A first version of the obidistutils adapted to Python3

distutils.ext/obidistutils/command/build_scripts.py

@@ -0,0 +1,104 @@
+'''
+Created on 20 oct. 2012
+
+@author: coissac
+'''
+
+import os.path
+
+from distutils.command.build_scripts import build_scripts as ori_build_scripts,\
+    first_line_re
+from distutils.util import convert_path
+from distutils import log, sysconfig
+from distutils.dep_util import newer
+from stat import ST_MODE
+
+
+
+class build_scripts(ori_build_scripts):
+            
+    def copy_scripts (self):
+        """Copy each script listed in 'self.scripts'; if it's marked as a
+        Python script in the Unix way (first line matches 'first_line_re',
+        ie. starts with "\#!" and contains "python"), then adjust the first
+        line to refer to the current Python interpreter as we copy.
+        """        
+        self.mkpath(self.build_dir)
+        rawbuild_dir = os.path.join(os.path.dirname(self.build_dir),'raw_scripts')
+        self.mkpath(rawbuild_dir)
+        
+        outfiles = []
+        for script in self.scripts:
+            adjust = 0
+            script = convert_path(script)
+            outfile = os.path.join(self.build_dir, os.path.splitext(os.path.basename(script))[0])
+            rawoutfile = os.path.join(rawbuild_dir, os.path.basename(script))
+            outfiles.append(outfile)
+
+            if not self.force and not newer(script, outfile):
+                log.debug("not copying %s (up-to-date)", script)
+                continue
+
+            # Always open the file but ignore failures in dry-run mode --
+            # that way, we'll get accurate feedback if we can read the
+            # script.
+            try:
+                f = open(script, "r")
+            except IOError:
+                if not self.dry_run:
+                    raise
+                f = None
+            else:
+                first_line = f.readline()
+                if not first_line:
+                    self.warn("%s is an empty file (skipping)" % script)
+                    continue
+
+                match = first_line_re.match(first_line)
+                if match:
+                    adjust = 1
+                    post_interp = match.group(1) or ''
+            
+            log.info("Store the raw script %s -> %s", script,rawoutfile)        
+            self.copy_file(script, rawoutfile)
+
+
+            if adjust:
+                log.info("copying and adjusting %s -> %s", script,
+                         self.build_dir)
+                if not self.dry_run:
+                    outf = open(outfile, "w")
+                    if not sysconfig.python_build:
+                        outf.write("#!%s%s\n" %
+                                   (self.executable,
+                                    post_interp))
+                    else:
+                        outf.write("#!%s%s\n" %
+                                   (os.path.join(
+                            sysconfig.get_config_var("BINDIR"),
+                           "python%s%s" % (sysconfig.get_config_var("VERSION"),
+                                           sysconfig.get_config_var("EXE"))),
+                                    post_interp))
+                    outf.writelines(f.readlines())
+                    outf.close()
+                if f:
+                    f.close()
+            else:
+                if f:
+                    f.close()
+                self.copy_file(script, outfile)
+
+        if os.name == 'posix':
+            for F in outfiles:
+                if self.dry_run:
+                    log.info("changing mode of %s", F)
+                else:
+                    oldmode = os.stat(F)[ST_MODE]
+                    oldmode = oldmode & 0o7777
+                    
+                    newmode = (oldmode | 0o555) & 0o7777
+                    if newmode != oldmode:
+                        log.info("changing mode of %s from %o to %o",
+                                 F, oldmode, newmode)
+                        os.chmod(F, newmode)
+