def findUseFlagCombis (package, config, port):
"""
Generate combinations of use flags to test
The output will be a list each containing a ready to use USE=... string
"""
uselist = sorted(reduce_flags(get_flags(dep_getcpv(package.packageString()))))
# The uselist could have duplicates due to slot-conditional
# output of equery
uselist=unique(uselist)
for i in config['ignoreprefix']:
uselist=[u for u in uselist if not re.match(i,u)]
ruse = " ".join(port.aux_get(dep_getcpv(package.packageString()), ["REQUIRED_USE"]))
swlist = []
if config['usecombis'] == 0:
# Do only all and nothing:
if check_uses(ruse, uselist, 0, package):
swlist.append(0)
if check_uses(ruse, uselist, 2**len(uselist) - 1):
swlist.append(2**len(uselist) - 1)
# Test if we can exhaust all USE-combis by computing the binary logarithm.
elif len(uselist) > math.log(config['usecombis'],2):
# Generate a sample of USE combis
s = 2**(len (uselist))
rnds = set()
random.seed()
while len(swlist) < config['usecombis'] and len(rnds) < s:
r = random.randint(0, s-1)
if r in rnds:
# already checked
continue
rnds.add(r)
if not check_uses(ruse, uselist, r, package):
# invalid combination
continue
swlist.append(r)
swlist.sort()
else:
# Yes we can: generate all combinations
for pos in range(2**len(uselist)):
if check_uses(ruse, uselist, pos, package):
swlist.append(pos)
usecombis=[]
for sw in swlist:
mod = []
for pos in range(len(uselist)):
if ((2**pos) & sw):
mod.append("")
else:
mod.append("-")
usecombis.append(" ".join(["".join(uf) for uf in list(zip(mod, uselist))]))
# Merge everything to a USE="" string
return ["USE=\'" + uc + "\'" for uc in usecombis]
def get_output_descriptions(pkg, global_usedesc):
"""Prepare descriptions and usage information for each USE flag."""
if pkg.metadata is None:
local_usedesc = []
else:
local_usedesc = pkg.metadata.use()
iuse, final_use = get_flags(pkg.cpv, final_setting=True)
usevar = reduce_flags(iuse)
usevar.sort()
if QUERY_OPTS['ignore_l10n']:
for a in usevar[:]:
#TODO: Remove linguas after transition to l10n is complete
if a.startswith("l10n_") or a.startswith("linguas_"):
usevar.remove(a)
if pkg.is_installed():
used_flags = pkg.use().split()
else:
used_flags = settings["USE"].split()
# store (inuse, inused, flag, desc, restrict)
output = []
for flag in usevar:
inuse = False
inused = False
local_use = None
for use in local_usedesc:
if use.name == flag:
local_use = use
break
try:
desc = local_use.description
except AttributeError:
try:
desc = global_usedesc[flag]
except KeyError:
desc = ""
try:
restrict = local_use.restrict
restrict = restrict if restrict is not None else ""
except AttributeError:
restrict = ""
if flag in final_use:
inuse = True
if flag in used_flags:
inused = True
output.append((inuse, inused, flag, desc, restrict))
return output
def get_output_descriptions(pkg, global_usedesc):
"""Prepare descriptions and usage information for each USE flag."""
if pkg.metadata is None:
local_usedesc = []
else:
local_usedesc = pkg.metadata.use()
iuse, final_use = get_flags(pkg.cpv, final_setting=True)
usevar = reduce_flags(iuse)
usevar.sort()
if QUERY_OPTS['ignore_linguas']:
for a in usevar[:]:
if a.startswith("linguas_"):
usevar.remove(a)
if pkg.is_installed():
used_flags = pkg.use().split()
else:
used_flags = settings["USE"].split()
# store (inuse, inused, flag, desc, restrict)
output = []
for flag in usevar:
inuse = False
inused = False
local_use = None
for use in local_usedesc:
if use.name == flag:
local_use = use
break
try:
desc = local_use.description
except AttributeError:
try:
desc = global_usedesc[flag]
except KeyError:
desc = ""
try:
restrict = local_use.restrict
restrict = restrict if restrict is not None else ""
except AttributeError:
restrict = ""
if flag in final_use:
inuse = True
if flag in used_flags:
inused = True
output.append((inuse, inused, flag, desc, restrict))
return output
def get_output_descriptions(pkg, global_usedesc): """Prepare descriptions and usage information for each USE flag.""" if pkg.metadata is None: local_usedesc = [] else: local_usedesc = pkg.metadata.use() iuse, final_use = get_flags(pkg.cpv, final_setting=True) usevar = reduce_flags(iuse) usevar.sort() if pkg.is_installed(): used_flags = pkg.use().split() else: used_flags = settings["USE"].split() # store (inuse, inused, flag, desc, restrict) output = [] for flag in usevar: inuse = False inused = False local_use = None for use in local_usedesc: if use.name == flag: local_use = use break try: desc = local_use.description except AttributeError: try: desc = global_usedesc[flag] except KeyError: desc = "" try: restrict = local_use.restrict restrict = restrict if restrict is not None else "" except AttributeError: restrict = "" if flag in final_use: inuse = True if flag in used_flags: inused = True output.append((inuse, inused, flag, desc, restrict)) return output
def analyse_cpv(self, cpv):
"""Gets all relavent USE flag info for a cpv and breaks them down
into 3 sets, plus (package.use enabled), minus ( package.use disabled),
unset.
@param cpv: string. 'cat/pkg-ver'
@rtype tuple of sets
@return (plus, minus, unset) sets of USE flags
"""
installed = set(self.get_used(cpv, self.target))
_iuse = self.get_flags(cpv)
iuse = set(reduce_flags(_iuse))
iuse_defaults = defaulted_flags(_iuse)
return self._analyse(installed, iuse, iuse_defaults)
def analyse_cpv(self, cpv): """Gets all relavent USE flag info for a cpv and breaks them down into 3 sets, plus (package.use enabled), minus ( package.use disabled), unset. @param cpv: string. 'cat/pkg-ver' @rtype tuple of sets @return (plus, minus, unset) sets of USE flags """ installed = set(self.get_used(cpv, self.target)) _iuse = self.get_flags(cpv) iuse = set(reduce_flags(_iuse)) iuse_defaults = defaulted_flags(_iuse) return self._analyse(installed, iuse, iuse_defaults)
def analyse_pkg(self, pkg):
"""Gets all relevent USE flag info for a pkg and breaks them down
into 3 sets, plus (package.use enabled), minus ( package.use disabled),
unset.
@param pkg: gentoolkit.package.Package object
@rtype tuple of sets
@return (plus, minus, unset) sets of USE flags
"""
installed = set(self.pkg_used(pkg))
#print("installed =", installed)
_iuse = self.pkg_flags(pkg)
iuse = set(reduce_flags(_iuse))
iuse_defaults = defaulted_flags(_iuse)
#print("iuse =", iuse)
return self._analyse(installed, iuse, iuse_defaults)
def analyse_pkg(self, pkg):
"""Gets all relevent USE flag info for a pkg and breaks them down
into 3 sets, plus (package.use enabled), minus ( package.use disabled),
unset.
@param pkg: gentoolkit.package.Package object
@rtype tuple of sets
@return (plus, minus, unset) sets of USE flags
"""
installed = set(self.pkg_used(pkg))
#print("installed =", installed)
_iuse = self.pkg_flags(pkg)
iuse = set(reduce_flags(_iuse))
iuse_defaults = defaulted_flags(_iuse)
#print("iuse =", iuse)
return self._analyse(installed, iuse, iuse_defaults)
def findUseFlagCombis(package, config, port):
"""
Generate combinations of use flags to test
The output will be a list each containing a ready to use USE=... string
"""
uselist = sorted(
reduce_flags(get_flags(dep_getcpv(package.packageString()))))
# The uselist could have duplicates due to slot-conditional
# output of equery
uselist = unique(uselist)
for i in config['ignoreprefix']:
uselist = [u for u in uselist if not re.match(i, u)]
ruse = " ".join(
port.aux_get(dep_getcpv(package.packageString()), ["REQUIRED_USE"]))
swlist = []
if config['usecombis'] == 0:
# Do only all and nothing:
if check_uses(ruse, uselist, 0, package):
swlist.append(0)
if check_uses(ruse, uselist, 2**len(uselist) - 1):
swlist.append(2**len(uselist) - 1)
# Test if we can exhaust all USE-combis by computing the binary logarithm.
elif len(uselist) > math.log(config['usecombis'], 2):
# Generate a sample of USE combis
s = 2**(len(uselist))
rnds = set()
random.seed()
while len(swlist) < config['usecombis'] and len(rnds) < s:
r = random.randint(0, s - 1)
if r in rnds:
# already checked
continue
rnds.add(r)
if not check_uses(ruse, uselist, r, package):
# invalid combination
continue
swlist.append(r)
swlist.sort()
else:
# Yes we can: generate all combinations
for pos in range(2**len(uselist)):
if check_uses(ruse, uselist, pos, package):
swlist.append(pos)
usecombis = []
for sw in swlist:
mod = []
for pos in range(len(uselist)):
if ((2**pos) & sw):
mod.append("")
else:
mod.append("-")
usecombis.append(" ".join(
["".join(uf) for uf in list(zip(mod, uselist))]))
# Merge everything to a USE="" string
return ["USE=\'" + uc + "\'" for uc in usecombis]
def findUseFlagCombis(package, config, port):
"""
Generate combinations of use flags to test
The output will be a list each containing a ready to use USE=... string
"""
uselist = sorted(
reduce_flags(get_flags(dep_getcpv(package.packageString()))))
# The uselist could have duplicates due to slot-conditional
# output of equery
uselist = unique(uselist)
for i in config['ignoreprefix']:
uselist = [u for u in uselist if not re.match(i, u)]
ruse = " ".join(
port.aux_get(dep_getcpv(package.packageString()), ["REQUIRED_USE"]))
swlist = []
if config['usecombis'] == 0:
# Do only all and nothing:
if check_uses(ruse, uselist, 0, package):
swlist.append(0)
if check_uses(ruse, uselist, 2**len(uselist) - 1):
swlist.append(2**len(uselist) - 1)
# Test if we can exhaust all USE-combis by computing the binary logarithm.
elif len(uselist) > math.log(config['usecombis'], 2):
# Generate a sample of USE combis
s = 2**(len(uselist))
rnds = set()
random.seed()
attempts = 0
ignore_use_expand = False
while len(swlist) < config['usecombis'] and len(rnds) < s:
if attempts >= 10000:
if not ignore_use_expand:
# After 10000 attempts, let's give up on USE_EXPAND.
ignore_use_expand = True
attempts = 0
print(
"Giving up on USE_EXPAND after {0} tries to find valid USE combinations"
.format(attempts))
print("We've found {0} USE combinations so far".format(
len(swlist)))
uselist = [use for use in uselist if not "_" in use]
else:
# Let's give up entirely and use what we have.
print(
"Giving up on finding more USE combinations after {0} further attempts"
.format(attempts))
print("We've found {0} USE combinations".format(
len(swlist)))
break
r = random.randint(0, s - 1)
if r in rnds:
# already checked
continue
rnds.add(r)
if not check_uses(ruse, uselist, r, package):
attempts += 1
# invalid combination
continue
swlist.append(r)
swlist.sort()
else:
# Yes we can: generate all combinations
for pos in range(2**len(uselist)):
if check_uses(ruse, uselist, pos, package):
swlist.append(pos)
usecombis = []
for sw in swlist:
mod = []
for pos in range(len(uselist)):
if ((2**pos) & sw):
mod.append("")
else:
mod.append("-")
usecombis.append(" ".join(
["".join(uf) for uf in list(zip(mod, uselist))]))
# Merge everything to a USE="" string
return ["USE=\'" + uc + "\'" for uc in usecombis]
