# -*- coding: utf-8 -*- import re import sys from itertools import chain from os import listdir, makedirs from os.path import isfile, join, exists, abspath from sys import version_info from traceback import print_exc from module.lib.SafeEval import const_eval as literal_eval from module.ConfigParser import IGNORE class PluginManager: ROOT = "module.plugins." USERROOT = "userplugins." TYPES = ("crypter", "container", "hoster", "captcha", "accounts", "hooks", "internal") PATTERN = re.compile(r'__pattern__\s*=\s*[a-z]*("|\')([^"\']+)') VERSION = re.compile(r'__version__\s*=\s*("|\')([\d.]+)') CONFIG = re.compile(r'__config__\s*=\s*\[([^\]]+)', re.M) DESC = re.compile(r'__description__\s*=\s*("|"""|\')([^"\']+)') def __init__(self, core): self.core = core #self.config = self.core.config self.log = core.log self.plugins = {} self.createIndex() #register for import hook sys.meta_path.append(self) def createIndex(self): """create information for all plugins available""" sys.path.append(abspath("")) if not exists("userplugins"): makedirs("userplugins") if not exists(join("userplugins", "__init__.py")): f = open(join("userplugins", "__init__.py"), "wb") f.close() self.plugins['crypter'] = self.crypterPlugins = self.parse("crypter", pattern=True) self.plugins['container'] = self.containerPlugins = self.parse("container", pattern=True) self.plugins['hoster'] = self.hosterPlugins = self.parse("hoster", pattern=True) self.plugins['captcha'] = self.captchaPlugins = self.parse("captcha") self.plugins['accounts'] = self.accountPlugins = self.parse("accounts") self.plugins['hooks'] = self.hookPlugins = self.parse("hooks") self.plugins['internal'] = self.internalPlugins = self.parse("internal") self.log.debug("created index of plugins") def parse(self, folder, pattern=False, home={}): """ returns dict with information home contains parsed plugins from module. { name : {path, version, config, (pattern, re), (plugin, class)} } """ plugins = {} if home: pfolder = join("userplugins", folder) if not exists(pfolder): makedirs(pfolder) if not exists(join(pfolder, "__init__.py")): f = open(join(pfolder, "__init__.py"), "wb") f.close() else: pfolder = join(pypath, "module", "plugins", folder) for f in listdir(pfolder): if (isfile(join(pfolder, f)) and f.endswith(".py") or f.endswith("_25.pyc") or f.endswith( "_26.pyc") or f.endswith("_27.pyc")) and not f.startswith("_"): data = open(join(pfolder, f)) content = data.read() data.close() if f.endswith("_25.pyc") and version_info[0:2] != (2, 5): continue elif f.endswith("_26.pyc") and version_info[0:2] != (2, 6): continue elif f.endswith("_27.pyc") and version_info[0:2] != (2, 7): continue name = f[:-3] if name[-1] == ".": name = name[:-4] version = self.VERSION.findall(content) if version: version = float(version[0][1]) else: version = 0 # home contains plugins from pyload root if home and name in home: if home[name]['v'] >= version: continue if name in IGNORE or (folder, name) in IGNORE: continue plugins[name] = {} plugins[name]['v'] = version module = f.replace(".pyc", "").replace(".py", "") # the plugin is loaded from user directory plugins[name]['user'] = True if home else False plugins[name]['name'] = module if pattern: pattern = self.PATTERN.findall(content) if pattern: pattern = pattern[0][1] else: pattern = "^unmatchable$" plugins[name]['pattern'] = pattern try: plugins[name]['re'] = re.compile(pattern) except: self.log.error(_("%s has a invalid pattern") % name) # internals have no config if folder == "internal": self.core.config.deleteConfig(name) continue config = self.CONFIG.findall(content) if config: config = literal_eval(config[0].strip().replace("\n", "").replace("\r", "")) desc = self.DESC.findall(content) desc = desc[0][1] if desc else "" if type(config[0]) == tuple: config = [list(x) for x in config] else: config = [list(config)] if folder not in ("accounts", "internal") and not [True for item in config if item[0] == "activated"]: config.insert(0, ["activated", "bool", "Activated", False if folder == "hooks" else True]) try: self.core.config.addPluginConfig(name, config, desc) except: self.log.error("Invalid config in %s: %s" % (name, config)) elif folder == "hooks": #force config creation desc = self.DESC.findall(content) desc = desc[0][1] if desc else "" config = (["activated", "bool", "Activated", False],) try: self.core.config.addPluginConfig(name, config, desc) except: self.log.error("Invalid config in %s: %s" % (name, config)) if not home: temp = self.parse(folder, pattern, plugins) plugins.update(temp) return plugins def parseUrls(self, urls): """parse plugins for given list of urls""" last = None res = [] # tupels of (url, plugin) for url in urls: if type(url) not in (str, unicode, buffer): continue found = False if last and last[1]['re'].match(url): res.append((url, last[0])) continue for name, value in chain(self.crypterPlugins.iteritems(), self.hosterPlugins.iteritems(), self.containerPlugins.iteritems()): if value['re'].match(url): res.append((url, name)) last = (name, value) found = True break if not found: res.append((url, "BasePlugin")) return res def findPlugin(self, name, pluginlist=("hoster", "crypter", "container")): for ptype in pluginlist: if name in self.plugins[ptype]: return self.plugins[ptype][name], ptype return None, None def getPlugin(self, name, original=False): """return plugin module from hoster|decrypter|container""" plugin, type = self.findPlugin(name) if not plugin: self.log.warning("Plugin %s not found." % name) plugin = self.hosterPlugins['BasePlugin'] if "new_module" in plugin and not original: return plugin['new_module'] return self.loadModule(type, name) def getPluginName(self, name): """ used to obtain new name if other plugin was injected""" plugin, type = self.findPlugin(name) if "new_name" in plugin: return plugin['new_name'] return name def loadModule(self, type, name): """ Returns loaded module for plugin :param type: plugin type, subfolder of module.plugins :param name: """ plugins = self.plugins[type] if name in plugins: if "module" in plugins[name]: return plugins[name]['module'] try: module = __import__(self.ROOT + "%s.%s" % (type, plugins[name]['name']), globals(), locals(), plugins[name]['name']) plugins[name]['module'] = module #cache import, maybe unneeded return module except Exception, e: self.log.error(_("Error importing %(name)s: %(msg)s") % {"name": name, "msg": str(e)}) if self.core.debug: print_exc() def loadClass(self, type, name): """Returns the class of a plugin with the same name""" module = self.loadModule(type, name) if module: return getattr(module, name) def getAccountPlugins(self): """return list of account plugin names""" return self.accountPlugins.keys() def find_module(self, fullname, path=None): #redirecting imports if necesarry if fullname.startswith(self.ROOT) or fullname.startswith(self.USERROOT): #seperate pyload plugins if fullname.startswith(self.USERROOT): user = 1 else: user = 0 #used as bool and int split = fullname.split(".") if len(split) != 4 - user: return type, name = split[2 - user:4 - user] if type in self.plugins and name in self.plugins[type]: #userplugin is a newer version if not user and self.plugins[type][name]['user']: return self #imported from userdir, but pyloads is newer if user and not self.plugins[type][name]['user']: return self def load_module(self, name, replace=True): if name not in sys.modules: #could be already in modules if replace: if self.ROOT in name: newname = name.replace(self.ROOT, self.USERROOT) else: newname = name.replace(self.USERROOT, self.ROOT) else: newname = name base, plugin = newname.rsplit(".", 1) self.log.debug("Redirected import %s -> %s" % (name, newname)) module = __import__(newname, globals(), locals(), [plugin]) #inject under new an old name sys.modules[name] = module sys.modules[newname] = module return sys.modules[name] def reloadPlugins(self, type_plugins): """ reloads and reindexes plugins """ if not type_plugins: return False self.log.debug("Request reload of plugins: %s" % type_plugins) as_dict = {} for t,n in type_plugins: if t in as_dict: as_dict[t].append(n) else: as_dict[t] = [n] # we do not reload hooks or internals, would cause to much side effects if "hooks" in as_dict or "internal" in as_dict: return False for type in as_dict.iterkeys(): for plugin in as_dict[type]: if plugin in self.plugins[type]: if "module" in self.plugins[type][plugin]: self.log.debug("Reloading %s" % plugin) reload(self.plugins[type][plugin]['module']) #index creation self.plugins['crypter'] = self.crypterPlugins = self.parse("crypter", pattern=True) self.plugins['container'] = self.containerPlugins = self.parse("container", pattern=True) self.plugins['hoster'] = self.hosterPlugins = self.parse("hoster", pattern=True) self.plugins['captcha'] = self.captchaPlugins = self.parse("captcha") self.plugins['accounts'] = self.accountPlugins = self.parse("accounts") if "accounts" in as_dict: #accounts needs to be reloaded self.core.accountManager.initPlugins() self.core.scheduler.addJob(0, self.core.accountManager.getAccountInfos) return True if __name__ == "__main__": _ = lambda x: x pypath = "/home/christian/Projekte/pyload-0.4/module/plugins" from time import time p = PluginManager(None) a = time() test = ["http://www.youtube.com/watch?v=%s" % x for x in xrange(0, 100)] print p.parseUrls(test) b = time() print b - a, "s"