author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Mon, 03 Aug 2009 16:33:27 +0200 | |
changeset 2663 | 2bb628e0cc3b |
parent 2647 | b0a2e779845c |
child 2683 | 52b1a86c1913 |
permissions | -rw-r--r-- |
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"""CubicWeb is a generic framework to quickly build applications which describes |
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relations between entitites. |
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:organization: Logilab |
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1977
606923dff11b
big bunch of copyright / docstring update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
1954
diff
changeset
|
5 |
:copyright: 2001-2009 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2. |
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr |
1030
2ead2111cfab
update license, specify which the version of LGPL under which the code is provided
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
1022
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7 |
:license: Library General Public License version 2 - http://www.gnu.org/licenses |
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""" |
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__docformat__ = "restructuredtext en" |
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from cubicweb.__pkginfo__ import version as __version__ |
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import __builtin__ |
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# '_' is available in builtins to mark internationalized string but should |
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# not be used to do the actual translation |
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if not hasattr(__builtin__, '_'): |
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__builtin__._ = unicode |
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CW_SOFTWARE_ROOT = __path__[0] |
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import sys, os, logging |
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from StringIO import StringIO |
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from urllib import quote as urlquote, unquote as urlunquote |
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from logilab.common.decorators import cached |
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1741 | 25 |
from logilab.common.logging_ext import set_log_methods |
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27 |
if os.environ.get('APYCOT_ROOT'): |
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28 |
logging.basicConfig(level=logging.CRITICAL) |
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else: |
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logging.basicConfig() |
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set_log_methods(sys.modules[__name__], logging.getLogger('cubicweb')) |
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# make all exceptions accessible from the package |
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from cubicweb._exceptions import * |
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# convert eid to the right type, raise ValueError if it's not a valid eid |
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typed_eid = int |
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40 |
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#def log_thread(f, w, a): |
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43 |
# print f.f_code.co_filename, f.f_code.co_name |
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#import threading |
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#threading.settrace(log_thread) |
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class Binary(StringIO): |
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"""customize StringIO to make sure we don't use unicode""" |
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def __init__(self, buf=''): |
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assert isinstance(buf, (str, buffer)), \ |
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"Binary objects must use raw strings, not %s" % buf.__class__ |
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StringIO.__init__(self, buf) |
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def write(self, data): |
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assert isinstance(data, (str, buffer)), \ |
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"Binary objects must use raw strings, not %s" % data.__class__ |
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StringIO.write(self, data) |
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class RequestSessionMixIn(object): |
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"""mixin class containing stuff shared by server session and web request |
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""" |
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def __init__(self, vreg): |
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self.vreg = vreg |
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65 |
try: |
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encoding = vreg.property_value('ui.encoding') |
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except: # no vreg or property not registered |
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encoding = 'utf-8' |
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self.encoding = encoding |
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70 |
# cache result of execution for (rql expr / eids), |
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sylvain.thenault@logilab.fr
parents:
1398
diff
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|
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# should be emptied on commit/rollback of the server session / web |
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# connection |
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self.local_perm_cache = {} |
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def property_value(self, key): |
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if self.user: |
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return self.user.property_value(key) |
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return self.vreg.property_value(key) |
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parents:
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0 | 80 |
def etype_rset(self, etype, size=1): |
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"""return a fake result set for a particular entity type""" |
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from cubicweb.rset import ResultSet |
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rset = ResultSet([('A',)]*size, '%s X' % etype, |
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description=[(etype,)]*size) |
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1132 | 85 |
def get_entity(row, col=0, etype=etype, req=self, rset=rset): |
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return req.vreg.etype_class(etype)(req, rset, row, col) |
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rset.get_entity = get_entity |
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return self.decorate_rset(rset) |
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def eid_rset(self, eid, etype=None): |
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"""return a result set for the given eid without doing actual query |
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(we have the eid, we can suppose it exists and user has access to the |
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entity) |
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""" |
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from cubicweb.rset import ResultSet |
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eid = typed_eid(eid) |
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if etype is None: |
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etype = self.describe(eid)[0] |
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rset = ResultSet([(eid,)], 'Any X WHERE X eid %(x)s', {'x': eid}, |
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[(etype,)]) |
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return self.decorate_rset(rset) |
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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def empty_rset(self): |
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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|
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"""return a result set for the given eid without doing actual query |
b0a2e779845c
enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2476
diff
changeset
|
105 |
(we have the eid, we can suppose it exists and user has access to the |
b0a2e779845c
enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2476
diff
changeset
|
106 |
entity) |
b0a2e779845c
enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2476
diff
changeset
|
107 |
""" |
b0a2e779845c
enable server side entity caching, 25% speedup on codenaf insertion. ALL CW TESTS OK
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2476
diff
changeset
|
108 |
from cubicweb.rset import ResultSet |
b0a2e779845c
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parents:
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diff
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|
109 |
return self.decorate_rset(ResultSet([], 'Any X WHERE X eid -1')) |
b0a2e779845c
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parents:
2476
diff
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|
110 |
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0 | 111 |
def entity_from_eid(self, eid, etype=None): |
2647
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parents:
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112 |
try: |
b0a2e779845c
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parents:
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|
113 |
return self.entity_cache(eid) |
b0a2e779845c
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2476
diff
changeset
|
114 |
except KeyError: |
b0a2e779845c
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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diff
changeset
|
115 |
rset = self.eid_rset(eid, etype) |
b0a2e779845c
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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diff
changeset
|
116 |
entity = rset.get_entity(0, 0) |
b0a2e779845c
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2476
diff
changeset
|
117 |
self.set_entity_cache(entity) |
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parents:
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diff
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|
118 |
return entity |
0 | 119 |
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2647
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2476
diff
changeset
|
120 |
def entity_cache(self, eid): |
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
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diff
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121 |
raise KeyError |
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2476
diff
changeset
|
122 |
def set_entity_cache(self, entity): |
b0a2e779845c
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2476
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changeset
|
123 |
pass |
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# url generation methods ################################################## |
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parents:
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125 |
|
2059
af33833d7571
absolute_url / build_url refactoring to avoid potential name clash
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
1977
diff
changeset
|
126 |
def build_url(self, *args, **kwargs): |
0 | 127 |
"""return an absolute URL using params dictionary key/values as URL |
128 |
parameters. Values are automatically URL quoted, and the |
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129 |
publishing method to use may be specified or will be guessed. |
|
130 |
""" |
|
2059
af33833d7571
absolute_url / build_url refactoring to avoid potential name clash
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
1977
diff
changeset
|
131 |
# use *args since we don't want first argument to be "anonymous" to |
af33833d7571
absolute_url / build_url refactoring to avoid potential name clash
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
1977
diff
changeset
|
132 |
# avoid potential clash with kwargs |
af33833d7571
absolute_url / build_url refactoring to avoid potential name clash
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
1977
diff
changeset
|
133 |
assert len(args) == 1, 'only 0 or 1 non-named-argument expected' |
af33833d7571
absolute_url / build_url refactoring to avoid potential name clash
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
1977
diff
changeset
|
134 |
method = args[0] |
af33833d7571
absolute_url / build_url refactoring to avoid potential name clash
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
1977
diff
changeset
|
135 |
base_url = kwargs.pop('base_url', None) |
0 | 136 |
if base_url is None: |
137 |
base_url = self.base_url() |
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138 |
if '_restpath' in kwargs: |
|
139 |
assert method == 'view', method |
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140 |
path = kwargs.pop('_restpath') |
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141 |
else: |
|
142 |
path = method |
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143 |
if not kwargs: |
|
144 |
return u'%s%s' % (base_url, path) |
|
145 |
return u'%s%s?%s' % (base_url, path, self.build_url_params(**kwargs)) |
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parents:
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146 |
|
0 | 147 |
|
148 |
def build_url_params(self, **kwargs): |
|
149 |
"""return encoded params to incorporate them in an URL""" |
|
150 |
args = [] |
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151 |
for param, values in kwargs.items(): |
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152 |
if not isinstance(values, (list, tuple)): |
|
153 |
values = (values,) |
|
154 |
for value in values: |
|
155 |
args.append(u'%s=%s' % (param, self.url_quote(value))) |
|
156 |
return '&'.join(args) |
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157 |
||
158 |
def url_quote(self, value, safe=''): |
|
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"""urllib.quote is not unicode safe, use this method to do the |
|
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necessary encoding / decoding. Also it's designed to quote each |
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part of a url path and so the '/' character will be encoded as well. |
|
162 |
""" |
|
163 |
if isinstance(value, unicode): |
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164 |
quoted = urlquote(value.encode(self.encoding), safe=safe) |
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return unicode(quoted, self.encoding) |
|
166 |
return urlquote(str(value), safe=safe) |
|
167 |
||
168 |
def url_unquote(self, quoted): |
|
169 |
"""returns a unicode unquoted string |
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parents:
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|
170 |
|
0 | 171 |
decoding is based on `self.encoding` which is the encoding |
172 |
used in `url_quote` |
|
173 |
""" |
|
174 |
if isinstance(quoted, unicode): |
|
175 |
quoted = quoted.encode(self.encoding) |
|
176 |
try: |
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177 |
return unicode(urlunquote(quoted), self.encoding) |
|
178 |
except UnicodeDecodeError: # might occurs on manually typed URLs |
|
179 |
return unicode(urlunquote(quoted), 'iso-8859-1') |
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sylvain.thenault@logilab.fr
parents:
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0 | 181 |
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182 |
# session's user related methods ##################################### |
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parents:
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|
183 |
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0 | 184 |
@cached |
185 |
def user_data(self): |
|
186 |
"""returns a dictionnary with this user's information""" |
|
187 |
userinfo = {} |
|
188 |
if self.is_internal_session: |
|
189 |
userinfo['login'] = "cubicweb" |
|
190 |
userinfo['name'] = "cubicweb" |
|
191 |
userinfo['email'] = "" |
|
192 |
return userinfo |
|
193 |
user = self.actual_session().user |
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194 |
rql = "Any F,S,A where U eid %(x)s, U firstname F, U surname S, U primary_email E, E address A" |
|
195 |
try: |
|
196 |
firstname, lastname, email = self.execute(rql, {'x': user.eid}, 'x')[0] |
|
197 |
if firstname is None and lastname is None: |
|
198 |
userinfo['name'] = '' |
|
199 |
else: |
|
200 |
userinfo['name'] = ("%s %s" % (firstname, lastname)) |
|
201 |
userinfo['email'] = email |
|
202 |
except IndexError: |
|
203 |
userinfo['name'] = None |
|
204 |
userinfo['email'] = None |
|
205 |
userinfo['login'] = user.login |
|
206 |
return userinfo |
|
207 |
||
208 |
def is_internal_session(self): |
|
209 |
"""overrided on the server-side""" |
|
210 |
return False |
|
211 |
||
212 |
# abstract methods to override according to the web front-end ############# |
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parents:
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213 |
|
0 | 214 |
def base_url(self): |
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1294a6bdf3bf
application -> instance where it makes sense
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parents:
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|
215 |
"""return the root url of the instance""" |
0 | 216 |
raise NotImplementedError |
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parents:
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|
217 |
|
0 | 218 |
def decorate_rset(self, rset): |
219 |
"""add vreg/req (at least) attributes to the given result set """ |
|
220 |
raise NotImplementedError |
|
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parents:
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|
221 |
|
0 | 222 |
def describe(self, eid): |
223 |
"""return a tuple (type, sourceuri, extid) for the entity with id <eid>""" |
|
224 |
raise NotImplementedError |
|
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0 | 226 |
|
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|
227 |
# XXX 2.45 is allowing nicer entity type names, use this map for bw compat |
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|
228 |
ETYPE_NAME_MAP = {# 3.2 migration |
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|
229 |
'ECache': 'CWCache', |
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parents:
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|
230 |
'EUser': 'CWUser', |
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parents:
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changeset
|
231 |
'EGroup': 'CWGroup', |
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parents:
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changeset
|
232 |
'EProperty': 'CWProperty', |
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|
233 |
'EFRDef': 'CWAttribute', |
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parents:
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diff
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|
234 |
'ENFRDef': 'CWRelation', |
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parents:
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diff
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|
235 |
'ERType': 'CWRType', |
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parents:
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|
236 |
'EEType': 'CWEType', |
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|
237 |
'EConstraintType': 'CWConstraintType', |
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|
238 |
'EConstraint': 'CWConstraint', |
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|
239 |
'EPermission': 'CWPermission', |
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|
240 |
# 2.45 migration |
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|
241 |
'Eetype': 'CWEType', |
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242 |
'Ertype': 'CWRType', |
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243 |
'Efrdef': 'CWAttribute', |
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'Enfrdef': 'CWRelation', |
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'Econstraint': 'CWConstraint', |
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'Econstrainttype': 'CWConstraintType', |
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'Epermission': 'CWPermission', |
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'Egroup': 'CWGroup', |
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'Euser': 'CWUser', |
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'Eproperty': 'CWProperty', |
0 | 251 |
'Emailaddress': 'EmailAddress', |
252 |
'Rqlexpression': 'RQLExpression', |
|
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'Trinfo': 'TrInfo', |
|
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} |
|
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||
256 |
||
257 |
||
258 |
# XXX cubic web cube migration map |
|
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CW_MIGRATION_MAP = {'erudi': 'cubicweb', |
|
260 |
||
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'eaddressbook': 'addressbook', |
|
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'ebasket': 'basket', |
|
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'eblog': 'blog', |
|
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'ebook': 'book', |
|
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'ecomment': 'comment', |
|
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'ecompany': 'company', |
|
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'econference': 'conference', |
|
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'eemail': 'email', |
|
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'eevent': 'event', |
|
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'eexpense': 'expense', |
|
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'efile': 'file', |
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'einvoice': 'invoice', |
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'elink': 'link', |
|
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'emailinglist': 'mailinglist', |
|
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'eperson': 'person', |
|
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'eshopcart': 'shopcart', |
|
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'eskillmat': 'skillmat', |
|
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'etask': 'task', |
|
279 |
'eworkcase': 'workcase', |
|
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'eworkorder': 'workorder', |
|
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'ezone': 'zone', |
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'i18ncontent': 'i18ncontent', |
|
283 |
'svnfile': 'vcsfile', |
|
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|
0 | 285 |
'eclassschemes': 'keyword', |
286 |
'eclassfolders': 'folder', |
|
287 |
'eclasstags': 'tag', |
|
288 |
||
289 |
'jpl': 'jpl', |
|
290 |
'jplintra': 'jplintra', |
|
291 |
'jplextra': 'jplextra', |
|
292 |
'jplorg': 'jplorg', |
|
293 |
'jplrecia': 'jplrecia', |
|
294 |
'crm': 'crm', |
|
295 |
'agueol': 'agueol', |
|
296 |
'docaster': 'docaster', |
|
297 |
'asteretud': 'asteretud', |
|
298 |
} |
|
231
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299 |
|
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def neg_role(role): |
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if role == 'subject': |
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return 'object' |
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return 'subject' |
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304 |
|
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305 |
def role(obj): |
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try: |
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307 |
return obj.role |
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except AttributeError: |
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|
309 |
return neg_role(obj.target) |
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|
310 |
|
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|
311 |
def target(obj): |
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try: |
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|
313 |
return obj.target |
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|
314 |
except AttributeError: |
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some mini function to ease role (subject/object) manipulation
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parents:
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changeset
|
315 |
return neg_role(obj.role) |
1498
2c6eec0b46b9
fix imports, cleanup, repair some ajax calls
sylvain.thenault@logilab.fr
parents:
1398
diff
changeset
|
316 |
|
2395
e3093fc12a00
[cw-ctl] improve dialog messages
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents:
1977
diff
changeset
|
317 |
def underline_title(title, car='-'): |
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[cw-ctl] improve dialog messages
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents:
1977
diff
changeset
|
318 |
return title+'\n'+(car*len(title)) |
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[cw-ctl] improve dialog messages
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents:
1977
diff
changeset
|
319 |