MailGun message download

retreive.py

# This Python file uses the following encoding: utf-8
"""View a message using it’s Mailgun storage key."""
import os  
import sys
import uuid

import requests

def r_string(string_length=10):
    """Returns a random string of length string_length."""
    random = str(uuid.uuid4()) # Convert UUID format to a Python string.
    random = random.upper() # Make all characters uppercase.
    random = random.replace("-","") # Remove the UUID '-'.
    return random[0:string_length] # Return the random string.


if len(sys.argv) != 3:  
    print "Usage: retrieve.py sub_domain message_key"
    sys.exit(1)

# keep it in secret!
api_key = "key-suppliedbymailgin"
path = os.getcwd()+"/"+r_string()

# output file name

file_name = path+"/message.eml"

# let's make the url for retrieval
domain = "example.com"  
sub = sys.argv[1] 
key = sys.argv[2] 
url = "https://%s.api.mailgun.net/v3/domains/%s/messages/%s"  
url = url % (sub, domain, key)

# this will help us to get the raw MIME
headers = {"Accept": "message/rfc2822"}

# let's make a request to the API
r = requests.get(url, auth=("api", api_key), headers=headers)

if r.status_code == 200:  
    # dump the body to a file
    os.mkdir(path);
    with open(file_name, "w") as message:
        message.write(r.json()["body-mime"].encode('utf-8'))
    # open it in the bird
    # os.system("/Applications/Thunderbird.app/Contents/MacOS/thunderbird-bin -file %s" % file_name)
else:  
    print "Oops! Something went wrong: %s" % r.content

Usage
python retreive.py sub message_key

Needs API key from MailGun