diff options
Diffstat (limited to 'setuptools/command/depends.py')
| -rw-r--r-- | setuptools/command/depends.py | 86 |
1 files changed, 84 insertions, 2 deletions
diff --git a/setuptools/command/depends.py b/setuptools/command/depends.py index 8917c83..9d9c9f4 100644 --- a/setuptools/command/depends.py +++ b/setuptools/command/depends.py @@ -22,13 +22,54 @@ class depends(Command): ('install_lib','install_dir'), # where modules are installed ] + # Command options that can be safely passed to dependencies' setup scripts + safe_opts = { + 'install': [ + 'prefix','exec-prefix','home','install-base','install-platbase', + 'root','optimize','force','verbose','quiet' + ], + 'build': ['compiler','debug','force','verbose','quiet'], + } + + # Options with string arguments that are *not* directories or files, and + # so should *not* have absolute-path fixups applied. + non_fs_opts = {'build':['compiler'] } + def initialize_options(self): - self.temp = None + self.temp = None; self.ignore_extra_args = None def finalize_options(self): self.set_undefined_options('build',('build_temp', 'temp')) self.set_search_path() + self.set_subcommand_args() + + def set_subcommand_args(self): + safe = {'install':[]} # ensure we at least perform an install + unsafe = {} + copts = self.distribution.get_cmdline_options() + + if 'depends' in copts: + del copts['depends'] + + for cmd,opts in copts.items(): + safe_opts = self.safe_opts.get(cmd,()) + non_fs_opts = self.non_fs_opts.get(cmd,()) + + for opt,val in opts.items(): + if opt in safe_opts: + cmdline = safe.setdefault(cmd,[]) + if val is not None and opt not in non_fs_opts: + val = os.path.abspath(val) + else: + cmdline = unsafe.setdefault(cmd,[]) + + cmdline.append('--'+opt) + if val is not None: + cmdline.append(val) + + self.safe_options = safe + self.unsafe_options = unsafe def set_search_path(self): """Determine paths to check for installed dependencies""" @@ -41,21 +82,55 @@ class depends(Command): def run(self): self.announce("checking for installed dependencies") + needed = [ dep for dep in self.distribution.requires if self.is_needed(dep) ] + if not needed: self.announce("all dependencies are present and up-to-date") return + argv = [sys.executable,'setup.py'] + for cmd,line in self.safe_options.items(): + argv.append(cmd); argv.extend(line) + + self.announce( + "dependencies will be installed using:\n "+' '.join(argv)+'\n' + ) + + # Alert for unsupported commands/options, unless '-i' was used + if self.unsafe_options: + self.warn_unsafe_options_used() + if not self.ignore_extra_args: + raise SystemExit( + "Unsupported options for building dependencies; please" + " add 'depends -i'\nto your command line if you want to" + " force the build to proceed.\nOtherwise, you will need" + " to omit the unsupported options,\nor install the" + " dependencies manually." + ) + + # Alert the user to missing items fmt = "\t%s\t%s\n" items = [fmt % (dep.full_name(),dep.homepage) for dep in needed] - items.insert(0,"Please install the following packages first:\n") + items.insert(0,"Please install the following packages *first*:\n") items.append('') raise SystemExit('\n'.join(items)) # dump msg to stderr and exit + + def warn_unsafe_options_used(self): + lines = []; write = lines.append + write("the following command options are not supported for building") + write("dependencies, and will be IGNORED:") + for cmd,line in self.unsafe_options.items(): + write('\t%s %s' % (cmd,' '.join(line))) + write('') + self.warn('\n'.join(lines)) + + def is_needed(self,dep): """Does the specified dependency need to be installed/updated?""" @@ -80,3 +155,10 @@ class depends(Command): + + + + + + + |