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metapackages.py
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metapackages.py
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# Copyright (C) 2016-2018 Dmitry Marakasov <amdmi3@amdmi3.ru>
#
# This file is part of repology
#
# repology is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# repology is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with repology. If not, see <http://www.gnu.org/licenses/>.
from collections import defaultdict
import flask
from repology.database import MetapackageRequest
from repology.package import UserVisibleVersionInfo, VersionClass
class MetapackagesFilterInfo:
fields = {
'search': {
'type': str,
'advanced': False,
'action': lambda request, value: request.NameSubstring(value.strip().lower()),
},
'maintainer': {
'type': str,
'advanced': True,
'action': lambda request, value: request.Maintainer(value.strip().lower()),
},
'category': {
'type': str,
'advanced': True,
'action': lambda request, value: request.Category(value.strip()), # case sensitive (yet)
},
'inrepo': {
'type': str,
'advanced': True,
'action': lambda request, value: request.InRepo(value.strip().lower()),
},
'notinrepo': {
'type': str,
'advanced': True,
'action': lambda request, value: request.NotInRepo(value.strip().lower()),
},
'repos': {
'type': str,
'advanced': True,
'action': lambda request, value: request.Repos(value),
},
'families': {
'type': str,
'advanced': True,
'action': lambda request, value: request.Families(value),
},
'repos_newest': {
'type': str,
'advanced': True,
'action': lambda request, value: request.ReposNewest(value),
},
'families_newest': {
'type': str,
'advanced': True,
'action': lambda request, value: request.FamiliesNewest(value),
},
'newest': {
'type': bool,
'advanced': True,
'action': lambda request, value: request.Newest(),
},
'outdated': {
'type': bool,
'advanced': True,
'action': lambda request, value: request.Outdated(),
},
'problematic': {
'type': bool,
'advanced': True,
'action': lambda request, value: request.Problematic(),
},
'has_related': {
'type': bool,
'advanced': True,
'action': lambda request, value: request.HasRelated(),
},
}
def __init__(self):
self.args = {}
def ParseFlaskArgs(self):
flask_args = flask.request.args.to_dict()
for fieldname, fieldinfo in MetapackagesFilterInfo.fields.items():
if fieldname in flask_args:
if fieldinfo['type'] == bool:
self.args[fieldname] = True
elif fieldinfo['type'] == int and flask_args[fieldname].isdecimal():
self.args[fieldname] = int(flask_args[fieldname])
elif fieldinfo['type'] == str and flask_args[fieldname]:
self.args[fieldname] = flask_args[fieldname]
def GetDict(self):
return self.args
def GetRequest(self):
request = MetapackageRequest()
for fieldname, fieldinfo in MetapackagesFilterInfo.fields.items():
if fieldname in self.args:
fieldinfo['action'](request, self.args[fieldname])
return request
def GetMaintainer(self):
return self.args['maintainer'] if 'maintainer' in self.args else None
def GetRepo(self):
return self.args['inrepo'] if 'inrepo' in self.args else None
def IsAdvanced(self):
for fieldname in self.args.keys():
if MetapackagesFilterInfo.fields[fieldname]['advanced']:
return True
return False
def get_packages_name_range(packages):
firstname, lastname = None, None
if packages:
firstname = lastname = packages[0].effname
for package in packages[1:]:
lastname = max(lastname, package.effname)
firstname = min(firstname, package.effname)
return firstname, lastname
def packages_to_summary_items(packages, repo=None, maintainer=None):
# filter by either repo or maintainer, not both
if repo is not None:
maintainer = None
sumtypes = ('explicit', 'newest', 'outdated', 'ignored')
def summary_factory():
return {
sumtype: defaultdict(set)
for sumtype in sumtypes
}
summaries = defaultdict(summary_factory)
# pass 1: gather summaries in the intermediate format:
# dict by metapackage name -> dict by summary type (e.g. table columns) -> hash by versioninfo of sets of families
for package in packages:
target = None
versioninfo = package.get_user_visible_version()
if (repo is not None and repo == package.repo) or (maintainer is not None and maintainer in package.maintainers):
target = summaries[package.effname]['explicit']
elif package.versionclass in [VersionClass.outdated, VersionClass.legacy]:
target = summaries[package.effname]['outdated']
versioninfo.versionclass = VersionClass.outdated # we don't need to differentiate legacy and outdated here
elif package.versionclass in [VersionClass.devel, VersionClass.newest, VersionClass.unique]:
target = summaries[package.effname]['newest']
else:
target = summaries[package.effname]['ignored']
target[versioninfo].add(package.family)
# pass 2: count families and convert to final format:
# dict by metapackage name -> dict by summary type (e.g. table columns) -> list of versioninfos (with filled numfamilies)
for summary in summaries.values():
for sumtype in sumtypes:
summary[sumtype] = sorted([
UserVisibleVersionInfo(
versioninfo.version,
versioninfo.versionclass,
versioninfo.metaorder,
versioninfo.versionflags,
len(families)
)
for versioninfo, families in summary[sumtype].items()
], reverse=True)
return summaries
def packages_to_metapackages(*packagesets):
metapackages = defaultdict(list)
for packages in packagesets:
for package in packages:
metapackages[package.effname].append(package)
return metapackages