Consistently use '= ...' for optional parameters.

stdlib/3/email/_header_value_parser.pyi

@@ -30,7 +30,7 @@ class _Folded:
     def newline(self): ...
     def finalize(self): ...
     def append(self, stoken): ...
-    def append_if_fits(self, token, stoken=None): ...
+    def append_if_fits(self, token, stoken=...): ...
 
 class TokenList(list):
     token_type = ...  # type: Any
@@ -53,8 +53,8 @@ class TokenList(list):
     def fold(self, policy): ...
     def as_encoded_word(self, charset): ...
     def cte_encode(self, charset, policy): ...
-    def pprint(self, indent=''): ...
-    def ppstr(self, indent=''): ...
+    def pprint(self, indent=...): ...
+    def ppstr(self, indent=...): ...
 
 class WhiteSpaceTokenList(TokenList):
     @property

stdlib/3/email/_parseaddr.pyi

@@ -26,11 +26,11 @@ class AddrlistClass:
     def getrouteaddr(self): ...
     def getaddrspec(self): ...
     def getdomain(self): ...
-    def getdelimited(self, beginchar, endchars, allowcomments=True): ...
+    def getdelimited(self, beginchar, endchars, allowcomments=...): ...
     def getquote(self): ...
     def getcomment(self): ...
     def getdomainliteral(self): ...
-    def getatom(self, atomends=None): ...
+    def getatom(self, atomends=...): ...
     def getphraselist(self): ...
 
 class AddressList(AddrlistClass):

stdlib/3/email/base64mime.pyi

@@ -5,8 +5,8 @@
 from typing import Any
 
 def header_length(bytearray): ...
-def header_encode(header_bytes, charset=''): ...
-def body_encode(s, maxlinelen=76, eol=...): ...
+def header_encode(header_bytes, charset=...): ...
+def body_encode(s, maxlinelen=..., eol=...): ...
 def decode(string): ...
 
 body_decode = ...  # type: Any

stdlib/3/email/charset.pyi

@@ -4,7 +4,7 @@
 
 from typing import Any
 
-def add_charset(charset, header_enc=None, body_enc=None, output_charset=None): ...
+def add_charset(charset, header_enc=..., body_enc=..., output_charset=...): ...
 def add_alias(alias, canonical): ...
 def add_codec(charset, codecname): ...
 

stdlib/3/email/contentmanager.pyi

@@ -15,13 +15,13 @@ class ContentManager:
 
 raw_data_manager = ...  # type: Any
 
-def get_text_content(msg, errors=''): ...
+def get_text_content(msg, errors=...): ...
 def get_non_text_content(msg): ...
 def get_message_content(msg): ...
 def get_and_fixup_unknown_message_content(msg): ...
-def set_text_content(msg, string, subtype='', charset='', cte=None, disposition=None,
-                     filename=None, cid=None, params=None, headers=None): ...
-def set_message_content(msg, message, subtype='', cte=None, disposition=None, filename=None,
-                        cid=None, params=None, headers=None): ...
-def set_bytes_content(msg, data, maintype, subtype, cte='', disposition=None, filename=None,
-                      cid=None, params=None, headers=None): ...
+def set_text_content(msg, string, subtype=..., charset=..., cte=..., disposition=...,
+                     filename=..., cid=..., params=..., headers=...): ...
+def set_message_content(msg, message, subtype=..., cte=..., disposition=..., filename=...,
+                        cid=..., params=..., headers=...): ...
+def set_bytes_content(msg, data, maintype, subtype, cte=..., disposition=..., filename=...,
+                      cid=..., params=..., headers=...): ...

stdlib/3/email/errors.pyi

@@ -13,7 +13,7 @@ class CharsetError(MessageError): ...
 
 class MessageDefect(ValueError):
     line = ...  # type: Any
-    def __init__(self, line=None) -> None: ...
+    def __init__(self, line=...) -> None: ...
 
 class NoBoundaryInMultipartDefect(MessageDefect): ...
 class StartBoundaryNotFoundDefect(MessageDefect): ...

stdlib/3/email/feedparser.pyi

@@ -18,7 +18,7 @@ class BufferedSubFile:
 
 class FeedParser:
     policy = ...  # type: Any
-    def __init__(self, _factory=None, *, policy=...) -> None: ...
+    def __init__(self, _factory=..., *, policy=...) -> None: ...
     def feed(self, data): ...
     def close(self): ...
 

stdlib/3/email/generator.pyi

@@ -7,13 +7,13 @@ from typing import Any
 class Generator:
     maxheaderlen = ...  # type: Any
     policy = ...  # type: Any
-    def __init__(self, outfp, mangle_from_=True, maxheaderlen=None, *, policy=None) -> None: ...
+    def __init__(self, outfp, mangle_from_=..., maxheaderlen=..., *, policy=...) -> None: ...
     def write(self, s): ...
-    def flatten(self, msg, unixfrom=False, linesep=None): ...
+    def flatten(self, msg, unixfrom=..., linesep=...): ...
     def clone(self, fp): ...
 
 class BytesGenerator(Generator):
     def write(self, s): ...
 
 class DecodedGenerator(Generator):
-    def __init__(self, outfp, mangle_from_=True, maxheaderlen=78, fmt=None) -> None: ...
+    def __init__(self, outfp, mangle_from_=..., maxheaderlen=..., fmt=...) -> None: ...

stdlib/3/email/header.pyi

@@ -3,15 +3,15 @@
 # NOTE: This dynamically typed stub was automatically generated by stubgen.
 
 def decode_header(header): ...
-def make_header(decoded_seq, maxlinelen=None, header_name=None, continuation_ws=''): ...
+def make_header(decoded_seq, maxlinelen=..., header_name=..., continuation_ws=...): ...
 
 class Header:
-    def __init__(self, s=None, charset=None, maxlinelen=None, header_name=None,
-                 continuation_ws='', errors=''): ...
+    def __init__(self, s=..., charset=..., maxlinelen=..., header_name=...,
+                 continuation_ws=..., errors=...): ...
     def __eq__(self, other): ...
     def __ne__(self, other): ...
-    def append(self, s, charset=None, errors=''): ...
-    def encode(self, splitchars='', maxlinelen=None, linesep=''): ...
+    def append(self, s, charset=..., errors=...): ...
+    def encode(self, splitchars=..., maxlinelen=..., linesep=...): ...
 
 class _ValueFormatter:
     def __init__(self, headerlen, maxlen, continuation_ws, splitchars) -> None: ...
@@ -20,10 +20,10 @@ class _ValueFormatter:
     def feed(self, fws, string, charset): ...
 
 class _Accumulator(list):
-    def __init__(self, initial_size=0) -> None: ...
+    def __init__(self, initial_size=...) -> None: ...
     def push(self, fws, string): ...
-    def pop_from(self, i=0): ...
+    def pop_from(self, i=...): ...
     def __len__(self): ...
-    def reset(self, startval=None): ...
+    def reset(self, startval=...): ...
     def is_onlyws(self): ...
     def part_count(self): ...

stdlib/3/email/headerregistry.pyi

@@ -5,7 +5,7 @@
 from typing import Any
 
 class Address:
-    def __init__(self, display_name='', username='', domain='', addr_spec=None) -> None: ...
+    def __init__(self, display_name=..., username=..., domain=..., addr_spec=...) -> None: ...
     @property
     def display_name(self): ...
     @property
@@ -17,7 +17,7 @@ class Address:
     def __eq__(self, other): ...
 
 class Group:
-    def __init__(self, display_name=None, addresses=None) -> None: ...
+    def __init__(self, display_name=..., addresses=...) -> None: ...
     @property
     def display_name(self): ...
     @property
@@ -127,7 +127,7 @@ class HeaderRegistry:
     registry = ...  # type: Any
     base_class = ...  # type: Any
     default_class = ...  # type: Any
-    def __init__(self, base_class=..., default_class=..., use_default_map=True) -> None: ...
+    def __init__(self, base_class=..., default_class=..., use_default_map=...) -> None: ...
     def map_to_type(self, name, cls): ...
     def __getitem__(self, name): ...
     def __call__(self, name, value): ...

stdlib/3/email/iterators.pyi

@@ -3,5 +3,5 @@
 # NOTE: This dynamically typed stub was automatically generated by stubgen.
 
 def walk(self): ...
-def body_line_iterator(msg, decode=False): ...
-def typed_subpart_iterator(msg, maintype='', subtype=None): ...
+def body_line_iterator(msg, decode=...): ...
+def typed_subpart_iterator(msg, maintype=..., subtype=...): ...

stdlib/3/email/message.pyi

@@ -9,15 +9,15 @@ class Message:
     preamble = ...  # type: Any
     defects = ...  # type: Any
     def __init__(self, policy=...) -> None: ...
-    def as_string(self, unixfrom=False, maxheaderlen=0, policy=None): ...
+    def as_string(self, unixfrom=..., maxheaderlen=..., policy=...): ...
     def __bytes__(self): ...
-    def as_bytes(self, unixfrom=False, policy=None): ...
+    def as_bytes(self, unixfrom=..., policy=...): ...
     def is_multipart(self): ...
     def set_unixfrom(self, unixfrom): ...
     def get_unixfrom(self): ...
     def attach(self, payload): ...
-    def get_payload(self, i=None, decode=False): ...
-    def set_payload(self, payload, charset=None): ...
+    def get_payload(self, i=..., decode=...): ...
+    def set_payload(self, payload, charset=...): ...
     def set_charset(self, charset): ...
     def get_charset(self): ...
     def __len__(self): ...
@@ -29,10 +29,10 @@ class Message:
     def keys(self): ...
     def values(self): ...
     def items(self): ...
-    def get(self, name, failobj=None): ...
+    def get(self, name, failobj=...): ...
     def set_raw(self, name, value): ...
     def raw_items(self): ...
-    def get_all(self, name, failobj=None): ...
+    def get_all(self, name, failobj=...): ...
     def add_header(self, _name, _value, **_params): ...
     def replace_header(self, _name, _value): ...
     def get_content_type(self): ...
@@ -40,30 +40,30 @@ class Message:
     def get_content_subtype(self): ...
     def get_default_type(self): ...
     def set_default_type(self, ctype): ...
-    def get_params(self, failobj=None, header='', unquote=True): ...
-    def get_param(self, param, failobj=None, header='', unquote=True): ...
-    def set_param(self, param, value, header='', requote=True, charset=None, language='',
-                  replace=False): ...
-    def del_param(self, param, header='', requote=True): ...
-    def set_type(self, type, header='', requote=True): ...
-    def get_filename(self, failobj=None): ...
-    def get_boundary(self, failobj=None): ...
+    def get_params(self, failobj=..., header=..., unquote=...): ...
+    def get_param(self, param, failobj=..., header=..., unquote=...): ...
+    def set_param(self, param, value, header=..., requote=..., charset=..., language=...,
+                  replace=...): ...
+    def del_param(self, param, header=..., requote=...): ...
+    def set_type(self, type, header=..., requote=...): ...
+    def get_filename(self, failobj=...): ...
+    def get_boundary(self, failobj=...): ...
     def set_boundary(self, boundary): ...
-    def get_content_charset(self, failobj=None): ...
-    def get_charsets(self, failobj=None): ...
+    def get_content_charset(self, failobj=...): ...
+    def get_charsets(self, failobj=...): ...
 
 class MIMEPart(Message):
-    def __init__(self, policy=None) -> None: ...
+    def __init__(self, policy=...) -> None: ...
     @property
     def is_attachment(self): ...
     def get_body(self, preferencelist=...): ...
     def iter_attachments(self): ...
     def iter_parts(self): ...
-    def get_content(self, *args, content_manager=None, **kw): ...
-    def set_content(self, *args, content_manager=None, **kw): ...
-    def make_related(self, boundary=None): ...
-    def make_alternative(self, boundary=None): ...
-    def make_mixed(self, boundary=None): ...
+    def get_content(self, *args, content_manager=..., **kw): ...
+    def set_content(self, *args, content_manager=..., **kw): ...
+    def make_related(self, boundary=...): ...
+    def make_alternative(self, boundary=...): ...
+    def make_mixed(self, boundary=...): ...
     def add_related(self, *args, **kw): ...
     def add_alternative(self, *args, **kw): ...
     def add_attachment(self, *args, **kw): ...

stdlib/3/email/mime/application.pyi

@@ -5,4 +5,4 @@
 from email.mime.nonmultipart import MIMENonMultipart
 
 class MIMEApplication(MIMENonMultipart):
-    def __init__(self, _data, _subtype='', _encoder=..., **_params) -> None: ...
+    def __init__(self, _data, _subtype=..., _encoder=..., **_params) -> None: ...

stdlib/3/email/mime/audio.pyi

@@ -5,4 +5,4 @@
 from email.mime.nonmultipart import MIMENonMultipart
 
 class MIMEAudio(MIMENonMultipart):
-    def __init__(self, _audiodata, _subtype=None, _encoder=..., **_params) -> None: ...
+    def __init__(self, _audiodata, _subtype=..., _encoder=..., **_params) -> None: ...

stdlib/3/email/mime/image.pyi

@@ -5,4 +5,4 @@
 from email.mime.nonmultipart import MIMENonMultipart
 
 class MIMEImage(MIMENonMultipart):
-    def __init__(self, _imagedata, _subtype=None, _encoder=..., **_params) -> None: ...
+    def __init__(self, _imagedata, _subtype=..., _encoder=..., **_params) -> None: ...

stdlib/3/email/mime/message.pyi

@@ -5,4 +5,4 @@
 from email.mime.nonmultipart import MIMENonMultipart
 
 class MIMEMessage(MIMENonMultipart):
-    def __init__(self, _msg, _subtype='') -> None: ...
+    def __init__(self, _msg, _subtype=...) -> None: ...

stdlib/3/email/mime/multipart.pyi

@@ -5,4 +5,4 @@
 from email.mime.base import MIMEBase
 
 class MIMEMultipart(MIMEBase):
-    def __init__(self, _subtype='', boundary=None, _subparts=None, **_params) -> None: ...
+    def __init__(self, _subtype=..., boundary=..., _subparts=..., **_params) -> None: ...

stdlib/3/email/mime/text.pyi

@@ -5,4 +5,4 @@
 from email.mime.nonmultipart import MIMENonMultipart
 
 class MIMEText(MIMENonMultipart):
-    def __init__(self, _text, _subtype='', _charset=None) -> None: ...
+    def __init__(self, _text, _subtype=..., _charset=...) -> None: ...

stdlib/3/email/parser.pyi

@@ -10,20 +10,20 @@ BytesFeedParser = email.feedparser.BytesFeedParser
 
 class Parser:
     policy = ...  # type: Any
-    def __init__(self, _class=None, *, policy=...) -> None: ...
-    def parse(self, fp, headersonly=False): ...
-    def parsestr(self, text, headersonly=False): ...
+    def __init__(self, _class=..., *, policy=...) -> None: ...
+    def parse(self, fp, headersonly=...): ...
+    def parsestr(self, text, headersonly=...): ...
 
 class HeaderParser(Parser):
-    def parse(self, fp, headersonly=True): ...
-    def parsestr(self, text, headersonly=True): ...
+    def parse(self, fp, headersonly=...): ...
+    def parsestr(self, text, headersonly=...): ...
 
 class BytesParser:
     parser = ...  # type: Any
     def __init__(self, *args, **kw) -> None: ...
-    def parse(self, fp, headersonly=False): ...
-    def parsebytes(self, text, headersonly=False): ...
+    def parse(self, fp, headersonly=...): ...
+    def parsebytes(self, text, headersonly=...): ...
 
 class BytesHeaderParser(BytesParser):
-    def parse(self, fp, headersonly=True): ...
-    def parsebytes(self, text, headersonly=True): ...
+    def parse(self, fp, headersonly=...): ...
+    def parsebytes(self, text, headersonly=...): ...

stdlib/3/email/quoprimime.pyi

@@ -8,8 +8,8 @@ def header_length(bytearray): ...
 def body_length(bytearray): ...
 def unquote(s): ...
 def quote(c): ...
-def header_encode(header_bytes, charset=''): ...
-def body_encode(body, maxlinelen=76, eol=...): ...
+def header_encode(header_bytes, charset=...): ...
+def body_encode(body, maxlinelen=..., eol=...): ...
 def decode(encoded, eol=...): ...
 
 body_decode = ...  # type: Any

stdlib/3/email/utils.pyi

@@ -8,15 +8,15 @@ mktime_tz = email._parseaddr.mktime_tz
 parsedate = email._parseaddr.parsedate
 parsedate_tz = email._parseaddr.parsedate_tz
 
-def formataddr(pair, charset=''): ...
+def formataddr(pair, charset=...): ...
 def getaddresses(fieldvalues): ...
-def formatdate(timeval=None, localtime=False, usegmt=False): ...
-def format_datetime(dt, usegmt=False): ...
-def make_msgid(idstring=None, domain=None): ...
+def formatdate(timeval=..., localtime=..., usegmt=...): ...
+def format_datetime(dt, usegmt=...): ...
+def make_msgid(idstring=..., domain=...): ...
 def parsedate_to_datetime(data): ...
 def parseaddr(addr): ...
 def unquote(str): ...
 def decode_rfc2231(s): ...
-def encode_rfc2231(s, charset=None, language=None): ...
+def encode_rfc2231(s, charset=..., language=...): ...
 def decode_params(params): ...
-def collapse_rfc2231_value(value, errors='', fallback_charset=''): ...
+def collapse_rfc2231_value(value, errors=..., fallback_charset=...): ...