filled in stub files

Added flags to messages, moved classes out of __init__.py, and documented that the inbox is where Imbox.messages are from without any folder argument.

.gitignore

@@ -31,3 +31,6 @@ nosetests.xml
 
 example.*
 example.py
+
+# PyCharm
+.idea/

README.rst

@@ -36,36 +36,53 @@ Usage
             ssl=True,
             ssl_context=None,
             starttls=False) as imbox:
+
         # Get all folders
         status, folders_with_additional_info = imbox.folders()
 
-        # Gets all messages
+        # Gets all messages from the inbox
-        all_messages = imbox.messages()
+        all_inbox_messages = imbox.messages()
 
         # Unread messages
-        unread_messages = imbox.messages(unread=True)
+        unread_inbox_messages = imbox.messages(unread=True)
+
+        # Flagged messages
+        inbox_flagged_messages = imbox.messages(flagged=True)
+
+        # Un-flagged messages
+        inbox_unflagged_messages = imbox.messages(unflagged=True)
+
+        # Flagged messages
+        flagged_messages = imbox.messages(flagged=True)
+
+        # Un-flagged messages
+        unflagged_messages = imbox.messages(unflagged=True)
 
         # Messages sent FROM
-        messages_from = imbox.messages(sent_from='martin@amon.cx')
+        inbox_messages_from = imbox.messages(sent_from='sender@example.org')
 
         # Messages sent TO
-        messages_from = imbox.messages(sent_to='martin@amon.cx')
+        inbox_messages_to = imbox.messages(sent_to='receiver@example.org')
 
         # Messages received before specific date
-        messages_from = imbox.messages(date__lt=datetime.date(2013, 7, 31))
+        inbox_messages_received_before = imbox.messages(date__lt=datetime.date(2018, 7, 31))
 
         # Messages received after specific date
-        messages_from = imbox.messages(date__gt=datetime.date(2013, 7, 30))
+        inbox_messages_received_after = imbox.messages(date__gt=datetime.date(2018, 7, 30))
 
         # Messages received on a specific date
-        messages_from = imbox.messages(date__on=datetime.date(2013, 7, 30))
+        inbox_messages_received_on_date = imbox.messages(date__on=datetime.date(2018, 7, 30))
 
         # Messages from a specific folder
-        messages_folder = imbox.messages(folder='Social')
+        messages_from_folder = imbox.messages(folder='Social')
 
+        # Messages whose subjects contain a string
+        inbox_messages_subject_christmas = imbox.messages(subject='Christmas')
 
+        # Messages from a specific folder
+        messages_in_folder_social = imbox.messages(folder='Social')
 
-        for uid, message in all_messages:
+        for uid, message in all_inbox_messages:
         # Every message is an object with the following keys
 
             message.sent_from

imbox/__init__.py

@@ -1,93 +1,8 @@
-from imbox.imap import ImapTransport
+from imbox.imbox import Imbox
-from imbox.parser import parse_email
-from imbox.query import build_search_query
 
-import logging
+__version_info__ = (0, 9, 5)
-logger = logging.getLogger(__name__)
+__version__ = '.'.join([str(x) for x in __version_info__])
 
 
-class Imbox:
+__all__ = ['Imbox']
 
-    def __init__(self, hostname, username=None, password=None, ssl=True,
-                 port=None, ssl_context=None, policy=None, starttls=False):
-
-        self.server = ImapTransport(hostname, ssl=ssl, port=port,
-                                    ssl_context=ssl_context, starttls=starttls)
-        self.hostname = hostname
-        self.username = username
-        self.password = password
-        self.parser_policy = policy
-        self.connection = self.server.connect(username, password)
-        logger.info("Connected to IMAP Server with user {username} on {hostname}{ssl}".format(
-            hostname=hostname, username=username, ssl=(" over SSL" if ssl or starttls else "")))
-
-    def __enter__(self):
-        return self
-
-    def __exit__(self, type, value, traceback):
-        self.logout()
-
-    def logout(self):
-        self.connection.close()
-        self.connection.logout()
-        logger.info("Disconnected from IMAP Server {username}@{hostname}".format(
-            hostname=self.hostname, username=self.username))
-
-    def query_uids(self, **kwargs):
-        query = build_search_query(**kwargs)
-        message, data = self.connection.uid('search', None, query)
-        if data[0] is None:
-            return []
-        return data[0].split()
-
-    def fetch_by_uid(self, uid):
-        message, data = self.connection.uid('fetch', uid, '(BODY.PEEK[])')
-        logger.debug("Fetched message for UID {}".format(int(uid)))
-        raw_email = data[0][1]
-
-        email_object = parse_email(raw_email, policy=self.parser_policy)
-
-        return email_object
-
-    def fetch_list(self, **kwargs):
-        uid_list = self.query_uids(**kwargs)
-        logger.debug("Fetch all messages for UID in {}".format(uid_list))
-
-        for uid in uid_list:
-            yield (uid, self.fetch_by_uid(uid))
-
-    def mark_seen(self, uid):
-        logger.info("Mark UID {} with \\Seen FLAG".format(int(uid)))
-        self.connection.uid('STORE', uid, '+FLAGS', '(\\Seen)')
-
-    def mark_flag(self, uid):
-        logger.info("Mark UID {} with \\Flagged FLAG".format(int(uid)))
-        self.connection.uid('STORE', uid, '+FLAGS', '(\\Flagged)')
-
-    def delete(self, uid):
-        logger.info("Mark UID {} with \\Deleted FLAG and expunge.".format(int(uid)))
-        mov, data = self.connection.uid('STORE', uid, '+FLAGS', '(\\Deleted)')
-        self.connection.expunge()
-
-    def copy(self, uid, destination_folder):
-        logger.info("Copy UID {} to {} folder".format(int(uid), str(destination_folder)))
-        return self.connection.uid('COPY', uid, destination_folder)
-
-    def move(self, uid, destination_folder):
-        logger.info("Move UID {} to {} folder".format(int(uid), str(destination_folder)))
-        if self.copy(uid, destination_folder):
-            self.delete(uid)
-
-    def messages(self, *args, **kwargs):
-        folder = kwargs.get('folder', False)
-        msg = ""
-
-        if folder:
-            self.connection.select(folder)
-            msg = " from folder '{}'".format(folder)
-
-        logger.info("Fetch list of messages{}".format(msg))
-        return self.fetch_list(**kwargs)
-
-    def folders(self):
-        return self.connection.list()

imbox/imap.py

@@ -10,22 +10,16 @@ class ImapTransport:
 
     def __init__(self, hostname, port=None, ssl=True, ssl_context=None, starttls=False):
         self.hostname = hostname
-        self.port = port
-        kwargs = {}
 
         if ssl:
-            self.transport = IMAP4_SSL
+            self.port = port or 993
-            if not self.port:
-                self.port = 993
             if ssl_context is None:
                 ssl_context = pythonssllib.create_default_context()
-            kwargs["ssl_context"] = ssl_context
+            self.server = IMAP4_SSL(self.hostname, self.port, ssl_context=ssl_context)
         else:
-            self.transport = IMAP4
+            self.port = port or 143
-            if not self.port:
+            self.server = IMAP4(self.hostname, self.port)
-                self.port = 143
 
-        self.server = self.transport(self.hostname, self.port, **kwargs)
         if starttls:
             self.server.starttls()
         logger.debug("Created IMAP4 transport for {host}:{port}"

imbox/imap.pyi

@@ -0,0 +1,13 @@
+from imaplib import IMAP4, IMAP4_SSL
+from ssl import SSLContext
+from typing import Optional, Union, Tuple, List
+
+
+class ImapTransport:
+
+    def __init__(self, hostname: str, port: Optional[int], ssl: bool,
+                 ssl_context: Optional[SSLContext], starttls: bool) -> None: ...
+
+    def list_folders(self) -> Tuple[str, List[bytes]]: ...
+
+    def connect(self, username: str, password: str) -> Union[IMAP4, IMAP4_SSL]: ...

imbox/imbox.py

@@ -0,0 +1,72 @@
+from imbox.imap import ImapTransport
+from imbox.messages import Messages
+
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class Imbox:
+
+    def __init__(self, hostname, username=None, password=None, ssl=True,
+                 port=None, ssl_context=None, policy=None, starttls=False):
+
+        self.server = ImapTransport(hostname, ssl=ssl, port=port,
+                                    ssl_context=ssl_context, starttls=starttls)
+        self.hostname = hostname
+        self.username = username
+        self.password = password
+        self.parser_policy = policy
+        self.connection = self.server.connect(username, password)
+        logger.info("Connected to IMAP Server with user {username} on {hostname}{ssl}".format(
+            hostname=hostname, username=username, ssl=(" over SSL" if ssl or starttls else "")))
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, type, value, traceback):
+        self.logout()
+
+    def logout(self):
+        self.connection.close()
+        self.connection.logout()
+        logger.info("Disconnected from IMAP Server {username}@{hostname}".format(
+            hostname=self.hostname, username=self.username))
+
+    def mark_seen(self, uid):
+        logger.info("Mark UID {} with \\Seen FLAG".format(int(uid)))
+        self.connection.uid('STORE', uid, '+FLAGS', '(\\Seen)')
+
+    def mark_flag(self, uid):
+        logger.info("Mark UID {} with \\Flagged FLAG".format(int(uid)))
+        self.connection.uid('STORE', uid, '+FLAGS', '(\\Flagged)')
+
+    def delete(self, uid):
+        logger.info("Mark UID {} with \\Deleted FLAG and expunge.".format(int(uid)))
+        self.connection.expunge()
+
+    def copy(self, uid, destination_folder):
+        logger.info("Copy UID {} to {} folder".format(int(uid), str(destination_folder)))
+        return self.connection.uid('COPY', uid, destination_folder)
+
+    def move(self, uid, destination_folder):
+        logger.info("Move UID {} to {} folder".format(int(uid), str(destination_folder)))
+        if self.copy(uid, destination_folder):
+            self.delete(uid)
+
+    def messages(self, **kwargs):
+        folder = kwargs.get('folder', False)
+
+        if folder:
+            self.connection.select(folder)
+            msg = " from folder '{}'".format(folder)
+        else:
+            msg = " from inbox"
+
+        logger.info("Fetch list of messages{}".format(msg))
+        return Messages(connection=self.connection,
+                        parser_policy=self.parser_policy,
+                        **kwargs)
+
+    def folders(self):
+        return self.connection.list()

imbox/imbox.pyi

@@ -0,0 +1,31 @@
+import datetime
+from email._policybase import Policy
+from inspect import Traceback
+from ssl import SSLContext
+from typing import Optional, Union, Tuple, List
+
+
+class Imbox:
+
+    def __init__(self, hostname: str, username: Optional[str], password: Optional[str], ssl: bool,
+                 port: Optional[int], ssl_context: Optional[SSLContext], policy: Optional[Policy], starttls: bool): ...
+
+    def __enter__(self) -> 'Imbox': ...
+
+    def __exit__(self, type: Exception, value: str, traceback: Traceback) -> None: ...
+
+    def logout(self) -> None: ...
+
+    def mark_seen(self, uid: bytes) -> None: ...
+
+    def mark_flag(self, uid: bytes) -> None: ...
+
+    def delete(self, uid: bytes) -> None: ...
+
+    def copy(self, uid: bytes, destination_folder: Union[bytes, str]) -> Tuple[str, Union[list, List[None, bytes]]]: ...
+
+    def move(self, uid: bytes, destination_folder: Union[bytes, str]) -> None: ...
+
+    def messages(self, **kwargs: Union[bool, str, datetime.date]) -> 'Messages': ...
+
+    def folders(self) -> Tuple[str, List[bytes]]: ...

imbox/messages.py

@@ -0,0 +1,62 @@
+from imbox.parser import fetch_email_by_uid
+from imbox.query import build_search_query
+
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class Messages:
+
+    def __init__(self,
+                 connection,
+                 parser_policy,
+                 **kwargs):
+
+        self.connection = connection
+        self.parser_policy = parser_policy
+        self.kwargs = kwargs
+        self._uid_list = self._query_uids(**kwargs)
+
+        logger.debug("Fetch all messages for UID in {}".format(self._uid_list))
+
+    def _fetch_email(self, uid):
+        return fetch_email_by_uid(uid=uid,
+                                  connection=self.connection,
+                                  parser_policy=self.parser_policy)
+
+    def _query_uids(self, **kwargs):
+        query_ = build_search_query(**kwargs)
+        message, data = self.connection.uid('search', None, query_)
+        if data[0] is None:
+            return []
+        return data[0].split()
+
+    def _fetch_email_list(self):
+        for uid in self._uid_list:
+            yield uid, self._fetch_email(uid)
+
+    def __repr__(self):
+        if len(self.kwargs) > 0:
+            return 'Messages({})'.format('\n'.join('{}={}'.format(key, value)
+                                                   for key, value in self.kwargs.items()))
+        return 'Messages(ALL)'
+
+    def __iter__(self):
+        return self._fetch_email_list()
+
+    def __next__(self):
+        return self
+
+    def __len__(self):
+        return len(self._uid_list)
+
+    def __getitem__(self, index):
+        uids = self._uid_list[index]
+
+        if not isinstance(uids, list):
+            uid = uids
+            return uid, self._fetch_email(uid)
+
+        return [(uid, self._fetch_email(uid))
+                for uid in uids]

imbox/messages.pyi

@@ -0,0 +1,28 @@
+import datetime
+from email._policybase import Policy
+from imaplib import IMAP4, IMAP4_SSL
+from typing import Union, List, Generator, Tuple
+
+
+class Messages:
+
+    def __init__(self,
+                 connection: Union[IMAP4, IMAP4_SSL],
+                 parser_policy: Policy,
+                 **kwargs: Union[bool, str, datetime.date]) -> None: ...
+
+    def _fetch_email(self, uid: bytes) -> 'Struct': ...
+
+    def _query_uids(self, **kwargs: Union[bool, str, datetime.date]) -> List[bytes]: ...
+
+    def _fetch_email_list(self) -> Generator[Tuple[bytes, 'Struct']]: ...
+
+    def __repr__(self) -> str: ...
+
+    def __iter__(self) -> Generator[Tuple[bytes, 'Struct']]: ...
+
+    def __next__(self) -> 'Messages': ...
+
+    def __len__(self) -> int: ...
+
+    def __getitem__(self, index) -> Union['Struct', List['Struct']]: ...

imbox/parser.py

@@ -1,14 +1,17 @@
+import imaplib
 import io
 import re
 import email
 import base64
 import quopri
+import sys
 import time
 from datetime import datetime
 from email.header import decode_header
 from imbox.utils import str_encode, str_decode
 
 import logging
+
 logger = logging.getLogger(__name__)
 
 
@@ -33,7 +36,10 @@ def decode_mail_header(value, default_charset='us-ascii'):
         return str_decode(str_encode(value, default_charset, 'replace'), default_charset)
     else:
         for index, (text, charset) in enumerate(headers):
-            logger.debug("Mail header no. {}: {} encoding {}".format(index, str_decode(text, charset or 'utf-8'), charset))
+            logger.debug("Mail header no. {index}: {data} encoding {charset}".format(
+                index=index,
+                data=str_decode(text, charset or 'utf-8', 'replace'),
+                charset=charset))
             try:
                 headers[index] = str_decode(text, charset or default_charset,
                                             'replace')
@@ -54,7 +60,7 @@ def get_mail_addresses(message, header_name):
     for index, (address_name, address_email) in enumerate(addresses):
         addresses[index] = {'name': decode_mail_header(address_name),
                             'email': address_email}
-        logger.debug("{} Mail addressees in message: <{}> {}".format(header_name.upper(), address_name, address_email))
+        logger.debug("{} Mail address in message: <{}> {}".format(header_name.upper(), address_name, address_email))
     return addresses
 
 
@@ -63,7 +69,7 @@ def decode_param(param):
     values = v.split('\n')
     value_results = []
     for value in values:
-        match = re.search(r'=\?((?:\w|-)+)\?(Q|B)\?(.+)\?=', value)
+        match = re.search(r'=\?((?:\w|-)+)\?([QB])\?(.+)\?=', value)
         if match:
             encoding, type_, code = match.groups()
             if type_ == 'Q':
@@ -124,6 +130,28 @@ def decode_content(message):
         return content
 
 
+def fetch_email_by_uid(uid, connection, parser_policy):
+    message, data = connection.uid('fetch', uid, '(BODY.PEEK[] FLAGS)')
+    logger.debug("Fetched message for UID {}".format(int(uid)))
+
+    raw_headers, raw_email = data[0]
+
+    email_object = parse_email(raw_email, policy=parser_policy)
+    flags = parse_flags(raw_headers.decode())
+    email_object.__dict__['flags'] = flags
+
+    return email_object
+
+
+def parse_flags(headers):
+    """Copied from https://github.com/girishramnani/gmail/blob/master/gmail/message.py"""
+    if len(headers) == 0:
+        return []
+    if sys.version_info[0] == 3:
+        headers = bytes(headers, "ascii")
+    return list(imaplib.ParseFlags(headers))
+
+
 def parse_email(raw_email, policy=None):
     if isinstance(raw_email, bytes):
         raw_email = str_encode(raw_email, 'utf-8', errors='ignore')
@@ -137,9 +165,7 @@ def parse_email(raw_email, policy=None):
     except UnicodeEncodeError:
         email_message = email.message_from_string(raw_email.encode('utf-8'), **email_parse_kwargs)
     maintype = email_message.get_content_maintype()
-    parsed_email = {}
+    parsed_email = {'raw_email': raw_email}
-
-    parsed_email['raw_email'] = raw_email
 
     body = {
         "plain": [],

imbox/parser.pyi

@@ -0,0 +1,30 @@
+import datetime
+from email._policybase import Policy
+from email.message import Message
+from imaplib import IMAP4_SSL
+import io
+from typing import Union, Dict, List, KeysView, Tuple, Optional
+
+
+class Struct:
+    def __init__(self, **entries: Union[
+        str, datetime.datetime, Dict[str, str], list, List[Dict[str, str]]
+    ]) -> None: ...
+
+    def keys(self) -> KeysView: ...
+
+    def __repr__(self) -> str: ...
+
+def decode_mail_header(value: str, default_charset: str) -> str: ...
+
+def get_mail_addresses(message: Message, header_name: str) -> List[Dict[str, str]]: ...
+
+def decode_param(param: str) -> Tuple[str, str]: ...
+
+def parse_attachment(message_part: Message) -> Optional[Dict[str, Union[int, str, io.BytesIO]]]: ...
+
+def decode_content(message: Message) -> str: ...
+
+def fetch_email_by_uid(uid: bytes, connection: IMAP4_SSL, parser_policy: Optional[Policy]) -> Struct: ...
+
+def parse_email(raw_email: bytes, policy: Optional[Policy]) -> Struct: ...

imbox/query.py

@@ -8,7 +8,6 @@ logger = logging.getLogger(__name__)
 def format_date(date):
     if isinstance(date, datetime.date):
         return date.strftime('%d-%b-%Y')
-    else:
     return date
 
 

imbox/query.pyi

@@ -0,0 +1,7 @@
+import datetime
+from typing import Union
+
+
+def format_date(date: Union[str, datetime.date]) -> str: ...
+
+def build_search_query(**kwargs: Union[bool, str, datetime.date]) -> str: ...

imbox/utils.py

@@ -1,14 +1,16 @@
 import logging
 logger = logging.getLogger(__name__)
 
+
 def str_encode(value='', encoding=None, errors='strict'):
     logger.debug("Encode str {} with and errors {}".format(value, encoding, errors))
     return str(value, encoding, errors)
 
+
 def str_decode(value='', encoding=None, errors='strict'):
     if isinstance(value, str):
         return bytes(value, encoding, errors).decode('utf-8')
     elif isinstance(value, bytes):
         return value.decode(encoding or 'utf-8', errors=errors)
     else:
-        raise TypeError( "Cannot decode '{}' object".format(value.__class__) )
+        raise TypeError("Cannot decode '{}' object".format(value.__class__))

imbox/utils.pyi

@@ -0,0 +1,6 @@
+from typing import Optional, Union
+
+
+def str_encode(value: Union[str, bytes], encoding: Optional[str], errors: str) -> str: ...
+
+def str_decode(value: Union[str, bytes], encoding: Optional[str], errors: str) -> Union[str, bytes]: ...

setup.py

@@ -1,7 +1,9 @@
 from setuptools import setup
 import os
 
-version = '0.9.5'
+import imbox
+
+version = imbox.__version__
 
 
 def read(filename):

tests/parser_tests.py

@@ -336,6 +336,9 @@ class TestParser(unittest.TestCase):
         from_message_object = email.message_from_string("From: John Smith <johnsmith@gmail.com>")
         self.assertEqual([{'email': 'johnsmith@gmail.com', 'name': 'John Smith'}], get_mail_addresses(from_message_object, 'from'))
 
+        invalid_encoding_in_from_message_object = email.message_from_string("From: =?UTF-8?Q?C=E4cilia?= <caciliahxg827m@example.org>")
+        self.assertEqual([{'email': 'caciliahxg827m@example.org', 'name': 'C<EFBFBD>cilia'}], get_mail_addresses(invalid_encoding_in_from_message_object, 'from'))
+
     def test_parse_email_with_policy(self):
         if not SMTP:
             return