Fix #1341 issue where Config would try to cancel the save_timer when it is None.
This commit is contained in:
Andrew Resch
parent
a2d75a5274
commit
d93fcf6eea
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@ -45,9 +45,9 @@ The format of the config file is two json encoded dicts:
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<version dict>
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<content dict>
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The version dict contains two keys: file and format. The format version is
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controlled by the Config class. It should only be changed when anything below
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it is changed directly by the Config class. An example of this would be if we
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The version dict contains two keys: file and format. The format version is
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controlled by the Config class. It should only be changed when anything below
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it is changed directly by the Config class. An example of this would be if we
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changed the serializer for the content to something different.
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The config file version is changed by the 'owner' of the config file. This is
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@ -93,13 +93,13 @@ def prop(func):
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def find_json_objects(s):
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"""
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Find json objects in a string.
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:param s: the string to find json objects in
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:type s: string
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:returns: a list of tuples containing start and end locations of json objects in the string `s`
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:rtype: [(start, end), ...]
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"""
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objects = []
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opens = 0
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@ -119,8 +119,8 @@ def find_json_objects(s):
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start = index + offset + 1
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return objects
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class Config(object):
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"""
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This class is used to access/create/modify config files
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@ -348,21 +348,21 @@ what is currently in the config and it could not convert the value
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return
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objects = find_json_objects(data)
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if not len(objects):
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# No json objects found, try depickling it
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try:
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self.__config.update(pickle.loads(data))
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except Exception, e:
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log.exception(e)
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log.warning("Unable to load config file: %s", filename)
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log.warning("Unable to load config file: %s", filename)
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elif len(objects) == 1:
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start, end = objects[0]
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try:
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self.__config.update(json.loads(data[start:end]))
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except Exception, e:
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log.exception(e)
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log.warning("Unable to load config file: %s", filename)
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log.warning("Unable to load config file: %s", filename)
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elif len(objects) == 2:
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try:
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start, end = objects[0]
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@ -371,8 +371,8 @@ what is currently in the config and it could not convert the value
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self.__config.update(json.loads(data[start:end]))
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except Exception, e:
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log.exception(e)
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log.warning("Unable to load config file: %s", filename)
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log.warning("Unable to load config file: %s", filename)
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log.debug("Config %s version: %s.%s loaded: %s", filename,
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self.__version["format"], self.__version["file"], self.__config)
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@ -396,26 +396,24 @@ what is currently in the config and it could not convert the value
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version = json.loads(data[start:end])
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start, end = objects[1]
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loaded_data = json.loads(data[start:end])
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if self.__config == loaded_data and self.__version == version:
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# The config has not changed so lets just return
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self._save_timer.cancel()
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if self._save_timer:
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self._save_timer.cancel()
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return
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except Exception, e:
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log.warning("Unable to open config file: %s", filename)
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except IOError, e:
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log.warning("Unable to open config file: %s because: %s", filename, e)
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# Save the new config and make sure it's written to disk
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try:
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log.debug("Saving new config file %s", filename + ".new")
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f = open(filename + ".new", "wb")
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json.dump(self.__version, f, indent=2)
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json.dump(self.__version, f, indent=2)
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json.dump(self.__config, f, indent=2)
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f.flush()
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os.fsync(f.fileno())
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f.close()
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except Exception, e:
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except IOError, e:
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log.error("Error writing new config file: %s", e)
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return False
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@ -6,7 +6,7 @@ import os
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from deluge.config import Config
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DEFAULTS = {"string": "foobar", "int": 1, "float": 0.435, "bool": True, "tuple": (1, 2)}
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DEFAULTS = {"string": "foobar", "int": 1, "float": 0.435, "bool": True}
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class ConfigTestCase(unittest.TestCase):
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def setUp(self):
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@ -15,10 +15,10 @@ class ConfigTestCase(unittest.TestCase):
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def test_init(self):
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config = Config("test.conf", defaults=DEFAULTS, config_dir=self.config_dir)
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self.assertEquals(DEFAULTS, config.config)
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config = Config("test.conf", config_dir=self.config_dir)
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self.assertEquals({}, config.config)
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def test_set_get_item(self):
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config = Config("test.conf", config_dir=self.config_dir)
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config["foo"] = 1
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@ -26,28 +26,28 @@ class ConfigTestCase(unittest.TestCase):
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self.assertRaises(ValueError, config.set_item, "foo", "bar")
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config["foo"] = 2
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self.assertEquals(config.get_item("foo"), 2)
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config._save_timer.cancel()
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def test_load(self):
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def check_config():
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config = Config("test.conf", config_dir=self.config_dir)
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self.assertEquals(config["string"], "foobar")
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self.assertEquals(config["float"], 0.435)
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# Test loading an old config from 1.1.x
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import pickle
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pickle.dump(DEFAULTS, open(os.path.join(self.config_dir, "test.conf"), "wb"))
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check_config()
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# Test opening a previous 1.2 config file of just a json object
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import json
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json.dump(DEFAULTS, open(os.path.join(self.config_dir, "test.conf"), "wb"), indent=2)
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check_config()
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# Test opening a previous 1.2 config file of having the format versions
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# as ints
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f = open(os.path.join(self.config_dir, "test.conf"), "wb")
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@ -55,26 +55,33 @@ class ConfigTestCase(unittest.TestCase):
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f.write(str(1) + "\n")
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json.dump(DEFAULTS, f, indent=2)
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f.close()
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check_config()
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# Test the 1.2 config format
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v = {"format": 1, "file": 1}
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f = open(os.path.join(self.config_dir, "test.conf"), "wb")
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json.dump(v, f, indent=2)
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json.dump(DEFAULTS, f, indent=2)
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f.close()
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check_config()
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def test_save(self):
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config = Config("test.conf", defaults=DEFAULTS, config_dir=self.config_dir)
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# We do this twice because the first time we need to save the file to disk
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# and the second time we do a compare and we should not write
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ret = config.save()
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self.assertTrue(ret)
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ret = config.save()
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self.assertTrue(ret)
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config["string"] = "baz"
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config["int"] = 2
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ret = config.save()
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self.assertTrue(ret)
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del config
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config = Config("test.conf", defaults=DEFAULTS, config_dir=self.config_dir)
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self.assertEquals(config["string"], "baz")
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self.assertEquals(config["int"], 2)
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@ -84,14 +91,14 @@ class ConfigTestCase(unittest.TestCase):
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config["string"] = "baz"
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config["int"] = 2
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self.assertTrue(config._save_timer.active())
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def check_config(config):
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self.assertTrue(not config._save_timer.active())
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del config
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config = Config("test.conf", defaults=DEFAULTS, config_dir=self.config_dir)
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self.assertEquals(config["string"], "baz")
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self.assertEquals(config["int"], 2)
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from twisted.internet.task import deferLater
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from twisted.internet import reactor
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d = deferLater(reactor, 7, check_config, config)
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@ -99,16 +106,15 @@ class ConfigTestCase(unittest.TestCase):
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def test_find_json_objects(self):
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s = """{
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"file": 1,
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"file": 1,
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"format": 1
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}{
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"ssl": true,
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"enabled": false,
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"ssl": true,
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"enabled": false,
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"port": 8115
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}\n"""
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from deluge.config import find_json_objects
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objects = find_json_objects(s)
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self.assertEquals(len(objects), 2)
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