404 lines
14 KiB
Python
Executable File
404 lines
14 KiB
Python
Executable File
# This file is part of Tryton. The COPYRIGHT file at the top level of
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# this repository contains the full copyright notices and license terms.
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import configparser
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import itertools
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import logging
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import os
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import pkgutil
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from collections import defaultdict
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from glob import iglob
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from sql import Table
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from sql.functions import CurrentTimestamp
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import trytond.convert as convert
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import trytond.tools as tools
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from trytond.config import config
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from trytond.const import MODULES_GROUP
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from trytond.exceptions import MissingDependenciesException
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from trytond.transaction import Transaction
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logger = logging.getLogger(__name__)
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ir_module = Table('ir_module')
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ir_model_data = Table('ir_model_data')
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MODULES_PATH = os.path.abspath(os.path.dirname(__file__))
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MODULES = []
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def get_module_info(name):
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"Return the content of the tryton.cfg"
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module_config = configparser.ConfigParser()
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with tools.file_open(os.path.join(name, 'tryton.cfg')) as fp:
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module_config.read_file(fp)
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directory = os.path.dirname(fp.name)
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info = dict(module_config.items('tryton'))
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info['directory'] = directory
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for key in ('depends', 'extras_depend', 'xml'):
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if key in info:
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info[key] = info[key].strip().splitlines()
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return info
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class Graph(dict):
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def get(self, name):
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if name in self:
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node = self[name]
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else:
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node = self[name] = Node(name)
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return node
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def add(self, name, deps):
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node = self.get(name)
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for dep in deps:
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self.get(dep).append(node)
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return node
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def __iter__(self):
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for node in sorted(self.values(), key=lambda n: (n.depth, n.name)):
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yield node
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class Node(list):
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def __init__(self, name):
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super(Node, self).__init__()
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self.name = name
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self.info = None
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self.__depth = 0
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def __repr__(self):
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return str((self.name, self.depth, tuple(self)))
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@property
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def depth(self):
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return self.__depth
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@depth.setter
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def depth(self, value):
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if value > self.__depth:
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self.__depth = value
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for child in self:
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child.depth = value + 1
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def append(self, node):
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assert isinstance(node, Node)
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node.depth = self.depth + 1
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super(Node, self).append(node)
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def create_graph(modules):
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all_deps = set()
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graph = Graph()
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for module in modules:
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info = get_module_info(module)
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deps = info.get('depends', []) + [
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d for d in info.get('extras_depend', []) if d in modules]
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node = graph.add(module, deps)
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assert node.info is None
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node.info = info
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all_deps.update(deps)
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missing = all_deps - modules
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if missing:
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raise MissingDependenciesException(list(missing))
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return graph
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def is_module_to_install(module, update):
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if module in update:
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return True
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return False
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def load_translations(pool, node, languages):
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module = node.name
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localedir = '%s/%s' % (node.info['directory'], 'locale')
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lang2filenames = defaultdict(list)
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for filename in itertools.chain(
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iglob('%s/*.po' % localedir),
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iglob('%s/override/*.po' % localedir)):
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filename = filename.replace('/', os.sep)
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lang = os.path.splitext(os.path.basename(filename))[0]
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if lang not in languages:
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continue
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lang2filenames[lang].append(filename)
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base_path_position = len(node.info['directory']) + 1
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for language, files in lang2filenames.items():
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filenames = [f[base_path_position:] for f in files]
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logger.info('%s:loading %s', module, ','.join(filenames))
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Translation = pool.get('ir.translation')
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Translation.translation_import(language, module, files)
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def load_module_graph(graph, pool, update=None, lang=None, indexes=None):
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# Prevent to import backend when importing module
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from trytond.cache import Cache
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from trytond.ir.lang import get_parent_language
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if lang is None:
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lang = [config.get('database', 'language')]
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if update is None:
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update = []
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modules_todo = []
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models_to_update_history = set()
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models_with_indexes = set()
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# Load also parent languages
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lang = set(lang)
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for code in list(lang):
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while code:
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lang.add(code)
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code = get_parent_language(code)
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transaction = Transaction()
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with transaction.connection.cursor() as cursor:
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modules = [x.name for x in graph]
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module2state = dict()
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for sub_modules in tools.grouped_slice(modules):
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cursor.execute(*ir_module.select(ir_module.name, ir_module.state,
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where=ir_module.name.in_(list(sub_modules))))
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module2state.update(cursor)
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modules = set(modules)
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new_modules = modules - module2state.keys()
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if new_modules:
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cursor.execute(*ir_module.insert(
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[ir_module.name, ir_module.state,
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ir_module.create_uid, ir_module.create_date],
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[[m, 'not activated', 0, CurrentTimestamp()]
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for m in new_modules]))
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for node in graph:
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module = node.name
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if module not in MODULES:
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continue
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logger.info(module)
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classes = pool.fill(module, modules)
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if update:
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# Clear all caches to prevent _record with wrong schema to
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# linger
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transaction.cache.clear()
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pool.setup(classes)
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package_state = module2state.get(module, 'not activated')
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if (is_module_to_install(module, update)
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or (update
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and package_state in ('to activate', 'to upgrade'))):
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if package_state not in ('to activate', 'to upgrade'):
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if package_state == 'activated':
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package_state = 'to upgrade'
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elif package_state != 'to remove':
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package_state = 'to activate'
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for child in node:
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module2state[child.name] = package_state
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for type in list(classes.keys()):
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for cls in classes[type]:
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logger.info('%s:register %s', module, cls.__name__)
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cls.__register__(module)
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for model in classes['model']:
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if hasattr(model, '_history'):
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models_to_update_history.add(model.__name__)
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if hasattr(model, '_update_sql_indexes'):
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models_with_indexes.add(model.__name__)
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# Instanciate a new parser for the module
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tryton_parser = convert.TrytondXmlHandler(
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pool, module, package_state, modules, lang)
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for filename in node.info.get('xml', []):
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filename = filename.replace('/', os.sep)
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logger.info('%s:loading %s', module, filename)
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# Feed the parser with xml content:
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with tools.file_open(
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os.path.join(module, filename), 'rb') as fp:
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tryton_parser.parse_xmlstream(fp)
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modules_todo.append((module, list(tryton_parser.to_delete)))
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load_translations(pool, node, lang)
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if package_state == 'to remove':
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continue
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cursor.execute(*ir_module.select(ir_module.id,
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where=(ir_module.name == module)))
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try:
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module_id, = cursor.fetchone()
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cursor.execute(*ir_module.update([ir_module.state],
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['activated'], where=(ir_module.id == module_id)))
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except TypeError:
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cursor.execute(*ir_module.insert(
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[ir_module.create_uid, ir_module.create_date,
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ir_module.name, ir_module.state],
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[[0, CurrentTimestamp(), module, 'activated'],
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]))
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module2state[module] = 'activated'
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elif not update and indexes:
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for model in classes['model']:
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if hasattr(model, '_update_sql_indexes'):
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models_with_indexes.add(model.__name__)
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if not update:
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pool.setup()
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else:
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# As the caches are cleared at the end of the process there's
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# no need to do it here.
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# It may deadlock on the ir_cache SELECT if the table schema has
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# been modified
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Cache._reset.clear()
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transaction.commit()
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# Remove unknown models and fields
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Model = pool.get('ir.model')
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Model.clean()
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ModelField = pool.get('ir.model.field')
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ModelField.clean()
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pool.setup_mixin()
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def create_indexes(concurrently):
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for model_name in models_with_indexes:
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model = pool.get(model_name)
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if model._sql_indexes:
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logger.info('index:update %s', model_name)
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model._update_sql_indexes(concurrently=concurrently)
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if update:
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if indexes or indexes is None:
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create_indexes(concurrently=False)
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else:
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logger.info('index:skipping indexes creation')
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for model_name in models_to_update_history:
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model = pool.get(model_name)
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if model._history:
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logger.info('history:update %s', model.__name__)
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model._update_history_table()
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transaction.commit()
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elif indexes:
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# Release any lock
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transaction.commit()
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with transaction.new_transaction(autocommit=True):
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create_indexes(concurrently=True)
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# Vacuum :
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while modules_todo:
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(module, to_delete) = modules_todo.pop()
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convert.post_import(pool, module, to_delete)
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if update:
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# Ensure cache is clear for other instances
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Cache.clear_all()
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Cache.refresh_pool(transaction)
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logger.info('all modules loaded')
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def get_modules(with_test=False):
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modules = {'ir', 'res'}
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modules.update((m.name for m in pkgutil.iter_modules([MODULES_PATH])))
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for ep in tools.entry_points().select(group=MODULES_GROUP):
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modules.add(ep.name)
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if with_test:
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modules.add('tests')
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return modules
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def register_classes(with_test=False):
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'''
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Import modules to register the classes in the Pool
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'''
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import trytond.ir
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trytond.ir.register()
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import trytond.res
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trytond.res.register()
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if with_test:
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import trytond.tests
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trytond.tests.register()
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logger.info("TESTTTTTTTTTT:%s",MODULES_PATH)
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for node in create_graph(get_modules(with_test=with_test)):
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module_name = node.name
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logger.info('%s:registering classes', module_name)
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if module_name in ('ir', 'res', 'tests'):
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MODULES.append(module_name)
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continue
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module = tools.import_module(module_name)
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# Some modules register nothing in the Pool
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if hasattr(module, 'register'):
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module.register()
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MODULES.append(module_name)
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def load_modules(
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database_name, pool, update=None, lang=None, indexes=None,
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activatedeps=False):
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# Do not import backend when importing module
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res = True
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if update:
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update = update[:]
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else:
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update = []
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def _load_modules(update):
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global res
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transaction = Transaction()
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with transaction.set_context(_no_trigger=True), \
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transaction.connection.cursor() as cursor:
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if update:
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cursor.execute(*ir_module.select(ir_module.name,
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where=ir_module.state.in_(('activated', 'to activate',
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'to upgrade', 'to remove'))))
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else:
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cursor.execute(*ir_module.select(ir_module.name,
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where=ir_module.state.in_(('activated', 'to upgrade',
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'to remove'))))
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modules = {name for (name,) in cursor}
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graph = None
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while graph is None:
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modules.update(update)
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try:
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graph = create_graph(modules)
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except MissingDependenciesException as e:
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if not activatedeps:
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raise
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update += e.missings
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load_module_graph(graph, pool, update, lang, indexes)
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Configuration = pool.get('ir.configuration')
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Configuration(1).check()
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if update:
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cursor.execute(*ir_module.select(ir_module.name,
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where=(ir_module.state == 'to remove')))
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for mod_name, in cursor:
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res = False
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# TODO check if ressource not updated by the user
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with transaction.connection.cursor() as cursor_delete:
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cursor_delete.execute(*ir_model_data.select(
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ir_model_data.model, ir_model_data.db_id,
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where=(ir_model_data.module == mod_name),
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order_by=ir_model_data.id.desc))
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for rmod, rid in cursor_delete:
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Model = pool.get(rmod)
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Model.delete([Model(rid)])
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transaction.connection.commit()
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cursor.execute(*ir_module.update([ir_module.state],
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['not activated'],
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where=(ir_module.state == 'to remove')))
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transaction.connection.commit()
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Module = pool.get('ir.module')
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Module.update_list()
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if not Transaction().connection:
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with Transaction().start(database_name, 0, readonly=not update):
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_load_modules(update)
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else:
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with Transaction().new_transaction(readonly=not update), \
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Transaction().set_user(0), \
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Transaction().reset_context():
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_load_modules(update)
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return res
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