diff options
Diffstat (limited to 'src/leap/base/config.py')
| -rw-r--r-- | src/leap/base/config.py | 42 |
1 files changed, 35 insertions, 7 deletions
diff --git a/src/leap/base/config.py b/src/leap/base/config.py index 45a5f08a..7a65474a 100644 --- a/src/leap/base/config.py +++ b/src/leap/base/config.py @@ -6,12 +6,14 @@ import json import logging import requests import socket +import tempfile import os logger = logging.getLogger(name=__name__) logger.setLevel('DEBUG') import configuration +import requests from leap.base import exceptions from leap.base import constants @@ -55,6 +57,11 @@ class MetaConfigWithSpec(type): # XXX in the near future, this is the # place where we want to enforce # singletons, read-only and stuff. + + # TODO: + # - add a error handler for missing options that + # we can act easily upon (sys.exit is ugly, for $deity's sake) + def __new__(meta, classname, bases, classDict): spec_options = classDict.get('spec', None) # XXX if not spec_options, raise BadConfiguration or something @@ -102,6 +109,7 @@ class JSONLeapConfig(BaseLeapConfig): self._config = self.spec() self._config.parse_args(list(args)) + self.fetcher = kwargs.pop('fetcher', requests) # mandatory baseconfig interface @@ -111,7 +119,7 @@ class JSONLeapConfig(BaseLeapConfig): folder, filename = os.path.split(to) if folder and not os.path.isdir(folder): mkdir_p(folder) - # lazy evaluation until first level nest + # lazy evaluation until first level of nesting # to allow lambdas with context-dependant info # like os.path.expanduser config = self.get_config() @@ -120,14 +128,27 @@ class JSONLeapConfig(BaseLeapConfig): config[k] = v() self._config.serialize(to) - def load(self, fromfile=None): - # load should get a much more generic - # argument. it could be, f.i., from_uri, - # and call to Fetcher - + def load(self, fromfile=None, from_uri=None, fetcher=None): + if from_uri is not None: + fetched = self.fetch(from_uri, fetcher=fetcher) + if fetched: + return if fromfile is None: fromfile = self.filename - self._config.config = self._config.deserialize(fromfile) + newconfig = self._config.deserialize(fromfile) + # XXX check for no errors, etc + self._config.config = newconfig + + def fetch(self, uri, fetcher=None): + if not fetcher: + fetcher = self.fetcher + request = fetcher.get(uri) + request.raise_for_status() + fd, fname = tempfile.mkstemp(suffix=".json") + with open(fname, 'w') as tmp: + tmp.write(json.dumps(request.json)) + self._loadtemp(fname) + return True def get_config(self): return self._config.config @@ -141,6 +162,12 @@ class JSONLeapConfig(BaseLeapConfig): def filename(self): return self.get_filename() + # private + + def _loadtemp(self, filename): + self.load(fromfile=filename) + os.remove(filename) + def _slug_to_filename(self): # is this going to work in winland if slug is "foo/bar" ? folder, filename = os.path.split(self.slug) @@ -157,6 +184,7 @@ class JSONLeapConfig(BaseLeapConfig): # # (might be moved to some class as we see fit, but # let's remain functional for a while) +# maybe base.config.util ?? # |