diff options
Diffstat (limited to 'roverlay/ebuild/creation.py')
| -rw-r--r-- | roverlay/ebuild/creation.py | 82 |
1 files changed, 56 insertions, 26 deletions
diff --git a/roverlay/ebuild/creation.py b/roverlay/ebuild/creation.py index e2f4872..fca864d 100644 --- a/roverlay/ebuild/creation.py +++ b/roverlay/ebuild/creation.py @@ -1,4 +1,4 @@ -# R Overlay -- ebuild creation, <?> +# R Overlay -- ebuild creation # Copyright 2006-2012 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 @@ -10,13 +10,26 @@ from roverlay.rpackage.descriptionreader import DescriptionReader LOGGER = logging.getLogger ( 'EbuildCreation' ) +# USE_FULL_DESCRIPTION +# * True: use Title and Description for ebuild's DESCRIPTION variable +# * else: use Title _or_ Description USE_FULL_DESCRIPTION = False +# FALLBACK_DESCRIPTION is used as DESCRIPTION= value if not empty and +# the R package has no Title/Description +FALLBACK_DESCRIPTION = "<none>" class EbuildCreation ( object ): + """Used to create an ebuild using DESCRIPTION data.""" def __init__ ( self, package_info, depres_channel_spawner=None ): + """Initializes the creation of an ebuild. + arguments: + * package_info -- + * depres_channel_spawner -- function that returns a communication + channel to the resolver + """ self.package_info = package_info self.logger = LOGGER.getChild ( package_info ['name'] ) @@ -24,7 +37,6 @@ class EbuildCreation ( object ): # > 0 busy/working; 0 == done,success; < 0 done,fail self.status = 1 - self.depres_channel_spawner = depres_channel_spawner self.package_info.set_readonly() @@ -36,6 +48,7 @@ class EbuildCreation ( object ): def fail ( self ) : return self.status < 0 def run ( self ): + """Creates an ebuild. Returns None (implicit).""" if self.status < 1: raise Exception ( "Cannot run again." ) @@ -58,6 +71,8 @@ class EbuildCreation ( object ): # --- end of run (...) --- def _lazyimport_desc_data ( self ): + """Reads R package description data.""" + # TODO/FIXME: read this somewhere else? if self.package_info.get ( 'desc_data', fallback_value=None, do_fallback=True ) is None: @@ -75,23 +90,51 @@ class EbuildCreation ( object ): # --- end of _lazyimport_desc_data (...) --- + def _get_ebuild_description ( self ): + """Creates a DESCRIPTION variable.""" + desc = self.package_info ['desc_data'] + + description = None + if USE_FULL_DESCRIPTION: + # use Title and Description for DESCRIPTION= + if 'Title' in desc: + description = desc ['Title'] + + if 'Description' in desc: + if description is None: + description = desc ['Description'] + else: + description += '// ' + desc ['Description'] + else: + # use either Title or Description for DESCRIPTION= + # (Title preferred 'cause it should be shorter) + if 'Title' in desc: + description = desc ['Title'] + elif 'Description' in desc: + description = desc ['Description'] + + + if description is not None: + return evars.DESCRIPTION ( description ) + elif FALLBACK_DESCRIPTION: + return evars.DESCRIPTION ( FALLBACK_DESCRIPTION ) + else: + return None + # --- end of _get_ebuild_description (...) --- def _make_ebuild ( self ): - desc = self.package_info ['desc_data'] - if desc is None: + """Tries to create ebuild data.""" + if self.package_info ['desc_data'] is None: self.logger ( 'desc empty - cannot create an ebuild for this package.' ) return False - ebuild = ebuilder.Ebuilder() - _dep_resolution = depres.EbuildDepRes ( self.package_info, self.logger, create_iuse=True, run_now=True, depres_channel_spawner=self.depres_channel_spawner ) - if not _dep_resolution.success(): # log here? (FIXME) return False @@ -99,29 +142,15 @@ class EbuildCreation ( object ): dep_result = _dep_resolution.get_result() + ebuild = ebuilder.Ebuilder() + # add *DEPEND, IUSE to the ebuild ebuild.use ( *dep_result [1] ) - description = None - if USE_FULL_DESCRIPTION: - if 'Title' in desc: - description = desc ['Title'] - - if 'Description' in desc: - if description is None: - description = desc ['Description'] - else: - description += '// ' + desc ['Description'] - else: - if 'Title' in desc: - description = desc ['Title'] - elif 'Description' in desc: - description = desc ['Description'] - - - if description is not None: - ebuild.use ( evars.DESCRIPTION ( description ) ) + # DESCRIPTION + ebuild.use ( self._get_ebuild_description() ) + # SRC_URI ebuild.use ( evars.SRC_URI ( self.package_info ['SRC_URI'] ) ) ebuild_text = ebuild.to_str() @@ -132,3 +161,4 @@ class EbuildCreation ( object ): ) return True + # --- end of _make_ebuild (...) --- |