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authornecoro <>2006-09-06 19:11:50 +0000
committernecoro <>2006-09-06 19:11:50 +0000
commitc7993113d10ec8412cf60663d3afcbb9643fbb2a (patch)
tree31c48e6c66427a29013726e2f336664cf28c252c /geneticone/helper.py
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diff --git a/geneticone/helper.py b/geneticone/helper.py
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+#!/usr/bin/python
+
+from geneticone import *
+import geneticone
+
+import re
+import os
+
+import gentoolkit
+import portage
+from portage_util import unique_array
+
+class BlockedException (Exception):
+ pass
+
+class PackageNotFoundException (Exception):
+ pass
+
+def find_lambda (name):
+ """Returns the function needed by all the find_all_*-functions. Returns None if no name is given."""
+ if name != None:
+ return lambda x: re.match(".*"+name+".*",x)
+ else:
+ return lambda x: True
+
+def geneticize_list (list_of_packages):
+ '''to convert the output of each gentoolkit helper function is a list of *geneticone* Package objects
+ '''
+ cpvs=[x.get_cpv() for x in list_of_packages]
+ return [geneticone.Package(x) for x in cpvs]
+
+def find_best_match (search_key, only_installed = False):
+ """Finds the best match in the portage tree."""
+ t = None
+ if not only_installed:
+ t = porttree.dep_bestmatch(search_key)
+ else:
+ t = vartree.dep_bestmatch(search_key)
+ if t:
+ return geneticone.Package(t)
+ return None
+
+def find_packages (search_key, masked=False):
+ """This returns a list of packages which have to fit exactly. Additionally ranges like '<,>,=,~,!' et. al. are possible."""
+ return geneticize_list(gentoolkit.find_packages(search_key, masked))
+
+def find_installed_packages (search_key, masked=False):
+ """This returns a list of installed packages which have to fit exactly. Additionally ranges like '<,>,=,~,!' et. al. are possible."""
+ return geneticize_list(gentoolkit.find_installed_packages(search_key, masked))
+
+def find_system_packages (name=None):
+ """Returns a list-tuple (resolved_packages, unresolved_packages) for all system packages."""
+ list = gentoolkit.find_system_packages()
+ return (geneticize_list(list[0]), geneticize_list(list[1]))
+
+def find_world_packages ():
+ """Returns a list-tuple (resolved_packages, unresolved_packages) for all packages in the world-file."""
+ list = gentoolkit.find_world_packages()
+ return geneticize_list(list[0]),geneticize_list(list[1])
+
+def find_all_installed_packages (name=None):
+ """Returns a list of all installed packages matching ".*name.*".
+ Returns ALL installed packages if name is None."""
+ return geneticize_list(gentoolkit.find_all_installed_packages(find_lambda(name)))
+
+def find_all_uninstalled_packages (name=None):
+ """Returns a list of all uninstalled packages matching ".*name.*".
+ Returns ALL uninstalled packages if name is None."""
+ return geneticize_list(gentoolkit.find_all_uninstalled_packages(find_lambda(name)))
+
+def find_all_packages (name=None):
+ """Returns a list of all packages matching ".*name.*".
+ Returns ALL packages if name is None."""
+ return geneticize_list(gentoolkit.find_all_packages(find_lambda(name)))
+
+def find_all_world_files (name=None):
+ """Returns a list of all world packages matching ".*name.*".
+ Returns ALL world packages if name is None."""
+ world = filter(find_lambda(name), [x.get_cpv() for x in find_world_packages()[0]])
+ world = unique_array(world)
+ return [geneticone.Package(x) for x in world]
+
+def find_all_system_files (name=None):
+ """Returns a list of all system packages matching ".*name.*".
+ Returns ALL system packages if name is None."""
+ sys = filter(find_lambda(name), [x.get_cpv() for x in find_system_packages()[0]])
+ sys = unique_array(sys)
+ return [geneticone.Package(x) for x in sys]
+
+def list_categories (name=None):
+ """Returns a list of categories matching ".*name.*" or all categories."""
+ categories = gentoolkit.settings.categories
+ return filter(find_lambda(name), categories)
+
+def split_package_name (name):
+ """Returns a list in the form [category, name, version, revision]. Revision will
+ be 'r0' if none can be inferred. Category and version will be empty, if none can
+ be inferred."""
+ return gentoolkit.split_package_name(name)
+
+def sort_package_list(pkglist):
+ """Sorts a package list in the same manner portage does."""
+ return gentoolkit.sort_package_list(pkglist)
+
+def am_i_root ():
+ """Returns True if the current user is root, False otherwise."""
+ if os.getuid() == 0:
+ return True
+ else:
+ return False
+
+def old_export_to_dictionaries (list_of_packages):
+ '''DEPRECATED:
+ Exports some of the intrinsic data of a list of Package objects to a list of dictionaries.
+ This is meant to transmit data back to the genetic-client, just by eval()-uating the output.'''
+ dictionaries=[]
+ keys=['name','version','category','cpv','runtime_deps','compiletime_deps','postmerge_deps','is_installed', 'is_overlay', 'is_masked','mask_status', 'package_path', 'size','use_flags_when_installed','all_useflags','set_useflags']
+ package_methods=['get_name','get_version','get_category','get_cpv','get_runtime_deps', 'get_compiletime_deps','get_postmerge_deps','is_installed','is_overlay','is_masked','get_mask_status','get_package_path','size','get_use_flags','get_all_useflags','get_set_useflags']
+
+ for item in list_of_packages:
+ dictionaries.append({})
+ for key,method in zip(keys,package_methods):
+ try:
+ dictionaries[-1][key]=eval('item.'+method+'()')
+ except AttributeError: #this may happen if, for example, package is not installed and I look for the path...
+ dictionaries[-1][key]=None
+ return dictionaries
+
+def export_to_dictionaries (packages):
+ '''Exports some of the intrinsic data of a list of Package objects to a list of dictionaries.
+ This is meant to transmit data back to the genetic-client, just by eval()-uating the output.'''
+ dictionaries=[]
+
+ for item in packages:
+ dictionaries.append({})
+ for method in dir(item):
+ if (method.startswith('get_') or method.startswith('is_'))\
+ and method != 'get_dependants': # bug in gentoolkit.Package.get_dependants --> see bug #137783
+ key = method[method.index('_')+1:] # the key is everything after the first underscore
+ try:
+ dictionaries[-1][key] = eval("item."+method+"()")
+ except AttributeError: # this may happen if, for example, package is not installed and I look for the path...
+ dictionaries[-1][key] = None
+ except TypeError:
+ pass # this method takes an argument - ignore it
+ except NotImplementedError:
+ pass # this method is not implemented - ignore
+ except "Not implemented yet!":
+ pass
+ return dictionaries
+
+use_descs = {}
+local_use_descs = {}
+def get_use_desc (flag, package = None):
+ """Returns the description of a specific useflag or None if no desc was found.
+ If a package is given (in the <cat>/<name> format) the local use descriptions are searched too.
+ In the first run the dictionaries 'use_descs' and 'local_use_descs' are filled."""
+ # fill cache if needed
+ if use_descs == {} or local_use_descs == {}:
+ # read use.desc
+ fd = open(gentoolkit.settings["PORTDIR"]+"/profiles/use.desc")
+ for line in fd.readlines():
+ line = line.strip()
+ if line != "" and line[0] != '#':
+ fields = [x.strip() for x in line.split(" - ",1)]
+ if len(fields) == 2:
+ use_descs[fields[0]] = fields[1]
+
+ # read use.local.desc
+ fd = open(gentoolkit.settings["PORTDIR"]+"/profiles/use.local.desc")
+ for line in fd.readlines():
+ line = line.strip()
+ if line != "" and line[0] != '#':
+ fields = [x.strip() for x in line.split(":",1)]
+ if len(fields) == 2:
+ if not fields[0] in local_use_descs: # create
+ local_use_descs[fields[0]] = {}
+ subfields = [x.strip() for x in fields[1].split(" - ",1)]
+ if len(subfields) == 2:
+ local_use_descs[fields[0]][subfields[0]] = subfields[1]
+
+ # start
+ desc = None
+ if flag in use_descs:
+ desc = use_descs[flag]
+ if package != None:
+ if package in local_use_descs:
+ if flag in local_use_descs[package]:
+ desc = local_use_descs[package][flag]
+ return desc
diff --git a/geneticone/helper.pyc b/geneticone/helper.pyc
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