add pop3 sample

michaelliao · michaelliao · commit 88ea445170c0 · 2015-05-19T12:38:03.000+08:00
diff --git a/samples/mail/fetch_mail.py b/samples/mail/fetch_mail.py
@@ -0,0 +1,86 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+from email.parser import Parser
+from email.header import decode_header
+from email.utils import parseaddr
+
+import poplib
+
+# &#36755;&#20837;&#37038;&#20214;&#22320;&#22336;, &#21475;&#20196;&#21644;POP3&#26381;&#21153;&#22120;&#22320;&#22336;:
+email = input('Email: ')
+password = input('Password: ')
+pop3_server = input('POP3 server: ')
+
+def guess_charset(msg):
+    charset = msg.get_charset()
+    if charset is None:
+        content_type = msg.get('Content-Type', '').lower()
+        pos = content_type.find('charset=')
+        if pos >= 0:
+            charset = content_type[pos + 8:].strip()
+    return charset
+
+def decode_str(s):
+    value, charset = decode_header(s)[0]
+    if charset:
+        value = value.decode(charset)
+    return value
+
+def print_info(msg, indent=0):
+    if indent == 0:
+        for header in ['From', 'To', 'Subject']:
+            value = msg.get(header, '')
+            if value:
+                if header=='Subject':
+                    value = decode_str(value)
+                else:
+                    hdr, addr = parseaddr(value)
+                    name = decode_str(hdr)
+                    value = u'%s <%s>' % (name, addr)
+            print('%s%s: %s' % ('  ' * indent, header, value))
+    if (msg.is_multipart()):
+        parts = msg.get_payload()
+        for n, part in enumerate(parts):
+            print('%spart %s' % ('  ' * indent, n))
+            print('%s--------------------' % ('  ' * indent))
+            print_info(part, indent + 1)
+    else:
+        content_type = msg.get_content_type()
+        if content_type=='text/plain' or content_type=='text/html':
+            content = msg.get_payload(decode=True)
+            charset = guess_charset(msg)
+            if charset:
+                content = content.decode(charset)
+            print('%sText: %s' % ('  ' * indent, content + '...'))
+        else:
+            print('%sAttachment: %s' % ('  ' * indent, content_type))
+
+# &#36830;&#25509;&#21040;POP3&#26381;&#21153;&#22120;:
+server = poplib.POP3(pop3_server)
+# &#21487;&#20197;&#25171;&#24320;&#25110;&#20851;&#38381;&#35843;&#35797;&#20449;&#24687;:
+server.set_debuglevel(1)
+# &#21487;&#36873;:&#25171;&#21360;POP3&#26381;&#21153;&#22120;&#30340;&#27426;&#36814;&#25991;&#23383;:
+print(server.getwelcome().decode('utf-8'))
+# &#36523;&#20221;&#35748;&#35777;:
+server.user(email)
+server.pass_(password)
+# stat()&#36820;&#22238;&#37038;&#20214;&#25968;&#37327;&#21644;&#21344;&#29992;&#31354;&#38388;:
+print('Messages: %s. Size: %s' % server.stat())
+# list()&#36820;&#22238;&#25152;&#26377;&#37038;&#20214;&#30340;&#32534;&#21495;:
+resp, mails, octets = server.list()
+# &#21487;&#20197;&#26597;&#30475;&#36820;&#22238;&#30340;&#21015;&#34920;&#31867;&#20284;[b'1 82923', b'2 2184', ...]
+print(mails)
+# &#33719;&#21462;&#26368;&#26032;&#19968;&#23553;&#37038;&#20214;, &#27880;&#24847;&#32034;&#24341;&#21495;&#20174;1&#24320;&#22987;:
+index = len(mails)
+resp, lines, octets = server.retr(index)
+# lines&#23384;&#20648;&#20102;&#37038;&#20214;&#30340;&#21407;&#22987;&#25991;&#26412;&#30340;&#27599;&#19968;&#34892;,
+# &#21487;&#20197;&#33719;&#24471;&#25972;&#20010;&#37038;&#20214;&#30340;&#21407;&#22987;&#25991;&#26412;:
+msg_content = b'\r\n'.join(lines).decode('utf-8')
+# &#31245;&#21518;&#35299;&#26512;&#20986;&#37038;&#20214;:
+msg = Parser().parsestr(msg_content)
+print_info(msg)
+# &#21487;&#20197;&#26681;&#25454;&#37038;&#20214;&#32034;&#24341;&#21495;&#30452;&#25509;&#20174;&#26381;&#21153;&#22120;&#21024;&#38500;&#37038;&#20214;:
+# server.dele(index)
+# &#20851;&#38381;&#36830;&#25509;:
+server.quit()
