demeter/core.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
	demeter core
	name:demeter.py
	author:rabin
"""
import time
import os
import signal
import re
import sys
import getopt
import json
import ConfigParser
import subprocess
class Demeter(object):
	path = ''
	config = {}
	serviceObj = {}
	modelObj = {}
	web = ''
	request = False

	def __new__(self, *args, **kwargs):
		sys.exit()

	def __init__(self):
		pass

	@staticmethod
	def isset(v): 
		try :
			type (eval(v))
		except :
			return 0
		else : 
			return 1

	@classmethod
	def initConfig(self):
		self.path = File.path()
		if self.config == {}:
			name = 'dev'
			if 'DEMETER_CONF' in os.environ:
				name = os.environ['DEMETER_CONF']
			filename = self.path + 'conf/'+name+'.conf'
			if File.exists(filename):
				config = ConfigParser.ConfigParser()
				config.read(filename)

				for item in config.sections():
					self.config[item] = self.readConfig(config, item)
				return True
			else:
				print filename + ' is not exists'
				sys.exit()

	@staticmethod
	def readConfig(config, type):
		value = config.options(type)
		result = {}
		for item in value:
			result[item] = config.get(type, item)
		return result

	@classmethod
	def temp(self, key='', name='', value=''):
		temp = Demeter.path + 'conf/temp.conf'
		if File.exists(temp):
			config = ConfigParser.ConfigParser()
			config.read(temp)
			if key and name:
				config.set(key, name, value)
				config.write(open(temp, 'w'))
			else:
				result = {}
				for item in config.sections():
					result[item] = self.readConfig(config, item)
				return result

	@classmethod
	def echo(self, args):
		module = self.getObject('pprint')
		module.pprint(args)

	@classmethod
	def record(self, key, value):
		# 记录日志
		# self.log(key, value)
		service = self.service('record')
		service.push(key, value)

	@classmethod
	def service(self, name):
		path = 'service.'
		if name == 'common':
			path = 'demeter.'
			name = 'service'
		service = self.getClass(name, path)
		return service()
		"""
		if name not in self.serviceObj:
			path = 'service.'
			if name == 'common':
				path = 'demeter.'
				name = 'service'
			service = self.getClass(name, path)
			self.serviceObj[name] = service()
		return self.serviceObj[name]
		"""

	@classmethod
	def model(self, table, name='rdb'):
		name = self.config['db'][name]
		config = self.config[name]
		obj = self.getObject('db', 'demeter.')
		db = getattr(obj, name.capitalize())
		connect = db(config).get()
		model = self.getClass(table, 'model.')
		return model(name, connect, config)
		"""
		if table not in self.modelObj:
			name = self.config['db'][name]
			config = self.config[name]
			obj = self.getObject('db', 'demeter.')
			db = getattr(obj, name.capitalize())
			connect = db(config).get()
			model = self.getClass(table, 'model.')
			self.modelObj[table] =  model(name, connect, config)
		return self.modelObj[table]
		"""

	@classmethod
	def getClass(self, name, path=''):
		obj = self.getObject(name, path)
		return getattr(obj, name.capitalize())

	@staticmethod
	def getObject(name, path = ''):
		module = __import__(path + name)
		return getattr(module, name)

	@staticmethod
	def bool(value):
		return value == str(True)

	@classmethod
	def runtime(self, path, file, content=''):
		path = self.path + 'runtime/' + path + '/'
		File.mkdir(path)
		file = path + file
		if File.exists(file):
			return False
		else:
			File.write(file, content)
			return True

	@classmethod
	def webstart(self, name):
		self.web = name
		self.webPath = self.path + self.web + '/'
		self.getObject('main', name + '.')

	@classmethod
	def md5(self, value, salt=False):
		module = __import__('md5')
		md5 = getattr(module, 'new')
		md5_obj = md5()
		if salt:
			if salt == True:
				salt = self.rand()
			md5_obj.update(value + salt)
			return md5_obj.hexdigest() + '_' + salt
		else:
			md5_obj.update(value)
			return md5_obj.hexdigest()

	@staticmethod
	def rand(length = 4):
		module = __import__('random')
		rand = getattr(module, 'randint')
		salt = ''
		chars = 'AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz0123456789'
		len_chars = len(chars) - 1
		for i in xrange(length):
			salt += chars[rand(0, len_chars)]
		return salt
	@staticmethod
	def hour(value):
		if value < 10:
			return '0' + str(value)
		return value
	@staticmethod
	def time():
		return int(time.time())

	@staticmethod
	def mktime(value, string='%Y-%m-%d %H:%M:%S'):
		if ' ' in string and ' ' not in value:
			value = value + ' 00:00:00'
		return int(time.mktime(time.strptime(value,string)))

	@staticmethod
	def date(value, string='%Y-%m-%d %H:%M:%S'):
		module = __import__('datetime')
		datetime = getattr(module, 'datetime')
		fromtimestamp = getattr(datetime, 'fromtimestamp')
		return str(fromtimestamp(value).strftime(string))

	@staticmethod
	def isJson(value):
		result = False
		try:
			result = json.loads(value)
		except ValueError:
			return result
		return result

	@staticmethod
	def compressUuid(value):
		row = value.replace('-', '')
		code = ''
		hash = [x for x in "0123456789-abcdefghijklmnopqrstuvwxyz_ABCDEFGHIJKLMNOPQRSTUVWXYZ"]
		for i in xrange(10):
			enbin = "%012d" % int(bin(int(row[i * 3] + row[i * 3 + 1] + row[i * 3 + 2], 16))[2:], 10)
			code += (hash[int(enbin[0:6], 2)] + hash[int(enbin[6:12], 2)])
		return code

	@staticmethod
	def checkMobile(request):
		if 'Demeter-Mobile' in request.headers:
			return True
		userAgent = request.headers['User-Agent']
		# userAgent = env.get('HTTP_USER_AGENT')

		_long_matches = r'googlebot-mobile|android|avantgo|blackberry|blazer|elaine|hiptop|ip(hone|od)|kindle|midp|mmp|mobile|o2|opera mini|palm( os)?|pda|plucker|pocket|psp|smartphone|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce; (iemobile|ppc)|xiino|maemo|fennec'
		_long_matches = re.compile(_long_matches, re.IGNORECASE)
		_short_matches = r'1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|e\-|e\/|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(di|rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|xda(\-|2|g)|yas\-|your|zeto|zte\-'
		_short_matches = re.compile(_short_matches, re.IGNORECASE)

		if _long_matches.search(userAgent) != None:
			return True
		user_agent = userAgent[0:4]
		if _short_matches.search(user_agent) != None:
			return True
		return False

	@staticmethod
	def exp(exp, value):
		if exp:
			exp = exp.replace('{n}', value)
			value = str(eval(exp))
		return value

	@classmethod
	def curl(self, url):
		import urllib2
		req = urllib2.Request(url)
		response = urllib2.urlopen(req)
		return response.read()

	@classmethod
	def error(self, string):
		from tornado.web import Finish
		if self.request:
			self.request.out(string)
			#self.request.finish()
			raise Finish()
		else:
			print string
			#os._exit(0)

class File(object):

	@staticmethod
	def write(file, content):
		handle = open(file, 'w')
		handle.write(content)
		handle.close()
		Shell.popen('chmod +x ' + file)

	@staticmethod
	def read(path, name):
		handle = open(path + name, 'r')
		content = handle.read()
		handle.close()
		return content

	@staticmethod
	def cur_path():
		return os.path.split(os.path.realpath(__file__))[0] + '/'

	@staticmethod
	def path():
		return os.sys.path[0] + '/'

	@staticmethod
	def exists(name):
		return os.path.exists(name)

	@staticmethod
	def rename(old, new):
		return os.rename(old, new)

	@staticmethod
	def remove(file):
		return os.remove(file)

	@staticmethod
	def mkdir(path):
		if File.exists(path) == False:
			os.mkdir(path)
		return path

	@staticmethod
	def mkdirs(path):
		if File.exists(path) == False:
			os.makedirs(path)
		return path

class Shell(object):
	@staticmethod
	def popen(command, sub=False, bg=False, timeout=0):
		string = command
		if bg == True:
			command = command + ' 1>/dev/null 2>&1 &'

		if timeout > 0:
			proc = subprocess.Popen(command,bufsize=0,stdout=subprocess.PIPE,stderr=subprocess.PIPE,shell=True, close_fds=True, preexec_fn = os.setsid)
			poll_seconds = .250
			deadline = time.time() + timeout
			while time.time() < deadline and proc.poll() == None:
				time.sleep(poll_seconds)
			if proc.poll() == None:
				os.killpg(proc.pid, signal.SIGTERM)
				return 'timeout'

			stdout,stderr = proc.communicate()
			return stdout
		elif sub == False:
			process = os.popen(command)
			output = process.read()
			process.close()
			return output
		else:
			popen  = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE)
			output = ''
			print string
			while True:
				output = popen.stdout.readline()
				print output
				if popen.poll() is not None:
					break
			return output

class Check(object):
	@staticmethod
	def match(rule, value):
		if not rule.match(value):
			return False
		return True

	@staticmethod
	def mobile(value):
		rule = re.compile(r'1\d{10}')
		return Check.match(rule, value)

	@staticmethod
	def number(value):
		try:
			int(value)
			return True
		except ValueError:
			return False

	@staticmethod
	def numberFloat(value):
		try:
			float(value)
			return True
		except ValueError:
			return False

Demeter.initConfig()