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# vim:fileencoding=utf-8
# (c) 2011 Michał Górny <mgorny@gentoo.org>
# Released under the terms of the 2-clause BSD license.
import os, os.path
class EbuildRepository(object):
"""
A universal class to handle an ebuild repository in a PM-agnostic manner.
>>> r = EbuildRepository('/usr/portage') # XXX: do not depend on path
>>> r.repo_name # doctest: +ELLIPSIS
'...'
"""
def __init__(self, path):
"""
Instantiate a new EbuildRepository. Read the repository name.
@param path: path to the repository
@type path: string
@raise IOError: for repo_name file operations
@raise ValueError: if repo_name contents are invalid
"""
self.path = path
rnpath = os.path.join(path, 'profiles', 'repo_name')
f = open(rnpath, 'r')
self.repo_name = f.readline().strip()
f.close()
catspath = os.path.join(path, 'profiles', 'categories')
try:
f = open(catspath, 'r');
self.categories = [l.strip() for l in f.readlines()]
f.close()
except IOError:
self.categories = []
if not self.repo_name:
raise ValueError('Repository %s has invalid name.' % path)
def get_category_from_path(self, fn):
head = fn
while head:
head, tail = os.path.split(head)
if tail in ('eclass', 'licenses', 'metadata', 'profiles'):
return None
return tail
def write_files(self, files):
"""
Write files to the repository.
@param files: a dict, as returned by L{library.case.TestCase.get_output_files()}
@type files: dict(string -> stringifiable)
"""
newcats = set()
for fn in files:
cat = self.get_category_from_path(fn)
if cat and cat not in self.categories:
newcats.add(cat)
self.add_categories(newcats, files)
for fn, c in files.items():
fp = os.path.join(self.path, fn)
if not os.path.exists(os.path.dirname(fp)):
os.makedirs(os.path.dirname(fp))
f = open(fp, 'w')
f.write(bytes(c))
f.close()
def remanifest(self, files, pm):
"""
Remanifest files in repository.
@param files: filenames in the repository
@type files: iterable(string)
@param pm: the package manager instance
@type pm: L{PackageManager}
"""
dirs = set()
for fn in files:
cat = self.get_category_from_path(fn)
if cat:
dirs.add(os.path.join(self.path, os.path.dirname(fn)))
pm.remanifest(dirs)
def add_categories(self, cats, files):
"""
Add categories in to profiles/categories. Update
the profiles/categories file in C{files}.
@param cats: categories to add
@type cats: list(string)
@param files: the files dict
@type files: dict(string -> stringifiable)
"""
# XXX: profiles/categories can contain new categories already
# and they may not be in self.categories
self.categories.extend(cats)
newcats = '\n'.join(self.categories)
files[os.path.join('profiles', 'categories')] = newcats
class NewEbuildRepository(EbuildRepository):
"""
A subclass of EbuildRepository supporting creating a new repository
for the test suite (i.e. not requiring repo_name to exist).
"""
def __init__(self, path, repo_name):
"""
Create a new ebuild repository in C{path}. Name it C{repo_name}.
@param path: path to the repository
@type path: string
@param repo_name: the new repository name
@type repo_name: string
"""
rnpath = os.path.join(path, 'profiles', 'repo_name')
dirpath = os.path.dirname(rnpath)
if not os.path.isdir(dirpath): # XXX: poor
os.makedirs(dirpath)
f = open(rnpath, 'w')
f.write(repo_name)
f.close()
EbuildRepository.__init__(self, path)
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