Python幫助函數(shù)調(diào)試函數(shù) 用于獲取對(duì)象的屬性及屬性值

剛接觸Python，上篇 《Python入門》第一個(gè)Python Web程序——簡單的Web服務(wù)器?中調(diào)試非常不方便，不知道對(duì)象詳細(xì)有什么屬性，包括什么值，所以寫了一個(gè)函數(shù)。用于獲取對(duì)象的屬性及屬性值

函數(shù)代碼例如以下：

#調(diào)試函數(shù)。用于輸出對(duì)象的屬性及屬性值

def getAllAttrs(obj):

strAttrs = ‘‘

for o in dir(obj):

strAttrs =strAttrs + o + ‘ := ‘ + str(getattr(obj,o)) + ‘
‘

return strAttrs;詳細(xì)應(yīng)用代碼：

import os#Python的標(biāo)準(zhǔn)庫中的os模塊包括普遍的操作系統(tǒng)功能

from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler #導(dǎo)入HTTP處理相關(guān)的模塊

#調(diào)試函數(shù)。用于輸出對(duì)象的屬性及屬性值

def getAllAttrs(obj):

strAttrs = ‘‘

for o in dir(obj):

strAttrs =strAttrs + o + ‘ := ‘ + str(getattr(obj,o)) + ‘
‘

return strAttrs;

#自己定義處理程序。用于處理HTTP請求

class TestHTTPHandler(BaseHTTPRequestHandler):

#處理GET請求

def do_GET(self):

#頁面輸出模板字符串

templateStr = ‘‘‘

QR Link Generator

%s

‘‘‘

self.protocal_version = ‘HTTP/1.1‘#設(shè)置協(xié)議版本號(hào)

self.send_response(200)#設(shè)置響應(yīng)狀態(tài)碼

self.send_header("Welcome", "Contect")#設(shè)置響應(yīng)頭

self.end_headers()

self.wfile.write(templateStr % getAllAttrs(self))#輸出響應(yīng)內(nèi)容

#啟動(dòng)服務(wù)函數(shù)

def start_server(port):

http_server = HTTPServer((‘‘, int(port)), TestHTTPHandler)

http_server.serve_forever()#設(shè)置一直監(jiān)聽并接收請求

os.chdir(‘static‘)#改變工作文件夾到 static 文件夾

start_server(8000)#啟動(dòng)服務(wù)。監(jiān)聽8000端口輸出例如以下：

MessageClass := mimetools.Message

__doc__ := None

__init__ := >

__module__ := __main__

address_string := >

client_address := (‘127.0.0.1‘, 38178)

close_connection := 1

command := GET

connection :=

date_time_string := >

default_request_version := HTTP/0.9

disable_nagle_algorithm := False

do_GET := >

end_headers := >

error_content_type := text/html

error_message_format :=

Error response

Error code %(code)d.

Message: %(message)s.

Error code explanation: %(code)s = %(explain)s.

finish := >

handle := >

handle_one_request := >

headers := Host: localhost:8000 Connection: keep-alive Pragma: no-cache Cache-Control: no-cache Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36 Accept-Encoding: gzip, deflate, sdch Accept-Language: zh-CN,zh;q=0.8,en-US;q=0.6,en;q=0.4,en-GB;q=0.2 Cookie: bdshare_firstime=1451130349627

log_date_time_string := >

log_error := >

log_message := >

log_request := >

monthname := [None, ‘Jan‘, ‘Feb‘, ‘Mar‘, ‘Apr‘, ‘May‘, ‘Jun‘, ‘Jul‘, ‘Aug‘, ‘Sep‘, ‘Oct‘, ‘Nov‘, ‘Dec‘]

parse_request := >

path := /

protocal_version := HTTP/1.1

protocol_version := HTTP/1.0

raw_requestline := GET / HTTP/1.1

rbufsize := -1

request :=

request_version := HTTP/1.1

requestline := GET / HTTP/1.1

responses := {200: (‘OK‘, ‘Request fulfilled, document follows‘), 201: (‘Created‘, ‘Document created, URL follows‘), 202: (‘Accepted‘, ‘Request accepted, processing continues off-line‘), 203: (‘Non-Authoritative Information‘, ‘Request fulfilled from cache‘), 204: (‘No Content‘, ‘Request fulfilled, nothing follows‘), 205: (‘Reset Content‘, ‘Clear input form for further input.‘), 206: (‘Partial Content‘, ‘Partial content follows.‘), 400: (‘Bad Request‘, ‘Bad request syntax or unsupported method‘), 401: (‘Unauthorized‘, ‘No permission -- see authorization schemes‘), 402: (‘Payment Required‘, ‘No payment -- see charging schemes‘), 403: (‘Forbidden‘, ‘Request forbidden -- authorization will not help‘), 404: (‘Not Found‘, ‘Nothing matches the given URI‘), 405: (‘Method Not Allowed‘, ‘Specified method is invalid for this resource.‘), 406: (‘Not Acceptable‘, ‘URI not available in preferred format.‘), 407: (‘Proxy Authentication Required‘, ‘You must authenticate with this proxy before proceeding.‘), 408: (‘Request Timeout‘, ‘Request timed out; try again later.‘), 409: (‘Conflict‘, ‘Request conflict.‘), 410: (‘Gone‘, ‘URI no longer exists and has been permanently removed.‘), 411: (‘Length Required‘, ‘Client must specify Content-Length.‘), 412: (‘Precondition Failed‘, ‘Precondition in headers is false.‘), 413: (‘Request Entity Too Large‘, ‘Entity is too large.‘), 414: (‘Request-URI Too Long‘, ‘URI is too long.‘), 415: (‘Unsupported Media Type‘, ‘Entity body in unsupported format.‘), 416: (‘Requested Range Not Satisfiable‘, ‘Cannot satisfy request range.‘), 417: (‘Expectation Failed‘, ‘Expect condition could not be satisfied.‘), 100: (‘Continue‘, ‘Request received, please continue‘), 101: (‘Switching Protocols‘, ‘Switching to new protocol; obey Upgrade header‘), 300: (‘Multiple Choices‘, ‘Object has several resources -- see URI list‘), 301: (‘Moved Permanently‘, ‘Object moved permanently -- see URI list‘), 302: (‘Found‘, ‘Object moved temporarily -- see URI list‘), 303: (‘See Other‘, ‘Object moved -- see Method and URL list‘), 304: (‘Not Modified‘, ‘Document has not changed since given time‘), 305: (‘Use Proxy‘, ‘You must use proxy specified in Location to access this resource.‘), 307: (‘Temporary Redirect‘, ‘Object moved temporarily -- see URI list‘), 500: (‘Internal Server Error‘, ‘Server got itself in trouble‘), 501: (‘Not Implemented‘, ‘Server does not support this operation‘), 502: (‘Bad Gateway‘, ‘Invalid responses from another server/proxy.‘), 503: (‘Service Unavailable‘, ‘The server cannot process the request due to a high load‘), 504: (‘Gateway Timeout‘, ‘The gateway server did not receive a timely response‘), 505: (‘HTTP Version Not Supported‘, ‘Cannot fulfill request.‘)}

rfile :=

send_error := >

send_header := >

send_response := >

server :=

server_version := BaseHTTP/0.3

setup := >

sys_version := Python/2.7.10

timeout := None

version_string := >

wbufsize := 0

weekdayname := [‘Mon‘, ‘Tue‘, ‘Wed‘, ‘Thu‘, ‘Fri‘, ‘Sat‘, ‘Sun‘]

wfile :=

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