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[Plinn.git] / utils.py

diff --git a/utils.py b/utils.py
index 863b94e..024c975 100755 (executable)
--- a/utils.py
+++ b/utils.py
@@ -27,6 +27,8 @@ import re
 from types import StringType
 from random import randrange
 from Acquisition import aq_base
 from types import StringType
 from random import randrange
 from Acquisition import aq_base

+from quopri import encodestring
+from zope.globalrequest import getRequest

 from AccessControl.PermissionRole import rolesForPermissionOn
 from AccessControl import ModuleSecurityInfo
 from AccessControl import getSecurityManager
 from AccessControl.PermissionRole import rolesForPermissionOn
 from AccessControl import ModuleSecurityInfo
 from AccessControl import getSecurityManager


@@ -49,234 +51,272 @@ security = ModuleSecurityInfo( 'Products.Plinn.utils' )
 
 security.declarePublic('thisObjectComeFromPortalSkin')
 def thisObjectComeFromPortalSkin(ob, portal=None):
 
 security.declarePublic('thisObjectComeFromPortalSkin')
 def thisObjectComeFromPortalSkin(ob, portal=None):

-       """ check if ob comes from portal_skins """
-       if not portal :
-               portal = getToolByName(ob, 'portal_url')
-               portal = portal.getPortalObject()
-       
-       if ob.aq_self == portal.aq_self :
-               return False
-       
-       obId = ob.id
-       if callable(obId) :
-               obId = obId()
-       
-       sob = getattr(portal, obId, None)
-               
-       if sob is None :
-               return False
-       elif not(sob.aq_inner.aq_self is ob.aq_inner.aq_self) :
-               return False
-       else :
-               try :
-                       portal._checkId(obId)
-                       return True
-               except BadRequest :
-                       return False
+    """ check if ob comes from portal_skins """
+    if not portal :
+        portal = getToolByName(ob, 'portal_url')
+        portal = portal.getPortalObject()
+    
+    if ob.aq_self == portal.aq_self :
+        return False
+    
+    obId = ob.id
+    if callable(obId) :
+        obId = obId()
+    
+    sob = getattr(portal, obId, None)
+        
+    if sob is None :
+        return False
+    elif not(sob.aq_inner.aq_self is ob.aq_inner.aq_self) :
+        return False
+    else :
+        try :
+            portal._checkId(obId)
+            return True
+        except BadRequest :
+            return False

 
 security.declarePublic('listActionProviders_')
 def listActionProviders_(context) :
 
 security.declarePublic('listActionProviders_')
 def listActionProviders_(context) :

-       atool = getToolByName(context, 'portal_actions')
-       return atool.listActionProviders()
+    atool = getToolByName(context, 'portal_actions')
+    return atool.listActionProviders()

 
 def capitalizeCompoundGivenName(givenName) :
 
 def capitalizeCompoundGivenName(givenName) :

-       givenName = givenName.strip()
-       givenNames = ' '.join(givenName.split('-')).split()
-       givenNameCapitalized = '-'.join(map(string.capitalize, givenNames))
-       return givenNameCapitalized
-                               
-                        
+    givenName = givenName.strip()
+    givenNames = ' '.join(givenName.split('-')).split()
+    givenNameCapitalized = '-'.join(map(string.capitalize, givenNames))
+    return givenNameCapitalized
+                
+             

 def formatFullName(memberName, memberGivenName, memberId, nameBefore=1) :
 def formatFullName(memberName, memberGivenName, memberId, nameBefore=1) :

-       memberName = memberName.decode('utf-8')
-       memberGivenName = memberGivenName.decode('utf-8')
-       memberFullName = u''
-       if memberName and memberGivenName :
-               if nameBefore :
-                       memberFullName = memberName.upper() + ' ' + capitalizeCompoundGivenName(memberGivenName)
-               else :
-                       memberFullName = capitalizeCompoundGivenName(memberGivenName) + ' ' + memberName.upper() 
-               
-       elif memberName and not memberGivenName :
-               memberFullName = memberName.upper()
-               
-       elif not memberName and memberGivenName :
-               memberFullName = capitalizeCompoundGivenName(memberGivenName)
-               
-       else :
-               memberFullName = memberId
-       
-       return memberFullName.encode('utf-8')
+    memberName = memberName.decode('utf-8')
+    memberGivenName = memberGivenName.decode('utf-8')
+    memberFullName = u''
+    if memberName and memberGivenName :
+        if nameBefore :
+            memberFullName = memberName.capitalize() + ' ' + capitalizeCompoundGivenName(memberGivenName)
+        else :
+            memberFullName = capitalizeCompoundGivenName(memberGivenName) + ' ' + memberName.capitalize() 
+        
+    elif memberName and not memberGivenName :
+        memberFullName = memberName.capitalize()
+        
+    elif not memberName and memberGivenName :
+        memberFullName = capitalizeCompoundGivenName(memberGivenName)
+        
+    else :
+        memberFullName = memberId
+    
+    return memberFullName.encode('utf-8')

 
 # from OFS.ObjectManager #63
 bad_url_chars = re.compile(r'[^a-zA-Z0-9-_~,.$\(\)@]')
 
 security.declarePublic('makeValidId')
 def makeValidId(self, id, allow_dup=0):
 
 # from OFS.ObjectManager #63
 bad_url_chars = re.compile(r'[^a-zA-Z0-9-_~,.$\(\)@]')
 
 security.declarePublic('makeValidId')
 def makeValidId(self, id, allow_dup=0):

-       id = Utf8Utils.desacc(id)
-       id = bad_url_chars.sub('-', id)
-       # If allow_dup is false, an error will be raised if an object
-       # with the given id already exists. If allow_dup is true,
-       # only check that the id string contains no illegal chars;
-       # check_valid_id() will be called again later with allow_dup
-       # set to false before the object is added.
-       
-       makeRandomId = False
-       if id in ('.', '..'):
-               makeRandomId = True
-       if id.startswith('_'):
-               id = id.lstrip('_')
-       if id.startswith('aq_'): 
-               id = id[3:]
-       
-       while id.endswith('__') :
-               id = id[:-1]
-       if not allow_dup:
-               obj = getattr(self, id, None)
-               if obj is not None:
-                       # An object by the given id exists either in this
-                       # ObjectManager or in the acquisition path.
-                       flags = getattr(obj, '__replaceable__', NOT_REPLACEABLE)
-                       if hasattr(aq_base(self), id):
-                               # The object is located in this ObjectManager.
-                               if not flags & REPLACEABLE:
-                                       makeRandomId = True
-                               # else the object is replaceable even if the UNIQUE
-                               # flag is set.
-                       elif flags & UNIQUE:
-                               makeRandomId = True
-       if id == 'REQUEST':
-               makeRandomId = True
-       
-       if makeRandomId is True :
-               id = str(randrange(2,10000)) + id
-       return id
-       
-       
+    id = Utf8Utils.desacc(id)
+    id = bad_url_chars.sub('-', id)
+    # If allow_dup is false, an error will be raised if an object
+    # with the given id already exists. If allow_dup is true,
+    # only check that the id string contains no illegal chars;
+    # check_valid_id() will be called again later with allow_dup
+    # set to false before the object is added.
+    
+    makeRandomId = False
+    if id in ('.', '..'):
+        makeRandomId = True
+    if id.startswith('_'):
+        id = id.lstrip('_')
+    if id.startswith('aq_'): 
+        id = id[3:]
+    
+    while id.endswith('__') :
+        id = id[:-1]
+    if not allow_dup:
+        obj = getattr(self, id, None)
+        if obj is not None:
+            # An object by the given id exists either in this
+            # ObjectManager or in the acquisition path.
+            flags = getattr(obj, '__replaceable__', NOT_REPLACEABLE)
+            if hasattr(aq_base(self), id):
+                # The object is located in this ObjectManager.
+                if not flags & REPLACEABLE:
+                    makeRandomId = True
+                # else the object is replaceable even if the UNIQUE
+                # flag is set.
+            elif flags & UNIQUE:
+                makeRandomId = True
+    if id == 'REQUEST':
+        makeRandomId = True
+    
+    if makeRandomId is True :
+        id = str(randrange(2,10000)) + id
+    return id
+    
+    

 
 def _checkMemberPermission(userid, permission, obj, StringType = type('')):
 
 def _checkMemberPermission(userid, permission, obj, StringType = type('')):

-       user = obj.aq_inner.acl_users.getUser(userid)
-       roles = rolesForPermissionOn(permission, obj)
-       if type(roles) is StringType:
-               roles=[roles]
-       if user.allowed( obj, roles ):
-               return 1
-       return 0
-       
+    user = obj.aq_inner.acl_users.getUser(userid)
+    roles = rolesForPermissionOn(permission, obj)
+    if type(roles) is StringType:
+        roles=[roles]
+    if user.allowed( obj, roles ):
+        return 1
+    return 0
+    

 def getCPInfo(self) :
 def getCPInfo(self) :

-       try: cp = _cb_decode(self.REQUEST['__cp'])
-       except: return None
-       return cp
+    if self.REQUEST.RESPONSE.cookies.has_key('__cp') :
+        cp = self.REQUEST.RESPONSE.cookies['__cp']['value']
+    else :
+        cp = self.REQUEST.get('__cp')
+    try: cp = _cb_decode(cp)
+    except: return None
+    return cp

 
 
 def popCP(self, indexes=None) :
 
 
 def popCP(self, indexes=None) :

-       try: cp = _cb_decode(self.REQUEST['__cp'])
-       except: return
-       
-       paths = list(cp[1])
-       if indexes is not None :
-               indexes = list(indexes)
-               indexes.sort()
-               indexes.reverse()
-               for index in indexes :
-                       paths.pop(index)
-       else :
-               paths.pop()
-       
-       if not paths :
-               self.REQUEST.RESPONSE.expireCookie('__cp', path=self.REQUEST['BASEPATH1'] or "/")
-       else :
-               paths = tuple(paths)
-               cp = _cb_encode( (cp[0], paths) )
-               resp = self.REQUEST['RESPONSE']
-               resp.setCookie('__cp', cp, path='%s' % cookie_path(self.REQUEST))
+    try: cp = _cb_decode(self.REQUEST['__cp'])
+    except: return
+    
+    paths = list(cp[1])
+    if indexes is not None :
+        indexes = list(indexes)
+        indexes.sort()
+        indexes.reverse()
+        for index in indexes :
+            paths.pop(index)
+    else :
+        paths.pop()
+    
+    if not paths :
+        self.REQUEST.RESPONSE.expireCookie('__cp', path=self.REQUEST['BASEPATH1'] or "/")
+    else :
+        paths = tuple(paths)
+        cp = _cb_encode( (cp[0], paths) )
+        resp = self.REQUEST['RESPONSE']
+        resp.setCookie('__cp', cp, path='%s' % cookie_path(self.REQUEST))

 
 security.declarePublic('Message')
 Message = MessageFactory('plinn')
 
 security.declarePublic('translate')
 
 security.declarePublic('Message')
 Message = MessageFactory('plinn')
 
 security.declarePublic('translate')

-def translate(message, context):
-       """ Translate i18n message.
-       """
-       if isinstance(message, Exception):
-               try:
-                       message = message[0]
-               except (TypeError, IndexError):
-                       pass
-       return i18ntranslate(message, domain='plinn', context=context.REQUEST)
+def translate(message, context=None):
+    """ Translate i18n message.
+    """
+    if isinstance(message, Exception):
+        try:
+            message = message[0]
+        except (TypeError, IndexError):
+            pass
+    if not context :
+        request = getRequest()
+    else :
+        request = context.REQUEST
+    return i18ntranslate(message, domain='plinn', context=request)

 
 security.declarePublic('desacc')
 desacc = Utf8Utils.desacc
 
 security.declarePublic('getPreferredLanguages')
 def getPreferredLanguages(context):
 
 security.declarePublic('desacc')
 desacc = Utf8Utils.desacc
 
 security.declarePublic('getPreferredLanguages')
 def getPreferredLanguages(context):

-       """ returns browser prefered languages"""
-       request = getattr(context, 'REQUEST', None)
-       if request is not None :
-               adapter = IUserPreferredLanguages(request, None)
-               if adapter is not None :
-                       return adapter.getPreferredLanguages()
-       return []
+    """ returns browser prefered languages"""
+    request = getattr(context, 'REQUEST', None)
+    if request is not None :
+        adapter = IUserPreferredLanguages(request, None)
+        if adapter is not None :
+            return adapter.getPreferredLanguages()
+    return []

 
 security.declarePublic('getBestTranslationLanguage')
 def getBestTranslationLanguage(langs, context):
 
 security.declarePublic('getBestTranslationLanguage')
 def getBestTranslationLanguage(langs, context):

-       """ returns best translation language according
-               availables languages (param langs)
-               and user preferences (retrieves by context)
-       """
-       request = getattr(context, 'REQUEST', None)
-       if request :
-               negociator = getUtilityByInterfaceName('zope.i18n.interfaces.INegotiator')
-               return negociator.getLanguage(langs, request) or langs[0]
-       else :
-               return langs[0]
+    """ returns best translation language according
+        availables languages (param langs)
+        and user preferences (retrieves by context)
+    """
+    request = getattr(context, 'REQUEST', None)
+    if request :
+        negociator = getUtilityByInterfaceName('zope.i18n.interfaces.INegotiator')
+        return negociator.getLanguage(langs, request) or langs[0]
+    else :
+        return langs[0]

 
 security.declarePublic('getAdapterByInterface')
 def getAdapterByInterface(ob, dotted_name, default=_marker) :
 
 security.declarePublic('getAdapterByInterface')
 def getAdapterByInterface(ob, dotted_name, default=_marker) :

-       """ Get the adapter which provides the interface on the given object.
-       """
-       try:
-               iface = resolve_dotted_name(dotted_name)
-       except ImportError:
-               if default is _marker:
-                       raise ComponentLookupError, dotted_name
-               return default
+    """ Get the adapter which provides the interface on the given object.
+    """
+    try:
+        iface = resolve_dotted_name(dotted_name)
+    except ImportError:
+        if default is _marker:
+            raise ComponentLookupError, dotted_name
+        return default

 
 

-       adapter = queryAdapter(ob, iface, default=default)
-       if adapter is _marker :
-               raise ComponentLookupError, "no adapter providing %r found on %r" % (dotted_name, ob)
+    adapter = queryAdapter(ob, iface, default=default)
+    if adapter is _marker :
+        raise ComponentLookupError, "no adapter providing %r found on %r" % (dotted_name, ob)
+
+    # the adapter must be wrapped to allow security mahinery to work.
+    if adapter != default :
+        return adapter.__of__(ob)
+    else :
+        return default
+
+security.declarePublic('encodeQuopriEmail')
+def encodeQuopriEmail(name, email) :
+    qpName = encodestring(name).replace('=\n', '')
+    return '''"=?utf-8?q?%s?=" <%s>''' % (qpName, email)
+
+security.declarePublic('encodeMailHeader')
+def encodeMailHeader(content) :
+    s = encodestring(content).replace('=\n', '')
+    s = s.replace('_', '=5F')
+    s = s.replace(' ', '_')
+
+    lines = []
+    STEP = 50
+    start = 0
+    stop = STEP
+    part = s[start:stop]
+    lines.append(part)
+
+    while len(part) == STEP:
+        start = start + STEP
+        stop = stop + STEP
+        part = s[start:stop]
+        lines.append(part)
+    
+    lines = [' =?utf-8?Q?%s?=' % part for part in lines]
+    s = '\n'.join(lines)
+    s = s.strip()
+    return s

 
 

-       # the adapter must be wrapped to allow security mahinery to work.
-       if adapter != default :
-               return adapter.__of__(ob)
-       else :
-               return default

 
 def _sudo(func, userid=None) :
 
 def _sudo(func, userid=None) :

-       """
-       execute func or any callable object
-       without restriction. Used to switch off
-       security assertions (eg. checkPermission) encountered
-       during the execution.
-       """
-       
-       sm = getSecurityManager()
-       restrictedUser = sm.getUser()
-       
-       if not userid :
-               userid = restrictedUser.getId()
-       
-       sm._context.user = UnrestrictedUser(userid, '', (), ())
+    """
+    execute func or any callable object
+    without restriction. Used to switch off
+    security assertions (eg. checkPermission) encountered
+    during the execution.
+    """
+    
+    sm = getSecurityManager()
+    restrictedUser = sm.getUser()
+    
+    if not userid :
+        userid = restrictedUser.getId()
+    
+    sm._context.user = UnrestrictedUser(userid, '', (), ())

 
 

-       deferedEx = None
-       try :
-               ret = func()
-       except Exception, e :
-               deferedEx = e
-       
-       sm._context.user = restrictedUser
-       
-       if deferedEx is not None :
-               raise e
+    deferedEx = None
+    try :
+        ret = func()
+    except Exception, e :
+        deferedEx = e
+    
+    sm._context.user = restrictedUser
+    
+    if deferedEx is not None :
+        raise e

 
 

-       return ret
-       
\ No newline at end of file
+    return ret
+    
\ No newline at end of file