pungi/pungi/multilib_yum.py

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# -*- coding: utf-8 -*-
# This program 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; version 2 of the License.
#
# This program 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 Library General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <https://gnu.org/licenses/>.
import re
import fnmatch
import pungi.pathmatch
2015-02-05 15:56:24 +00:00
import pungi.gather
import pungi.util
LINE_PATTERN_RE = re.compile(r"^\s*(?P<line>[^#]+)(:?\s+(?P<comment>#.*))?$")
RUNTIME_PATTERN_SPLIT_RE = re.compile(
r"^\s*(?P<path>[^\s]+)\s+(?P<pattern>[^\s]+)(:?\s+(?P<comment>#.*))?$"
)
SONAME_PATTERN_RE = re.compile(r"^(.+\.so\.[a-zA-Z0-9_\.]+).*$")
def read_lines(lines):
result = []
for i in lines:
i = i.strip()
if not i:
continue
# skip comments
if i.startswith("#"):
continue
match = LINE_PATTERN_RE.match(i)
if match is None:
raise ValueError("Couldn't parse line: %s" % i)
gd = match.groupdict()
result.append(gd["line"])
return result
def read_lines_from_file(path):
lines = open(path, "r").readlines()
lines = read_lines(lines)
return lines
def read_runtime_patterns(lines):
result = []
for i in read_lines(lines):
match = RUNTIME_PATTERN_SPLIT_RE.match(i)
if match is None:
raise ValueError("Couldn't parse pattern: %s" % i)
gd = match.groupdict()
result.append((gd["path"], gd["pattern"]))
return result
def read_runtime_patterns_from_file(path):
lines = open(path, "r").readlines()
return read_runtime_patterns(lines)
def expand_runtime_patterns(patterns):
pm = pungi.pathmatch.PathMatch()
for path, pattern in patterns:
for root in ("", "/opt/*/*/root"):
# include Software Collections: /opt/<vendor>/<scl_name>/root/...
if "$LIBDIR" in path:
for lib_dir in ("/lib", "/lib64", "/usr/lib", "/usr/lib64"):
path_pattern = path.replace("$LIBDIR", lib_dir)
path_pattern = "%s/%s" % (root, path_pattern.lstrip("/"))
pm[path_pattern] = (path_pattern, pattern)
else:
path_pattern = "%s/%s" % (root, path.lstrip("/"))
pm[path_pattern] = (path_pattern, pattern)
return pm
class MultilibMethodBase(object):
"""a base class for multilib methods"""
name = "base"
def __init__(self, config_path):
self.config_path = config_path
def select(self, po):
raise NotImplementedError
def skip(self, po):
if (
pungi.gather.is_noarch(po)
or pungi.gather.is_source(po)
or pungi.util.pkg_is_debug(po)
):
return True
return False
def is_kernel(self, po):
for p_name, p_flag, (p_e, p_v, p_r) in po.provides:
if p_name == "kernel":
return True
return False
def is_kernel_devel(self, po):
for p_name, p_flag, (p_e, p_v, p_r) in po.provides:
if p_name == "kernel-devel":
return True
return False
def is_kernel_or_kernel_devel(self, po):
for p_name, p_flag, (p_e, p_v, p_r) in po.provides:
if p_name in ("kernel", "kernel-devel"):
return True
return False
class NoneMultilibMethod(MultilibMethodBase):
"""multilib disabled"""
name = "none"
def select(self, po):
return False
class AllMultilibMethod(MultilibMethodBase):
"""all packages are multilib"""
name = "all"
def select(self, po):
if self.skip(po):
return False
return True
class RuntimeMultilibMethod(MultilibMethodBase):
"""pre-defined paths to libs"""
name = "runtime"
def __init__(self, *args, **kwargs):
super(RuntimeMultilibMethod, self).__init__(*args, **kwargs)
self.blacklist = read_lines_from_file(
self.config_path + "runtime-blacklist.conf"
)
self.whitelist = read_lines_from_file(
self.config_path + "runtime-whitelist.conf"
)
self.patterns = expand_runtime_patterns(
read_runtime_patterns_from_file(self.config_path + "runtime-patterns.conf")
)
def select(self, po):
if self.skip(po):
return False
if po.name in self.blacklist:
return False
if po.name in self.whitelist:
return True
if self.is_kernel(po):
return False
# gather all *.so.* provides from the RPM header
provides = set()
for i in po.provides:
match = SONAME_PATTERN_RE.match(i[0])
if match is not None:
provides.add(match.group(1))
for path in po.returnFileEntries() + po.returnFileEntries("ghost"):
dirname, filename = path.rsplit("/", 1)
dirname = dirname.rstrip("/")
patterns = self.patterns[dirname]
if not patterns:
continue
for dir_pattern, file_pattern in patterns:
if file_pattern == "-":
return True
if fnmatch.fnmatch(filename, file_pattern):
if ".so.*" in file_pattern:
if filename in provides:
# return only if the lib is provided in RPM header
# (some libs may be private, hence not exposed in Provides)
return True
else:
return True
return False
class KernelMultilibMethod(MultilibMethodBase):
"""kernel and kernel-devel"""
name = "kernel"
def __init__(self, *args, **kwargs):
super(KernelMultilibMethod, self).__init__(*args, **kwargs)
def select(self, po):
if self.is_kernel_or_kernel_devel(po):
return True
return False
class YabootMultilibMethod(MultilibMethodBase):
"""yaboot on ppc"""
name = "yaboot"
def __init__(self, *args, **kwargs):
super(YabootMultilibMethod, self).__init__(*args, **kwargs)
def select(self, po):
if po.arch in ["ppc"]:
if po.name.startswith("yaboot"):
return True
return False
class DevelMultilibMethod(MultilibMethodBase):
"""all -devel and -static packages"""
name = "devel"
def __init__(self, *args, **kwargs):
super(DevelMultilibMethod, self).__init__(*args, **kwargs)
self.blacklist = read_lines_from_file(self.config_path + "devel-blacklist.conf")
self.whitelist = read_lines_from_file(self.config_path + "devel-whitelist.conf")
def select(self, po):
if self.skip(po):
return False
if po.name in self.blacklist:
return False
if po.name in self.whitelist:
return True
if self.is_kernel_devel(po):
return False
# HACK: exclude ghc*
if po.name.startswith("ghc-"):
return False
if po.name.endswith("-devel"):
return True
if po.name.endswith("-static"):
return True
for p_name, p_flag, (p_e, p_v, p_r) in po.provides:
if p_name.endswith("-devel"):
return True
if p_name.endswith("-static"):
return True
return False
DEFAULT_METHODS = ["devel", "runtime"]
METHOD_MAP = {}
def init(config_path="/usr/share/pungi/multilib/"):
global METHOD_MAP
if not config_path.endswith("/"):
config_path += "/"
for cls in (
AllMultilibMethod,
DevelMultilibMethod,
KernelMultilibMethod,
NoneMultilibMethod,
RuntimeMultilibMethod,
YabootMultilibMethod,
):
method = cls(config_path)
METHOD_MAP[method.name] = method
def po_is_multilib(po, methods):
for method_name in methods:
if not method_name:
continue
method = METHOD_MAP[method_name]
if method.select(po):
return method_name
return None