12b504961d
Minor changes: - Fixed broken tests (alive field was still there) - Added plural to Category model Signed-off-by: volpino <fox91@anche.no>
459 lines
15 KiB
Python
459 lines
15 KiB
Python
import subprocess
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import os
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from os.path import join
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import sys
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import portage
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from gentoolkit.metadata import MetaData
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from layman import Layman
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from xml.etree.ElementTree import iterparse, ParseError
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from django.db.transaction import commit_on_success
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from django.db import models
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from django.core.management.color import color_style
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from django.conf import settings
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from euscan.version import get_version_type
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from djeuscan.processing import FakeLogger
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from djeuscan.models import Package, Version, VersionLog, Category, Overlay
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class ScanPortage(object):
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def __init__(self, logger=None, no_log=False, purge_packages=False,
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purge_versions=False, upstream=False):
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self.logger = logger or FakeLogger()
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self.no_log = no_log
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self.purge_packages = purge_packages
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self.purge_versions = purge_versions
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self.upstream = upstream
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self.style = color_style()
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self._cache = {'packages': {}, 'versions': {}}
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self._overlays = None
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self._packages_updated = set()
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self._versions = set()
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self._versions_seen = set()
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def packages_updated(self):
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return list(self._packages_updated)
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def hash_package(self, category, name):
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return '%s/%s' % (category, name)
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def cache_store_package(self, package):
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key = self.hash_package(package.category, package.name)
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self._cache['packages'][key] = package
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def cache_get_package(self, category, name):
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return self._cache['packages'].get(
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self.hash_package(category, name)
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)
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def hash_version(self, category, name, version, revision,
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overlay):
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key = '%s/%s-%s-r%s %s' % (category, name,
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version, revision,
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overlay)
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return key
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def cache_get_version(self, category, name, version, revision,
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overlay):
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key = self.hash_version(category, name, version, revision,
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overlay)
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return self._cache['versions'].get(key)
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def cache_store_version(self, version):
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key = self.hash_version(
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version.package.category, version.package.name, version.version,
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version.revision, version.overlay
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)
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self._cache['versions'][key] = version
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self._versions.add(version)
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def scan_gentoopm(self, query, category=None):
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import gentoopm
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pm = gentoopm.get_package_manager()
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if category:
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packages = pm.stack.filter(key_category=category)
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elif query:
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packages = pm.stack.filter(query)
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else:
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packages = pm.stack
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package = {}
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package_name = None
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for p in packages:
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pkg = p.key.package
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if pkg != package_name:
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if package_name:
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yield package
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package_name = pkg
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package['package'] = p.key.package
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package['category'] = p.key.category
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package['homepage'] = ' '.join(p.homepages)
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package['description'] = p.description
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package['versions'] = []
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package['versions'].append(
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(p._cpv, p.slot, p.repository or 'gentoo')
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)
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if package_name:
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yield package
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def scan_eix_xml(self, query, category=None):
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cmd = ['eix', '--xml']
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env = os.environ
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env['XML_OVERLAY'] = 'true'
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if query:
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cmd.extend(['--exact', query])
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if category:
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cmd.extend(['-C', category])
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sub = subprocess.Popen(cmd, env=env, stdout=subprocess.PIPE)
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output = sub.stdout
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try:
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parser = iterparse(output, ["start", "end"])
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parser.next() # read root tag just for testing output
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except ParseError:
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if query:
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msg = "Unknown package '%s'" % query
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else:
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msg = "No packages."
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self.logger.error(self.style.ERROR(msg))
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return
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package = {'versions': []}
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category = ""
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for event, elem in parser:
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if event == "start": # on tag opening
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if elem.tag == "category":
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category = elem.attrib["name"]
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elif elem.tag == "package":
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package["package"] = elem.attrib["name"]
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package["category"] = category
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elif elem.tag in ["description", "homepage"]:
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package[elem.tag] = elem.text or ""
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elif elem.tag == "version":
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# append version data to versions
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cpv = "%s/%s-%s" % (
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package["category"],
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package["package"],
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elem.attrib["id"]
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)
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slot = elem.attrib.get("slot", "0")
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overlay = elem.attrib.get("repository", "gentoo")
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overlay_path = elem.attrib.get("overlay", None)
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package["versions"].append(
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(cpv, slot, overlay, overlay_path)
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)
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elif event == "end": # on tag closing
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if elem.tag == "package":
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# clean old data
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yield package
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package = {"versions": []}
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if elem.tag == "category":
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# clean old data
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category = ""
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elem.clear()
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def scan(self, query=None, category=None):
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for data in self.scan_eix_xml(query, category):
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#for data in self.scan_gentoopm(query, category):
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cat, pkg = data['category'], data['package']
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package = self.store_package(
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cat, pkg, data['homepage'], data['description']
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)
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new_version = False
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for cpv, slot, overlay, overlay_path in data['versions']:
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obj, created = self.store_version(
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package, cpv, slot, overlay, overlay_path
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)
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self._versions_seen.add(obj)
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new_version = created or new_version
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# If the package has at least one new version scan upstream for it
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if new_version:
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self._packages_updated.add(package)
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self.purge_old_versions()
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self.purge_old_packages()
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def store_package(self, cat, pkg, homepage, description):
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created = False
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obj = self.cache_get_package(cat, pkg)
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if not obj:
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obj, created = Package.objects.get_or_create(
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category=cat,
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name=pkg,
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defaults={"homepage": homepage, "description": description},
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)
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self.cache_store_package(obj)
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if created:
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self.logger.info('+ [p] %s/%s' % (cat, pkg))
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return obj
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def store_version(self, package, cpv, slot, overlay, overlay_path):
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cat, pkg, ver, rev = portage.catpkgsplit(cpv)
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if not overlay:
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overlay = 'gentoo'
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created = False
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obj = self.cache_get_version(
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package.category, package.name, ver, rev, overlay
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)
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overlay_path = overlay_path or portage.settings["PORTDIR"]
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package_path = join(overlay_path, package.category, package.name)
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ebuild_path = join(package_path, "%s.ebuild" % cpv.split("/")[-1])
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metadata_path = join(package_path, "metadata.xml")
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if not obj:
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obj, created = Version.objects.get_or_create(
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package=package,
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revision=rev,
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version=ver,
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overlay=overlay,
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defaults={
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"slot": slot,
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"packaged": True,
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"vtype": get_version_type(ver),
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"confidence": 100,
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"handler": "portage",
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"ebuild_path": ebuild_path,
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"metadata_path": metadata_path,
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}
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)
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if not created: # Created objects have defaults values
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if obj.slot != slot or obj.package != True:
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obj.slot = slot
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obj.packaged = True
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obj.save()
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if created:
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self.cache_store_version(obj)
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# nothing to do (note: it can't be an upstream version because
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# overlay can't be empty here)
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if not created:
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return obj, created
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# New version created
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self.logger.info('+ [v] %s' % (obj))
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if overlay == 'gentoo':
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package.n_packaged += 1
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else:
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package.n_overlay += 1
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package.n_versions += 1
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package.save()
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if not self.no_log:
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VersionLog.objects.create(
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package=obj.package,
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action=VersionLog.VERSION_ADDED,
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slot=obj.slot,
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revision=obj.revision,
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version=obj.version,
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overlay=obj.overlay,
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vtype=obj.vtype,
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)
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return obj, created
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def purge_old_packages(self):
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if not self.purge_packages:
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return
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packages = (
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Package.objects.values("id")
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.annotate(version_count=models.Count("version"))
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.filter(version_count=0)
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)
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packages = (
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Package.objects.filter(
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id__in=[package['id'] for package in packages]
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)
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)
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for package in packages:
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self.logger.info('- [p] %s' % (package))
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package.delete()
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def version_hack(self, version):
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try:
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if version.package.last_version_gentoo:
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version.package.last_version_gentoo.pk
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if version.package.last_version_overlay:
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version.package.last_version_overlay.pk
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if version.package.last_version_upstream:
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version.package.last_version_upstream.pk
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except Version.DoesNotExist:
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version.package.last_version_gentoo = None
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version.package.last_version_overlay = None
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version.package.last_version_upstream = None
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def purge_old_versions(self):
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if not self.purge_versions:
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return
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versions = self._versions.difference(self._versions_seen)
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for version in versions:
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self.logger.info('- [v] %s' % (version))
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if version.packaged == False:
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continue # Not our job
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# Fix last_version_ stuff that is sometime broken
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self.version_hack(version)
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if version.overlay == 'gentoo':
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version.package.n_packaged -= 1
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else:
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version.package.n_overlay -= 1
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version.package.n_versions -= 1
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version.package.save()
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if self.no_log:
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continue
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VersionLog.objects.create(
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package=version.package,
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action=VersionLog.VERSION_REMOVED,
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slot=version.slot,
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revision=version.revision,
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version=version.version,
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overlay=version.overlay,
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vtype=version.vtype,
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)
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# remove from last version ?
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version.delete()
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def prefetch(self, packages, category):
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self.logger.info('Prefetching current objects...')
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ppackages = Package.objects.all()
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pversions = Version.objects.filter(packaged=True)\
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.select_related('package').all()
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if category:
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ppackages = ppackages.filter(category=category)
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pversions = pversions.filter(package__category=category)
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if packages:
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ids = [package.id for package in packages]
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ppackages = ppackages.filter(pk__in=ids)
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pversions = pversions.filter(package__pk__in=ids)
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for package in ppackages:
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self.cache_store_package(package)
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for version in pversions:
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self.cache_store_version(version)
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self.logger.info('done')
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def populate_categories(logger):
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portdir = portage.settings["PORTDIR"]
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for cat in portage.settings.categories:
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try:
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meta = MetaData(join(portdir, cat, "metadata.xml"))
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desc = meta.descriptions()[0]
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except (IOError, IndexError):
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desc = ""
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obj, created = Category.objects.get_or_create(name=cat)
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obj.description = desc.strip()
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obj.save()
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if created:
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logger.info("+ [c] %s", cat)
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def populate_overlays(logger):
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l = Layman(stderr=sys.__stderr__, stdin=sys.__stdin__,
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stdout=sys.__stdout__, config=settings.LAYMAN_CONFIG, root="/")
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installed_overlays = l.get_installed()
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info = l.get_all_info(installed_overlays)
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for overlay in installed_overlays:
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if not overlay:
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continue
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obj, created = Overlay.objects.get_or_create(name=overlay)
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if overlay in info:
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obj.description = info[overlay]["description"]
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obj.homepage = info[overlay]["homepage"]
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obj.overlay_path = join(l.config['storage'], overlay)
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obj.save()
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if created:
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logger.info("+ [o] %s", overlay)
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@commit_on_success
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def scan_portage(packages=None, category=None, no_log=False, upstream=False,
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purge_packages=False, purge_versions=False, logger=None):
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logger = logger or FakeLogger()
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scan_handler = ScanPortage(
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logger=logger,
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no_log=no_log,
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purge_packages=purge_packages,
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purge_versions=purge_versions
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)
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logger.info('Scanning portage tree...')
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if not packages:
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qs = Package.objects.all()
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if category:
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qs = qs.filter(category=category)
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prefetch_packages = qs
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else:
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results = []
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for package in packages:
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if isinstance(package, Package):
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results.append(package)
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else:
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if '/' in package:
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cat, pkg = portage.catsplit(package)
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qs = Package.objects.filter(category=cat, name=pkg)
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else:
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qs = Package.objects.filter(name=package)
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for package in qs:
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results.append(package)
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prefetch_packages = results
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scan_handler.prefetch(prefetch_packages, category)
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if not packages and category:
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scan_handler.scan(category=category)
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elif not packages:
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scan_handler.scan()
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else:
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for pkg in packages:
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if isinstance(pkg, Package):
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scan_handler.scan('%s/%s' % (pkg.category, pkg.name))
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else:
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scan_handler.scan(pkg)
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populate_categories(logger)
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populate_overlays(logger)
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logger.info('Done.')
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return scan_handler.packages_updated()
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