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# R Overlay -- <comment TODO>
# Copyright 2006-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
import threading
import os.path
from roverlay.overlay.package import PackageDir
import roverlay.util
class Category ( object ):
def __init__ ( self, name, logger, directory ):
"""Initializes a overlay/portage category (such as 'app-text', 'sci-R').
arguments:
* name -- name of the category
* logger -- parent logger
* directory -- filesystem location
"""
self.logger = logger.getChild ( name )
self.name = name
self._lock = threading.RLock()
self._subdirs = dict()
self.physical_location = directory
# --- end of __init__ (...) ---
def empty ( self ):
"""Returns True if this category contains 0 ebuilds."""
return \
len ( self._subdirs ) == 0 or \
not False in ( d.empty() for d in self._subdirs )
# --- end of empty (...) ---
def add ( self, package_info ):
"""Adds a package to this category.
arguments:
* package_info --
returns: None (implicit)
"""
# TODO make keys available
pkg_name = package_info ['name']
if not pkg_name in self._content:
self._lock.acquire()
if not pkg_name in self._content:
self._content [pkg_name] = PackageDir (
pkg_name,
self.logger,
None if self.physical_location is None else \
os.path.join ( self.physical_location, pkg_name )
)
self._lock.release()
self._content [pkg_name].add ( package_info )
# --- end of add (...) ---
def generate_metadata ( self, **metadata_kw ):
"""Generates metadata for all packages in this category.
Metadata are automatically generated when calling write().
arguments:
* **metadata_kw -- see PackageDir.generate_metadata(...)
returns: None (implicit)
"""
for package in self._subdirs.values():
package.generate_metadata ( **metadata_kw )
# --- end of generate_metadata (...) ---
def generate_manifest ( self, **manifest_kw ):
"""Generates Manifest files for all packages in this category.
Manifest files are automatically created when calling write().
arguments:
* **manifest_kw -- see PackageDir.generate_manifest(...)
returns: None (implicit)
"""
for package in self._subdirs.values():
package.generate_manifest ( **manifest_kw )
# --- end of generate_manifest (...) ---
def show ( self, **show_kw ):
"""Prints this category (its ebuild and metadata files).
returns: None (implicit)
"""
for package in self._subdirs.values():
package.show ( **show_kw )
# --- end of show (...) ---
def write ( self, **write_kw ):
"""Writes this category to its filesystem location.
returns: None (implicit)
"""
for package in self._subdirs.values():
if package.physical_location and not package.empty():
roverlay.util.dodir ( package.physical_location )
package.write ( **write_kw )
# --- end of write (...) ---
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