Chilkat2-Python

Download Google Contact Photo

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Demonstrates how to download Google Contact's photo. Chilkat2-Python

import sys
import chilkat2

success = False

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

# --------------------------------------------------------------------------------------------------------
# Note: The code for setting up the Chilkat REST object and making the initial connection can be done once.
# Once connected, the REST object may be re-used for many REST API calls.
# (It's a good idea to put the connection setup code in a separate function/subroutine.)
# --------------------------------------------------------------------------------------------------------

# It is assumed we previously obtained an OAuth2 access token.
# This example loads the JSON access token file 
# saved by this example: Get Google Contacts OAuth2 Access Token

jsonToken = chilkat2.JsonObject()
success = jsonToken.LoadFile("qa_data/tokens/googleContacts.json")
if (success != True):
    print("Failed to load googleContacts.json")
    sys.exit()

gAuth = chilkat2.AuthGoogle()
gAuth.AccessToken = jsonToken.StringOf("access_token")

rest = chilkat2.Rest()

# Connect using TLS.
bAutoReconnect = True
success = rest.Connect("www.google.com",443,True,bAutoReconnect)

# Provide the authentication credentials (i.e. the access token)
rest.SetAuthGoogle(gAuth)

# ----------------------------------------------
# OK, the REST connection setup is completed..
# ----------------------------------------------

# To get the photo, send the following:

# 	GET /m8/feeds/photos/media/default/contactId

rest.AddHeader("GData-Version","3.0")

sbPath = chilkat2.StringBuilder()
# Get the photo for the contact having contactId = "1ea2e4fe0ef24e09"
contactId = "1ea2e4fe0ef24e09"
sbPath.SetString("/m8/feeds/photos/media/default/{contactId}")
numReplacements = sbPath.Replace("{contactId}",contactId)

imageData = chilkat2.BinData()
success = rest.FullRequestNoBodyBd("GET",sbPath.GetAsString(),imageData)
if (success != True):
    print(rest.LastErrorText)
    sys.exit()

# A 404 response indicates the contact has no photo.
# (We could've first fetched the contact information, parsed out the 
# photo etag, and then if no photo etag existed, we'd know the contact has no
# photo.  Or... we can just try to download the photo and if a 404 is received,
# we know there's no photo.  Much simpler.)
if (rest.ResponseStatusCode == 404):
    print("This contact has no photo.")
    sys.exit()

# A successful response will have a status code equal to 200.
if (rest.ResponseStatusCode != 200):
    # If the response was not successful, then the response body
    # does not contain image data.  Instead it contains XML.
    sbResponseBody = chilkat2.StringBuilder()
    sbResponseBody.AppendBd(imageData,"utf-8",0,0)

    print("response status code = " + str(rest.ResponseStatusCode))
    print("response status text = " + rest.ResponseStatusText)
    print("response header: " + rest.ResponseHeader)
    print("response body: " + sbResponseBody.GetAsString())
    print("request startline: " + rest.LastRequestStartLine)
    print("request header: " + rest.LastRequestHeader)
    sys.exit()

# Examine the content-type in the response header so we know what file
# extension to use (.jpg, .png, etc.)
sbContentType = chilkat2.StringBuilder()
sbContentType.Append(rest.ResponseHdrByName("Content-Type"))

if (sbContentType.ContentsEqual("image/jpeg",False) == True):
    imageData.WriteFile("qa_output/contact_photo.jpg")

if (sbContentType.ContentsEqual("image/png",False) == True):
    imageData.WriteFile("qa_output/contact_photo.png")

print("Content-Type: " + sbContentType.GetAsString())
print("Success.")