135 lines
3.9 KiB
Python
135 lines
3.9 KiB
Python
#!/usr/bin/env python
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"""
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codepoints.py - Phenny Codepoints Module
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Copyright 2008, Sean B. Palmer, inamidst.com
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Licensed under the Eiffel Forum License 2.
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http://inamidst.com/phenny/
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"""
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import re, unicodedata
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from itertools import islice
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def about(u, cp=None, name=None):
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if cp is None:
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cp = ord(u)
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if name is None:
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try: name = unicodedata.name(u)
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except ValueError:
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return 'U+%04X (No name found)' % cp
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if not unicodedata.combining(u):
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template = 'U+%04X %s (%s)'
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else: template = 'U+%04X %s (\xe2\x97\x8c%s)'
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return template % (cp, name, u)
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def codepoint_simple(arg):
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arg = arg.upper()
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r_label = re.compile('\\b' + arg.replace(' ', '.*\\b') + '\\b')
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results = []
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for cp in range(0xFFFF):
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u = chr(cp)
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try: name = unicodedata.name(u)
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except ValueError: continue
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if r_label.search(name):
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results.append((len(name), u, cp, name))
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if not results:
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r_label = re.compile('\\b' + arg.replace(' ', '.*\\b'))
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for cp in range(0xFFFF):
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u = chr(cp)
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try: name = unicodedata.name(u)
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except ValueError: continue
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if r_label.search(name):
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results.append((len(name), u, cp, name))
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if not results:
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return None
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length, u, cp, name = sorted(results)[0]
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return about(u, cp, name)
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def codepoint_extended(arg):
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arg = arg.upper()
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try: r_search = re.compile(arg)
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except: raise ValueError('Broken regexp: %r' % arg)
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for cp in range(1, 0x10FFFF):
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u = chr(cp)
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name = unicodedata.name(u, '-')
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if r_search.search(name):
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yield about(u, cp, name)
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def u(phenny, input):
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"""Look up unicode information."""
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arg = input.bytes[3:]
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# phenny.msg('#inamidst', '%r' % arg)
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if not arg:
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return phenny.reply('You gave me zero length input.')
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elif not arg.strip(' '):
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if len(arg) > 1: return phenny.reply('%s SPACEs (U+0020)' % len(arg))
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return phenny.reply('1 SPACE (U+0020)')
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# @@ space
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if set(arg.upper()) - set(
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'ABCDEFGHIJKLMNOPQRSTUVWYXYZ0123456789- .?+*{}[]\\/^$'):
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printable = False
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elif len(arg) > 1:
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printable = True
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else: printable = False
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if printable:
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extended = False
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for c in '.?+*{}[]\\/^$':
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if c in arg:
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extended = True
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break
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if len(arg) == 4:
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try: u = chr(int(arg, 16))
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except ValueError: pass
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else: return phenny.say(about(u))
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if extended:
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# look up a codepoint with regexp
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results = list(islice(codepoint_extended(arg), 4))
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for i, result in enumerate(results):
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if (i < 2) or ((i == 2) and (len(results) < 4)):
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phenny.say(result)
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elif (i == 2) and (len(results) > 3):
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phenny.say(result + ' [...]')
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if not results:
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phenny.reply('Sorry, no results')
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else:
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# look up a codepoint freely
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result = codepoint_simple(arg)
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if result is not None:
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phenny.say(result)
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else: phenny.reply("Sorry, no results for %r." % arg)
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else:
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text = arg
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# look up less than three podecoints
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if len(text) <= 3:
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for u in text:
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phenny.say(about(u))
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# look up more than three podecoints
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elif len(text) <= 10:
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phenny.reply(' '.join('U+%04X' % ord(c) for c in text))
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else: phenny.reply('Sorry, your input is too long!')
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u.commands = ['u']
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u.example = '.u 203D'
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def bytes(phenny, input):
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"""Show the input as pretty printed bytes."""
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b = input.bytes
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phenny.reply('%r' % b[b.find(' ') + 1:])
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bytes.commands = ['bytes']
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bytes.example = '.bytes \xe3\x8b\xa1'
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if __name__ == '__main__':
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print(__doc__.strip())
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