almalinux/lorax
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treebuilder fixups: add _glob, use it in _exists, replace, install

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This commit is contained in:
Will Woods 2011-05-10 16:54:49 -04:00
parent d2203b348d
commit d4813816b7
1 changed files with 16 additions and 15 deletions
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31
src/pylorax/treebuilder.py
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@ -20,8 +20,7 @@
import logging
logger = logging.getLogger("pylorax.treebuilder")
import os, re
from glob import glob
import os, re, glob
from os.path import join, basename, isdir, getsize
from subprocess import check_call, PIPE
from tempfile import NamedTemporaryFile
@ -64,9 +63,14 @@ def findkernels(root="/", kdir="boot"):
return kernels
def _exists(root, p):
if p[0] != '/': p = joinpaths(root, p)
return (len(glob(p)) > 0)
def _glob(glob, root="", fatal=True):
files_found = glob.glob(os.path.join(root, glob))
if fatal and not files_found:
raise IOError, "nothing matching %s" % os.path.join(root, glob)
return files_found
def _exists(path, root=""):
return (len(_glob(path, root, fatal=False)) > 0)
class BaseBuilder(object):
def __init__(self, product, arch, inroot, outroot, templatedir=None):
@ -90,8 +94,8 @@ class BaseBuilder(object):
for key, val in tvars.items():
logger.info(" %s: %s", key, val)
# set up functions for template
tvars.setdefault('exists', lambda p: _exists(tvars['inroot'], p))
tvars.setdefault('glob', glob)
tvars.setdefault('exists', lambda p: _exists(p, root=tvars['inroot']))
tvars.setdefault('glob', lambda g: glob(g, root=tvars['inroot']))
# parse and run the template
t = LoraxTemplate(directories=[self.templatedir])
template = t.parse(tfile, tvars)
@ -155,8 +159,8 @@ class TreeBuilder(BaseBuilder):
# everything else operates on outroot
# "mkdir", "treeinfo", "runcmd", "remove", "replace" will take multiple args
# TODO: replace installtree:
# glob(), find(glob)
# TODO: to replace installtree:
# find(glob)
# installpkg/removepkg pkgglob [pkgglob..]
# run_pkg_transaction
# removefrom [pkgname] glob [glob..]
@ -175,7 +179,7 @@ class TemplateRunner(object):
self.fatalerrors = fatalerrors
self.treeinfo_data = dict()
self.exists = lambda p: _exists(inroot, p)
self.exists = lambda p: _exists(p, root=inroot)
def _out(self, path):
return joinpaths(self.outroot, path)
@ -199,10 +203,7 @@ class TemplateRunner(object):
logger.error(str(e))
def install(self, srcglob, dest):
sources = glob(self._in(srcglob))
if not sources:
raise IOError, "couldn't find %s" % srcglob
for src in sources:
for src in _glob(srcglob, root=self.inroot):
cpfile(src, self._out(dest))
def mkdir(self, *dirs):
@ -213,7 +214,7 @@ class TemplateRunner(object):
def replace(self, pat, repl, *fileglobs):
for g in fileglobs:
for f in glob(self._out(f)):
for f in _glob(g, root=self.outroot):
replace(pat, repl, f)
def append(self, filename, data):