"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()
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
-
-#######################################################################
-
-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
-
# For compatibility
from bb.fetch import MalformedUrl, encodeurl, decodeurl
from bb.data import VarExpandError
+from bb.utils import mkdirhier, movefile, copyfile, which
+from bb.utils import tokenize, evaluate, flatten
+from bb.utils import vercmp, pkgcmp, relparse, ververify
+from bb.utils import pkgsplit, catpkgsplit, isjustname, isspecific
+from bb.utils import dep_parenreduce, dep_opconvert
if __name__ == "__main__":
import doctest, bb
if var.endswith(suffix):
return var.replace(suffix, "")
return var
+
+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
+
+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 ""
+
+whitespace = '\t\n\x0b\x0c\r '
+lowercase = 'abcdefghijklmnopqrstuvwxyz'
+
+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
+
+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
+
