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 | |
| 5 | # created 2000/05/23, Bastian Kleineidam |
| 6 | |
| 7 | __revision__ = "$Id$" |
| 8 | |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 9 | import sys, os, re |
Michael W. Hudson | fb173cd | 2001-12-10 16:15:44 +0000 | [diff] [blame] | 10 | from distutils import sysconfig |
Greg Ward | a4efe65 | 2000-05-25 01:20:15 +0000 | [diff] [blame] | 11 | from distutils.core import Command |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 12 | from distutils.dep_util import newer |
Just van Rossum | 8d8e7a3 | 2001-07-29 21:39:18 +0000 | [diff] [blame] | 13 | from distutils.util import convert_path |
Jeremy Hylton | cd8a114 | 2002-06-04 20:14:43 +0000 | [diff] [blame^] | 14 | from distutils import log |
Greg Ward | a4efe65 | 2000-05-25 01:20:15 +0000 | [diff] [blame] | 15 | |
Greg Ward | 7cf7e7e | 2001-07-25 20:20:11 +0000 | [diff] [blame] | 16 | # check if Python is called on the first line with this expression |
Marc-André Lemburg | bbea471 | 2002-02-28 09:16:21 +0000 | [diff] [blame] | 17 | first_line_re = re.compile(r'^#!.*python[0-9.]*(\s+.*)?$') |
Greg Ward | a4efe65 | 2000-05-25 01:20:15 +0000 | [diff] [blame] | 18 | |
| 19 | class build_scripts (Command): |
| 20 | |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 21 | description = "\"build\" scripts (copy and fixup #! line)" |
Greg Ward | a4efe65 | 2000-05-25 01:20:15 +0000 | [diff] [blame] | 22 | |
| 23 | user_options = [ |
| 24 | ('build-dir=', 'd', "directory to \"build\" (copy) to"), |
| 25 | ('force', 'f', "forcibly build everything (ignore file timestamps"), |
| 26 | ] |
| 27 | |
Greg Ward | 99b032e | 2000-09-25 01:41:15 +0000 | [diff] [blame] | 28 | boolean_options = ['force'] |
| 29 | |
Greg Ward | a4efe65 | 2000-05-25 01:20:15 +0000 | [diff] [blame] | 30 | |
| 31 | def initialize_options (self): |
| 32 | self.build_dir = None |
| 33 | self.scripts = None |
| 34 | self.force = None |
| 35 | self.outfiles = None |
| 36 | |
| 37 | def finalize_options (self): |
Greg Ward | cb1f4c4 | 2000-09-30 18:27:54 +0000 | [diff] [blame] | 38 | self.set_undefined_options('build', |
| 39 | ('build_scripts', 'build_dir'), |
| 40 | ('force', 'force')) |
Greg Ward | a4efe65 | 2000-05-25 01:20:15 +0000 | [diff] [blame] | 41 | self.scripts = self.distribution.scripts |
| 42 | |
| 43 | |
| 44 | def run (self): |
| 45 | if not self.scripts: |
| 46 | return |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 47 | self.copy_scripts() |
| 48 | |
Fred Drake | 53a7906 | 2001-03-02 07:28:03 +0000 | [diff] [blame] | 49 | |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 50 | def copy_scripts (self): |
| 51 | """Copy each script listed in 'self.scripts'; if it's marked as a |
| 52 | Python script in the Unix way (first line matches 'first_line_re', |
| 53 | ie. starts with "\#!" and contains "python"), then adjust the first |
Greg Ward | 612eb9f | 2000-07-27 02:13:20 +0000 | [diff] [blame] | 54 | line to refer to the current Python interpreter as we copy. |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 55 | """ |
Greg Ward | a4efe65 | 2000-05-25 01:20:15 +0000 | [diff] [blame] | 56 | self.mkpath(self.build_dir) |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 57 | for script in self.scripts: |
| 58 | adjust = 0 |
Just van Rossum | 8d8e7a3 | 2001-07-29 21:39:18 +0000 | [diff] [blame] | 59 | script = convert_path(script) |
Greg Ward | fe55e86 | 2000-05-25 20:05:52 +0000 | [diff] [blame] | 60 | outfile = os.path.join(self.build_dir, os.path.basename(script)) |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 61 | |
| 62 | if not self.force and not newer(script, outfile): |
Jeremy Hylton | cd8a114 | 2002-06-04 20:14:43 +0000 | [diff] [blame^] | 63 | log.debug("not copying %s (up-to-date)", script) |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 64 | continue |
| 65 | |
| 66 | # Always open the file, but ignore failures in dry-run mode -- |
| 67 | # that way, we'll get accurate feedback if we can read the |
| 68 | # script. |
| 69 | try: |
| 70 | f = open(script, "r") |
| 71 | except IOError: |
| 72 | if not self.dry_run: |
| 73 | raise |
| 74 | f = None |
| 75 | else: |
| 76 | first_line = f.readline() |
| 77 | if not first_line: |
| 78 | self.warn("%s is an empty file (skipping)" % script) |
Greg Ward | a4efe65 | 2000-05-25 01:20:15 +0000 | [diff] [blame] | 79 | continue |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 80 | |
| 81 | match = first_line_re.match(first_line) |
| 82 | if match: |
| 83 | adjust = 1 |
Marc-André Lemburg | 90294d0 | 2001-12-11 20:44:42 +0000 | [diff] [blame] | 84 | post_interp = match.group(1) or '' |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 85 | |
| 86 | if adjust: |
Jeremy Hylton | cd8a114 | 2002-06-04 20:14:43 +0000 | [diff] [blame^] | 87 | log.info("copying and adjusting %s -> %s", script, |
| 88 | self.build_dir) |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 89 | if not self.dry_run: |
| 90 | outf = open(outfile, "w") |
Michael W. Hudson | fb173cd | 2001-12-10 16:15:44 +0000 | [diff] [blame] | 91 | if not sysconfig.python_build: |
| 92 | outf.write("#!%s%s\n" % |
| 93 | (os.path.normpath(sys.executable), |
| 94 | post_interp)) |
| 95 | else: |
| 96 | outf.write("#!%s%s" % |
| 97 | (os.path.join( |
| 98 | sysconfig.get_config_var("BINDIR"), |
| 99 | "python" + sysconfig.get_config_var("EXE")), |
| 100 | post_interp)) |
Greg Ward | 80fa55e | 2000-05-25 02:03:56 +0000 | [diff] [blame] | 101 | outf.writelines(f.readlines()) |
| 102 | outf.close() |
| 103 | if f: |
| 104 | f.close() |
| 105 | else: |
| 106 | f.close() |
| 107 | self.copy_file(script, outfile) |
| 108 | |
| 109 | # copy_scripts () |
| 110 | |
| 111 | # class build_scripts |