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177 lines
4.3 KiB
177 lines
4.3 KiB
#!/usr/bin/env python
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from urllib2 import urlopen
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from datetime import date
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URL='http://data.iana.org/TLD/tlds-alpha-by-domain.txt'
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TLD_PREFIX = r"""
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/**
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* Regular expression to match all IANA top-level domains.
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* List accurate as of {gen_date}. List taken from:
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* {url}
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* This pattern is auto-generated by frameworks/ex/common/tools/make-iana-tld-pattern.py
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*/
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public static final String TOP_LEVEL_DOMAIN_STR =
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"""
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TLD_SUFFIX = '";'
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URL_PREFIX = r"""
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/**
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* Regular expression to match all IANA top-level domains for WEB_URL.
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* List accurate as of {gen_date}. List taken from:
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* {url}
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* This pattern is auto-generated by frameworks/ex/common/tools/make-iana-tld-pattern.py
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*/
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public static final String TOP_LEVEL_DOMAIN_STR_FOR_WEB_URL =
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"(?:"
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"""
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URL_SUFFIX = ';'
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TAB = ' '
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class BucketOutput:
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def __init__(self):
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self.buffer = TAB
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self.lineLength = len(TAB)
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def __iadd__(self, other):
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self.buffer += other
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self.lineLength += len(other)
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return self
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def addPipe(self):
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if self.lineLength > 90:
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self.buffer += '"\n'
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self.buffer += TAB
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self.buffer += '+ "'
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self.lineLength = len(TAB)
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self += '|'
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def value(self):
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return self.buffer
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class Bucket:
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def __init__(self, baseLetter):
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self.base=baseLetter
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self.words=[]
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self.letters=[]
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def dump(self, isWebUrl=False, isFirst=False, isLast=False):
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if (len(self.words) == 0) and (len(self.letters) == 0):
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return ''
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self.words.sort()
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self.letters.sort()
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output = BucketOutput()
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if isFirst:
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if isWebUrl:
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output += '+ "'
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else:
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output += '"('
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else:
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output += '+ "|'
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if len(self.words) != 0:
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output += '('
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if isWebUrl:
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output += '?:'
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firstWord = 1
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for word in self.words:
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if firstWord == 0:
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output.addPipe()
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firstWord = 0
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for letter in word:
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if letter == '-':
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output += '\\\\' # escape the '-' character.
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output += letter
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if len(self.words) > 0 and len(self.letters) > 0:
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output.addPipe()
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if len(self.letters) == 1:
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output += '%c%c' % (self.base, self.letters[0])
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elif len(self.letters) > 0:
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output += '%c[' % self.base
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for letter in self.letters:
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output += letter
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output += ']'
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if len(self.words) != 0:
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output += ')'
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if not isLast:
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output += '"'
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output += '\n'
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return output.value();
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def add(self, line):
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length = len(line)
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if line.startswith('#') or (length == 0):
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return;
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if length == 2:
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self.letters.append(line[1:2])
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else:
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self.words.append(line)
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def getBucket(buckets, line):
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letter = line[0]
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bucket = buckets.get(letter)
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if bucket is None:
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bucket = Bucket(letter)
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buckets[letter] = bucket
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return bucket
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def makePattern(prefix, suffix, buckets, isWebUrl=False):
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output = prefix.format(gen_date = date.today(), url=URL)
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output += getBucket(buckets, 'a').dump(isFirst=True, isWebUrl=isWebUrl)
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for letter in range(ord('b'), ord('z')):
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output += getBucket(buckets, chr(letter)).dump(isWebUrl=isWebUrl)
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output += getBucket(buckets, 'z').dump(isLast=True, isWebUrl=isWebUrl)
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if isWebUrl:
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output += '))"'
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else:
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output += ')'
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output += suffix
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print output
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if __name__ == "__main__":
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f = urlopen(URL)
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domains = f.readlines()
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f.close()
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buckets = {}
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for domain in domains:
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domain = domain.lower()
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if len(domain) > 0:
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getBucket(buckets, domain[0]).add(domain.strip())
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if domain.startswith('xn--'):
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puny = domain.strip()[4:]
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result = puny.decode('punycode')
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result = repr(result)
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getBucket(buckets, 'xn--').add(result[2:-1])
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makePattern(TLD_PREFIX, TLD_SUFFIX, buckets, isWebUrl=False)
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makePattern(URL_PREFIX, URL_SUFFIX, buckets, isWebUrl=True)
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