Greg Ward | a4efe65 | 2000-05-25 01:20:15 +0000 | [diff] [blame] | 1 | """distutils.command.build_scripts |
| 2 | |
| 3 | Implements the Distutils 'build_scripts' command.""" |
| 4 | |
Andrew M. Kuchling | d448f66 | 2002-11-19 13:12:28 +0000 | [diff] [blame] | 5 | # This module should be kept compatible with Python 1.5.2. |
| 6 | |
Greg Ward | a4efe65 | 2000-05-25 01:20:15 +0000 | [diff] [blame] | 7 | __revision__ = "$Id$" |
| 8 | |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 9 | import sys, os, re |
Guido van Rossum | bcb0e20 | 2003-01-24 14:56:52 +0000 | [diff] [blame] | 10 | from stat import ST_MODE |
Michael W. Hudson | fb173cd | 2001-12-10 16:15:44 +0000 | [diff] [blame] | 11 | from distutils import sysconfig |
Greg Ward | a4efe65 | 2000-05-25 01:20:15 +0000 | [diff] [blame] | 12 | from distutils.core import Command |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 13 | from distutils.dep_util import newer |
Just van Rossum | 8d8e7a3 | 2001-07-29 21:39:18 +0000 | [diff] [blame] | 14 | from distutils.util import convert_path |
Jeremy Hylton | cd8a114 | 2002-06-04 20:14:43 +0000 | [diff] [blame] | 15 | from distutils import log |
Greg Ward | a4efe65 | 2000-05-25 01:20:15 +0000 | [diff] [blame] | 16 | |
Greg Ward | 7cf7e7e | 2001-07-25 20:20:11 +0000 | [diff] [blame] | 17 | # check if Python is called on the first line with this expression |
Gustavo Niemeyer | 6cf2619 | 2003-06-27 19:33:38 +0000 | [diff] [blame] | 18 | first_line_re = re.compile('^#!.*python[0-9.]*([ \t].*)?$') |
Greg Ward | a4efe65 | 2000-05-25 01:20:15 +0000 | [diff] [blame] | 19 | |
| 20 | class build_scripts (Command): |
| 21 | |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 22 | description = "\"build\" scripts (copy and fixup #! line)" |
Greg Ward | a4efe65 | 2000-05-25 01:20:15 +0000 | [diff] [blame] | 23 | |
| 24 | user_options = [ |
| 25 | ('build-dir=', 'd', "directory to \"build\" (copy) to"), |
| 26 | ('force', 'f', "forcibly build everything (ignore file timestamps"), |
| 27 | ] |
| 28 | |
Greg Ward | 99b032e | 2000-09-25 01:41:15 +0000 | [diff] [blame] | 29 | boolean_options = ['force'] |
| 30 | |
Greg Ward | a4efe65 | 2000-05-25 01:20:15 +0000 | [diff] [blame] | 31 | |
| 32 | def initialize_options (self): |
| 33 | self.build_dir = None |
| 34 | self.scripts = None |
| 35 | self.force = None |
| 36 | self.outfiles = None |
| 37 | |
| 38 | def finalize_options (self): |
Greg Ward | cb1f4c4 | 2000-09-30 18:27:54 +0000 | [diff] [blame] | 39 | self.set_undefined_options('build', |
| 40 | ('build_scripts', 'build_dir'), |
| 41 | ('force', 'force')) |
Greg Ward | a4efe65 | 2000-05-25 01:20:15 +0000 | [diff] [blame] | 42 | self.scripts = self.distribution.scripts |
| 43 | |
Fred Drake | 4b49823 | 2004-03-25 22:04:52 +0000 | [diff] [blame] | 44 | def get_source_files(self): |
| 45 | return self.scripts |
Greg Ward | a4efe65 | 2000-05-25 01:20:15 +0000 | [diff] [blame] | 46 | |
| 47 | def run (self): |
| 48 | if not self.scripts: |
| 49 | return |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 50 | self.copy_scripts() |
| 51 | |
Fred Drake | 53a7906 | 2001-03-02 07:28:03 +0000 | [diff] [blame] | 52 | |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 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 |
Greg Ward | 612eb9f | 2000-07-27 02:13:20 +0000 | [diff] [blame] | 57 | line to refer to the current Python interpreter as we copy. |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 58 | """ |
Greg Ward | a4efe65 | 2000-05-25 01:20:15 +0000 | [diff] [blame] | 59 | self.mkpath(self.build_dir) |
Guido van Rossum | bcb0e20 | 2003-01-24 14:56:52 +0000 | [diff] [blame] | 60 | outfiles = [] |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 61 | for script in self.scripts: |
| 62 | adjust = 0 |
Just van Rossum | 8d8e7a3 | 2001-07-29 21:39:18 +0000 | [diff] [blame] | 63 | script = convert_path(script) |
Greg Ward | fe55e86 | 2000-05-25 20:05:52 +0000 | [diff] [blame] | 64 | outfile = os.path.join(self.build_dir, os.path.basename(script)) |
Guido van Rossum | bcb0e20 | 2003-01-24 14:56:52 +0000 | [diff] [blame] | 65 | outfiles.append(outfile) |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 66 | |
| 67 | if not self.force and not newer(script, outfile): |
Jeremy Hylton | cd8a114 | 2002-06-04 20:14:43 +0000 | [diff] [blame] | 68 | log.debug("not copying %s (up-to-date)", script) |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 69 | continue |
| 70 | |
| 71 | # Always open the file, but ignore failures in dry-run mode -- |
| 72 | # that way, we'll get accurate feedback if we can read the |
| 73 | # script. |
| 74 | try: |
| 75 | f = open(script, "r") |
| 76 | except IOError: |
| 77 | if not self.dry_run: |
| 78 | raise |
| 79 | f = None |
| 80 | else: |
| 81 | first_line = f.readline() |
| 82 | if not first_line: |
| 83 | self.warn("%s is an empty file (skipping)" % script) |
Greg Ward | a4efe65 | 2000-05-25 01:20:15 +0000 | [diff] [blame] | 84 | continue |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 85 | |
| 86 | match = first_line_re.match(first_line) |
| 87 | if match: |
| 88 | adjust = 1 |
Marc-André Lemburg | 90294d0 | 2001-12-11 20:44:42 +0000 | [diff] [blame] | 89 | post_interp = match.group(1) or '' |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 90 | |
| 91 | if adjust: |
Jeremy Hylton | cd8a114 | 2002-06-04 20:14:43 +0000 | [diff] [blame] | 92 | log.info("copying and adjusting %s -> %s", script, |
| 93 | self.build_dir) |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 94 | if not self.dry_run: |
| 95 | outf = open(outfile, "w") |
Michael W. Hudson | fb173cd | 2001-12-10 16:15:44 +0000 | [diff] [blame] | 96 | if not sysconfig.python_build: |
Tim Peters | 182b5ac | 2004-07-18 06:16:08 +0000 | [diff] [blame] | 97 | outf.write("#!%s%s\n" % |
Michael W. Hudson | fb173cd | 2001-12-10 16:15:44 +0000 | [diff] [blame] | 98 | (os.path.normpath(sys.executable), |
| 99 | post_interp)) |
| 100 | else: |
Gustavo Niemeyer | 6cf2619 | 2003-06-27 19:33:38 +0000 | [diff] [blame] | 101 | outf.write("#!%s%s\n" % |
Michael W. Hudson | fb173cd | 2001-12-10 16:15:44 +0000 | [diff] [blame] | 102 | (os.path.join( |
| 103 | sysconfig.get_config_var("BINDIR"), |
| 104 | "python" + sysconfig.get_config_var("EXE")), |
| 105 | post_interp)) |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 106 | outf.writelines(f.readlines()) |
| 107 | outf.close() |
| 108 | if f: |
| 109 | f.close() |
| 110 | else: |
| 111 | f.close() |
| 112 | self.copy_file(script, outfile) |
| 113 | |
Guido van Rossum | bcb0e20 | 2003-01-24 14:56:52 +0000 | [diff] [blame] | 114 | if os.name == 'posix': |
| 115 | for file in outfiles: |
| 116 | if self.dry_run: |
| 117 | log.info("changing mode of %s", file) |
| 118 | else: |
Guido van Rossum | d3590f9 | 2003-01-29 16:58:31 +0000 | [diff] [blame] | 119 | oldmode = os.stat(file)[ST_MODE] & 07777 |
| 120 | newmode = (oldmode | 0555) & 07777 |
| 121 | if newmode != oldmode: |
| 122 | log.info("changing mode of %s from %o to %o", |
| 123 | file, oldmode, newmode) |
| 124 | os.chmod(file, newmode) |
Guido van Rossum | bcb0e20 | 2003-01-24 14:56:52 +0000 | [diff] [blame] | 125 | |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 126 | # copy_scripts () |
| 127 | |
| 128 | # class build_scripts |