See below for an example:
from email.mime.image import MIMEImage
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
import logging
log = logging.getLogger("log")
import httplib2from StringIO import StringIO
from apiclient import discovery
from oauth2client import client
from oauth2client import tools
from oauth2client.file import Storage
try:
import argparse
flags = argparse.ArgumentParser(parents=[tools.argparser]).parse_args()
except ImportError:
flags = None
# If modifying these scopes, delete your previously saved credentials
# at ~/.credentials/gmail-python-quickstart.json
SCOPES = 'https://www.googleapis.com/auth/gmail.readonly'
CLIENT_SECRET_FILE = 'client_secret.json'
APPLICATION_NAME = 'Gmail API Python Quickstart'# mail size limit. can get up to 35MB
MAILSIZELIMIT = 1024*1024*25 # set to 25MB
def get_credentials():
"""Gets valid user credentials from storage.
If nothing has been stored, or if the stored credentials are invalid,
the OAuth2 flow is completed to obtain the new credentials.
Returns:
Credentials, the obtained credential.
"""
home_dir = os.path.expanduser('~')
credential_dir = os.path.join(home_dir, '.credentials')
if not os.path.exists(credential_dir):
os.makedirs(credential_dir)
credential_path = os.path.join(credential_dir,
'gmail-python-quickstart.json')
store = Storage(credential_path)
credentials = store.get()
if not credentials or credentials.invalid:
flow = client.flow_from_clientsecrets(CLIENT_SECRET_FILE, SCOPES)
flow.user_agent = APPLICATION_NAME
flags = argparse.ArgumentParser(parents=[tools.argparser]).parse_known_args()
if flags:
credentials = tools.run_flow(flow, store, flags)
else: # Needed only for compatibility with Python 2.6
credentials = tools.run(flow, store)
log.debug('Storing credentials to ' + credential_path)
return credentials
def jpg2attachment(filename):
"""Creates an image message from file on disk.
See other examples here: https://developers.google.com/gmail/api/guides/sending"""
with open(filename,'rb') as f:
img = MIMEImage(f.read())
img.add_header('Content-Disposition', 'attachment', filename=os.path.split(filename)[1])
return img
def send_gmail_with_attachments(sender,recipients,subject,txtcontent,attachmentfilelist=[]):
"""Sends email with attachments.
sender: string of sender name/address
recipients: a list of strings with recipients emails
subject: string of the subject
txtcontent: string with textual message body
attachmentfilelist: a list of file names. in this example it is only for jpg files.
"""
log.info('Sending email to: {}'.format(recipients))
log.debug('Connecting to gmail server')
try:
credentials = get_credentials()
http = credentials.authorize(httplib2.Http())
except:
log.error('Error with credentials')
return False
for i in range(3): # 3 attempts to connect to service.
try:
service = discovery.build('gmail', 'v1', http=http)
break
except httplib2.ServerNotFoundError,e:
if i==2:
log.error('{} of 3 attempts to connect to mail server failed.'.format(i+1))
log.error(e)
return False
COMMASPACE = ', '
toaddrs = COMMASPACE.join(recipients) # get recipients list
# Create the container (outer) email message.
msg = MIMEMultipart()
msg['Subject'] = subject
msg['From'] = sender
msg['To'] = toaddrs
# add content
txt = MIMEText('text', 'plain')
txt.set_payload(txtcontent)
msg.attach(txt)
raw = msg.as_string()
attachments = [jpg2attachment(a) for a in attachmentfilelist if a.endswith('jpg')]
# send the message via gmail
attempt = 1
while len(attachments): # as long as we have attachements
mediafile = StringIO() # placeholder for media body file
while len(attachments) and len(raw)+len(attachments[0].as_string())<MAILSIZELIMIT: # make sure we are not exceeding size limit.
msg.attach(attachments.pop(0)) # remove image attachment from list and put in message
raw = msg.as_string() # serialize message
mediafile.write(raw) # populate the media body file
media = MediaIoBaseUpload(mediafile,mimetype='message/rfc822',chunksize=1024*1024,resumable=True) # pack as a media message
if len(msg.get_payload())>1: # make sure message is not empty (in case a single attachment is over size limit
try:
service.users().messages().send(userId='me',body={},media_body=media).execute() # send the message
except Exception,e:
log.error("attampt {}. Can't send email.\n\n{}\n\n".format(attempt,e))
if attempt<=3:
attempt+=1
else:
figures = [img.get_filename() for img in msg.get_payload() if img.get_content_maintype()=='image']+[img.get_filename() for img in attachments]
log.error('Failed to send figures: {}'.format(figures))
return
else:
sentimages = [img for img in msg.get_payload() if img.get_content_maintype()=='image']
log.info('Sent figures: {}'.format([img.get_filename() for img in sentimages]))
[msg.get_payload().remove(img) for img in sentimages]# remove figures from message
elif len(attachments): # there is a too large image, send to last or remove.
img = attachments.pop(0)
if not len(img.as_string())>MAILSIZELIMIT:
log.debug('Large size attachment {} ({}) pushed to end of line.'.format(img.get_filename(),len(img.as_string())))
attachments.append(img) # push to end of line
else:
log.error('Failed to send figure: {}, size: {}'.format(img.get_filename(),len((img.as_string()))))
return True
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
import logging
log = logging.getLogger("log")
import httplib2from StringIO import StringIO
from apiclient import discovery
from oauth2client import client
from oauth2client import tools
from oauth2client.file import Storage
try:
import argparse
flags = argparse.ArgumentParser(parents=[tools.argparser]).parse_args()
except ImportError:
flags = None
# If modifying these scopes, delete your previously saved credentials
# at ~/.credentials/gmail-python-quickstart.json
SCOPES = 'https://www.googleapis.com/auth/gmail.readonly'
CLIENT_SECRET_FILE = 'client_secret.json'
APPLICATION_NAME = 'Gmail API Python Quickstart'# mail size limit. can get up to 35MB
MAILSIZELIMIT = 1024*1024*25 # set to 25MB
def get_credentials():
"""Gets valid user credentials from storage.
If nothing has been stored, or if the stored credentials are invalid,
the OAuth2 flow is completed to obtain the new credentials.
Returns:
Credentials, the obtained credential.
"""
home_dir = os.path.expanduser('~')
credential_dir = os.path.join(home_dir, '.credentials')
if not os.path.exists(credential_dir):
os.makedirs(credential_dir)
credential_path = os.path.join(credential_dir,
'gmail-python-quickstart.json')
store = Storage(credential_path)
credentials = store.get()
if not credentials or credentials.invalid:
flow = client.flow_from_clientsecrets(CLIENT_SECRET_FILE, SCOPES)
flow.user_agent = APPLICATION_NAME
flags = argparse.ArgumentParser(parents=[tools.argparser]).parse_known_args()
if flags:
credentials = tools.run_flow(flow, store, flags)
else: # Needed only for compatibility with Python 2.6
credentials = tools.run(flow, store)
log.debug('Storing credentials to ' + credential_path)
return credentials
def jpg2attachment(filename):
"""Creates an image message from file on disk.
See other examples here: https://developers.google.com/gmail/api/guides/sending"""
with open(filename,'rb') as f:
img = MIMEImage(f.read())
img.add_header('Content-Disposition', 'attachment', filename=os.path.split(filename)[1])
return img
def send_gmail_with_attachments(sender,recipients,subject,txtcontent,attachmentfilelist=[]):
"""Sends email with attachments.
sender: string of sender name/address
recipients: a list of strings with recipients emails
subject: string of the subject
txtcontent: string with textual message body
attachmentfilelist: a list of file names. in this example it is only for jpg files.
"""
log.info('Sending email to: {}'.format(recipients))
log.debug('Connecting to gmail server')
try:
credentials = get_credentials()
http = credentials.authorize(httplib2.Http())
except:
log.error('Error with credentials')
return False
for i in range(3): # 3 attempts to connect to service.
try:
service = discovery.build('gmail', 'v1', http=http)
break
except httplib2.ServerNotFoundError,e:
if i==2:
log.error('{} of 3 attempts to connect to mail server failed.'.format(i+1))
log.error(e)
return False
COMMASPACE = ', '
toaddrs = COMMASPACE.join(recipients) # get recipients list
# Create the container (outer) email message.
msg = MIMEMultipart()
msg['Subject'] = subject
msg['From'] = sender
msg['To'] = toaddrs
# add content
txt = MIMEText('text', 'plain')
txt.set_payload(txtcontent)
msg.attach(txt)
raw = msg.as_string()
attachments = [jpg2attachment(a) for a in attachmentfilelist if a.endswith('jpg')]
# send the message via gmail
attempt = 1
while len(attachments): # as long as we have attachements
mediafile = StringIO() # placeholder for media body file
while len(attachments) and len(raw)+len(attachments[0].as_string())<MAILSIZELIMIT: # make sure we are not exceeding size limit.
msg.attach(attachments.pop(0)) # remove image attachment from list and put in message
raw = msg.as_string() # serialize message
mediafile.write(raw) # populate the media body file
media = MediaIoBaseUpload(mediafile,mimetype='message/rfc822',chunksize=1024*1024,resumable=True) # pack as a media message
if len(msg.get_payload())>1: # make sure message is not empty (in case a single attachment is over size limit
try:
service.users().messages().send(userId='me',body={},media_body=media).execute() # send the message
except Exception,e:
log.error("attampt {}. Can't send email.\n\n{}\n\n".format(attempt,e))
if attempt<=3:
attempt+=1
else:
figures = [img.get_filename() for img in msg.get_payload() if img.get_content_maintype()=='image']+[img.get_filename() for img in attachments]
log.error('Failed to send figures: {}'.format(figures))
return
else:
sentimages = [img for img in msg.get_payload() if img.get_content_maintype()=='image']
log.info('Sent figures: {}'.format([img.get_filename() for img in sentimages]))
[msg.get_payload().remove(img) for img in sentimages]# remove figures from message
elif len(attachments): # there is a too large image, send to last or remove.
img = attachments.pop(0)
if not len(img.as_string())>MAILSIZELIMIT:
log.debug('Large size attachment {} ({}) pushed to end of line.'.format(img.get_filename(),len(img.as_string())))
attachments.append(img) # push to end of line
else:
log.error('Failed to send figure: {}, size: {}'.format(img.get_filename(),len((img.as_string()))))
return True
