import codecs import os def packaged(pkg, d): return os.access(get_subpkgedata_fn(pkg, d) + '.packaged', os.R_OK) def read_pkgdatafile(fn): pkgdata = {} def decode(str): c = codecs.getdecoder("unicode_escape") return c(str)[0] if os.access(fn, os.R_OK): import re f = open(fn, 'r') lines = f.readlines() f.close() r = re.compile("([^:]+):\s*(.*)") for l in lines: m = r.match(l) if m: pkgdata[m.group(1)] = decode(m.group(2)) return pkgdata def get_subpkgedata_fn(pkg, d): return d.expand('${PKGDATA_DIR}/runtime/%s' % pkg) def has_subpkgdata(pkg, d): return os.access(get_subpkgedata_fn(pkg, d), os.R_OK) def read_subpkgdata(pkg, d): return read_pkgdatafile(get_subpkgedata_fn(pkg, d)) def has_pkgdata(pn, d): fn = d.expand('${PKGDATA_DIR}/%s' % pn) return os.access(fn, os.R_OK) def read_pkgdata(pn, d): fn = d.expand('${PKGDATA_DIR}/%s' % pn) return read_pkgdatafile(fn) # # Collapse FOO_pkg variables into FOO # def read_subpkgdata_dict(pkg, d): ret = {} subd = read_pkgdatafile(get_subpkgedata_fn(pkg, d)) for var in subd: newvar = var.replace("_" + pkg, "") if newvar == var and var + "_" + pkg in subd: continue ret[newvar] = subd[var] return ret def _pkgmap(d): """Return a dictionary mapping package to recipe name.""" pkgdatadir = d.getVar("PKGDATA_DIR") pkgmap = {} try: files = os.listdir(pkgdatadir) except OSError: bb.warn("No files in %s?" % pkgdatadir) files = [] for pn in [f for f in files if not os.path.isdir(os.path.join(pkgdatadir, f))]: try: pkgdata = read_pkgdatafile(os.path.join(pkgdatadir, pn)) except OSError: continue packages = pkgdata.get("PACKAGES") or "" for pkg in packages.split(): pkgmap[pkg] = pn return pkgmap def pkgmap(d): """Return a dictionary mapping package to recipe name. Cache the mapping in the metadata""" pkgmap_data = d.getVar("__pkgmap_data", False) if pkgmap_data is None: pkgmap_data = _pkgmap(d) d.setVar("__pkgmap_data", pkgmap_data) return pkgmap_data def recipename(pkg, d): """Return the recipe name for the given binary package name.""" return pkgmap(d).get(pkg)