def __call__(self, md):
# md is a TemplateDict instance.
eval = self._v_eval
if eval is None:
text = self.text
if expr_globals is not None:
eval = Eval(text, expr_globals)
else:
eval = Eval(text)
self._v_eval = eval
md.validate = self.validate # Zope 2.3.x
md.read_guard = self.read_guard # Zope 2.4.x
return eval.eval(md)
class GettextTag:
""" """
name = 'gettext'
blockContinuations = ()
def __init__(self, blocks):
tname, args, section = blocks[0]
self.section = section.blocks
args = parse_params(args, lang=None, lang_expr=None, verbatim=1,
catalog=None, data=None)
self.lang = name_or_expr(args, 'lang', 'lang_expr', None)
self.verbatim = args.get('', None) == 'verbatim' \
or args.get('verbatim', None)
self.catalog = args.get('catalog', None)
self.data = args.get('data', None)
if self.data is not None:
self.data = Eval(self.data)
def __call__(self, md):
# In which language, if any?
lang = self.lang
if lang is not None and type(lang) is not str:
lang = lang.eval(md)
# Get the message!!
ns = namespace(md)[0]
md._push(InstanceDict(ns, md))
message = render_blocks(self.section, md)
md._pop(1)
# Interpret the message as verbatim or not
if not self.verbatim:
message = ' '.join([ x.strip() for x in message.split() ])
# Search in a specific catalog
if self.catalog is None:
gettext = md.getitem('gettext', 0)
else:
gettext = md.getitem(self.catalog, 0).gettext
translation = gettext(message, lang)
# Variable substitution
if self.data is not None:
data = self.data.eval(md)
translation = translation % data
return translation
def __init__(self, blocks):
tname, args, section = blocks[0]
self.section = section.blocks
args = parse_params(args, lang=None, lang_expr=None, verbatim=1, catalog=None, data=None)
self.lang = name_or_expr(args, "lang", "lang_expr", None)
self.verbatim = args.get("", None) == "verbatim" or args.get("verbatim", None)
self.catalog = args.get("catalog", None)
self.data = args.get("data", None)
if self.data is not None:
self.data = Eval(self.data)
def __init__(self, blocks):
tname, args, section = blocks[0]
self.section = section.blocks
args = parse_params(args, lang=None, lang_expr=None, verbatim=1,
catalog=None, data=None)
self.lang = name_or_expr(args, 'lang', 'lang_expr', None)
self.verbatim = args.get('', None) == 'verbatim' \
or args.get('verbatim', None)
self.catalog = args.get('catalog', None)
self.data = args.get('data', None)
if self.data is not None:
self.data = Eval(self.data)
def ZopeFind(self,
obj,
obj_ids=None,
obj_metatypes=None,
obj_searchterm=None,
obj_expr=None,
obj_mtime=None,
obj_mspec=None,
obj_permission=None,
obj_roles=None,
search_sub=0,
REQUEST=None,
result=None,
pre=''):
"""Zope Find interface"""
if result is None:
result = []
if obj_metatypes and 'all' in obj_metatypes:
obj_metatypes = None
if obj_mtime and type(obj_mtime) == type('s'):
obj_mtime = DateTime(obj_mtime).timeTime()
if obj_permission:
obj_permission = p_name(obj_permission)
if obj_roles and type(obj_roles) is type('s'):
obj_roles = [obj_roles]
if obj_expr:
# Setup expr machinations
md = td()
obj_expr = (Eval(obj_expr), md, md._push, md._pop)
base = aq_base(obj)
if hasattr(base, 'objectItems'):
try:
items = obj.objectItems()
except:
return result
else:
return result
try:
add_result = result.append
except:
raise AttributeError, ` result `
for id, ob in items:
if pre: p = "%s/%s" % (pre, id)
else: p = id
dflag = 0
if hasattr(ob, '_p_changed') and (ob._p_changed == None):
dflag = 1
bs = aq_base(ob)
if (
(not obj_ids or absattr(bs.getId()) in obj_ids)
and
(not obj_metatypes or (hasattr(bs, 'meta_type') and
bs.meta_type in obj_metatypes))
and
(not obj_searchterm or
(hasattr(ob, 'PrincipiaSearchSource') and
ob.PrincipiaSearchSource().find(str(obj_searchterm)) >= 0
)
or
(hasattr(ob, 'SearchableText') and
ob.SearchableText().find(str(obj_searchterm)) >= 0)
)
and
(not obj_expr or expr_match(ob, obj_expr))
and
(not obj_mtime or mtime_match(ob, obj_mtime, obj_mspec))
and
( (not obj_permission or not obj_roles) or \
role_match(ob, obj_permission, obj_roles)
)
):
add_result((p, ob))
dflag = 0
if search_sub and (hasattr(bs, 'objectItems')):
subob = ob
sub_p = p
self.ZopeFind(subob, obj_ids, obj_metatypes, obj_searchterm,
obj_expr, obj_mtime, obj_mspec, obj_permission,
obj_roles, search_sub, REQUEST, result, sub_p)
if dflag: ob._p_deactivate()
return result
def ZopeFindAndApply(self,
obj,
obj_ids=None,
obj_metatypes=None,
obj_searchterm=None,
obj_expr=None,
obj_mtime=None,
obj_mspec=None,
obj_permission=None,
obj_roles=None,
search_sub=0,
REQUEST=None,
result=None,
pre='',
apply_func=None,
apply_path=''):
"""Zope Find interface and apply."""
if result is None:
result = []
if obj_metatypes and 'all' in obj_metatypes:
obj_metatypes = None
if obj_mtime and isinstance(obj_mtime, str):
obj_mtime = DateTime(obj_mtime).timeTime()
if obj_permission:
obj_permission = getPermissionIdentifier(obj_permission)
if obj_roles and isinstance(obj_roles, str):
obj_roles = [obj_roles]
if obj_expr:
# Setup expr machinations
md = td()
obj_expr = (Eval(obj_expr), md, md._push, md._pop)
base = aq_base(obj)
if not hasattr(base, 'objectItems'):
return result
try:
items = obj.objectItems()
except Exception:
return result
try:
add_result = result.append
except Exception:
raise AttributeError(repr(result))
for id, ob in items:
if pre:
p = f"{pre}/{id}"
else:
p = id
dflag = 0
if hasattr(ob, '_p_changed') and (ob._p_changed is None):
dflag = 1
bs = aq_base(ob)
if obj_searchterm:
if isinstance(obj_searchterm, TaintedString):
obj_searchterm = str(obj_searchterm)
if not isinstance(obj_searchterm, str):
obj_searchterm = obj_searchterm.decode(
default_encoding)
if hasattr(ob, 'PrincipiaSearchSource'):
pss = ob.PrincipiaSearchSource()
if not isinstance(pss, str):
try:
pss = pss.decode(default_encoding)
except UnicodeDecodeError:
pss = ''
if hasattr(ob, 'SearchableText'):
st = ob.SearchableText()
if not isinstance(st, str):
try:
st = st.decode(default_encoding)
except UnicodeDecodeError:
st = ''
else:
pss = st = ''
if ((not obj_ids or absattr(bs.getId()) in obj_ids) and
(not obj_metatypes or
(hasattr(bs, 'meta_type') and bs.meta_type in obj_metatypes))
and
(not obj_searchterm or (hasattr(ob, 'PrincipiaSearchSource')
and obj_searchterm in pss) or
(hasattr(ob, 'SearchableText') and obj_searchterm in st))
and (not obj_expr or expr_match(ob, obj_expr)) and
(not obj_mtime or mtime_match(ob, obj_mtime, obj_mspec))
and ((not obj_permission or not obj_roles)
or role_match(ob, obj_permission, obj_roles))):
if apply_func:
apply_func(ob, (apply_path + '/' + p))
else:
add_result((p, ob))
dflag = 0
if search_sub and hasattr(bs, 'objectItems'):
self.ZopeFindAndApply(ob, obj_ids, obj_metatypes,
obj_searchterm, obj_expr, obj_mtime,
obj_mspec, obj_permission, obj_roles,
search_sub, REQUEST, result, p,
apply_func, apply_path)
if dflag:
ob._p_deactivate()
return result
def ZopeFindAndApply(self,
obj,
obj_ids=None,
obj_metatypes=None,
obj_searchterm=None,
obj_expr=None,
obj_mtime=None,
obj_mspec=None,
obj_permission=None,
obj_roles=None,
search_sub=0,
REQUEST=None,
result=None,
pre='',
apply_func=None,
apply_path=''):
"""Zope Find interface and apply
This is a *great* hack. Zope find just doesn't do what we
need here; the ability to apply a method to all the objects
*as they're found* and the need to pass the object's path into
that method.
"""
if result is None:
result = []
if obj_metatypes and 'all' in obj_metatypes:
obj_metatypes = None
if obj_mtime and isinstance(obj_mtime, str):
obj_mtime = DateTime(obj_mtime).timeTime()
if obj_permission:
obj_permission = p_name(obj_permission)
if obj_roles and isinstance(obj_roles, str):
obj_roles = [obj_roles]
if obj_expr:
# Setup expr machinations
md = td()
obj_expr = (Eval(obj_expr), md, md._push, md._pop)
base = aq_base(obj)
if not hasattr(base, 'objectItems'):
return result
try:
items = obj.objectItems()
except Exception:
return result
try:
add_result = result.append
except Exception:
raise AttributeError(repr(result))
for id, ob in items:
if pre:
p = "%s/%s" % (pre, id)
else:
p = id
dflag = 0
if hasattr(ob, '_p_changed') and (ob._p_changed == None):
dflag = 1
bs = aq_base(ob)
if ((not obj_ids or absattr(bs.id) in obj_ids) and
(not obj_metatypes or
(hasattr(bs, 'meta_type') and bs.meta_type in obj_metatypes))
and
(not obj_searchterm or
(hasattr(ob, 'PrincipiaSearchSource')
and ob.PrincipiaSearchSource().find(obj_searchterm) >= 0))
and (not obj_expr or expr_match(ob, obj_expr)) and
(not obj_mtime or mtime_match(ob, obj_mtime, obj_mspec))
and ((not obj_permission or not obj_roles)
or role_match(ob, obj_permission, obj_roles))):
if apply_func:
apply_func(ob, (apply_path + '/' + p))
else:
add_result((p, ob))
dflag = 0
if search_sub and hasattr(bs, 'objectItems'):
self.ZopeFindAndApply(ob, obj_ids, obj_metatypes,
obj_searchterm, obj_expr, obj_mtime,
obj_mspec, obj_permission, obj_roles,
search_sub, REQUEST, result, p,
apply_func, apply_path)
if dflag:
ob._p_deactivate()
return result
def __init__(self, blocks):
tname, args, section = blocks[0]
args=parse_params(args, name='', start='1',end='-1',size='10',
orphan='0',overlap='1',mapping=1,
no_push_item=1,
skip_unauthorized=1,
previous=1, next=1, expr='', sort='',
reverse=1, sort_expr='', reverse_expr='',
prefix='')
self.args=args
has_key=args.has_key
if has_key('sort'):
self.sort=sort=args['sort']
if sort=='sequence-item': self.sort=''
if has_key('sort_expr'):
self.sort_expr=Eval(args['sort_expr'])
if has_key('reverse_expr'):
self.reverse_expr=Eval(args['reverse_expr'])
if has_key('reverse'):
self.reverse=args['reverse']
if has_key('no_push_item'):
self.no_push_item=args['no_push_item']
if has_key('mapping'): self.mapping=args['mapping']
for n in 'start', 'size', 'end':
if has_key(n): self.batch=1
prefix = args.get('prefix')
if prefix and not simple_name(prefix):
raise ParseError, _tm(
'prefix is not a simple name', 'in')
for n in 'orphan','overlap','previous','next':
if has_key(n) and not self.batch:
raise ParseError, (
"""
The %s attribute was used but neither of the
<code>start</code>, <code>end</code>, or <code>size</code>
attributes were used.
""" % n, 'in')
if has_key('start'):
v=args['start']
if type(v)==type(''):
try: int(v)
except:
self.start_name_re=re.compile(
'&+'+
''.join(["[%s]" % c for c in v])+
'=[0-9]+&+')
name,expr=name_param(args,'in',1)
if expr is not None: expr=expr.eval
self.__name__, self.expr = name, expr
self.section=section.blocks
if len(blocks) > 1:
if len(blocks) != 2: raise ParseError, (
'too many else blocks', 'in')
tname, args, section = blocks[1]
args=parse_params(args, name='')
if args:
ename=name_param(args)
if ename != name:
raise ParseError, (
'name in else does not match in', 'in')
self.elses=section.blocks
class InClass:
elses=None
expr=sort=batch=mapping=no_push_item=None
start_name_re=None
reverse=None
sort_expr=reverse_expr=None
def __init__(self, blocks):
tname, args, section = blocks[0]
args=parse_params(args, name='', start='1',end='-1',size='10',
orphan='0',overlap='1',mapping=1,
no_push_item=1,
skip_unauthorized=1,
previous=1, next=1, expr='', sort='',
reverse=1, sort_expr='', reverse_expr='',
prefix='')
self.args=args
has_key=args.has_key
if has_key('sort'):
self.sort=sort=args['sort']
if sort=='sequence-item': self.sort=''
if has_key('sort_expr'):
self.sort_expr=Eval(args['sort_expr'])
if has_key('reverse_expr'):
self.reverse_expr=Eval(args['reverse_expr'])
if has_key('reverse'):
self.reverse=args['reverse']
if has_key('no_push_item'):
self.no_push_item=args['no_push_item']
if has_key('mapping'): self.mapping=args['mapping']
for n in 'start', 'size', 'end':
if has_key(n): self.batch=1
prefix = args.get('prefix')
if prefix and not simple_name(prefix):
raise ParseError, _tm(
'prefix is not a simple name', 'in')
for n in 'orphan','overlap','previous','next':
if has_key(n) and not self.batch:
raise ParseError, (
"""
The %s attribute was used but neither of the
<code>start</code>, <code>end</code>, or <code>size</code>
attributes were used.
""" % n, 'in')
if has_key('start'):
v=args['start']
if type(v)==type(''):
try: int(v)
except:
self.start_name_re=re.compile(
'&+'+
''.join(["[%s]" % c for c in v])+
'=[0-9]+&+')
name,expr=name_param(args,'in',1)
if expr is not None: expr=expr.eval
self.__name__, self.expr = name, expr
self.section=section.blocks
if len(blocks) > 1:
if len(blocks) != 2: raise ParseError, (
'too many else blocks', 'in')
tname, args, section = blocks[1]
args=parse_params(args, name='')
if args:
ename=name_param(args)
if ename != name:
raise ParseError, (
'name in else does not match in', 'in')
self.elses=section.blocks
def renderwb(self, md):
expr=self.expr
name=self.__name__
if expr is None:
sequence=md[name]
cache={ name: sequence }
else:
sequence=expr(md)
cache=None
if not sequence:
if self.elses: return render_blocks(self.elses, md)
return ''
if type(sequence) is type(''):
raise ValueError, (
'Strings are not allowed as input to the in tag.')
section=self.section
params=self.args
mapping=self.mapping
no_push_item=self.no_push_item
if self.sort_expr is not None:
self.sort=self.sort_expr.eval(md)
sequence=self.sort_sequence(sequence, md)
elif self.sort is not None:
sequence=self.sort_sequence(sequence, md)
if self.reverse_expr is not None and self.reverse_expr.eval(md):
sequence=self.reverse_sequence(sequence)
elif self.reverse is not None:
sequence=self.reverse_sequence(sequence)
next=previous=0
try: start=int_param(params,md,'start',0)
except: start=1
end=int_param(params,md,'end',0)
size=int_param(params,md,'size',0)
overlap=int_param(params,md,'overlap',0)
orphan=int_param(params,md,'orphan','0')
start,end,sz=opt(start,end,size,orphan,sequence)
if params.has_key('next'): next=1
if params.has_key('previous'): previous=1
last=end-1
first=start-1
try: query_string=md['QUERY_STRING']
except: query_string=''
prefix = params.get('prefix')
vars = sequence_variables(sequence, '?'+query_string,
self.start_name_re, prefix)
kw=vars.data
pkw = add_with_prefix(kw, 'sequence', prefix)
for k, v in kw.items():
pkw[k] = v
pkw['sequence-step-size']=sz
pkw['sequence-step-overlap']=overlap
pkw['sequence-step-start']=start
pkw['sequence-step-end']=end
pkw['sequence-step-start-index']=start-1
pkw['sequence-step-end-index']=end-1
pkw['sequence-step-orphan']=orphan
kw['mapping']=mapping
push=md._push
pop=md._pop
render=render_blocks
if cache: push(cache)
push(vars)
try:
if previous:
if first > 0:
pstart,pend,psize=opt(0,first+overlap,
sz,orphan,sequence)
pkw['previous-sequence']=1
pkw['previous-sequence-start-index']=pstart-1
pkw['previous-sequence-end-index']=pend-1
pkw['previous-sequence-size']=pend+1-pstart
result=render(section,md)
elif self.elses: result=render(self.elses, md)
else: result=''
elif next:
try:
# The following line is a sneaky way to test whether
# there are more items, without actually
# computing a length:
sequence[end]
except IndexError:
if self.elses: result=render(self.elses, md)
else: result=''
else:
pstart,pend,psize=opt(end+1-overlap,0,
sz,orphan,sequence)
pkw['next-sequence']=1
pkw['next-sequence-start-index']=pstart-1
pkw['next-sequence-end-index']=pend-1
pkw['next-sequence-size']=pend+1-pstart
result=render(section,md)
else:
result = []
append=result.append
guarded_getitem = getattr(md, 'guarded_getitem', None)
for index in range(first,end):
# preset
pkw['previous-sequence']= 0
pkw['next-sequence']= 0 # now more often defined then previously
#
if index==first or index==last:
# provide batching information
if first > 0:
pstart,pend,psize=opt(0,first+overlap,
sz,orphan,sequence)
if index==first: pkw['previous-sequence']=1
pkw['previous-sequence-start-index']=pstart-1
pkw['previous-sequence-end-index']=pend-1
pkw['previous-sequence-size']=pend+1-pstart
try:
# The following line is a sneaky way to
# test whether there are more items,
# without actually computing a length:
sequence[end]
pstart,pend,psize=opt(end+1-overlap,0,
sz,orphan,sequence)
if index==last: pkw['next-sequence']=1
pkw['next-sequence-start-index']=pstart-1
pkw['next-sequence-end-index']=pend-1
pkw['next-sequence-size']=pend+1-pstart
except: pass
if index==last: pkw['sequence-end']=1
if guarded_getitem is not None:
try: client = guarded_getitem(sequence, index)
except ValidationError, vv:
if (params.has_key('skip_unauthorized') and
params['skip_unauthorized']):
if index==first: pkw['sequence-start']=0
continue
raise ValidationError, '(item %s): %s' % (
index, vv), sys.exc_info()[2]
else:
client = sequence[index]
pkw['sequence-index']=index
t = type(client)
if t is TupleType and len(client)==2:
client=client[1]
if no_push_item:
pushed = 0
elif mapping:
pushed = 1
push(client)
elif t in StringTypes:
pushed = 0
else:
pushed = 1
push(InstanceDict(client, md))
try: append(render(section, md))
finally:
if pushed:
pop()
if index==first: pkw['sequence-start']=0
result = join_unicode(result)
finally:
if cache: pop()
pop()
return result
def renderwob(self, md):
"""RENDER WithOutBatch"""
expr=self.expr
name=self.__name__
if expr is None:
sequence=md[name]
cache={ name: sequence }
else:
sequence=expr(md)
cache=None
if not sequence:
if self.elses: return render_blocks(self.elses, md)
return ''
if type(sequence) is type(''):
raise ValueError, (
'Strings are not allowed as input to the in tag.')
section=self.section
mapping=self.mapping
no_push_item=self.no_push_item
if self.sort_expr is not None:
self.sort=self.sort_expr.eval(md)
sequence=self.sort_sequence(sequence, md)
elif self.sort is not None:
sequence=self.sort_sequence(sequence, md)
if self.reverse_expr is not None and self.reverse_expr.eval(md):
sequence=self.reverse_sequence(sequence)
elif self.reverse is not None:
sequence=self.reverse_sequence(sequence)
prefix = self.args.get('prefix')
vars=sequence_variables(sequence, alt_prefix=prefix)
kw=vars.data
pkw = add_with_prefix(kw, 'sequence', prefix)
for k, v in kw.items():
pkw[k] = v
kw['mapping']=mapping
l=len(sequence)
last=l-1
push=md._push
pop=md._pop
render=render_blocks
if cache: push(cache)
push(vars)
try:
result = []
append=result.append
guarded_getitem = getattr(md, 'guarded_getitem', None)
for index in range(l):
if index==last: pkw['sequence-end']=1
if guarded_getitem is not None:
try: client = guarded_getitem(sequence, index)
except ValidationError, vv:
if (self.args.has_key('skip_unauthorized') and
self.args['skip_unauthorized']):
if index==1: pkw['sequence-start']=0
continue
raise ValidationError, '(item %s): %s' % (
index, vv), sys.exc_info()[2]
else:
client = sequence[index]
pkw['sequence-index']=index
t = type(client)
if t is TupleType and len(client)==2:
client=client[1]
if no_push_item:
pushed = 0
elif mapping:
pushed = 1
push(client)
elif t in StringTypes:
pushed = 0
else:
pushed = 1
push(InstanceDict(client, md))
try: append(render(section, md))
finally:
if pushed:
pop()
if index==0: pkw['sequence-start']=0
result = join_unicode(result)
finally:
class InClass(object):
elses = None
expr = sort = batch = mapping = no_push_item = None
start_name_re = None
reverse = None
sort_expr = reverse_expr = None
def __init__(self, blocks, encoding=None):
tname, args, section = blocks[0]
args = parse_params(args, name='', start='1', end='-1', size='10',
orphan='0', overlap='1', mapping=1,
no_push_item=1,
skip_unauthorized=1,
previous=1, next=1, expr='', sort='',
reverse=1, sort_expr='', reverse_expr='',
prefix='')
self.args = args
self.encoding = encoding
if 'sort' in args:
self.sort = sort = args['sort']
if sort == 'sequence-item':
self.sort = ''
if 'sort_expr' in args:
self.sort_expr = Eval(args['sort_expr'])
if 'reverse_expr' in args:
self.reverse_expr = Eval(args['reverse_expr'])
if 'reverse' in args:
self.reverse = args['reverse']
if 'no_push_item' in args:
self.no_push_item = args['no_push_item']
if 'mapping' in args:
self.mapping = args['mapping']
for n in 'start', 'size', 'end':
if n in args:
self.batch = 1
prefix = args.get('prefix')
if prefix and not simple_name(prefix):
raise ParseError('prefix is not a simple name', 'in')
for n in ('orphan', 'overlap', 'previous', 'next'):
if n in args and not self.batch:
raise ParseError(
"""
The %s attribute was used but neither of the
<code>start</code>, <code>end</code>, or <code>size</code>
attributes were used.
""" % n, 'in')
if 'start' in args:
v = args['start']
if isinstance(v, str):
try:
int(v)
except Exception:
self.start_name_re = re.compile(
'&+' +
''.join(["[%s]" % c for c in v]) +
'=[0-9]+&+')
name, expr = name_param(args, 'in', 1)
if expr is not None:
expr = expr.eval
self.__name__, self.expr = name, expr
self.section = section.blocks
if len(blocks) > 1:
if len(blocks) != 2:
raise ParseError('too many else blocks', 'in')
tname, args, section = blocks[1]
args = parse_params(args, name='')
if args:
ename = name_param(args)
if ename != name:
raise ParseError('name in else does not match in', 'in')
self.elses = section.blocks
def renderwb(self, md):
expr = self.expr
name = self.__name__
if expr is None:
sequence = md[name]
cache = {name: sequence}
else:
sequence = expr(md)
cache = None
if not sequence:
if self.elses:
return render_blocks(self.elses, md, encoding=self.encoding)
return ''
if isinstance(sequence, str):
raise ValueError(
'Strings are not allowed as input to the in tag.')
# Turn iterable like dict.keys() into a list.
sequence = list(sequence)
if cache is not None:
cache[name] = sequence
section = self.section
params = self.args
mapping = self.mapping
no_push_item = self.no_push_item
if self.sort_expr is not None:
self.sort = self.sort_expr.eval(md)
sequence = self.sort_sequence(sequence, md)
elif self.sort is not None:
sequence = self.sort_sequence(sequence, md)
if self.reverse_expr is not None and self.reverse_expr.eval(md):
sequence = self.reverse_sequence(sequence)
elif self.reverse is not None:
sequence = self.reverse_sequence(sequence)
next = previous = 0
try:
start = int_param(params, md, 'start', 0)
except Exception:
start = 1
end = int_param(params, md, 'end', 0)
size = int_param(params, md, 'size', 0)
overlap = int_param(params, md, 'overlap', 0)
orphan = int_param(params, md, 'orphan', '0')
start, end, sz = opt(start, end, size, orphan, sequence)
if 'next' in params:
next = 1
if 'previous' in params:
previous = 1
last = end - 1
first = start - 1
try:
query_string = md['QUERY_STRING']
except Exception:
query_string = ''
prefix = params.get('prefix')
vars = sequence_variables(sequence, '?' + query_string,
self.start_name_re, prefix)
kw = vars.data
pkw = add_with_prefix(kw, 'sequence', prefix)
for k, v in list(kw.items()):
pkw[k] = v
pkw['sequence-step-size'] = sz
pkw['sequence-step-overlap'] = overlap
pkw['sequence-step-start'] = start
pkw['sequence-step-end'] = end
pkw['sequence-step-start-index'] = start - 1
pkw['sequence-step-end-index'] = end - 1
pkw['sequence-step-orphan'] = orphan
kw['mapping'] = mapping
push = md._push
pop = md._pop
render = render_blocks
if cache:
push(cache)
push(vars)
try:
if previous:
if first > 0:
pstart, pend, psize = opt(0, first + overlap,
sz, orphan, sequence)
pkw['previous-sequence'] = 1
pkw['previous-sequence-start-index'] = pstart - 1
pkw['previous-sequence-end-index'] = pend - 1
pkw['previous-sequence-size'] = pend + 1 - pstart
result = render(section, md, encoding=self.encoding)
elif self.elses:
result = render(self.elses, md, encoding=self.encoding)
else:
result = ''
elif next:
try:
# The following line is a sneaky way to test whether
# there are more items, without actually
# computing a length:
sequence[end]
except IndexError:
if self.elses:
result = render(self.elses, md, encoding=self.encoding)
else:
result = ''
else:
pstart, pend, psize = opt(end + 1 - overlap, 0,
sz, orphan, sequence)
pkw['next-sequence'] = 1
pkw['next-sequence-start-index'] = pstart - 1
pkw['next-sequence-end-index'] = pend - 1
pkw['next-sequence-size'] = pend + 1 - pstart
result = render(section, md, encoding=self.encoding)
else:
result = []
append = result.append
guarded_getitem = getattr(md, 'guarded_getitem', None)
for index in range(first, end):
# preset
pkw['previous-sequence'] = 0
# now more often defined then previously
pkw['next-sequence'] = 0
#
if index == first or index == last:
# provide batching information
if first > 0:
pstart, pend, psize = opt(0, first + overlap,
sz, orphan, sequence)
if index == first:
pkw['previous-sequence'] = 1
pkw['previous-sequence-start-index'] = pstart - 1
pkw['previous-sequence-end-index'] = pend - 1
pkw['previous-sequence-size'] = pend + 1 - pstart
try:
# The following line is a sneaky way to
# test whether there are more items,
# without actually computing a length:
sequence[end]
pstart, pend, psize = opt(end + 1 - overlap, 0,
sz, orphan, sequence)
if index == last:
pkw['next-sequence'] = 1
pkw['next-sequence-start-index'] = pstart - 1
pkw['next-sequence-end-index'] = pend - 1
pkw['next-sequence-size'] = pend + 1 - pstart
except Exception:
pass
if index == last:
pkw['sequence-end'] = 1
if guarded_getitem is not None:
try:
client = guarded_getitem(sequence, index)
except ValidationError as vv:
if ('skip_unauthorized' in params and
params['skip_unauthorized']):
if index == first:
pkw['sequence-start'] = 0
continue
raise ValidationError('(item %s): %s' % (
index, vv), sys.exc_info()[2])
else:
client = sequence[index]
pkw['sequence-index'] = index
t = type(client)
if t is TupleType and len(client) == 2:
client = client[1]
if no_push_item:
pushed = 0
elif mapping:
pushed = 1
push(client)
elif t in StringTypes:
pushed = 0
else:
pushed = 1
push(InstanceDict(client, md))
try:
append(render(section, md, encoding=self.encoding))
finally:
if pushed:
pop()
if index == first:
pkw['sequence-start'] = 0
result = join_unicode(result, encoding=self.encoding)
finally:
if cache:
pop()
pop()
return result
def renderwob(self, md):
"""RENDER WithOutBatch"""
expr = self.expr
name = self.__name__
if expr is None:
sequence = md[name]
cache = {name: sequence}
else:
sequence = expr(md)
cache = None
if not sequence:
if self.elses:
return render_blocks(self.elses, md, encoding=self.encoding)
return ''
if isinstance(sequence, str):
raise ValueError(
'Strings are not allowed as input to the in tag.')
# Turn iterable like dict.keys() into a list.
sequence = list(sequence)
if cache is not None:
cache[name] = sequence
section = self.section
mapping = self.mapping
no_push_item = self.no_push_item
if self.sort_expr is not None:
self.sort = self.sort_expr.eval(md)
sequence = self.sort_sequence(sequence, md)
elif self.sort is not None:
sequence = self.sort_sequence(sequence, md)
if self.reverse_expr is not None and self.reverse_expr.eval(md):
sequence = self.reverse_sequence(sequence)
elif self.reverse is not None:
sequence = self.reverse_sequence(sequence)
prefix = self.args.get('prefix')
vars = sequence_variables(sequence, alt_prefix=prefix)
kw = vars.data
pkw = add_with_prefix(kw, 'sequence', prefix)
for k, v in list(kw.items()):
pkw[k] = v
kw['mapping'] = mapping
l_ = len(sequence)
last = l_ - 1
push = md._push
pop = md._pop
render = render_blocks
if cache:
push(cache)
push(vars)
try:
result = []
append = result.append
guarded_getitem = getattr(md, 'guarded_getitem', None)
for index in range(l_):
if index == last:
pkw['sequence-end'] = 1
if guarded_getitem is not None:
try:
client = guarded_getitem(sequence, index)
except ValidationError as vv:
if ('skip_unauthorized' in self.args and
self.args['skip_unauthorized']):
if index == 1:
pkw['sequence-start'] = 0
continue
raise ValidationError(
'(item %s): %s' % (index, vv), sys.exc_info()[2])
else:
client = sequence[index]
pkw['sequence-index'] = index
t = type(client)
if t is TupleType and len(client) == 2:
client = client[1]
if no_push_item:
pushed = 0
elif mapping:
pushed = 1
push(client)
elif t in StringTypes:
pushed = 0
else:
pushed = 1
push(InstanceDict(client, md))
try:
append(render(section, md, encoding=self.encoding))
finally:
if pushed:
pop()
if index == 0:
pkw['sequence-start'] = 0
result = join_unicode(result, encoding=self.encoding)
finally:
if cache:
pop()
pop()
return result
def sort_sequence(self, sequence, md):
# Modified with multiple sort fields by Ross Lazarus
# April 7 2000 [email protected]
# eg <dtml-in "foo" sort="akey,anotherkey">
# Modified with advanced sort functions by
# Oleg Broytmann <*****@*****.**> 30 Mar 2001
# eg <dtml-in "foo" sort="akey/nocase,anotherkey/cmp/desc">
sort = self.sort
need_sortfunc = sort.find('/') >= 0
sortfields = sort.split(',') # multi sort = key1,key2
multsort = len(sortfields) > 1 # flag: is multiple sort
if need_sortfunc:
# prepare the list of functions and sort order multipliers
sf_list = make_sortfunctions(sortfields, md)
# clean the mess a bit
if multsort: # More than one sort key.
sortfields = tuple(map(lambda x: x[0], sf_list))
else:
sort = sf_list[0][0]
mapping = self.mapping
isort = not sort
s = []
for client in sequence:
k = None
if type(client) == TupleType and len(client) == 2:
if isort:
k = client[0]
v = client[1]
else:
if isort:
k = client
v = client
if sort:
if multsort: # More than one sort key.
k = []
for sk in sortfields:
if mapping:
akey = v.get(sk)
else:
akey = getattr(v, sk, None)
if not basic_type(akey):
try:
akey = akey()
except Exception:
pass
k.append(akey)
else: # One sort key.
if mapping:
k = v.get(sort)
else:
k = getattr(v, sort, None)
if not basic_type(type(k)):
try:
k = k()
except Exception:
k = _Smallest
s.append((k, client))
if need_sortfunc:
by = SortBy(multsort, sf_list)
s.sort(key=functools.cmp_to_key(by))
else:
# In python 3 a key is required when tuples in the list have
# the same sort key to prevent attempting to compare the second
# item which is dict.
s.sort(key=itemgetter(0))
sequence = []
for k, client in s:
sequence.append(client)
return sequence
def reverse_sequence(self, sequence):
s = list(sequence)
s.reverse()
return s