diff options
-rw-r--r-- | cloudinit/user_data.py | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/cloudinit/user_data.py b/cloudinit/user_data.py index 4babb8e5..91841bb8 100644 --- a/cloudinit/user_data.py +++ b/cloudinit/user_data.py @@ -39,6 +39,9 @@ NOT_MULTIPART_TYPE = handlers.NOT_MULTIPART_TYPE PART_FN_TPL = handlers.PART_FN_TPL OCTET_TYPE = handlers.OCTET_TYPE +# Saves typing errors +CONTENT_TYPE = 'Content-Type' + # Various special content types that cause special actions TYPE_NEEDED = ["text/plain", "text/x-not-multipart"] INCLUDE_TYPES = ['text/x-include-url', 'text/x-include-once-url'] @@ -87,10 +90,10 @@ class UserDataProcessor(object): self._explode_archive(payload, append_msg) continue - if 'Content-Type' in base_msg: - base_msg.replace_header('Content-Type', ctype) + if CONTENT_TYPE in base_msg: + base_msg.replace_header(CONTENT_TYPE, ctype) else: - base_msg['Content-Type'] = ctype + base_msg[CONTENT_TYPE] = ctype self._attach_part(append_msg, part) @@ -173,8 +176,8 @@ class UserDataProcessor(object): msg.set_payload(content) if 'filename' in ent: - msg.add_header('Content-Disposition', 'attachment', - filename=ent['filename']) + msg.add_header('Content-Disposition', + 'attachment', filename=ent['filename']) for header in list(ent.keys()): if header in ('content', 'filename', 'type'): @@ -201,17 +204,21 @@ class UserDataProcessor(object): outer_msg.replace_header(ATTACHMENT_FIELD, str(fetched_count)) return fetched_count + def _part_filename(self, unnamed_part, count): + return PART_FN_TPL % (count + 1) + def _attach_part(self, outer_msg, part): """ Attach an part to an outer message. outermsg must be a MIMEMultipart. Modifies a header in the message to keep track of number of attachments. """ - cur = self._multi_part_count(outer_msg) + cur_c = self._multi_part_count(outer_msg) if not part.get_filename(): - fn = PART_FN_TPL % (cur + 1) - part.add_header('Content-Disposition', 'attachment', filename=fn) + fn = self._part_filename(part, cur_c) + part.add_header('Content-Disposition', + 'attachment', filename=fn) outer_msg.attach(part) - self._multi_part_count(outer_msg, cur + 1) + self._multi_part_count(outer_msg, cur_c + 1) # Coverts a raw string into a mime message @@ -229,7 +236,7 @@ def convert_string(raw_data, headers=None): else: msg[key] = val else: - mtype = headers.get("Content-Type", NOT_MULTIPART_TYPE) + mtype = headers.get(CONTENT_TYPE, NOT_MULTIPART_TYPE) maintype, subtype = mtype.split("/", 1) msg = MIMEBase(maintype, subtype, *headers) msg.set_payload(data) |