81 | else:
|
|---|
| 82 | first_line = f.readline()
|
|---|
| 83 | if not first_line:
|
|---|
| 84 | self.warn("%s is an empty file (skipping)" % script)
|
|---|
| 85 | continue
|
|---|
| 86 |
|
|---|
| 87 | match = first_line_re.match(first_line)
|
|---|
| 88 | if match:
|
|---|
| 89 | adjust = 1
|
|---|
| 90 | post_interp = match.group(1) or ''
|
|---|
| 91 |
|
|---|
| 92 | if adjust:
|
|---|
| 93 | log.info("copying and adjusting %s -> %s", script,
|
|---|
| 94 | self.build_dir)
|
|---|
| 95 | if not self.dry_run:
|
|---|
| 96 | outf = open(outfile, "w")
|
|---|
| 97 | if not _sysconfig.is_python_build():
|
|---|
| 98 | if os.name == "os2":
|
|---|
| 99 | executable = self.executable.replace(os.environ.get("UNIXROOT"),"/@unixroot").lower()
|
|---|
| 100 | else:
|
|---|
| 101 | executable = self.executable
|
|---|
| 102 | outf.write("#!%s%s\n" %
|
|---|
| 103 | (executable,
|
|---|
| 104 | post_interp))
|
|---|
| 105 | else:
|
|---|
| 106 | outf.write("#!%s%s\n" %
|
|---|
| 107 | (os.path.join(
|
|---|
| 108 | _sysconfig.get_config_var("BINDIR"),
|
|---|
| 109 | "python%s%s" % (_sysconfig.get_config_var("VERSION"),
|
|---|
| 110 | _sysconfig.get_config_var("EXE"))),
|
|---|
| 111 | post_interp))
|
|---|
| 112 | outf.writelines(f.readlines())
|
|---|
| 113 | outf.close()
|
|---|
| 114 | if f:
|
|---|
| 115 | f.close()
|
|---|
| 116 | else:
|
|---|
| 117 | if f:
|
|---|
| 118 | f.close()
|
|---|
| 119 | self.copy_file(script, outfile)
|
|---|
| 120 |
|
|---|
| 121 | if os.name == 'posix':
|
|---|
| 122 | for file in outfiles:
|
|---|
| 123 | if self.dry_run:
|
|---|
| 124 | log.info("changing mode of %s", file)
|
|---|
| 125 | else:
|
|---|
| 126 | oldmode = os.stat(file)[ST_MODE] & 07777
|
|---|
| 127 | newmode = (oldmode | 0555) & 07777
|
|---|
| 128 | if newmode != oldmode:
|
|---|
| 129 | log.info("changing mode of %s from %o to %o",
|
|---|
| 130 | file, oldmode, newmode)
|
|---|
| 131 | os.chmod(file, newmode)
|
|---|
| 132 |
|
|---|
| 133 | # copy_scripts ()
|
|---|
| 134 |
|
|---|
| 135 | # class build_scripts
|
|---|
