Uploading attachments using Win32 in Web Automation

One Scenario as follows

In baidu home page ," Search by image " when , Need to upload pictures .

Two Tools and environments

1\ Need to install winspy This tool

2\ Need to install win32 library pip install pywin32

winspy Usage of

location

(1) Call the file upload window

(2) open winspy, single click " Aimed at " Shape button , Don't let go . Drag the button to the window element you want to locate , such as " file name " Input fields and " open " Button

(3) And then in winspy Fetch element class and Element text

If there is no text content ,cation It's empty
(4) View the hierarchical path of the element .
stay winspy Panel click "more"( Some versions are tree),

Click on "locate", Will show "edit" Path . Handle in turn \classname\ Text

You can see "edit" Altogether 4 Level path , And you can get the handle of each level of path \ Classes and text

Use pywin32 Finish uploading files

win32gui.FindWindow(IpClassName,IpWindowName)
ipclassname Elemental class ipwindowname caption

win32gui.FindWindowEX(hwndparent=0, hwndchildafter=0,ipszclass=None,ipszwindow=None)
Search for forms whose class name matches the text
hwndparent If not 0, Then the search handle is hwndparent Form
hwndchildafter If not 0, According to z-index Search in the order of hwndchildafter Subform of , Otherwise, search from the first subform
ipszclass class The name of
ipszwindow Form caption

win32gui.sendMessage(hwnd,msg,Wparame,Iparame)
hwnd: Handle to the form that accepts the message
msg: news , Pre existing windows Defined commands
wparame and iparame Unclear , For these two parameters, please refer to this article
wparame and iparame The explanation of

import win32gui
import win32con

#  Get top-level window , Pass in the top-level window class and caption
dialog = win32gui.FindWindow("#32770"," Open file ")

#  Get the secondary window 
#  Pass in the parent window ,0, window class and caption, If caption Use if it is empty None
ComboBoxEx32 = win32gui.FindWindowEx(dialog,0,"ComboBoxEx32",None)

#  Get the three-level window 
ComboBox = win32gui.FindWindowEx(ComboBoxEx32,0,"ComboBox",None)

#  Get level 4 elements 
edit =  win32gui.FindWindowEx(ComboBox,0,"Edit",None)

#  obtain " open " Button 
button = win32gui.FindWindowEX(dialog,0,"Button"," open (&O)")

# " file name " Enter the file path 
win32gui.sendmessage(edit,win32con.WM_SETTEXT,None," File path ")
#  Click on " open "
win32gui.sendmessage(dialog,win32con.WM_CoMMANd,1,button)