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executable file 81 lines (68 sloc) 2.138 kB
#!/usr/bin/env python
"""
web.py - Web Facilities
Author: Sean B. Palmer, inamidst.com
About: http://inamidst.com/phenny/
"""
import re, urllib.request, urllib.parse, urllib.error
from html.entities import name2codepoint
import json as jsonlib
class Grab(urllib.request.URLopener):
def __init__(self, *args):
self.version = 'Mozilla/5.0 (Phenny)'
urllib.request.URLopener.__init__(self, *args)
def http_error_default(self, url, fp, errcode, errmsg, headers):
return urllib.addinfourl(fp, [headers, errcode], "http:" + url)
urllib.request._urlopener = Grab()
def get(uri):
if not uri.startswith('http'):
return
u = urllib.request.urlopen(uri)
bytes = u.read()
try:
bytes = bytes.decode('utf-8')
except UnicodeDecodeError:
bytes = bytes.decode('ISO-8859-1')
u.close()
return bytes
def head(uri):
if not uri.startswith('http'):
return
u = urllib.request.urlopen(uri)
info = u.info()
u.close()
return info
def post(uri, query):
if not uri.startswith('http'):
return
data = urllib.parse.urlencode(query).encode('utf-8')
u = urllib.request.urlopen(uri, data)
bytes = u.read()
try:
bytes = bytes.decode('utf-8')
except UnicodeDecodeError:
bytes = bytes.decode('ISO-8859-1')
u.close()
return bytes
r_entity = re.compile(r'&([^;\s]+);')
def entity(match):
value = match.group(1).lower()
if value.startswith('#x'):
return chr(int(value[2:], 16))
elif value.startswith('#'):
return chr(int(value[1:]))
elif value in name2codepoint:
return chr(name2codepoint[value])
return '[' + value + ']'
def quote(text):
return urllib.parse.quote(text)
def decode(html):
return r_entity.sub(entity, html)
r_string = re.compile(r'("(\\.|[^"\\])*")')
r_json = re.compile(r'^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]+$')
env = {'__builtins__': None, 'null': None, 'true': True, 'false': False}
def json(text):
"""Evaluate JSON text safely (we hope)."""
return jsonlib.loads(text)
if __name__=="__main__":
main()
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