153 lines
4.8 KiB
Python
153 lines
4.8 KiB
Python
try:
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# Python 2
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import commands as cmdstatus
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except ImportError:
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# Python 3
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import subprocess as cmdstatus
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def read_file(filename):
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try:
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f = open( filename, "r" )
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except IOError as reason:
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return "" # WARNING: can't raise an error now because of the new RDEPENDS handling. This is a bit ugly. :M:
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else:
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data = f.read().strip()
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f.close()
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return data
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return None
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def ifelse(condition, iftrue = True, iffalse = False):
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if condition:
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return iftrue
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else:
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return iffalse
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def conditional(variable, checkvalue, truevalue, falsevalue, d):
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if d.getVar(variable,1) == checkvalue:
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return truevalue
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else:
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return falsevalue
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def less_or_equal(variable, checkvalue, truevalue, falsevalue, d):
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if float(d.getVar(variable,1)) <= float(checkvalue):
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return truevalue
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else:
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return falsevalue
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def version_less_or_equal(variable, checkvalue, truevalue, falsevalue, d):
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result = bb.utils.vercmp_string(d.getVar(variable,True), checkvalue)
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if result <= 0:
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return truevalue
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else:
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return falsevalue
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def contains(variable, checkvalues, truevalue, falsevalue, d):
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val = d.getVar(variable, True)
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if not val:
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return falsevalue
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val = set(val.split())
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if isinstance(checkvalues, basestring):
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checkvalues = set(checkvalues.split())
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else:
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checkvalues = set(checkvalues)
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if checkvalues.issubset(val):
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return truevalue
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return falsevalue
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def both_contain(variable1, variable2, checkvalue, d):
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if d.getVar(variable1,1).find(checkvalue) != -1 and d.getVar(variable2,1).find(checkvalue) != -1:
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return checkvalue
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else:
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return ""
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def prune_suffix(var, suffixes, d):
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# See if var ends with any of the suffixes listed and
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# remove it if found
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for suffix in suffixes:
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if var.endswith(suffix):
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var = var.replace(suffix, "")
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prefix = d.getVar("MLPREFIX", True)
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if prefix and var.startswith(prefix):
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var = var.replace(prefix, "")
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return var
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def str_filter(f, str, d):
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from re import match
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return " ".join(filter(lambda x: match(f, x, 0), str.split()))
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def str_filter_out(f, str, d):
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from re import match
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return " ".join(filter(lambda x: not match(f, x, 0), str.split()))
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def param_bool(cfg, field, dflt = None):
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"""Lookup <field> in <cfg> map and convert it to a boolean; take
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<dflt> when this <field> does not exist"""
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value = cfg.get(field, dflt)
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strvalue = str(value).lower()
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if strvalue in ('yes', 'y', 'true', 't', '1'):
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return True
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elif strvalue in ('no', 'n', 'false', 'f', '0'):
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return False
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raise ValueError("invalid value for boolean parameter '%s': '%s'" % (field, value))
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def inherits(d, *classes):
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"""Return True if the metadata inherits any of the specified classes"""
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return any(bb.data.inherits_class(cls, d) for cls in classes)
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def features_backfill(var,d):
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# This construct allows the addition of new features to variable specified
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# as var
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# Example for var = "DISTRO_FEATURES"
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# This construct allows the addition of new features to DISTRO_FEATURES
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# that if not present would disable existing functionality, without
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# disturbing distributions that have already set DISTRO_FEATURES.
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# Distributions wanting to elide a value in DISTRO_FEATURES_BACKFILL should
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# add the feature to DISTRO_FEATURES_BACKFILL_CONSIDERED
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features = (d.getVar(var, True) or "").split()
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backfill = (d.getVar(var+"_BACKFILL", True) or "").split()
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considered = (d.getVar(var+"_BACKFILL_CONSIDERED", True) or "").split()
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addfeatures = []
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for feature in backfill:
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if feature not in features and feature not in considered:
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addfeatures.append(feature)
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if addfeatures:
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d.appendVar(var, " " + " ".join(addfeatures))
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def packages_filter_out_system(d):
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"""
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Return a list of packages from PACKAGES with the "system" packages such as
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PN-dbg PN-doc PN-locale-eb-gb removed.
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"""
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pn = d.getVar('PN', True)
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blacklist = map(lambda suffix: pn + suffix, ('', '-dbg', '-dev', '-doc', '-locale', '-staticdev'))
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localepkg = pn + "-locale-"
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pkgs = []
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for pkg in d.getVar('PACKAGES', True).split():
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if pkg not in blacklist and localepkg not in pkg:
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pkgs.append(pkg)
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return pkgs
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def getstatusoutput(cmd):
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return cmdstatus.getstatusoutput(cmd)
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def trim_version(version, num_parts=2):
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"""
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Return just the first <num_parts> of <version>, split by periods. For
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example, trim_version("1.2.3", 2) will return "1.2".
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"""
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if type(version) is not str:
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raise TypeError("Version should be a string")
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if num_parts < 1:
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raise ValueError("Cannot split to parts < 1")
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parts = version.split(".")
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trimmed = ".".join(parts[:num_parts])
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return trimmed
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