158 lines
4.3 KiB
Python
158 lines
4.3 KiB
Python
"""
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djeuscan.helpers
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"""
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from distutils.version import StrictVersion, LooseVersion
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from django.db.models import Q
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def xint(i):
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"""
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Tries to cast to int, fallbacks to 0
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"""
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try:
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return int(i)
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except Exception:
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return 0
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def select_related_last_versions(queryset):
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queryset = queryset.select_related(
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'last_version_gentoo',
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'last_version_overlay',
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'last_version_upstream'
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)
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def version_key(version):
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version = version.version
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try:
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return StrictVersion(version)
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# in case of abnormal version number, fall back to LooseVersion
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except ValueError:
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return LooseVersion(version)
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def packages_from_names(data):
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"""
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Returns a list of Package objects from a string of names
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"""
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from djeuscan.models import Package
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packages = []
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data = data.replace("\r", "")
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for pkg in data.split('\n'):
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if pkg.count('/') == 1:
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cat, pkg = pkg.split('/')
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packages.extend(Package.objects.filter(category=cat, name=pkg))
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else:
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packages.extend(Package.objects.filter(name=pkg))
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return packages
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def rename_fields(vqs, fields):
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ret = []
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for n in vqs:
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for tr in fields:
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if tr[0] in n:
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n[tr[1]] = n[tr[0]]
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del n[tr[0]]
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ret.append(n)
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return ret
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class catch_and_return(object):
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def __init__(self, err, response):
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self.err = err
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self.response = response
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def __call__(self, fn):
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def wrapper(*args, **kwargs):
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try:
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return fn(*args, **kwargs)
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except self.err:
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return self.response
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return wrapper
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def get_profile(user):
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from djeuscan.models import UserProfile
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try:
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return user.get_profile()
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except UserProfile.DoesNotExist:
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UserProfile.objects.create(user=user)
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return user.get_profile()
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def get_account_categories(user):
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from djeuscan.models import Package
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# TODO: This is quite ugly
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category_names = [obj.name for obj in get_profile(user).categories.all()]
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return [c for c in Package.objects.categories()
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if c["category"] in category_names]
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def get_account_herds(user):
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from djeuscan.models import Package
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ids = [herd.pk for herd in get_profile(user).herds.all()]
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return Package.objects.herds(ids=ids)
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def get_account_maintainers(user):
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from djeuscan.models import Package
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ids = [obj.pk for obj in get_profile(user).maintainers.all()]
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return Package.objects.maintainers(ids=ids)
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def get_account_versionlogs(profile):
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"""
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Returns all watched packages
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"""
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from djeuscan.models import Package, VersionLog
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q_categories = Q(category__in=[
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category.name for category in profile.categories.all()])
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q_herds = Q(herds__in=profile.herds.all())
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q_maintainers = Q(maintainers__in=profile.maintainers.all())
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packages = list(profile.packages.all()) + list(Package.objects.filter(
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q_categories | q_herds | q_maintainers))
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overlays = [o.name for o in profile.overlays.all()]
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return VersionLog.objects.filter(
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Q(package__in=packages) | Q(overlay__in=overlays)
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)
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def get_user_fav_infos(user):
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upstream_k = lambda c: c["n_versions"] - c["n_packaged"] - c["n_overlay"]
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categories = sorted(get_account_categories(user),
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key=upstream_k, reverse=True)
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c_upstream = sum([upstream_k(c) for c in categories])
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herds = sorted(get_account_herds(user),
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key=upstream_k, reverse=True)
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h_upstream = sum([upstream_k(c) for c in herds])
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maintainers = sorted(get_account_maintainers(user),
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key=upstream_k, reverse=True)
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m_upstream = sum([upstream_k(c) for c in maintainers])
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packages = sorted(
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get_profile(user).packages.all(),
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key=lambda p: p.n_versions - p.n_packaged - p.n_overlay,
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reverse=True
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)
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p_upstream = sum(
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[c.n_versions - c.n_packaged - c.n_overlay for c in packages]
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)
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return {
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"categories": categories, "categories_upstream": c_upstream,
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"herds": herds, "herds_upstream": h_upstream,
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"maintainers": maintainers, "maintainers_upstream": m_upstream,
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"packages": packages, "packages_upstream": p_upstream,
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}
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