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-rw-r--r--Lib/email/Encoders.py29
-rw-r--r--Lib/email/Iterators.py32
-rw-r--r--Lib/email/Message.py16
-rw-r--r--Lib/email/Utils.py19
-rw-r--r--Lib/email/__init__.py2
-rw-r--r--Lib/email/_compat21.py59
-rw-r--r--Lib/email/_compat22.py56
7 files changed, 168 insertions, 45 deletions
diff --git a/Lib/email/Encoders.py b/Lib/email/Encoders.py
index f09affa..c369a24 100644
--- a/Lib/email/Encoders.py
+++ b/Lib/email/Encoders.py
@@ -5,15 +5,34 @@
"""
import base64
-from quopri import encodestring as _encodestring
# Helpers
-def _qencode(s):
- enc = _encodestring(s, quotetabs=1)
- # Must encode spaces, which quopri.encodestring() doesn't do
- return enc.replace(' ', '=20')
+try:
+ from quopri import encodestring as _encodestring
+
+ def _qencode(s):
+ enc = _encodestring(s, quotetabs=1)
+ # Must encode spaces, which quopri.encodestring() doesn't do
+ return enc.replace(' ', '=20')
+except ImportError:
+ # Python 2.1 doesn't have quopri.encodestring()
+ from cStringIO import StringIO
+ import quopri as _quopri
+
+ def _qencode(s):
+ if not s:
+ return s
+ hasnewline = (s[-1] == '\n')
+ infp = StringIO(s)
+ outfp = StringIO()
+ _quopri.encode(infp, outfp, quotetabs=1)
+ # Python 2.x's encode() doesn't encode spaces even when quotetabs==1
+ value = outfp.getvalue().replace(' ', '=20')
+ if not hasnewline and value[-1] == '\n':
+ return value[:-1]
+ return value
def _bencode(s):
diff --git a/Lib/email/Iterators.py b/Lib/email/Iterators.py
index 515bac9..a6ddceb 100644
--- a/Lib/email/Iterators.py
+++ b/Lib/email/Iterators.py
@@ -4,30 +4,8 @@
"""Various types of useful iterators and generators.
"""
-from __future__ import generators
-from cStringIO import StringIO
-from types import StringType
-
-
-
-def body_line_iterator(msg):
- """Iterate over the parts, returning string payloads line-by-line."""
- for subpart in msg.walk():
- payload = subpart.get_payload()
- if type(payload) is StringType:
- for line in StringIO(payload):
- yield line
-
-
-
-def typed_subpart_iterator(msg, maintype='text', subtype=None):
- """Iterate over the subparts with a given MIME type.
-
- Use `maintype' as the main MIME type to match against; this defaults to
- "text". Optional `subtype' is the MIME subtype to match against; if
- omitted, only the main type is matched.
- """
- for subpart in msg.walk():
- if subpart.get_main_type('text') == maintype:
- if subtype is None or subpart.get_subtype('plain') == subtype:
- yield subpart
+try:
+ from email._compat22 import body_line_iterator, typed_subpart_iterator
+except SyntaxError:
+ # Python 2.1 doesn't have generators
+ from email._compat21 import body_line_iterator, typed_subpart_iterator
diff --git a/Lib/email/Message.py b/Lib/email/Message.py
index 71d10c4..6cb659c 100644
--- a/Lib/email/Message.py
+++ b/Lib/email/Message.py
@@ -607,17 +607,11 @@ class Message:
newheaders.append((h, v))
self._headers = newheaders
- def walk(self):
- """Walk over the message tree, yielding each subpart.
-
- The walk is performed in depth-first order. This method is a
- generator.
- """
- yield self
- if self.is_multipart():
- for subpart in self.get_payload():
- for subsubpart in subpart.walk():
- yield subsubpart
+ try:
+ from email._compat22 import walk
+ except SyntaxError:
+ # Must be using Python 2.1
+ from email._compat21 import walk
def get_charsets(self, failobj=None):
"""Return a list containing the charset(s) used in this message.
diff --git a/Lib/email/Utils.py b/Lib/email/Utils.py
index 927d67e..a2b6c87 100644
--- a/Lib/email/Utils.py
+++ b/Lib/email/Utils.py
@@ -21,7 +21,24 @@ from rfc822 import mktime_tz
from rfc822 import parsedate as _parsedate
from rfc822 import parsedate_tz as _parsedate_tz
-from quopri import decodestring as _qdecode
+try:
+ from quopri import decodestring as _qdecode
+except ImportError:
+ # Python 2.1 doesn't have quopri.decodestring()
+ def _qdecode(s):
+ import quopri as _quopri
+
+ if not s:
+ return s
+ hasnewline = (s[-1] == '\n')
+ infp = StringIO(s)
+ outfp = StringIO()
+ _quopri.decode(infp, outfp)
+ value = outfp.getvalue()
+ if not hasnewline and value[-1] =='\n':
+ return value[:-1]
+ return value
+
import base64
# Intrapackage imports
diff --git a/Lib/email/__init__.py b/Lib/email/__init__.py
index f4a5b76..c29e7f7 100644
--- a/Lib/email/__init__.py
+++ b/Lib/email/__init__.py
@@ -4,7 +4,7 @@
"""A package for parsing, handling, and generating email messages.
"""
-__version__ = '2.0'
+__version__ = '2.0.3'
__all__ = ['Charset',
'Encoders',
diff --git a/Lib/email/_compat21.py b/Lib/email/_compat21.py
new file mode 100644
index 0000000..932de48
--- /dev/null
+++ b/Lib/email/_compat21.py
@@ -0,0 +1,59 @@
+# Copyright (C) 2002 Python Software Foundation
+# Author: barry@zope.com
+
+"""Module containing compatibility functions for Python 2.1.
+"""
+
+from cStringIO import StringIO
+from types import StringType, UnicodeType
+
+
+
+# This function will become a method of the Message class
+def walk(self):
+ """Walk over the message tree, yielding each subpart.
+
+ The walk is performed in depth-first order. This method is a
+ generator.
+ """
+ parts = []
+ parts.append(self)
+ if self.is_multipart():
+ for subpart in self.get_payload():
+ parts.extend(subpart.walk())
+ return parts
+
+
+# Used internally by the Header class
+def _intdiv2(i):
+ """Do an integer divide by 2."""
+ return i / 2
+
+
+
+# These two functions are imported into the Iterators.py interface module.
+# The Python 2.2 version uses generators for efficiency.
+def body_line_iterator(msg):
+ """Iterate over the parts, returning string payloads line-by-line."""
+ lines = []
+ for subpart in msg.walk():
+ payload = subpart.get_payload()
+ if isinstance(payload, StringType) or isinstance(payload, UnicodeType):
+ for line in StringIO(payload).readlines():
+ lines.append(line)
+ return lines
+
+
+def typed_subpart_iterator(msg, maintype='text', subtype=None):
+ """Iterate over the subparts with a given MIME type.
+
+ Use `maintype' as the main MIME type to match against; this defaults to
+ "text". Optional `subtype' is the MIME subtype to match against; if
+ omitted, only the main type is matched.
+ """
+ parts = []
+ for subpart in msg.walk():
+ if subpart.get_main_type('text') == maintype:
+ if subtype is None or subpart.get_subtype('plain') == subtype:
+ parts.append(subpart)
+ return parts
diff --git a/Lib/email/_compat22.py b/Lib/email/_compat22.py
new file mode 100644
index 0000000..d505c96
--- /dev/null
+++ b/Lib/email/_compat22.py
@@ -0,0 +1,56 @@
+# Copyright (C) 2002 Python Software Foundation
+# Author: barry@zope.com
+
+"""Module containing compatibility functions for Python 2.1.
+"""
+
+from __future__ import generators
+from __future__ import division
+from cStringIO import StringIO
+from types import StringTypes
+
+
+
+# This function will become a method of the Message class
+def walk(self):
+ """Walk over the message tree, yielding each subpart.
+
+ The walk is performed in depth-first order. This method is a
+ generator.
+ """
+ yield self
+ if self.is_multipart():
+ for subpart in self.get_payload():
+ for subsubpart in subpart.walk():
+ yield subsubpart
+
+
+# Used internally by the Header class
+def _intdiv2(i):
+ """Do an integer divide by 2."""
+ return i // 2
+
+
+
+# These two functions are imported into the Iterators.py interface module.
+# The Python 2.2 version uses generators for efficiency.
+def body_line_iterator(msg):
+ """Iterate over the parts, returning string payloads line-by-line."""
+ for subpart in msg.walk():
+ payload = subpart.get_payload()
+ if isinstance(payload, StringTypes):
+ for line in StringIO(payload):
+ yield line
+
+
+def typed_subpart_iterator(msg, maintype='text', subtype=None):
+ """Iterate over the subparts with a given MIME type.
+
+ Use `maintype' as the main MIME type to match against; this defaults to
+ "text". Optional `subtype' is the MIME subtype to match against; if
+ omitted, only the main type is matched.
+ """
+ for subpart in msg.walk():
+ if subpart.get_main_type('text') == maintype:
+ if subtype is None or subpart.get_subtype('plain') == subtype:
+ yield subpart