backported fix for issue with uploading files from web interface

rhodecode/model/scm.py

@@ -1,414 +1,419
 # -*- coding: utf-8 -*-
 """
     rhodecode.model.scm
     ~~~~~~~~~~~~~~~~~~~
 
     Scm model for RhodeCode
 
     :created_on: Apr 9, 2010
     :author: marcink
-    :copyright: (C) 2009-2011 Marcin Kuzminski <[e-mail]>
+    :copyright: (C) 2010-2012 Marcin Kuzminski <[e-mail]>
     :license: GPLv3, see COPYING for more details.
 """
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 import os
 import time
 import traceback
 import logging
+import cStringIO
 
 from sqlalchemy.exc import DatabaseError
 
 from vcs import get_backend
 from vcs.exceptions import RepositoryError
 from vcs.utils.lazy import LazyProperty
 from vcs.nodes import FileNode
 
 from rhodecode import BACKENDS
 from rhodecode.lib import helpers as h
 from rhodecode.lib import safe_str
 from rhodecode.lib.auth import HasRepoPermissionAny
 from rhodecode.lib.utils import get_repos as get_filesystem_repos, make_ui, \
     action_logger, EmptyChangeset
 from rhodecode.model import BaseModel
 from rhodecode.model.db import Repository, RhodeCodeUi, CacheInvalidation, \
     UserFollowing, UserLog, User
 
 log = logging.getLogger(__name__)
 
 
 class UserTemp(object):
     def __init__(self, user_id):
         self.user_id = user_id
 
     def __repr__(self):
         return "<%s('id:%s')>" % (self.__class__.__name__, self.user_id)
 
 
 class RepoTemp(object):
     def __init__(self, repo_id):
         self.repo_id = repo_id
 
     def __repr__(self):
         return "<%s('id:%s')>" % (self.__class__.__name__, self.repo_id)
 
 class CachedRepoList(object):
 
     def __init__(self, db_repo_list, repos_path, order_by=None):
         self.db_repo_list = db_repo_list
         self.repos_path = repos_path
         self.order_by = order_by
         self.reversed = (order_by or '').startswith('-')
 
     def __len__(self):
         return len(self.db_repo_list)
 
     def __repr__(self):
         return '<%s (%s)>' % (self.__class__.__name__, self.__len__())
 
     def __iter__(self):
         for dbr in self.db_repo_list:
 
             scmr = dbr.scm_instance_cached
 
             # check permission at this level
             if not HasRepoPermissionAny('repository.read', 'repository.write',
                                         'repository.admin')(dbr.repo_name,
                                                             'get repo check'):
                 continue
 
             if scmr is None:
                 log.error('%s this repository is present in database but it '
                           'cannot be created as an scm instance',
                           dbr.repo_name)
                 continue
 
             last_change = scmr.last_change
             tip = h.get_changeset_safe(scmr, 'tip')
 
             tmp_d = {}
             tmp_d['name'] = dbr.repo_name
             tmp_d['name_sort'] = tmp_d['name'].lower()
             tmp_d['description'] = dbr.description
             tmp_d['description_sort'] = tmp_d['description']
             tmp_d['last_change'] = last_change
             tmp_d['last_change_sort'] = time.mktime(last_change \
                                                     .timetuple())
             tmp_d['tip'] = tip.raw_id
             tmp_d['tip_sort'] = tip.revision
             tmp_d['rev'] = tip.revision
             tmp_d['contact'] = dbr.user.full_contact
             tmp_d['contact_sort'] = tmp_d['contact']
             tmp_d['owner_sort'] = tmp_d['contact']
             tmp_d['repo_archives'] = list(scmr._get_archives())
             tmp_d['last_msg'] = tip.message
             tmp_d['author'] = tip.author
             tmp_d['dbrepo'] = dbr.get_dict()
             tmp_d['dbrepo_fork'] = dbr.fork.get_dict() if dbr.fork \
                                                                     else {}
             yield tmp_d
 
 class ScmModel(BaseModel):
     """Generic Scm Model
     """
 
     @LazyProperty
     def repos_path(self):
         """Get's the repositories root path from database
         """
 
         q = self.sa.query(RhodeCodeUi).filter(RhodeCodeUi.ui_key == '/').one()
 
         return q.ui_value
 
     def repo_scan(self, repos_path=None):
         """Listing of repositories in given path. This path should not be a
         repository itself. Return a dictionary of repository objects
 
         :param repos_path: path to directory containing repositories
         """
 
         if repos_path is None:
             repos_path = self.repos_path
 
         log.info('scanning for repositories in %s', repos_path)
 
         baseui = make_ui('db')
         repos_list = {}
 
         for name, path in get_filesystem_repos(repos_path, recursive=True):
             
             # name need to be decomposed and put back together using the /
             # since this is internal storage separator for rhodecode
             name = Repository.url_sep().join(name.split(os.sep))
             
             try:
                 if name in repos_list:
                     raise RepositoryError('Duplicate repository name %s '
                                           'found in %s' % (name, path))
                 else:
 
                     klass = get_backend(path[0])
 
                     if path[0] == 'hg' and path[0] in BACKENDS.keys():
 
                         # for mercurial we need to have an str path
                         repos_list[name] = klass(safe_str(path[1]),
                                                  baseui=baseui)
 
                     if path[0] == 'git' and path[0] in BACKENDS.keys():
                         repos_list[name] = klass(path[1])
             except OSError:
                 continue
 
         return repos_list
 
     def get_repos(self, all_repos=None, sort_key=None):
         """
         Get all repos from db and for each repo create it's
         backend instance and fill that backed with information from database
 
         :param all_repos: list of repository names as strings
             give specific repositories list, good for filtering
         """
         if all_repos is None:
             all_repos = self.sa.query(Repository)\
                         .filter(Repository.group_id == None)\
                         .order_by(Repository.repo_name).all()
 
         repo_iter = CachedRepoList(all_repos, repos_path=self.repos_path,
                                    order_by=sort_key)
 
         return repo_iter
 
     def mark_for_invalidation(self, repo_name):
         """Puts cache invalidation task into db for
         further global cache invalidation
 
         :param repo_name: this repo that should invalidation take place
         """
 
         log.debug('marking %s for invalidation', repo_name)
         cache = self.sa.query(CacheInvalidation)\
             .filter(CacheInvalidation.cache_key == repo_name).scalar()
 
         if cache:
             # mark this cache as inactive
             cache.cache_active = False
         else:
             log.debug('cache key not found in invalidation db -> creating one')
             cache = CacheInvalidation(repo_name)
 
         try:
             self.sa.add(cache)
             self.sa.commit()
         except (DatabaseError,):
             log.error(traceback.format_exc())
             self.sa.rollback()
 
     def toggle_following_repo(self, follow_repo_id, user_id):
 
         f = self.sa.query(UserFollowing)\
             .filter(UserFollowing.follows_repo_id == follow_repo_id)\
             .filter(UserFollowing.user_id == user_id).scalar()
 
         if f is not None:
 
             try:
                 self.sa.delete(f)
                 self.sa.commit()
                 action_logger(UserTemp(user_id),
                               'stopped_following_repo',
                               RepoTemp(follow_repo_id))
                 return
             except:
                 log.error(traceback.format_exc())
                 self.sa.rollback()
                 raise
 
         try:
             f = UserFollowing()
             f.user_id = user_id
             f.follows_repo_id = follow_repo_id
             self.sa.add(f)
             self.sa.commit()
             action_logger(UserTemp(user_id),
                           'started_following_repo',
                           RepoTemp(follow_repo_id))
         except:
             log.error(traceback.format_exc())
             self.sa.rollback()
             raise
 
     def toggle_following_user(self, follow_user_id, user_id):
         f = self.sa.query(UserFollowing)\
             .filter(UserFollowing.follows_user_id == follow_user_id)\
             .filter(UserFollowing.user_id == user_id).scalar()
 
         if f is not None:
             try:
                 self.sa.delete(f)
                 self.sa.commit()
                 return
             except:
                 log.error(traceback.format_exc())
                 self.sa.rollback()
                 raise
 
         try:
             f = UserFollowing()
             f.user_id = user_id
             f.follows_user_id = follow_user_id
             self.sa.add(f)
             self.sa.commit()
         except:
             log.error(traceback.format_exc())
             self.sa.rollback()
             raise
 
     def is_following_repo(self, repo_name, user_id, cache=False):
         r = self.sa.query(Repository)\
             .filter(Repository.repo_name == repo_name).scalar()
 
         f = self.sa.query(UserFollowing)\
             .filter(UserFollowing.follows_repository == r)\
             .filter(UserFollowing.user_id == user_id).scalar()
 
         return f is not None
 
     def is_following_user(self, username, user_id, cache=False):
         u = User.get_by_username(username)
 
         f = self.sa.query(UserFollowing)\
             .filter(UserFollowing.follows_user == u)\
             .filter(UserFollowing.user_id == user_id).scalar()
 
         return f is not None
 
     def get_followers(self, repo_id):
         if not isinstance(repo_id, int):
             repo_id = getattr(Repository.get_by_repo_name(repo_id), 'repo_id')
 
         return self.sa.query(UserFollowing)\
                 .filter(UserFollowing.follows_repo_id == repo_id).count()
 
     def get_forks(self, repo_id):
         if not isinstance(repo_id, int):
             repo_id = getattr(Repository.get_by_repo_name(repo_id), 'repo_id')
 
         return self.sa.query(Repository)\
                 .filter(Repository.fork_id == repo_id).count()
 
     def pull_changes(self, repo_name, username):
         dbrepo = Repository.get_by_repo_name(repo_name)
         clone_uri = dbrepo.clone_uri
         if not clone_uri:
             raise Exception("This repository doesn't have a clone uri")
 
         repo = dbrepo.scm_instance
         try:
             extras = {'ip': '',
                       'username': username,
                       'action': 'push_remote',
                       'repository': repo_name}
 
             #inject ui extra param to log this action via push logger
             for k, v in extras.items():
                 repo._repo.ui.setconfig('rhodecode_extras', k, v)
 
             repo.pull(clone_uri)
             self.mark_for_invalidation(repo_name)
         except:
             log.error(traceback.format_exc())
             raise
 
     def commit_change(self, repo, repo_name, cs, user, author, message, content,
                       f_path):
 
         if repo.alias == 'hg':
             from vcs.backends.hg import MercurialInMemoryChangeset as IMC
         elif repo.alias == 'git':
             from vcs.backends.git import GitInMemoryChangeset as IMC
 
         # decoding here will force that we have proper encoded values
         # in any other case this will throw exceptions and deny commit
         content = safe_str(content)
         message = safe_str(message)
         path = safe_str(f_path)
         author = safe_str(author)
         m = IMC(repo)
         m.change(FileNode(path, content))
         tip = m.commit(message=message,
                  author=author,
                  parents=[cs], branch=cs.branch)
 
         new_cs = tip.short_id
         action = 'push_local:%s' % new_cs
 
         action_logger(user, action, repo_name)
 
         self.mark_for_invalidation(repo_name)
 
     def create_node(self, repo, repo_name, cs, user, author, message, content,
                       f_path):
         if repo.alias == 'hg':
             from vcs.backends.hg import MercurialInMemoryChangeset as IMC
         elif repo.alias == 'git':
             from vcs.backends.git import GitInMemoryChangeset as IMC
         # decoding here will force that we have proper encoded values
         # in any other case this will throw exceptions and deny commit
 
         if isinstance(content, (basestring,)):
             content = safe_str(content)
-        elif isinstance(content, file):
+        elif isinstance(content, (file, cStringIO.OutputType,)):
             content = content.read()
+        else:
+            raise Exception('Content is of unrecognized type %s' % (
+                type(content)
+            ))
 
         message = safe_str(message)
         path = safe_str(f_path)
         author = safe_str(author)
         m = IMC(repo)
 
         if isinstance(cs, EmptyChangeset):
             # Emptychangeset means we we're editing empty repository
             parents = None
         else:
             parents = [cs]
 
         m.add(FileNode(path, content=content))
         tip = m.commit(message=message,
                  author=author,
                  parents=parents, branch=cs.branch)
         new_cs = tip.short_id
         action = 'push_local:%s' % new_cs
 
         action_logger(user, action, repo_name)
 
         self.mark_for_invalidation(repo_name)
 
 
     def get_unread_journal(self):
         return self.sa.query(UserLog).count()
 
     def _should_invalidate(self, repo_name):
         """Looks up database for invalidation signals for this repo_name
 
         :param repo_name:
         """
 
         ret = self.sa.query(CacheInvalidation)\
             .filter(CacheInvalidation.cache_key == repo_name)\
             .filter(CacheInvalidation.cache_active == False)\
             .scalar()
 
         return ret