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Port over enough to get some sytests running on Python 3 (#3668)

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Amber Brown 2018-08-20 23:54:49 +10:00 • committed by GitHub
parent cf6f9a8b53
commit 324525f40c
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12 changed files with 91 additions and 40 deletions
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56
synapse/http/servlet.py
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@ -29,7 +29,7 @@ def parse_integer(request, name, default=None, required=False):
Args:
request: the twisted HTTP request.
name (str): the name of the query parameter.
name (bytes/unicode): the name of the query parameter.
default (int|None): value to use if the parameter is absent, defaults
to None.
required (bool): whether to raise a 400 SynapseError if the
@ -46,6 +46,10 @@ def parse_integer(request, name, default=None, required=False):
def parse_integer_from_args(args, name, default=None, required=False):
if not isinstance(name, bytes):
name = name.encode('ascii')
if name in args:
try:
return int(args[name][0])
@ -65,7 +69,7 @@ def parse_boolean(request, name, default=None, required=False):
Args:
request: the twisted HTTP request.
name (str): the name of the query parameter.
name (bytes/unicode): the name of the query parameter.
default (bool|None): value to use if the parameter is absent, defaults
to None.
required (bool): whether to raise a 400 SynapseError if the
@ -83,11 +87,15 @@ def parse_boolean(request, name, default=None, required=False):
def parse_boolean_from_args(args, name, default=None, required=False):
if not isinstance(name, bytes):
name = name.encode('ascii')
if name in args:
try:
return {
"true": True,
"false": False,
b"true": True,
b"false": False,
}[args[name][0]]
except Exception:
message = (
@ -104,21 +112,29 @@ def parse_boolean_from_args(args, name, default=None, required=False):
def parse_string(request, name, default=None, required=False,
allowed_values=None, param_type="string"):
"""Parse a string parameter from the request query string.
allowed_values=None, param_type="string", encoding='ascii'):
"""
Parse a string parameter from the request query string.
If encoding is not None, the content of the query param will be
decoded to Unicode using the encoding, otherwise it will be encoded
Args:
request: the twisted HTTP request.
name (str): the name of the query parameter.
default (str|None): value to use if the parameter is absent, defaults
to None.
name (bytes/unicode): the name of the query parameter.
default (bytes/unicode|None): value to use if the parameter is absent,
defaults to None. Must be bytes if encoding is None.
required (bool): whether to raise a 400 SynapseError if the
parameter is absent, defaults to False.
allowed_values (list[str]): List of allowed values for the string,
or None if any value is allowed, defaults to None
allowed_values (list[bytes/unicode]): List of allowed values for the
string, or None if any value is allowed, defaults to None. Must be
the same type as name, if given.
encoding: The encoding to decode the name to, and decode the string
content with.
Returns:
str|None: A string value or the default.
bytes/unicode|None: A string value or the default. Unicode if encoding
was given, bytes otherwise.
Raises:
SynapseError if the parameter is absent and required, or if the
@ -126,14 +142,22 @@ def parse_string(request, name, default=None, required=False,
is not one of those allowed values.
"""
return parse_string_from_args(
request.args, name, default, required, allowed_values, param_type,
request.args, name, default, required, allowed_values, param_type, encoding
)
def parse_string_from_args(args, name, default=None, required=False,
allowed_values=None, param_type="string"):
allowed_values=None, param_type="string", encoding='ascii'):
if not isinstance(name, bytes):
name = name.encode('ascii')
if name in args:
value = args[name][0]
if encoding:
value = value.decode(encoding)
if allowed_values is not None and value not in allowed_values:
message = "Query parameter %r must be one of [%s]" % (
name, ", ".join(repr(v) for v in allowed_values)
@ -146,6 +170,10 @@ def parse_string_from_args(args, name, default=None, required=False,
message = "Missing %s query parameter %r" % (param_type, name)
raise SynapseError(400, message, errcode=Codes.MISSING_PARAM)
else:
if encoding and isinstance(default, bytes):
return default.decode(encoding)
return default