1
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forked from brl/citadel
citadel/poky/meta/lib/oe/packagedata.py

96 lines
2.4 KiB
Python

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)