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Based on RFC 2060.
Public class: IMAP4
Public variable: Debug
Public functions: Internaldate2tuple
Int2AP
ParseFlags
Time2Internaldate
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Instantiate with: IMAP4([host[, port]])
host - host's name (default: localhost);
port - port number (default: standard IMAP4 port).
All IMAP4rev1 commands are supported by methods of the same
name (in lower-case).
All arguments to commands are converted to strings, except for
AUTHENTICATE, and the last argument to APPEND which is passed as
an IMAP4 literal. If necessary (the string contains any
non-printing characters or white-space and isn't enclosed with
either parentheses or double quotes) each string is quoted.
However, the 'password' argument to the LOGIN command is always
quoted. If you want to avoid having an argument string quoted
(eg: the 'flags' argument to STORE) then enclose the string in
parentheses (eg: "(\Deleted)").
Each command returns a tuple: (type, [data, ...]) where 'type'
is usually 'OK' or 'NO', and 'data' is either the text from the
tagged response, or untagged results from command. Each 'data'
is either a string, or a tuple. If a tuple, then the first part
is the header of the response, and the second part contains
the data (ie: 'literal' value).
Errors raise the exception class <instance>.error("<reason>").
IMAP4 server errors raise <instance>.abort("<reason>"),
which is a sub-class of 'error'. Mailbox status changes
from READ-WRITE to READ-ONLY raise the exception class
<instance>.readonly("<reason>"), which is a sub-class of 'abort'.
"error" exceptions imply a program error.
"abort" exceptions imply the connection should be reset, and
the command re-tried.
"readonly" exceptions imply the command should be re-tried.
Note: to use this module, you must read the RFCs pertaining to the
IMAP4 protocol, as the semantics of the arguments to each IMAP4
command are left to the invoker, not to mention the results. Also,
most IMAP servers implement a sub-set of the commands available here.
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_get_responseZwelcomerE rB r< �_get_capabilities�AllowedVersions� capabilities�PROTOCOL_VERSION)rO �versionr: r: r; rK � s
zIMAP4._connectc C s3 | t k r t | | j � � St d | � � d S)NzUnknown IMAP4 command: '%s')�Commands�getattr�lower�AttributeError)rO �attrr: r: r; � __getattr__� s zIMAP4.__getattr__c C s t j | j | j f � S)N)�socketZcreate_connectionrP rQ )rO r: r: r; �_create_socket� s zIMAP4._create_socketc C s: | | _ | | _ | j � | _ | j j d � | _ d S)z�Setup connection to remote server on "host:port"
(default: localhost:standard IMAP4 port).
This connection will be used by the routines:
read, readline, send, shutdown.
�rbN)rP rQ rg �sock�makefile�file)rO rP rQ r: r: r; rJ � s z
IMAP4.openc C s | j j | � S)z Read 'size' bytes from remote.)rk �read)rO �sizer: r: r; rl s z
IMAP4.readc C sB | j j t d � } t | � t k r> | j d t � � n | S)zRead line from remote.� zgot more than %d bytes)rk �readline�_MAXLINE�lenr< )rO �liner: r: r; ro s zIMAP4.readlinec C s | j j | � d S)zSend data to remote.N)ri Zsendall)rO �datar: r: r; �send s z
IMAP4.sendc C s} | j j � z[ y | j j t j � Wn= t k
rf } z | j t j k rT � n WYd d } ~ Xn XWd | j j � Xd S)z Close I/O established in "open".N) rk �closeri rM rf Z SHUT_RDWRrN �errnoZENOTCONN)rO �er: r: r; rM s
zIMAP4.shutdownc C s | j S)zfReturn socket instance used to connect to IMAP4 server.
socket = <instance>.socket()
)ri )rO r: r: r; rf % s z IMAP4.socketc C s] d } | j d d g | � \ } } | d r8 | | f S| j � \ } } | j | | | � S)a Return most recent 'RECENT' responses if any exist,
else prompt server for an update using the 'NOOP' command.
(typ, [data]) = <instance>.recent()
'data' is None if no new messages,
else list of RECENT responses, most recent last.
ZRECENTrS Nrn ���)�_untagged_response�noop)rO �name�typ�datr: r: r; �recent1 s
z IMAP4.recentc C s | j | d g | j � � S)z�Return data for response 'code' if received, or None.
Old value for response 'code' is cleared.
(code, [data]) = <instance>.response(code)
N)ry �upper)rO �coder: r: r; �responseB s zIMAP4.responsec C s� d } | s d } n | rE | d | d f d
k rK d | } qK n d } | r` t | � } n d } t j t | � | _ | j | | | | � S) z�Append message to named mailbox.
(typ, [data]) = <instance>.append(mailbox, flags, date_time, message)
All args except `message' can be None.
r �INBOXr rn �(�)z(%s)Nrx )r� r� )r �MapCRLF�sub�CRLFrC �_simple_command)rO �mailbox�flags� date_time�messager{ r: r: r; �appendP s z IMAP4.appendc C sk | j � } t | � j | _ | j d | � \ } } | d k rX | j | d � � n d | _ | | f S)as Authenticate command - requires response processing.
'mechanism' specifies which authentication mechanism is to
be used - it must appear in <instance>.capabilities in the
form AUTH=<mechanism>.
'authobject' must be a callable object:
data = authobject(response)
It will be called to process server continuation responses; the
response argument it is passed will be a bytes. It should return bytes
data that will be base64 encoded and sent to the server. It should
return None if the client abort response '*' should be sent instead.
r rS rn r
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authobject�mechr| r} r: r: r; � authenticateg s zIMAP4.authenticatec C s. d } | j | � \ } } | j | | | � S)zT(typ, [data]) = <instance>.capability()
Fetch capabilities list from server.r )r� ry )rO r{ r| r} r: r: r; �
capability� s zIMAP4.capabilityc C s
| j d � S)zRCheckpoint mailbox on server.
(typ, [data]) = <instance>.check()
r )r� )rO r: r: r; �check� s z IMAP4.checkc C s0 z | j d � \ } } Wd d | _ X| | f S)z�Close currently selected mailbox.
Deleted messages are removed from writable mailbox.
This is the recommended command before 'LOGOUT'.
(typ, [data]) = <instance>.close()
r Nr
)r� rB )rO r| r} r: r: r; ru � s
z IMAP4.closec C s | j d | | � S)z�Copy 'message_set' messages onto end of 'new_mailbox'.
(typ, [data]) = <instance>.copy(message_set, new_mailbox)
r )r� )rO � message_setZ new_mailboxr: r: r; �copy� s z
IMAP4.copyc C s | j d | � S)zPCreate new mailbox.
(typ, [data]) = <instance>.create(mailbox)
r )r� )rO r� r: r: r; �create� s z IMAP4.createc C s | j d | � S)zPDelete old mailbox.
(typ, [data]) = <instance>.delete(mailbox)
r )r� )rO r� r: r: r; �delete� s z IMAP4.deletec C s | j d | | � S)z�Delete the ACLs (remove any rights) set for who on mailbox.
(typ, [data]) = <instance>.deleteacl(mailbox, who)
r )r� )rO r� �whor: r: r; � deleteacl� s zIMAP4.deleteaclc C s. d } | j | � \ } } | j | | | � S)z�Permanently remove deleted items from selected mailbox.
Generates 'EXPUNGE' response for each deleted message.
(typ, [data]) = <instance>.expunge()
'data' is list of 'EXPUNGE'd message numbers in order received.
r )r� ry )rO r{ r| r} r: r: r; �expunge� s z
IMAP4.expungec C s4 d } | j | | | � \ } } | j | | | � S)a# Fetch (parts of) messages.
(typ, [data, ...]) = <instance>.fetch(message_set, message_parts)
'message_parts' should be a string of selected parts
enclosed in parentheses, eg: "(UID BODY[TEXT])".
'data' are tuples of message part envelope and data.
r )r� ry )rO r� Z
message_partsr{ r| r} r: r: r; �fetch� s
z IMAP4.fetchc C s+ | j d | � \ } } | j | | d � S)zXGet the ACLs for a mailbox.
(typ, [data]) = <instance>.getacl(mailbox)
r ZACL)r� ry )rO r� r| r} r: r: r; �getacl� s z IMAP4.getaclc C s1 | j d | | | � \ } } | j | | d � S)za(typ, [data]) = <instance>.getannotation(mailbox, entry, attribute)
Retrieve ANNOTATIONs.r �
ANNOTATION)r� ry )rO r� �entryZ attributer| r} r: r: r; �
getannotation� s zIMAP4.getannotationc C s+ | j d | � \ } } | j | | d � S)z�Get the quota root's resource usage and limits.
Part of the IMAP4 QUOTA extension defined in rfc2087.
(typ, [data]) = <instance>.getquota(root)
r �QUOTA)r� ry )rO �rootr| r} r: r: r; �getquota� s zIMAP4.getquotac C s^ | j d | � \ } } | j | | d � \ } } | j | | d � \ } } | | | g f S)z�Get the list of quota roots for the named mailbox.
(typ, [[QUOTAROOT responses...], [QUOTA responses]]) = <instance>.getquotaroot(mailbox)
r r� Z QUOTAROOT)r� ry )rO r� r| r} ZquotaZ quotarootr: r: r; � getquotaroot� s zIMAP4.getquotarootz""�*c C s4 d } | j | | | � \ } } | j | | | � S)z�List mailbox names in directory matching pattern.
(typ, [data]) = <instance>.list(directory='""', pattern='*')
'data' is list of LIST responses.
r" )r� ry )rO � directory�patternr{ r| r} r: r: r; �list s z
IMAP4.listc C sY | j d | | j | � � \ } } | d k rF | j | d � � n d | _ | | f S)z�Identify client using plaintext password.
(typ, [data]) = <instance>.login(user, password)
NB: 'password' will be quoted.
r# rS rn r
rx )r� �_quoter< rB )rO �user�passwordr| r} r: r: r; �login s
$ z IMAP4.loginc C s& | | | _ | _ | j d | j � S)zr Force use of CRAM-MD5 authentication.
(typ, [data]) = <instance>.login_cram_md5(user, password)
zCRAM-MD5)r� r� r� �_CRAM_MD5_AUTH)rO r� r� r: r: r; �login_cram_md5 s zIMAP4.login_cram_md5c C s] d d l } t | j t � r0 | j j d � n | j } | j d | j | | d � j � S)z1 Authobject to use with CRAM-MD5 authentication. r NrX � Zmd5)�hmac�
isinstancer� �str�encoder� ZHMACZ hexdigest)rO Z challenger� �pwdr: r: r; r� ) s $ zIMAP4._CRAM_MD5_AUTHc C s� d | _ y | j d � \ } } Wn, d d t j � d d � g } } Yn X| j � d | j k r{ d | j d f S| | f S)z|Shutdown connection to server.
(typ, [data]) = <instance>.logout()
Returns server 'BYE' response.
r �NOz%s: %sN� �BYE)rB r� �sys�exc_inforM rE )rO r| r} r: r: r; �logout1 s )
z IMAP4.logoutc C s4 d } | j | | | � \ } } | j | | | � S)z�List 'subscribed' mailbox names in directory matching pattern.
(typ, [data, ...]) = <instance>.lsub(directory='""', pattern='*')
'data' are tuples of message part envelope and data.
r$ )r� ry )rO r� r� r{ r| r} r: r: r; �lsubA s z
IMAP4.lsubc C s+ | j d | � \ } } | j | | d � S)z�Show my ACLs for a mailbox (i.e. the rights that I have on mailbox).
(typ, [data]) = <instance>.myrights(mailbox)
r! )r� ry )rO r� r| r} r: r: r; �myrightsL s zIMAP4.myrightsc C s. d } | j | � \ } } | j | | | � S)zb Returns IMAP namespaces ala rfc2342
(typ, [data, ...]) = <instance>.namespace()
r% )r� ry )rO r{ r| r} r: r: r; � namespaceT s zIMAP4.namespacec C s
| j d � S)zFSend NOOP command.
(typ, [data]) = <instance>.noop()
r& )r� )rO r: r: r; rz ^ s z
IMAP4.noopc C s: d } | j | | | | | � \ } } | j | | d � S)z�Fetch truncated part of a message.
(typ, [data, ...]) = <instance>.partial(message_num, message_part, start, length)
'data' is tuple of message part envelope and data.
r' r )r� ry )rO Z message_numZ message_part�startZlengthr{ r| r} r: r: r; �partiali s !z
IMAP4.partialc C s d } | j d | � S)z�Assume authentication as "user".
Allows an authorised administrator to proxy into any user's
mailbox.
(typ, [data]) = <instance>.proxyauth(user)
r( )r� )rO r� r{ r: r: r; � proxyauthu s zIMAP4.proxyauthc C s | j d | | � S)zkRename old mailbox name to new.
(typ, [data]) = <instance>.rename(oldmailbox, newmailbox)
r) )r� )rO Z
oldmailboxZ
newmailboxr: r: r; �rename� s z IMAP4.renamec G sX d } | r- | j | d | | � \ } } n | j | | � \ } } | j | | | � S)z�Search mailbox for matching messages.
(typ, [data]) = <instance>.search(charset, criterion, ...)
'data' is space separated list of matching message numbers.
r* �CHARSET)r� ry )rO �charsetZcriteriar{ r| r} r: r: r; �search� s
!z IMAP4.searchr� Fc C s� i | _ | | _ | r! d } n d } | j | | � \ } } | d k r^ d | _ | | f Sd | _ d | j k r� | r� | j d | � � n | | j j d d g � f S)
at Select a mailbox.
Flush all untagged responses.
(typ, [data]) = <instance>.select(mailbox='INBOX', readonly=False)
'data' is count of messages in mailbox ('EXISTS' response).
Mandated responses are ('FLAGS', 'EXISTS', 'RECENT', 'UIDVALIDITY'), so
other responses should be obtained via <instance>.response('FLAGS') etc.
r r+ rS r
r z READ-ONLYz%s is not writable�EXISTSN)rE rG r� rB r> �get)rO r� r> r{ r| r} r: r: r; �select� s
z IMAP4.selectc C s | j d | | | � S)zZSet a mailbox acl.
(typ, [data]) = <instance>.setacl(mailbox, who, what)
r, )r� )rO r� r� Zwhatr: r: r; �setacl� s z IMAP4.setaclc G s+ | j d | � \ } } | j | | d � S)z_(typ, [data]) = <instance>.setannotation(mailbox[, entry, attribute]+)
Set ANNOTATIONs.r- r� )r� ry )rO �argsr| r} r: r: r; �
setannotation� s zIMAP4.setannotationc C s. | j d | | � \ } } | j | | d � S)ziSet the quota root's resource limits.
(typ, [data]) = <instance>.setquota(root, limits)
r. r� )r� ry )rO r� Zlimitsr| r} r: r: r; �setquota� s zIMAP4.setquotac G s^ d } | d | d f d k r- d | } n | j | | | | � \ } } | j | | | � S) z�IMAP4rev1 extension SORT command.
(typ, [data]) = <instance>.sort(sort_criteria, charset, search_criteria, ...)
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IMAP4.sortNc C s d } t s | j d � � n | j r9 | j d � � n | | j k rZ | j d � � n | d k ru t j � } n | j | � \ } } | d k r� | j | j d | j
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Nr0 zSSL support missingz TLS session already establishedzTLS not supported by serverrS �server_hostnamerh Tz Couldn't establish TLS session)�HAVE_SSLr< rI r= r] �ssl�_create_stdlib_contextr� � wrap_socketri rP rj rk r[ ry )rO � ssl_contextr{ r| r} r: r: r; �starttls� s$
zIMAP4.starttlsc C s4 d } | j | | | � \ } } | j | | | � S)zpRequest named status conditions for mailbox.
(typ, [data]) = <instance>.status(mailbox, names)
r1 )r� ry )rO r� �namesr{ r| r} r: r: r; �status� s z IMAP4.statusc C sX | d | d f d k r' d | } n | j d | | | � \ } } | j | | d � S)
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(typ, [data]) = <instance>.store(message_set, command, flags)
r rn r� r� z(%s)r2 r rx )r� r� )r� ry )rO r� �commandr� r| r} r: r: r; �store s
z IMAP4.storec C s | j d | � S)zYSubscribe to new mailbox.
(typ, [data]) = <instance>.subscribe(mailbox)
r3 )r� )rO r� r: r: r; � subscribe s zIMAP4.subscribec G s7 d } | j | | | | � \ } } | j | | | � S)z�IMAPrev1 extension THREAD command.
(type, [data]) = <instance>.thread(threading_algorithm, charset, search_criteria, ...)
r4 )r� ry )rO Zthreading_algorithmr� r� r{ r| r} r: r: r; �thread s z IMAP4.threadc G s� | j � } | t k r. | j d | � � n | j t | k rp | j d | | j d j t | � f � � n d } | j | | | � \ } } | d k r� | } n d } | j | | | � S)
z�Execute "command arg ..." with messages identified by UID,
rather than message number.
(typ, [data]) = <instance>.uid(command, arg1, arg2, ...)
Returns response appropriate to 'command'.
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r6 )r� )rO r� r: r: r; � unsubscribe9 s zIMAP4.unsubscribec G s; | j � } | t k r+ | j f t | <n | j | | � S)a Allow simple extension commands
notified by server in CAPABILITY response.
Assumes command is legal in current state.
(typ, [data]) = <instance>.xatom(name, arg, ...)
Returns response appropriate to extension command `name'.
)r r` rB r� )rO r{ r� r: r: r; �xatomA s
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| g | | <d S)N� )rE r� )rO r| r} Zurr: r: r; �_append_untaggedW s zIMAP4._append_untaggedc C s> | j j d � } | r: | j | d j d d � � � n d S)Nr� rn �ascii�replacerx )rE r� r= �decode)rO Zbyer: r: r; �
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r�} z | j d | � � WYd d } ~ Xn X| d k r�| Sx� x! | j � r | j | r�| Sq�W| r%| | j � } n y | j | � | j t � Wn8 t k
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ru } z | j d | | f � � WYd d } ~ XnA | j k
r� } z | j d | | f � � WYd d } ~ Xn X| d k r� | j � n | d k r� | j d | | | f � � n | | f S)Nr zcommand: %s => %sr� z%s command error: %s %s)r� �_get_tagged_responser= r< )rO r{ r� r| rs r� r: r: r; �_command_complete� s
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| � r | j j d � | _ d S| j d | � � n | j j d � } t | d � } | j j d � } | d k r~d } n | r�| d
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| j j d � � } | j | � } | j | | | f � | j � } q�W| j | | � | d k re| j t | � re| j j d � } t | d � } | j | | j j d � � n | S)Nr� z unexpected tagged response: %sr� rX rs Zdata2zunexpected response: '%s'r� r� r� rm rS r� r� )zOKzNOzBAD)� _get_line�_matchrY �mo�grouprD r= r� �Untagged_response�Untagged_status� ContinuationrF �Literal�intrl r� �
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zIMAP4._get_tagged_responsec C s] | j � } | s$ | j d � � n | j d � sI | j d | � � n | d d � } | S)Nzsocket error: EOFs
z#socket error: unterminated line: %rr� ���)ro r= �endswith)rO rr r: r: r; r� = s zIMAP4._get_linec C s | j | � | _ | j d k S)N)�matchr� )rO Zcre�sr: r: r; r� P s z IMAP4._matchc C s@ | j t t | j � d � } | j d | _ d | j | <| S)NrX rn )rU r� r� rH rD )rO r� r: r: r; r� \ s
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� IMAP4_SSLa3 IMAP4 client class over SSL connection
Instantiate with: IMAP4_SSL([host[, port[, keyfile[, certfile[, ssl_context]]]]])
host - host's name (default: localhost);
port - port number (default: standard IMAP4 SSL port);
keyfile - PEM formatted file that contains your private key (default: None);
certfile - PEM formatted certificate chain file (default: None);
ssl_context - a SSLContext object that contains your certificate chain
and private key (default: None)
Note: if ssl_context is provided, then parameters keyfile or
certfile should not be set otherwise ValueError is raised.
for more documentation see the docstring of the parent class IMAP4.
r? Nc C s� | d k r' | d k r' t d � � n | d k rN | d k rN t d � � n | | _ | | _ | d k r� t j d | d | � } n | | _ t j | | | � d S)Nz8ssl_context and keyfile arguments are mutually exclusivez9ssl_context and certfile arguments are mutually exclusive�certfile�keyfile)�
ValueErrorr r r� r� r� r rR )rO rP rQ r r r� r: r: r; rR � s zIMAP4_SSL.__init__c C s( t j | � } | j j | d | j �S)Nr� )r rg r� r� rP )rO ri r: r: r; rg � s zIMAP4_SSL._create_socketc C s t j | | | � d S)z�Setup connection to remote server on "host:port".
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This connection will be used by the routines:
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N)r rJ )rO rP rQ r: r: r; rJ � s zIMAP4_SSL.open)r7 r8 r9 r �IMAP4_SSL_PORTrR rg rJ r: r: r: r; r � s r c @ sd e Z d Z d Z d d � Z d d d d � Z d d � Z d d
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Instantiate with: IMAP4_stream(command)
where "command" is a string that can be passed to subprocess.Popen()
for more documentation see the docstring of the parent class IMAP4.
c C s | | _ t j | � d S)N)r� r rR )rO r� r: r: r; rR � s zIMAP4_stream.__init__Nc C s d | _ d | _ d | _ d | _ t j | j d t d t j d t j d d d d �| _ | j j
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zIMAP4_stream.shutdown)
r7 r8 r9 r rR rJ rl ro rt rM r: r: r: r; r � s c @ sF e Z d Z d Z d d � Z d d � Z d d � Z d d � Z d
S) r� zcPrivate class to provide en/decoding
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r� z0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Decr� c C s) i | ] \ } } | d | j � � q S)rn )r� )�.0�nr r: r: r; �
<dictcomp>> s r rn c C s7 t j | � } | s d St | j d � } | j d � } t | j d � � } t | j d � � } t | j d � � } t | j d � � } t | j d � � } t | j d � � } t | j d
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� S)z�Parse an IMAP4 INTERNALDATE string.
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� � d j t | j � } | j | � S)a� Convert date_time to IMAP4 INTERNALDATE representation.
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seconds since epoch (as returned by time.time()), a 9-tuple
representing local time, an instance of time.struct_time (as
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double-quoted string. In the last case, it is assumed to already
be in the correct format.
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If you would like to see debugging output,
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