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from compat import URLPattern, URLResolver
from django.core.urlresolvers import resolve, get_resolver
def find_url_pattern_by_name(name):
    if name is None:
        return None

    def deep_find(rs):
        for r in rs.url_patterns:
            if isinstance(r, URLResolver):
                result = deep_find(r)

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import urllib
import urlparse

def url_add_params(url, **params):
    pr = urlparse.urlparse(url)
    query = dict(urlparse.parse_qsl(pr.query))
    query.update(params)
    prlist = list(pr)

    prlist[4] = urllib.urlencode(query)

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def filter_invalid_str(text):
	"""
	过滤非BMP字符
	"""
	try:
		# UCS-4
		highpoints = re.compile(u'[\U00010000-\U0010ffff]')
	except re.error:
		# UCS-2
		highpoints = re.compile(u'[\uD800-\uDBFF][\uDC00-\uDFFF]')

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a = '\u4e2d\u6587'
print a.decode('unicode-escape')

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def git_shell(git_command):
    try:
        return os.popen(git_command).read().strip()
    except:
        return None

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# -*- coding: utf-8 -*-
# 修改自标准库的copytree,可覆盖文件
import os
import shutil

def copytree_override(src, dst, symlinks=False, ignore=None):
    names = os.listdir(src)
    if ignore is not None:
        ignored_names = ignore(src, names)
    else:

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# -*- coding: utf-8 -*-

# 清除Windows记事本自动添加的BOM
def clean_bom(file_name):
    with open(file_name, 'r+') as f:
        content = f.read()
        content = re.sub(r"\xfe\xff", "", content)
        content = re.sub(r"\xff\xfe", "", content)
        content = re.sub(r"\xef\xbb\xbf", "", content)
        f.seek(0)

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# -*- coding: utf-8 -*-
import requests
from pyquery import PyQuery as pq

login_url = "https://passport.jd.com/new/login.aspx"
login_post_url = "http://passport.jd.com/uc/loginService"

# 用户名和密码
username = "your_name"
password = "your_password"