i'm about to change how i handle regexes entirely
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@ -34,7 +34,11 @@ crypt_map = {'sha512': crypt.METHOD_SHA512,
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'des': crypt.METHOD_CRYPT}
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class XPathFmt(string.Formatter):
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def __init__(self):
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print('foo')
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def get_field(self, field_name, args, kwargs):
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# custom arg to specify if it's a regex pattern or not
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vals = self.get_value(field_name, args, kwargs), field_name
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if not vals[0]:
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vals = ('{{{0}}}'.format(vals[1]), vals[1])
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@ -426,10 +430,14 @@ class xml_supplicant(object):
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xmlroot = lxml.etree.fromstring(raw)
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self.btags = {'xpath': {},
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'regex': {}}
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self.fmt = XPathFmt()
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self.max_recurse = max_recurse
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self.ptrn = re.compile('(?<=(?<!\{)\{)[^{}]*(?=\}(?!\}))')
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#self.ptrn = re.compile('(?<=(?<!\{)\{)[^{}]*(?=\}(?!\}))')
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# I don't have permission to credit them, but to the person who helped
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# me with this regex - thank you. You know who you are.
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self.ptrn = re.compile(('(?<=(?<!\{)\{)(?:[^{}]+'
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'|{{[^{}]*}})*(?=\}(?!\}))'))
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self.root = lxml.etree.ElementTree(xmlroot)
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self.substitutions = {}
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if not profile:
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self.profile = xmlroot.xpath('/bdisk/profile[1]')[0]
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else:
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@ -480,43 +488,41 @@ class xml_supplicant(object):
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if isinstance(element, lxml.etree._Element):
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if isinstance(element, lxml.etree._Comment):
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return(element)
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# if len(element) == 0:
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# print(element.text)
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if element.text:
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_dictmap = self.xpath_to_dict(element.text)
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while _dictmap:
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for elem in _dictmap:
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# if _dictmap is None:
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# continue
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# # I still for the life of me cannot figure out why this
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# # is not caught by the above. But it isn't.
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# if elem not in _dictmap:
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# continue
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if isinstance(_dictmap[elem], str):
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try:
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print('bleh')
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print(_dictmap[elem])
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try:
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print(self.get_path(element))
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except:
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pass
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newpath = element.xpath(_dictmap[elem])[0]
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newpath = element.xpath(_dictmap[elem])
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except (AttributeError, IndexError, TypeError):
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print('blugh')
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newpath = element
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except lxml.etree.XPathEvalError:
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return(element)
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try:
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self.substitutions[elem] = self.substitute(
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newpath,
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(recurse_count + 1)
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)[0]
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self.btags['xpath'][elem] = self.substitute(
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newpath, (recurse_count + 1))[0]
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except (IndexError, TypeError):
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raise ValueError(
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('Encountered an error while trying to '
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'substitute {0} at {1}').format(
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elem, self.get_path(element)
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))
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element.text = XPathFmt().vformat(
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print(element.text)
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element.text = self.fmt.format(
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element.text,
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[],
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self.substitutions)
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{**self.btags['xpath'],
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**self.btags['regex']})
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# element.text = self.fmt.vformat(
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# element.text,
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# [],
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# {**self.btags['xpath'],
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# **self.btags['regex']})
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# element.text = (element.text).format(
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# {**self.btags['xpath'],
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# **self.btags['regex']})
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_dictmap = self.xpath_to_dict(element.text)
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return(element)
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@ -538,11 +544,15 @@ class xml_supplicant(object):
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d = {}
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try:
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_, xpath_expr = item.split('%', 1)
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print(_)
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if not _ == 'xpath':
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if _ not in self.btags:
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continue
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if item not in self.substitutions:
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self.substitutions[item] = None
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if item not in self.btags[_]:
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self.btags[_][item] = None
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if _ == 'regex':
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_re = re.sub('^regex%', '', item)
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_re = re.sub('{{(.*)}}', '\g<1>', _re)
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# We use a native python object
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self.btags['regex'][item] = re.compile(_re)
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d[item] = xpath_expr
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except ValueError:
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return(None)
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@ -48,7 +48,8 @@
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<source arch="x86_64">
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<mirror>http://archlinux.mirror.domain.tld</mirror>
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<webroot>/iso/latest</webroot>
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<tarball flags="regex,latest">{xpath%../mirror/text()}{xpath%../webroot/text()}/{regex%archlinux-bootstrap-[0-9]{4}\.[0-9]{2}\.[0-9]{2}-x86_64\.tar\.gz}</tarball>
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<tarball flags="regex,latest">{xpath%../mirror/text()}{xpath%../webroot/text()}/{regex%archlinux-bootstrap-[0-9]{{4}}\.[0-9]{{2}}\.[0-9]{{2}}-x86_64\.tar\.gz}</tarball>
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<!-- <tarball flags="regex,latest">{xpath%../mirror/text()}{xpath%../webroot/text()}/{regex%archlinux-bootstrap-[0-9]{4}\.[0-9]{2}\.[0-9]{2}-x86_64\.tar\.gz}</tarball> -->
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<checksum hash_algo="sha1" flags="none" >{xpath%../mirror/text()}{xpath%../webroot/text()}/sha1sums.txt</checksum>
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<sig keys="7F2D434B9741E8AC"
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keyserver="hkp://pool.sks-keyservers.net"
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@ -57,7 +58,8 @@
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<source arch="i686">
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<mirror>http://archlinux32.mirror.domain.tld</mirror>
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<webroot>/iso/latest</webroot>
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<tarball flag="regex,latest">{xpath%../mirror/text()}/{xpath%../webroot/text()}/{regex%archlinux-bootstrap-[0-9]{4}\.[0-9]{2}\.[0-9]{2}-i686\.tar\.gz}</tarball>
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<tarball flag="regex,latest">{xpath%../mirror/text()}/{xpath%../webroot/text()}/{regex%archlinux-bootstrap-[0-9]{{4}}\.[0-9]{{2}}\.[0-9]{{2}}-i686\.tar\.gz}</tarball>
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<!-- <tarball flag="regex,latest">{xpath%../mirror/text()}/{xpath%../webroot/text()}/{regex%archlinux-bootstrap-[0-9]{4}\.[0-9]{2}\.[0-9]{2}-i686\.tar\.gz}</tarball> -->
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<checksum hash_algo="sha512" explicit="yes">cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e</checksum>
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<sig keys="248BF41F9BDD61D41D060AE774EDA3C6B06D0506"
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keyserver="hkp://pool.sks-keyservers.net">{xpath%../tarball/text()}.sig</sig>
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