(CkPython) Box.com Upload File

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Demonstrates how to upload a file to box.com.

Chilkat Python Downloads install with pip pip3 install chilkat or download... Python Module for Windows, MacOS, Linux, Alpine Linux, Solaris

import sys
import chilkat

# This requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

# ------------------------------------------------------------------------------------------
# Important:
# See this information about Box.com Service Accounts
# Box.com will automatically generate a Service Account where the name of the account is the name of your App. 
# When you make API calls, it is for this service account, and the files that exist and what you see are not the same as your normal account.
# ------------------------------------------------------------------------------------------

rest = chilkat.CkRest()

#   Provide a previously obtained OAuth2 access token.
oauth2 = chilkat.CkOAuth2()
oauth2.put_AccessToken("BOX_ACCESS_TOKEN")
rest.SetAuthOAuth2(oauth2)

# First, make the initial connection.
# A single REST object, once connected, can be used for many Box REST API calls.
# The auto-reconnect indicates that if the already-established HTTPS connection is closed,
# then it will be automatically re-established as needed.
bAutoReconnect = True

# ----------------------------------------------------------------------
# IMPORTANT: Note that the domain is "upload.box.com", not "api.box.com"
# ----------------------------------------------------------------------
success = rest.Connect("upload.box.com",443,True,bAutoReconnect)
if (success != True):
    print(rest.lastErrorText())
    sys.exit()

# The request body uses the "multipart/form-data" format to transmit two "parts". 
# The first part is called "attributes" and contains a JSON object with information about the file, including the name of the file 
# and the ID of the parent folder. The second part contains the contents of the file. 
# (Note that the name of the second "part" is ignored.)

rest.AddHeader("Content-Type","multipart/form-data")

# Provide the content for each part of the request...

# First the JSON attributes.  Use "0" for the root folder.
#   {"name":"penguins.jpg", "parent":{"id":"0"}}
jsonAttr = chilkat.CkJsonObject()
jsonAttr.UpdateString("name","penguins.jpg")
jsonAttr.UpdateString("parent.id","0")

rest.put_PartSelector("1")
rest.AddHeader("Content-Disposition","form-data; name=\"attributes\"; ")
rest.SetMultipartBodyString(jsonAttr.emit())

rest.put_PartSelector("2")
rest.AddHeader("Content-Disposition","form-data; name=\"file\"; filename=\"penguins.jpg\"")
# "application/octet-stream" can be safely used for any type file..
rest.AddHeader("Content-Type","application/octet-stream")

# Load the file into a binary data object, and then upload..
fileDataObj = chilkat.CkBinData()
fileDataObj.LoadFile("qa_data/jpg/penguins.jpg")
rest.SetMultipartBodyBd(fileDataObj)

# Restore the PartSelector to "0" (for safety, in case something else sends another request on this object)
rest.put_PartSelector("0")

# Send the multipart/form-data request, which uploads the file contained in fileDataObj
responseBody = rest.fullRequestMultipart("POST","/api/2.0/files/content")
if (rest.get_LastMethodSuccess() != True):
    print(rest.lastErrorText())
    sys.exit()

# A 201 is received for a successful upload
if (rest.get_ResponseStatusCode() != 201):
    print("Box.com upload failed.")
    print("Request header:")
    print(rest.lastRequestHeader())
    print("---")
    print("Response status code = " + str(rest.get_ResponseStatusCode()))
    print("Response body:")
    print(responseBody)
    sys.exit()

print("File uploaded.")