问如何从stocktwits下载数据？

EN

###########################################################################
###  This script is a web scraper for stocktwits.                       ###
##   applied specifically on cc_transcripts   .                         ###
###  To use it you need first to install Python 3.5.2 on your computer. ###
###  Install the module "Selenium" 3.1.1, and "chromedriver.exe"        ###
###########################################################################


from selenium import webdriver
import sys
import time
from selenium.webdriver.common.keys import Keys

#only for Chrome, for firefox need another driver
print("Loading... Please wait")
Pathwebdriver="D:\\Programs\\Python\\Python35-32\\Scripts\\chromedriver.exe"
driver = webdriver.Chrome(Pathwebdriver)
#website to analyse
driver.get("https://stocktwits.com/cctranscripts?q=cctranscripts")


#Scrolling of the webpage
ScrollNumber=3
print(str(ScrollNumber)+ " scrolldown will be done.")
for i in range(1,ScrollNumber):  #scroll down X times
    print("Scrolling... #"+str(i))
    driver.execute_script("window.scrollTo(0, document.body.scrollHeight);")
    time.sleep(2) #Delay between 2 scrolls down to be sure the page loaded, 1s is too short some loading take longer


#retrieving source code     
html_source = driver.page_source
data = str(html_source.encode('utf-8'))
#driver.close()#close of chrome to able the opwning of new windows and to save source code.

#Saving source code (in the same folder as this script)
SaveSource = False
if SaveSource:
    text_file = open("SourceCode.html", "w")
    text_file.write(data)
    text_file.close()


#Analysis of the source code
PosScanning=1
GlobalList=[]
print("Processing data")
while data[PosScanning:].find("picked")>0:

    PosPick=data[PosScanning:].find("picked") +PosScanning
    List = [0, 0, 0, 0, 0, 0, 0] #Ticker,Nb of shares, Text of stocktwits,Link,Price of buying, Date, Text of CC_transcript

    #Quote
    dataBis=data[PosPick::-1] #reading the string backward
    PosBegin=PosPick - dataBis.find(">") +1 #looking for the begining of the text
    data=data[PosBegin:] #shortening the string each loop to increase the speed of processing
    PosEnd=data.find("<")#looking for the end of the text
    #print(data[PosBegin:PosEnd])
    List[2]=data[:PosEnd].replace(","," ")

    #Nb of shares
    List[1]=List[2].split(' up', 1 )[1]
    List[1]=List[1].split('share', 1 )[0]
    List[1]=List[1].replace(" ","")

    #link to the transcript
    PosLinkBegin=data.find("href=")+6
    PosLinkend=data.find("\"",PosLinkBegin,PosLinkBegin+3000)
    #print(data[PosLinkBegin:PosLinkend])
    List[3]=data[PosLinkBegin:PosLinkend]

    #Symbol
    PosSymbolBegin=data.find("data-symbol=")+13
    PosSymbolEnd=data.find("\"",PosSymbolBegin,PosSymbolBegin+300)
    #print(data[PosSymbolBegin:PosSymbolEnd])
    List[0]=data[PosSymbolBegin:PosSymbolEnd]

    #data-body, the "picked" is repeat 2 times, need to ignore it
    PosBody1=data.find("picked",PosSymbolEnd,PosSymbolEnd+10000)+100
    PosBody2=data.find("picked",PosBody1,PosBody1+10000)

    PosScanning=PosBody2 +100   
    GlobalList.append(List) 



#Opening Link to retrieve information
print("Opning links to retrieve detailed information form CC_transcript")
j=1
for item in GlobalList:
    print("Retrieving data: " +str(j)+"/"+str(len(GlobalList)))
    driver.find_element_by_tag_name('body').send_keys(Keys.COMMAND + 't')#open tab
    driver.get(item[3]) 
    html_source2 = driver.page_source
    data2 = str(html_source2.encode('utf-8'))
    #text of CC_transcript
    TextePos=data2.find("$(\"#meaning\").popover();")
    item[6] = data2[TextePos+40:TextePos+1000].replace(","," ")  
    #price of Shares
    BuyPos=item[6].find("place at")+10
    BuyPosend=item[6][BuyPos:].find("share")+BuyPos +6
    item[4]=item[6][BuyPos:BuyPosend]  
    #date
    DatePos=item[6].find(" on ")
    DatePosEnd=item[6][DatePos:].find(".")+DatePos
    item[5]=item[6][DatePos+4:DatePosEnd] 
    j=j+1
driver.close()  

#output of final data   
print("Writting data in .csv file")
f = open('stocktwits.csv','w')
f.write("Ticker")
f.write(' , ')
f.write("Nb of shares")
f.write(' , ')
f.write("Text of stocktwits")
f.write(' , ')
f.write("Link")
f.write(' , ')
f.write("Price of buying")
f.write(' , ')
f.write("Date")
f.write(' , ')
f.write("Text of CC_transcript")
f.write('\n')
for item in GlobalList:
    for elem in item:
        f.write(elem)
        f.write(' , ')# excel change of column
    f.write('\n')   # excel change of line
f.close()

time.sleep(5)   
print("Done")

import pytwits


def main():

    access_token = 'TOKEN'
    stocktwits = pytwits.StockTwits(access_token=access_token)

    watchlist = stocktwits.watchlists(path='show', id='WL_ID_HERE')
    print('\n\n'.join([symbol['symbol'] for symbol in watchlist.symbols]))


if __name__ == '__main__':
    main()