diff options
Diffstat (limited to 'pym/cache/flat_list.py')
-rw-r--r-- | pym/cache/flat_list.py | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/pym/cache/flat_list.py b/pym/cache/flat_list.py deleted file mode 100644 index 85efa4c02..000000000 --- a/pym/cache/flat_list.py +++ /dev/null @@ -1,106 +0,0 @@ -from cache import fs_template -from cache import cache_errors -import errno, os, stat - -# store the current key order *here*. -class database(fs_template.FsBased): - - autocommits = True - - # do not screw with this ordering. _eclasses_ needs to be last - auxdbkey_order=('DEPEND', 'RDEPEND', 'SLOT', 'SRC_URI', - 'RESTRICT', 'HOMEPAGE', 'LICENSE', 'DESCRIPTION', - 'KEYWORDS', 'IUSE', 'CDEPEND', - 'PDEPEND', 'PROVIDE','_eclasses_') - - def __init__(self, label, auxdbkeys, **config): - super(database,self).__init__(label, auxdbkeys, **config) - self._base = os.path.join(self._base, - self.label.lstrip(os.path.sep).rstrip(os.path.sep)) - - if len(self._known_keys) > len(self.auxdbkey_order) + 2: - raise Exception("less ordered keys then auxdbkeys") - if not os.path.exists(self._base): - self._ensure_dirs() - - - def _getitem(self, cpv): - d = {} - try: - myf = open(os.path.join(self._base, cpv),"r") - for k,v in zip(self.auxdbkey_order, myf): - d[k] = v.rstrip("\n") - except (OSError, IOError),e: - if errno.ENOENT == e.errno: - raise KeyError(cpv) - raise cache_errors.CacheCorruption(cpv, e) - - try: - d["_mtime_"] = long(os.fstat(myf.fileno()).st_mtime) - except OSError, e: - myf.close() - raise cache_errors.CacheCorruption(cpv, e) - myf.close() - return d - - - def _setitem(self, cpv, values): - s = cpv.rfind("/") - fp=os.path.join(self._base,cpv[:s],".update.%i.%s" % (os.getpid(), cpv[s+1:])) - try: myf=open(fp, "w") - except (OSError, IOError), e: - if errno.ENOENT == e.errno: - try: - self._ensure_dirs(cpv) - myf=open(fp,"w") - except (OSError, IOError),e: - raise cache_errors.CacheCorruption(cpv, e) - else: - raise cache_errors.CacheCorruption(cpv, e) - - - for x in self.auxdbkey_order: - myf.write(values.get(x,"")+"\n") - - myf.close() - self._ensure_access(fp, mtime=values["_mtime_"]) - #update written. now we move it. - new_fp = os.path.join(self._base,cpv) - try: os.rename(fp, new_fp) - except (OSError, IOError), e: - os.remove(fp) - raise cache_errors.CacheCorruption(cpv, e) - - - def _delitem(self, cpv): - try: - os.remove(os.path.join(self._base,cpv)) - except OSError, e: - if errno.ENOENT == e.errno: - raise KeyError(cpv) - else: - raise cache_errors.CacheCorruption(cpv, e) - - - def __contains__(self, cpv): - return os.path.exists(os.path.join(self._base, cpv)) - - - def iterkeys(self): - """generator for walking the dir struct""" - dirs = [self._base] - len_base = len(self._base) - while len(dirs): - for l in os.listdir(dirs[0]): - if l.endswith(".cpickle"): - continue - p = os.path.join(dirs[0],l) - st = os.lstat(p) - if stat.S_ISDIR(st.st_mode): - dirs.append(p) - continue - yield p[len_base+1:] - dirs.pop(0) - - - def commit(self): pass |