Squashed 'yocto-poky/' content from commit ea562de
git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
diff --git a/meta/lib/oe/packagedata.py b/meta/lib/oe/packagedata.py
new file mode 100644
index 0000000..cd5f044
--- /dev/null
+++ b/meta/lib/oe/packagedata.py
@@ -0,0 +1,94 @@
+import codecs
+
+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("string_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", True)
+
+ pkgmap = {}
+ try:
+ files = os.listdir(pkgdatadir)
+ except OSError:
+ bb.warn("No files in %s?" % pkgdatadir)
+ files = []
+
+ for pn in filter(lambda f: not os.path.isdir(os.path.join(pkgdatadir, f)), files):
+ 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)