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106 lines
3.5 KiB
Python
106 lines
3.5 KiB
Python
"""$Id: image.py 699 2006-09-25 02:01:18Z rubys $"""
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__author__ = "Sam Ruby <http://intertwingly.net/> and Mark Pilgrim <http://diveintomark.org/>"
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__version__ = "$Revision: 699 $"
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__date__ = "$Date: 2006-09-25 02:01:18 +0000 (Mon, 25 Sep 2006) $"
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__copyright__ = "Copyright (c) 2002 Sam Ruby and Mark Pilgrim"
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from base import validatorBase
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from validators import *
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from extension import extension_everywhere
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#
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# image element.
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#
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class image(validatorBase, extension_everywhere):
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def getExpectedAttrNames(self):
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return [(u'http://www.w3.org/1999/02/22-rdf-syntax-ns#', u'resource'),
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(u'http://www.w3.org/1999/02/22-rdf-syntax-ns#', u'about'),
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(u'http://www.w3.org/1999/02/22-rdf-syntax-ns#', u'parseType')]
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def validate(self):
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if self.value.strip():
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self.log(UnexpectedText({"parent":self.parent.name, "element":"image"}))
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if self.attrs.has_key((rdfNS,"resource")):
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return # looks like an RSS 1.0 feed
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if not "title" in self.children:
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self.log(MissingTitle({"parent":self.name, "element":"title"}))
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if not "url" in self.children:
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self.log(MissingElement({"parent":self.name, "element":"url"}))
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if self.attrs.has_key((rdfNS,"parseType")):
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return # looks like an RSS 1.1 feed
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if not "link" in self.children:
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self.log(MissingLink({"parent":self.name, "element":"link"}))
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def do_title(self):
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return title(), noduplicates()
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def do_link(self):
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return link(), noduplicates()
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def do_url(self):
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return url(), noduplicates()
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def do_width(self):
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return width(), noduplicates()
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def do_height(self):
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return height(), noduplicates()
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def do_description(self):
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return nonhtml(), noduplicates()
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def do_dc_creator(self):
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return text()
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def do_dc_subject(self):
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return text() # duplicates allowed
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def do_dc_date(self):
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return w3cdtf(), noduplicates()
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def do_cc_license(self):
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return eater()
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class link(rfc2396_full):
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def validate(self):
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rfc2396_full.validate(self)
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if self.parent.parent.link and self.parent.parent.link != self.value:
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self.log(ImageLinkDoesntMatch({"parent":self.parent.name, "element":self.name}))
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class url(rfc2396_full):
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def validate(self):
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rfc2396_full.validate(self)
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import re
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ext = self.value.split('.')[-1].lower()
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if re.match("^\w+$", ext) and ext not in ['jpg','jpeg','gif','png']:
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self.log(ImageUrlFormat({"parent":self.parent.name, "element":self.name}))
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class title(nonhtml, noduplicates):
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def validate(self):
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if not self.value.strip():
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self.log(NotBlank({"parent":self.parent.name, "element":self.name}))
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else:
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self.log(ValidTitle({"parent":self.parent.name, "element":self.name}))
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nonhtml.validate(self)
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class width(text, noduplicates):
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def validate(self):
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try:
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w = int(self.value)
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if (w <= 0) or (w > 144):
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self.log(InvalidWidth({"parent":self.parent.name, "element":self.name, "value":self.value}))
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else:
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self.log(ValidWidth({"parent":self.parent.name, "element":self.name}))
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except ValueError:
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self.log(InvalidWidth({"parent":self.parent.name, "element":self.name, "value":self.value}))
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class height(text, noduplicates):
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def validate(self):
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try:
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h = int(self.value)
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if (h <= 0) or (h > 400):
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self.log(InvalidHeight({"parent":self.parent.name, "element":self.name, "value":self.value}))
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else:
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self.log(ValidHeight({"parent":self.parent.name, "element":self.name}))
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except ValueError:
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self.log(InvalidHeight({"parent":self.parent.name, "element":self.name, "value":self.value}))
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