generic-poky/bitbake-dev/lib/bb/__init__.py

1135 lines
33 KiB
Python

# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
#
# BitBake Build System Python Library
#
# Copyright (C) 2003 Holger Schurig
# Copyright (C) 2003, 2004 Chris Larson
#
# Based on Gentoo's portage.py.
#
# 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.
__version__ = "1.9.0"
__all__ = [
"debug",
"note",
"error",
"fatal",
"mkdirhier",
"movefile",
"tokenize",
"evaluate",
"flatten",
"relparse",
"ververify",
"isjustname",
"isspecific",
"pkgsplit",
"catpkgsplit",
"vercmp",
"pkgcmp",
"dep_parenreduce",
"dep_opconvert",
# fetch
"decodeurl",
"encodeurl",
# modules
"parse",
"data",
"command",
"event",
"build",
"fetch",
"manifest",
"methodpool",
"cache",
"runqueue",
"taskdata",
"providers",
]
whitespace = '\t\n\x0b\x0c\r '
lowercase = 'abcdefghijklmnopqrstuvwxyz'
import sys, os, types, re, string, bb
from bb import msg
#projectdir = os.path.dirname(os.path.dirname(os.path.abspath(sys.argv[0])))
projectdir = os.getcwd()
if "BBDEBUG" in os.environ:
level = int(os.environ["BBDEBUG"])
if level:
bb.msg.set_debug_level(level)
class VarExpandError(Exception):
pass
class MalformedUrl(Exception):
"""Exception raised when encountering an invalid url"""
#######################################################################
#######################################################################
#
# SECTION: Debug
#
# PURPOSE: little functions to make yourself known
#
#######################################################################
#######################################################################
def plain(*args):
bb.msg.warn(''.join(args))
def debug(lvl, *args):
bb.msg.debug(lvl, None, ''.join(args))
def note(*args):
bb.msg.note(1, None, ''.join(args))
def warn(*args):
bb.msg.warn(1, None, ''.join(args))
def error(*args):
bb.msg.error(None, ''.join(args))
def fatal(*args):
bb.msg.fatal(None, ''.join(args))
#######################################################################
#######################################################################
#
# SECTION: File
#
# PURPOSE: Basic file and directory tree related functions
#
#######################################################################
#######################################################################
def mkdirhier(dir):
"""Create a directory like 'mkdir -p', but does not complain if
directory already exists like os.makedirs
"""
debug(3, "mkdirhier(%s)" % dir)
try:
os.makedirs(dir)
debug(2, "created " + dir)
except OSError, e:
if e.errno != 17: raise e
#######################################################################
import stat
def movefile(src,dest,newmtime=None,sstat=None):
"""Moves a file from src to dest, preserving all permissions and
attributes; mtime will be preserved even when moving across
filesystems. Returns true on success and false on failure. Move is
atomic.
"""
#print "movefile("+src+","+dest+","+str(newmtime)+","+str(sstat)+")"
try:
if not sstat:
sstat=os.lstat(src)
except Exception, e:
print "movefile: Stating source file failed...", e
return None
destexists=1
try:
dstat=os.lstat(dest)
except:
dstat=os.lstat(os.path.dirname(dest))
destexists=0
if destexists:
if stat.S_ISLNK(dstat[stat.ST_MODE]):
try:
os.unlink(dest)
destexists=0
except Exception, e:
pass
if stat.S_ISLNK(sstat[stat.ST_MODE]):
try:
target=os.readlink(src)
if destexists and not stat.S_ISDIR(dstat[stat.ST_MODE]):
os.unlink(dest)
os.symlink(target,dest)
#os.lchown(dest,sstat[stat.ST_UID],sstat[stat.ST_GID])
os.unlink(src)
return os.lstat(dest)
except Exception, e:
print "movefile: failed to properly create symlink:", dest, "->", target, e
return None
renamefailed=1
if sstat[stat.ST_DEV]==dstat[stat.ST_DEV]:
try:
ret=os.rename(src,dest)
renamefailed=0
except Exception, e:
import errno
if e[0]!=errno.EXDEV:
# Some random error.
print "movefile: Failed to move", src, "to", dest, e
return None
# Invalid cross-device-link 'bind' mounted or actually Cross-Device
if renamefailed:
didcopy=0
if stat.S_ISREG(sstat[stat.ST_MODE]):
try: # For safety copy then move it over.
shutil.copyfile(src,dest+"#new")
os.rename(dest+"#new",dest)
didcopy=1
except Exception, e:
print 'movefile: copy', src, '->', dest, 'failed.', e
return None
else:
#we don't yet handle special, so we need to fall back to /bin/mv
a=getstatusoutput("/bin/mv -f "+"'"+src+"' '"+dest+"'")
if a[0]!=0:
print "movefile: Failed to move special file:" + src + "' to '" + dest + "'", a
return None # failure
try:
if didcopy:
missingos.lchown(dest,sstat[stat.ST_UID],sstat[stat.ST_GID])
os.chmod(dest, stat.S_IMODE(sstat[stat.ST_MODE])) # Sticky is reset on chown
os.unlink(src)
except Exception, e:
print "movefile: Failed to chown/chmod/unlink", dest, e
return None
if newmtime:
os.utime(dest,(newmtime,newmtime))
else:
os.utime(dest, (sstat[stat.ST_ATIME], sstat[stat.ST_MTIME]))
newmtime=sstat[stat.ST_MTIME]
return newmtime
def copyfile(src,dest,newmtime=None,sstat=None):
"""
Copies a file from src to dest, preserving all permissions and
attributes; mtime will be preserved even when moving across
filesystems. Returns true on success and false on failure.
"""
import os, stat, shutil
#print "copyfile("+src+","+dest+","+str(newmtime)+","+str(sstat)+")"
try:
if not sstat:
sstat=os.lstat(src)
except Exception, e:
print "copyfile: Stating source file failed...", e
return False
destexists=1
try:
dstat=os.lstat(dest)
except:
dstat=os.lstat(os.path.dirname(dest))
destexists=0
if destexists:
if stat.S_ISLNK(dstat[stat.ST_MODE]):
try:
os.unlink(dest)
destexists=0
except Exception, e:
pass
if stat.S_ISLNK(sstat[stat.ST_MODE]):
try:
target=os.readlink(src)
if destexists and not stat.S_ISDIR(dstat[stat.ST_MODE]):
os.unlink(dest)
os.symlink(target,dest)
#os.lchown(dest,sstat[stat.ST_UID],sstat[stat.ST_GID])
return os.lstat(dest)
except Exception, e:
print "copyfile: failed to properly create symlink:", dest, "->", target, e
return False
if stat.S_ISREG(sstat[stat.ST_MODE]):
try: # For safety copy then move it over.
shutil.copyfile(src,dest+"#new")
os.rename(dest+"#new",dest)
except Exception, e:
print 'copyfile: copy', src, '->', dest, 'failed.', e
return False
else:
#we don't yet handle special, so we need to fall back to /bin/mv
a=getstatusoutput("/bin/cp -f "+"'"+src+"' '"+dest+"'")
if a[0]!=0:
print "copyfile: Failed to copy special file:" + src + "' to '" + dest + "'", a
return False # failure
try:
os.lchown(dest,sstat[stat.ST_UID],sstat[stat.ST_GID])
os.chmod(dest, stat.S_IMODE(sstat[stat.ST_MODE])) # Sticky is reset on chown
except Exception, e:
print "copyfile: Failed to chown/chmod/unlink", dest, e
return False
if newmtime:
os.utime(dest,(newmtime,newmtime))
else:
os.utime(dest, (sstat[stat.ST_ATIME], sstat[stat.ST_MTIME]))
newmtime=sstat[stat.ST_MTIME]
return newmtime
#######################################################################
#######################################################################
#
# SECTION: Download
#
# PURPOSE: Download via HTTP, FTP, CVS, BITKEEPER, handling of MD5-signatures
# and mirrors
#
#######################################################################
#######################################################################
def decodeurl(url):
"""Decodes an URL into the tokens (scheme, network location, path,
user, password, parameters).
>>> decodeurl("http://www.google.com/index.html")
('http', 'www.google.com', '/index.html', '', '', {})
CVS url with username, host and cvsroot. The cvs module to check out is in the
parameters:
>>> decodeurl("cvs://anoncvs@cvs.handhelds.org/cvs;module=familiar/dist/ipkg")
('cvs', 'cvs.handhelds.org', '/cvs', 'anoncvs', '', {'module': 'familiar/dist/ipkg'})
Dito, but this time the username has a password part. And we also request a special tag
to check out.
>>> decodeurl("cvs://anoncvs:anonymous@cvs.handhelds.org/cvs;module=familiar/dist/ipkg;tag=V0-99-81")
('cvs', 'cvs.handhelds.org', '/cvs', 'anoncvs', 'anonymous', {'tag': 'V0-99-81', 'module': 'familiar/dist/ipkg'})
"""
m = re.compile('(?P<type>[^:]*)://((?P<user>.+)@)?(?P<location>[^;]+)(;(?P<parm>.*))?').match(url)
if not m:
raise MalformedUrl(url)
type = m.group('type')
location = m.group('location')
if not location:
raise MalformedUrl(url)
user = m.group('user')
parm = m.group('parm')
locidx = location.find('/')
if locidx != -1:
host = location[:locidx]
path = location[locidx:]
else:
host = ""
path = location
if user:
m = re.compile('(?P<user>[^:]+)(:?(?P<pswd>.*))').match(user)
if m:
user = m.group('user')
pswd = m.group('pswd')
else:
user = ''
pswd = ''
p = {}
if parm:
for s in parm.split(';'):
s1,s2 = s.split('=')
p[s1] = s2
return (type, host, path, user, pswd, p)
#######################################################################
def encodeurl(decoded):
"""Encodes a URL from tokens (scheme, network location, path,
user, password, parameters).
>>> encodeurl(['http', 'www.google.com', '/index.html', '', '', {}])
'http://www.google.com/index.html'
CVS with username, host and cvsroot. The cvs module to check out is in the
parameters:
>>> encodeurl(['cvs', 'cvs.handhelds.org', '/cvs', 'anoncvs', '', {'module': 'familiar/dist/ipkg'}])
'cvs://anoncvs@cvs.handhelds.org/cvs;module=familiar/dist/ipkg'
Dito, but this time the username has a password part. And we also request a special tag
to check out.
>>> encodeurl(['cvs', 'cvs.handhelds.org', '/cvs', 'anoncvs', 'anonymous', {'tag': 'V0-99-81', 'module': 'familiar/dist/ipkg'}])
'cvs://anoncvs:anonymous@cvs.handhelds.org/cvs;tag=V0-99-81;module=familiar/dist/ipkg'
"""
(type, host, path, user, pswd, p) = decoded
if not type or not path:
fatal("invalid or missing parameters for url encoding")
url = '%s://' % type
if user:
url += "%s" % user
if pswd:
url += ":%s" % pswd
url += "@"
if host:
url += "%s" % host
url += "%s" % path
if p:
for parm in p.keys():
url += ";%s=%s" % (parm, p[parm])
return url
#######################################################################
def which(path, item, direction = 0):
"""
Locate a file in a PATH
"""
paths = (path or "").split(':')
if direction != 0:
paths.reverse()
for p in (path or "").split(':'):
next = os.path.join(p, item)
if os.path.exists(next):
return next
return ""
#######################################################################
#######################################################################
#######################################################################
#
# SECTION: Dependency
#
# PURPOSE: Compare build & run dependencies
#
#######################################################################
#######################################################################
def tokenize(mystring):
"""Breaks a string like 'foo? (bar) oni? (blah (blah))' into (possibly embedded) lists:
>>> tokenize("x")
['x']
>>> tokenize("x y")
['x', 'y']
>>> tokenize("(x y)")
[['x', 'y']]
>>> tokenize("(x y) b c")
[['x', 'y'], 'b', 'c']
>>> tokenize("foo? (bar) oni? (blah (blah))")
['foo?', ['bar'], 'oni?', ['blah', ['blah']]]
>>> tokenize("sys-apps/linux-headers nls? (sys-devel/gettext)")
['sys-apps/linux-headers', 'nls?', ['sys-devel/gettext']]
"""
newtokens = []
curlist = newtokens
prevlists = []
level = 0
accum = ""
for x in mystring:
if x=="(":
if accum:
curlist.append(accum)
accum=""
prevlists.append(curlist)
curlist=[]
level=level+1
elif x==")":
if accum:
curlist.append(accum)
accum=""
if level==0:
print "!!! tokenizer: Unmatched left parenthesis in:\n'"+mystring+"'"
return None
newlist=curlist
curlist=prevlists.pop()
curlist.append(newlist)
level=level-1
elif x in whitespace:
if accum:
curlist.append(accum)
accum=""
else:
accum=accum+x
if accum:
curlist.append(accum)
if (level!=0):
print "!!! tokenizer: Exiting with unterminated parenthesis in:\n'"+mystring+"'"
return None
return newtokens
#######################################################################
def evaluate(tokens,mydefines,allon=0):
"""Removes tokens based on whether conditional definitions exist or not.
Recognizes !
>>> evaluate(['sys-apps/linux-headers', 'nls?', ['sys-devel/gettext']], {})
['sys-apps/linux-headers']
Negate the flag:
>>> evaluate(['sys-apps/linux-headers', '!nls?', ['sys-devel/gettext']], {})
['sys-apps/linux-headers', ['sys-devel/gettext']]
Define 'nls':
>>> evaluate(['sys-apps/linux-headers', 'nls?', ['sys-devel/gettext']], {"nls":1})
['sys-apps/linux-headers', ['sys-devel/gettext']]
Turn allon on:
>>> evaluate(['sys-apps/linux-headers', 'nls?', ['sys-devel/gettext']], {}, True)
['sys-apps/linux-headers', ['sys-devel/gettext']]
"""
if tokens == None:
return None
mytokens = tokens + [] # this copies the list
pos = 0
while pos < len(mytokens):
if type(mytokens[pos]) == types.ListType:
evaluate(mytokens[pos], mydefines)
if not len(mytokens[pos]):
del mytokens[pos]
continue
elif mytokens[pos][-1] == "?":
cur = mytokens[pos][:-1]
del mytokens[pos]
if allon:
if cur[0] == "!":
del mytokens[pos]
else:
if cur[0] == "!":
if (cur[1:] in mydefines) and (pos < len(mytokens)):
del mytokens[pos]
continue
elif (cur not in mydefines) and (pos < len(mytokens)):
del mytokens[pos]
continue
pos = pos + 1
return mytokens
#######################################################################
def flatten(mytokens):
"""Converts nested arrays into a flat arrays:
>>> flatten([1,[2,3]])
[1, 2, 3]
>>> flatten(['sys-apps/linux-headers', ['sys-devel/gettext']])
['sys-apps/linux-headers', 'sys-devel/gettext']
"""
newlist=[]
for x in mytokens:
if type(x)==types.ListType:
newlist.extend(flatten(x))
else:
newlist.append(x)
return newlist
#######################################################################
_package_weights_ = {"pre":-2,"p":0,"alpha":-4,"beta":-3,"rc":-1} # dicts are unordered
_package_ends_ = ["pre", "p", "alpha", "beta", "rc", "cvs", "bk", "HEAD" ] # so we need ordered list
def relparse(myver):
"""Parses the last elements of a version number into a triplet, that can
later be compared:
>>> relparse('1.2_pre3')
[1.2, -2, 3.0]
>>> relparse('1.2b')
[1.2, 98, 0]
>>> relparse('1.2')
[1.2, 0, 0]
"""
number = 0
p1 = 0
p2 = 0
mynewver = myver.split('_')
if len(mynewver)==2:
# an _package_weights_
number = float(mynewver[0])
match = 0
for x in _package_ends_:
elen = len(x)
if mynewver[1][:elen] == x:
match = 1
p1 = _package_weights_[x]
try:
p2 = float(mynewver[1][elen:])
except:
p2 = 0
break
if not match:
# normal number or number with letter at end
divider = len(myver)-1
if myver[divider:] not in "1234567890":
# letter at end
p1 = ord(myver[divider:])
number = float(myver[0:divider])
else:
number = float(myver)
else:
# normal number or number with letter at end
divider = len(myver)-1
if myver[divider:] not in "1234567890":
#letter at end
p1 = ord(myver[divider:])
number = float(myver[0:divider])
else:
number = float(myver)
return [number,p1,p2]
#######################################################################
__ververify_cache__ = {}
def ververify(myorigval,silent=1):
"""Returns 1 if given a valid version string, els 0. Valid versions are in the format
<v1>.<v2>...<vx>[a-z,_{_package_weights_}[vy]]
>>> ververify('2.4.20')
1
>>> ververify('2.4..20') # two dots
0
>>> ververify('2.x.20') # 'x' is not numeric
0
>>> ververify('2.4.20a')
1
>>> ververify('2.4.20cvs') # only one trailing letter
0
>>> ververify('1a')
1
>>> ververify('test_a') # no version at all
0
>>> ververify('2.4.20_beta1')
1
>>> ververify('2.4.20_beta')
1
>>> ververify('2.4.20_wrongext') # _wrongext is no valid trailer
0
"""
# Lookup the cache first
try:
return __ververify_cache__[myorigval]
except KeyError:
pass
if len(myorigval) == 0:
if not silent:
error("package version is empty")
__ververify_cache__[myorigval] = 0
return 0
myval = myorigval.split('.')
if len(myval)==0:
if not silent:
error("package name has empty version string")
__ververify_cache__[myorigval] = 0
return 0
# all but the last version must be a numeric
for x in myval[:-1]:
if not len(x):
if not silent:
error("package version has two points in a row")
__ververify_cache__[myorigval] = 0
return 0
try:
foo = int(x)
except:
if not silent:
error("package version contains non-numeric '"+x+"'")
__ververify_cache__[myorigval] = 0
return 0
if not len(myval[-1]):
if not silent:
error("package version has trailing dot")
__ververify_cache__[myorigval] = 0
return 0
try:
foo = int(myval[-1])
__ververify_cache__[myorigval] = 1
return 1
except:
pass
# ok, our last component is not a plain number or blank, let's continue
if myval[-1][-1] in lowercase:
try:
foo = int(myval[-1][:-1])
return 1
__ververify_cache__[myorigval] = 1
# 1a, 2.0b, etc.
except:
pass
# ok, maybe we have a 1_alpha or 1_beta2; let's see
ep=string.split(myval[-1],"_")
if len(ep)!= 2:
if not silent:
error("package version has more than one letter at then end")
__ververify_cache__[myorigval] = 0
return 0
try:
foo = string.atoi(ep[0])
except:
# this needs to be numeric, i.e. the "1" in "1_alpha"
if not silent:
error("package version must have numeric part before the '_'")
__ververify_cache__[myorigval] = 0
return 0
for mye in _package_ends_:
if ep[1][0:len(mye)] == mye:
if len(mye) == len(ep[1]):
# no trailing numeric is ok
__ververify_cache__[myorigval] = 1
return 1
else:
try:
foo = string.atoi(ep[1][len(mye):])
__ververify_cache__[myorigval] = 1
return 1
except:
# if no _package_weights_ work, *then* we return 0
pass
if not silent:
error("package version extension after '_' is invalid")
__ververify_cache__[myorigval] = 0
return 0
def isjustname(mypkg):
myparts = string.split(mypkg,'-')
for x in myparts:
if ververify(x):
return 0
return 1
_isspecific_cache_={}
def isspecific(mypkg):
"now supports packages with no category"
try:
return __isspecific_cache__[mypkg]
except:
pass
mysplit = string.split(mypkg,"/")
if not isjustname(mysplit[-1]):
__isspecific_cache__[mypkg] = 1
return 1
__isspecific_cache__[mypkg] = 0
return 0
#######################################################################
__pkgsplit_cache__={}
def pkgsplit(mypkg, silent=1):
"""This function can be used as a package verification function. If
it is a valid name, pkgsplit will return a list containing:
[pkgname, pkgversion(norev), pkgrev ].
>>> pkgsplit('')
>>> pkgsplit('x')
>>> pkgsplit('x-')
>>> pkgsplit('-1')
>>> pkgsplit('glibc-1.2-8.9-r7')
>>> pkgsplit('glibc-2.2.5-r7')
['glibc', '2.2.5', 'r7']
>>> pkgsplit('foo-1.2-1')
>>> pkgsplit('Mesa-3.0')
['Mesa', '3.0', 'r0']
"""
try:
return __pkgsplit_cache__[mypkg]
except KeyError:
pass
myparts = string.split(mypkg,'-')
if len(myparts) < 2:
if not silent:
error("package name without name or version part")
__pkgsplit_cache__[mypkg] = None
return None
for x in myparts:
if len(x) == 0:
if not silent:
error("package name with empty name or version part")
__pkgsplit_cache__[mypkg] = None
return None
# verify rev
revok = 0
myrev = myparts[-1]
ververify(myrev, silent)
if len(myrev) and myrev[0] == "r":
try:
string.atoi(myrev[1:])
revok = 1
except:
pass
if revok:
if ververify(myparts[-2]):
if len(myparts) == 2:
__pkgsplit_cache__[mypkg] = None
return None
else:
for x in myparts[:-2]:
if ververify(x):
__pkgsplit_cache__[mypkg]=None
return None
# names can't have versiony looking parts
myval=[string.join(myparts[:-2],"-"),myparts[-2],myparts[-1]]
__pkgsplit_cache__[mypkg]=myval
return myval
else:
__pkgsplit_cache__[mypkg] = None
return None
elif ververify(myparts[-1],silent):
if len(myparts)==1:
if not silent:
print "!!! Name error in",mypkg+": missing name part."
__pkgsplit_cache__[mypkg]=None
return None
else:
for x in myparts[:-1]:
if ververify(x):
if not silent: error("package name has multiple version parts")
__pkgsplit_cache__[mypkg] = None
return None
myval = [string.join(myparts[:-1],"-"), myparts[-1],"r0"]
__pkgsplit_cache__[mypkg] = myval
return myval
else:
__pkgsplit_cache__[mypkg] = None
return None
#######################################################################
__catpkgsplit_cache__ = {}
def catpkgsplit(mydata,silent=1):
"""returns [cat, pkgname, version, rev ]
>>> catpkgsplit('sys-libs/glibc-1.2-r7')
['sys-libs', 'glibc', '1.2', 'r7']
>>> catpkgsplit('glibc-1.2-r7')
[None, 'glibc', '1.2', 'r7']
"""
try:
return __catpkgsplit_cache__[mydata]
except KeyError:
pass
cat = os.path.basename(os.path.dirname(mydata))
mydata = os.path.join(cat, os.path.basename(mydata))
if mydata[-3:] == '.bb':
mydata = mydata[:-3]
mysplit = mydata.split("/")
p_split = None
splitlen = len(mysplit)
if splitlen == 1:
retval = [None]
p_split = pkgsplit(mydata,silent)
else:
retval = [mysplit[splitlen - 2]]
p_split = pkgsplit(mysplit[splitlen - 1],silent)
if not p_split:
__catpkgsplit_cache__[mydata] = None
return None
retval.extend(p_split)
__catpkgsplit_cache__[mydata] = retval
return retval
#######################################################################
__vercmp_cache__ = {}
def vercmp(val1,val2):
"""This takes two version strings and returns an integer to tell you whether
the versions are the same, val1>val2 or val2>val1.
>>> vercmp('1', '2')
-1.0
>>> vercmp('2', '1')
1.0
>>> vercmp('1', '1.0')
0
>>> vercmp('1', '1.1')
-1.0
>>> vercmp('1.1', '1_p2')
1.0
"""
# quick short-circuit
if val1 == val2:
return 0
valkey = val1+" "+val2
# cache lookup
try:
return __vercmp_cache__[valkey]
try:
return - __vercmp_cache__[val2+" "+val1]
except KeyError:
pass
except KeyError:
pass
# consider 1_p2 vc 1.1
# after expansion will become (1_p2,0) vc (1,1)
# then 1_p2 is compared with 1 before 0 is compared with 1
# to solve the bug we need to convert it to (1,0_p2)
# by splitting _prepart part and adding it back _after_expansion
val1_prepart = val2_prepart = ''
if val1.count('_'):
val1, val1_prepart = val1.split('_', 1)
if val2.count('_'):
val2, val2_prepart = val2.split('_', 1)
# replace '-' by '.'
# FIXME: Is it needed? can val1/2 contain '-'?
val1 = string.split(val1,'-')
if len(val1) == 2:
val1[0] = val1[0] +"."+ val1[1]
val2 = string.split(val2,'-')
if len(val2) == 2:
val2[0] = val2[0] +"."+ val2[1]
val1 = string.split(val1[0],'.')
val2 = string.split(val2[0],'.')
# add back decimal point so that .03 does not become "3" !
for x in range(1,len(val1)):
if val1[x][0] == '0' :
val1[x] = '.' + val1[x]
for x in range(1,len(val2)):
if val2[x][0] == '0' :
val2[x] = '.' + val2[x]
# extend varion numbers
if len(val2) < len(val1):
val2.extend(["0"]*(len(val1)-len(val2)))
elif len(val1) < len(val2):
val1.extend(["0"]*(len(val2)-len(val1)))
# add back _prepart tails
if val1_prepart:
val1[-1] += '_' + val1_prepart
if val2_prepart:
val2[-1] += '_' + val2_prepart
# The above code will extend version numbers out so they
# have the same number of digits.
for x in range(0,len(val1)):
cmp1 = relparse(val1[x])
cmp2 = relparse(val2[x])
for y in range(0,3):
myret = cmp1[y] - cmp2[y]
if myret != 0:
__vercmp_cache__[valkey] = myret
return myret
__vercmp_cache__[valkey] = 0
return 0
#######################################################################
def pkgcmp(pkg1,pkg2):
""" Compares two packages, which should have been split via
pkgsplit(). if the return value val is less than zero, then pkg2 is
newer than pkg1, zero if equal and positive if older.
>>> pkgcmp(['glibc', '2.2.5', 'r7'], ['glibc', '2.2.5', 'r7'])
0
>>> pkgcmp(['glibc', '2.2.5', 'r4'], ['glibc', '2.2.5', 'r7'])
-1
>>> pkgcmp(['glibc', '2.2.5', 'r7'], ['glibc', '2.2.5', 'r2'])
1
"""
mycmp = vercmp(pkg1[1],pkg2[1])
if mycmp > 0:
return 1
if mycmp < 0:
return -1
r1=string.atoi(pkg1[2][1:])
r2=string.atoi(pkg2[2][1:])
if r1 > r2:
return 1
if r2 > r1:
return -1
return 0
#######################################################################
def dep_parenreduce(mysplit, mypos=0):
"""Accepts a list of strings, and converts '(' and ')' surrounded items to sub-lists:
>>> dep_parenreduce([''])
['']
>>> dep_parenreduce(['1', '2', '3'])
['1', '2', '3']
>>> dep_parenreduce(['1', '(', '2', '3', ')', '4'])
['1', ['2', '3'], '4']
"""
while mypos < len(mysplit):
if mysplit[mypos] == "(":
firstpos = mypos
mypos = mypos + 1
while mypos < len(mysplit):
if mysplit[mypos] == ")":
mysplit[firstpos:mypos+1] = [mysplit[firstpos+1:mypos]]
mypos = firstpos
break
elif mysplit[mypos] == "(":
# recurse
mysplit = dep_parenreduce(mysplit,mypos)
mypos = mypos + 1
mypos = mypos + 1
return mysplit
def dep_opconvert(mysplit, myuse):
"Does dependency operator conversion"
mypos = 0
newsplit = []
while mypos < len(mysplit):
if type(mysplit[mypos]) == types.ListType:
newsplit.append(dep_opconvert(mysplit[mypos],myuse))
mypos += 1
elif mysplit[mypos] == ")":
# mismatched paren, error
return None
elif mysplit[mypos]=="||":
if ((mypos+1)>=len(mysplit)) or (type(mysplit[mypos+1])!=types.ListType):
# || must be followed by paren'd list
return None
try:
mynew = dep_opconvert(mysplit[mypos+1],myuse)
except Exception, e:
error("unable to satisfy OR dependancy: " + string.join(mysplit," || "))
raise e
mynew[0:0] = ["||"]
newsplit.append(mynew)
mypos += 2
elif mysplit[mypos][-1] == "?":
# use clause, i.e "gnome? ( foo bar )"
# this is a quick and dirty hack so that repoman can enable all USE vars:
if (len(myuse) == 1) and (myuse[0] == "*"):
# enable it even if it's ! (for repoman) but kill it if it's
# an arch variable that isn't for this arch. XXX Sparc64?
if (mysplit[mypos][:-1] not in settings.usemask) or \
(mysplit[mypos][:-1]==settings["ARCH"]):
enabled=1
else:
enabled=0
else:
if mysplit[mypos][0] == "!":
myusevar = mysplit[mypos][1:-1]
enabled = not myusevar in myuse
#if myusevar in myuse:
# enabled = 0
#else:
# enabled = 1
else:
myusevar=mysplit[mypos][:-1]
enabled = myusevar in myuse
#if myusevar in myuse:
# enabled=1
#else:
# enabled=0
if (mypos +2 < len(mysplit)) and (mysplit[mypos+2] == ":"):
# colon mode
if enabled:
# choose the first option
if type(mysplit[mypos+1]) == types.ListType:
newsplit.append(dep_opconvert(mysplit[mypos+1],myuse))
else:
newsplit.append(mysplit[mypos+1])
else:
# choose the alternate option
if type(mysplit[mypos+1]) == types.ListType:
newsplit.append(dep_opconvert(mysplit[mypos+3],myuse))
else:
newsplit.append(mysplit[mypos+3])
mypos += 4
else:
# normal use mode
if enabled:
if type(mysplit[mypos+1]) == types.ListType:
newsplit.append(dep_opconvert(mysplit[mypos+1],myuse))
else:
newsplit.append(mysplit[mypos+1])
# otherwise, continue
mypos += 2
else:
# normal item
newsplit.append(mysplit[mypos])
mypos += 1
return newsplit
if __name__ == "__main__":
import doctest, bb
bb.msg.set_debug_level(0)
doctest.testmod(bb)