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authorRichard Purdie <rpurdie@linux.intel.com>2010-01-20 18:46:02 +0000
committerRichard Purdie <rpurdie@linux.intel.com>2010-01-20 18:46:02 +0000
commit22c29d8651668195f72e2f6a8e059d625eb511c3 (patch)
treedd1dd43f0ec47a9964c8a766eb8b3ad75cf51a64 /bitbake-dev/lib/bb/providers.py
parent1bfd6edef9db9c9175058ae801d1b601e4f15263 (diff)
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bitbake: Switch to bitbake-dev version (bitbake master upstream)
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
Diffstat (limited to 'bitbake-dev/lib/bb/providers.py')
-rw-r--r--bitbake-dev/lib/bb/providers.py327
1 files changed, 0 insertions, 327 deletions
diff --git a/bitbake-dev/lib/bb/providers.py b/bitbake-dev/lib/bb/providers.py
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--- a/bitbake-dev/lib/bb/providers.py
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@@ -1,327 +0,0 @@
-# ex:ts=4:sw=4:sts=4:et
-# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
-#
-# Copyright (C) 2003, 2004 Chris Larson
-# Copyright (C) 2003, 2004 Phil Blundell
-# Copyright (C) 2003 - 2005 Michael 'Mickey' Lauer
-# Copyright (C) 2005 Holger Hans Peter Freyther
-# Copyright (C) 2005 ROAD GmbH
-# Copyright (C) 2006 Richard Purdie
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 as
-# published by the Free Software Foundation.
-#
-# 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 General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along
-# with this program; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-
-import re
-from bb import data, utils
-import bb
-
-class NoProvider(Exception):
- """Exception raised when no provider of a build dependency can be found"""
-
-class NoRProvider(Exception):
- """Exception raised when no provider of a runtime dependency can be found"""
-
-
-def sortPriorities(pn, dataCache, pkg_pn = None):
- """
- Reorder pkg_pn by file priority and default preference
- """
-
- if not pkg_pn:
- pkg_pn = dataCache.pkg_pn
-
- files = pkg_pn[pn]
- priorities = {}
- for f in files:
- priority = dataCache.bbfile_priority[f]
- preference = dataCache.pkg_dp[f]
- if priority not in priorities:
- priorities[priority] = {}
- if preference not in priorities[priority]:
- priorities[priority][preference] = []
- priorities[priority][preference].append(f)
- pri_list = priorities.keys()
- pri_list.sort(lambda a, b: a - b)
- tmp_pn = []
- for pri in pri_list:
- pref_list = priorities[pri].keys()
- pref_list.sort(lambda a, b: b - a)
- tmp_pref = []
- for pref in pref_list:
- tmp_pref.extend(priorities[pri][pref])
- tmp_pn = [tmp_pref] + tmp_pn
-
- return tmp_pn
-
-def preferredVersionMatch(pe, pv, pr, preferred_e, preferred_v, preferred_r):
- """
- Check if the version pe,pv,pr is the preferred one.
- If there is preferred version defined and ends with '%', then pv has to start with that version after removing the '%'
- """
- if (pr == preferred_r or preferred_r == None):
- if (pe == preferred_e or preferred_e == None):
- if preferred_v == pv:
- return True
- if preferred_v != None and preferred_v.endswith('%') and pv.startswith(preferred_v[:len(preferred_v)-1]):
- return True
- return False
-
-def findPreferredProvider(pn, cfgData, dataCache, pkg_pn = None, item = None):
- """
- Find the first provider in pkg_pn with a PREFERRED_VERSION set.
- """
-
- preferred_file = None
- preferred_ver = None
-
- localdata = data.createCopy(cfgData)
- bb.data.setVar('OVERRIDES', "pn-%s:%s:%s" % (pn, pn, data.getVar('OVERRIDES', localdata)), localdata)
- bb.data.update_data(localdata)
-
- preferred_v = bb.data.getVar('PREFERRED_VERSION_%s' % pn, localdata, True)
- if preferred_v:
- m = re.match('(\d+:)*(.*)(_.*)*', preferred_v)
- if m:
- if m.group(1):
- preferred_e = int(m.group(1)[:-1])
- else:
- preferred_e = None
- preferred_v = m.group(2)
- if m.group(3):
- preferred_r = m.group(3)[1:]
- else:
- preferred_r = None
- else:
- preferred_e = None
- preferred_r = None
-
- for file_set in pkg_pn:
- for f in file_set:
- pe,pv,pr = dataCache.pkg_pepvpr[f]
- if preferredVersionMatch(pe, pv, pr, preferred_e, preferred_v, preferred_r):
- preferred_file = f
- preferred_ver = (pe, pv, pr)
- break
- if preferred_file:
- break;
- if preferred_r:
- pv_str = '%s-%s' % (preferred_v, preferred_r)
- else:
- pv_str = preferred_v
- if not (preferred_e is None):
- pv_str = '%s:%s' % (preferred_e, pv_str)
- itemstr = ""
- if item:
- itemstr = " (for item %s)" % item
- if preferred_file is None:
- bb.msg.note(1, bb.msg.domain.Provider, "preferred version %s of %s not available%s" % (pv_str, pn, itemstr))
- else:
- bb.msg.debug(1, bb.msg.domain.Provider, "selecting %s as PREFERRED_VERSION %s of package %s%s" % (preferred_file, pv_str, pn, itemstr))
-
- return (preferred_ver, preferred_file)
-
-
-def findLatestProvider(pn, cfgData, dataCache, file_set):
- """
- Return the highest version of the providers in file_set.
- Take default preferences into account.
- """
- latest = None
- latest_p = 0
- latest_f = None
- for file_name in file_set:
- pe,pv,pr = dataCache.pkg_pepvpr[file_name]
- dp = dataCache.pkg_dp[file_name]
-
- if (latest is None) or ((latest_p == dp) and (utils.vercmp(latest, (pe, pv, pr)) < 0)) or (dp > latest_p):
- latest = (pe, pv, pr)
- latest_f = file_name
- latest_p = dp
-
- return (latest, latest_f)
-
-
-def findBestProvider(pn, cfgData, dataCache, pkg_pn = None, item = None):
- """
- If there is a PREFERRED_VERSION, find the highest-priority bbfile
- providing that version. If not, find the latest version provided by
- an bbfile in the highest-priority set.
- """
-
- sortpkg_pn = sortPriorities(pn, dataCache, pkg_pn)
- # Find the highest priority provider with a PREFERRED_VERSION set
- (preferred_ver, preferred_file) = findPreferredProvider(pn, cfgData, dataCache, sortpkg_pn, item)
- # Find the latest version of the highest priority provider
- (latest, latest_f) = findLatestProvider(pn, cfgData, dataCache, sortpkg_pn[0])
-
- if preferred_file is None:
- preferred_file = latest_f
- preferred_ver = latest
-
- return (latest, latest_f, preferred_ver, preferred_file)
-
-
-def _filterProviders(providers, item, cfgData, dataCache):
- """
- Take a list of providers and filter/reorder according to the
- environment variables and previous build results
- """
- eligible = []
- preferred_versions = {}
- sortpkg_pn = {}
-
- # The order of providers depends on the order of the files on the disk
- # up to here. Sort pkg_pn to make dependency issues reproducible rather
- # than effectively random.
- providers.sort()
-
- # Collate providers by PN
- pkg_pn = {}
- for p in providers:
- pn = dataCache.pkg_fn[p]
- if pn not in pkg_pn:
- pkg_pn[pn] = []
- pkg_pn[pn].append(p)
-
- bb.msg.debug(1, bb.msg.domain.Provider, "providers for %s are: %s" % (item, pkg_pn.keys()))
-
- # First add PREFERRED_VERSIONS
- for pn in pkg_pn.keys():
- sortpkg_pn[pn] = sortPriorities(pn, dataCache, pkg_pn)
- preferred_versions[pn] = findPreferredProvider(pn, cfgData, dataCache, sortpkg_pn[pn], item)
- if preferred_versions[pn][1]:
- eligible.append(preferred_versions[pn][1])
-
- # Now add latest verisons
- for pn in sortpkg_pn.keys():
- if pn in preferred_versions and preferred_versions[pn][1]:
- continue
- preferred_versions[pn] = findLatestProvider(pn, cfgData, dataCache, sortpkg_pn[pn][0])
- eligible.append(preferred_versions[pn][1])
-
- if len(eligible) == 0:
- bb.msg.error(bb.msg.domain.Provider, "no eligible providers for %s" % item)
- return 0
-
- # If pn == item, give it a slight default preference
- # This means PREFERRED_PROVIDER_foobar defaults to foobar if available
- for p in providers:
- pn = dataCache.pkg_fn[p]
- if pn != item:
- continue
- (newvers, fn) = preferred_versions[pn]
- if not fn in eligible:
- continue
- eligible.remove(fn)
- eligible = [fn] + eligible
-
- return eligible
-
-
-def filterProviders(providers, item, cfgData, dataCache):
- """
- Take a list of providers and filter/reorder according to the
- environment variables and previous build results
- Takes a "normal" target item
- """
-
- eligible = _filterProviders(providers, item, cfgData, dataCache)
-
- prefervar = bb.data.getVar('PREFERRED_PROVIDER_%s' % item, cfgData, 1)
- if prefervar:
- dataCache.preferred[item] = prefervar
-
- foundUnique = False
- if item in dataCache.preferred:
- for p in eligible:
- pn = dataCache.pkg_fn[p]
- if dataCache.preferred[item] == pn:
- bb.msg.note(2, bb.msg.domain.Provider, "selecting %s to satisfy %s due to PREFERRED_PROVIDERS" % (pn, item))
- eligible.remove(p)
- eligible = [p] + eligible
- foundUnique = True
- break
-
- bb.msg.debug(1, bb.msg.domain.Provider, "sorted providers for %s are: %s" % (item, eligible))
-
- return eligible, foundUnique
-
-def filterProvidersRunTime(providers, item, cfgData, dataCache):
- """
- Take a list of providers and filter/reorder according to the
- environment variables and previous build results
- Takes a "runtime" target item
- """
-
- eligible = _filterProviders(providers, item, cfgData, dataCache)
-
- # Should use dataCache.preferred here?
- preferred = []
- preferred_vars = []
- for p in eligible:
- pn = dataCache.pkg_fn[p]
- provides = dataCache.pn_provides[pn]
- for provide in provides:
- bb.msg.note(2, bb.msg.domain.Provider, "checking PREFERRED_PROVIDER_%s" % (provide))
- prefervar = bb.data.getVar('PREFERRED_PROVIDER_%s' % provide, cfgData, 1)
- if prefervar == pn:
- var = "PREFERRED_PROVIDER_%s = %s" % (provide, prefervar)
- bb.msg.note(2, bb.msg.domain.Provider, "selecting %s to satisfy runtime %s due to %s" % (pn, item, var))
- preferred_vars.append(var)
- eligible.remove(p)
- eligible = [p] + eligible
- preferred.append(p)
- break
-
- numberPreferred = len(preferred)
-
- if numberPreferred > 1:
- bb.msg.error(bb.msg.domain.Provider, "Conflicting PREFERRED_PROVIDER entries were found which resulted in an attempt to select multiple providers (%s) for runtime dependecy %s\nThe entries resulting in this conflict were: %s" % (preferred, item, preferred_vars))
-
- bb.msg.debug(1, bb.msg.domain.Provider, "sorted providers for %s are: %s" % (item, eligible))
-
- return eligible, numberPreferred
-
-regexp_cache = {}
-
-def getRuntimeProviders(dataCache, rdepend):
- """
- Return any providers of runtime dependency
- """
- rproviders = []
-
- if rdepend in dataCache.rproviders:
- rproviders += dataCache.rproviders[rdepend]
-
- if rdepend in dataCache.packages:
- rproviders += dataCache.packages[rdepend]
-
- if rproviders:
- return rproviders
-
- # Only search dynamic packages if we can't find anything in other variables
- for pattern in dataCache.packages_dynamic:
- pattern = pattern.replace('+', "\+")
- if pattern in regexp_cache:
- regexp = regexp_cache[pattern]
- else:
- try:
- regexp = re.compile(pattern)
- except:
- bb.msg.error(bb.msg.domain.Provider, "Error parsing re expression: %s" % pattern)
- raise
- regexp_cache[pattern] = regexp
- if regexp.match(rdepend):
- rproviders += dataCache.packages_dynamic[pattern]
-
- return rproviders