# Copyright (c) Microsoft Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import asyncio
import math
import os
import re
import time
import traceback
from pathlib import Path
from types import TracebackType
from typing import (
TYPE_CHECKING,
Any,
Callable,
Dict,
List,
Literal,
Optional,
Pattern,
Set,
TypedDict,
TypeVar,
Union,
cast,
)
from urllib.parse import urljoin
from playwright._impl._api_structures import NameValue
from playwright._impl._errors import (
Error,
TargetClosedError,
TimeoutError,
is_target_closed_error,
rewrite_error,
)
from playwright._impl._glob import glob_to_regex
from playwright._impl._greenlets import RouteGreenlet
from playwright._impl._str_utils import escape_regex_flags
if TYPE_CHECKING: # pragma: no cover
from playwright._impl._api_structures import HeadersArray
from playwright._impl._network import Request, Response, Route, WebSocketRoute
URLMatch = Union[str, Pattern[str], Callable[[str], bool]]
URLMatchRequest = Union[str, Pattern[str], Callable[["Request"], bool]]
URLMatchResponse = Union[str, Pattern[str], Callable[["Response"], bool]]
RouteHandlerCallback = Union[
Callable[["Route"], Any], Callable[["Route", "Request"], Any]
]
WebSocketRouteHandlerCallback = Callable[["WebSocketRoute"], Any]
ColorScheme = Literal["dark", "light", "no-preference", "null"]
ForcedColors = Literal["active", "none", "null"]
ReducedMotion = Literal["no-preference", "null", "reduce"]
DocumentLoadState = Literal["commit", "domcontentloaded", "load", "networkidle"]
KeyboardModifier = Literal["Alt", "Control", "ControlOrMeta", "Meta", "Shift"]
MouseButton = Literal["left", "middle", "right"]
ServiceWorkersPolicy = Literal["allow", "block"]
HarMode = Literal["full", "minimal"]
HarContentPolicy = Literal["attach", "embed", "omit"]
RouteFromHarNotFoundPolicy = Literal["abort", "fallback"]
class ErrorPayload(TypedDict, total=False):
message: str
name: str
stack: str
value: Optional[Any]
class HarRecordingMetadata(TypedDict, total=False):
path: str
content: Optional[HarContentPolicy]
def prepare_record_har_options(params: Dict) -> Dict[str, Any]:
out_params: Dict[str, Any] = {"path": str(params["recordHarPath"])}
if "recordHarUrlFilter" in params:
opt = params["recordHarUrlFilter"]
if isinstance(opt, str):
out_params["urlGlob"] = opt
if isinstance(opt, Pattern):
out_params["urlRegexSource"] = opt.pattern
out_params["urlRegexFlags"] = escape_regex_flags(opt)
del params["recordHarUrlFilter"]
if "recordHarMode" in params:
out_params["mode"] = params["recordHarMode"]
del params["recordHarMode"]
new_content_api = None
old_content_api = None
if "recordHarContent" in params:
new_content_api = params["recordHarContent"]
del params["recordHarContent"]
if "recordHarOmitContent" in params:
old_content_api = params["recordHarOmitContent"]
del params["recordHarOmitContent"]
content = new_content_api or ("omit" if old_content_api else None)
if content:
out_params["content"] = content
return out_params
class ParsedMessageParams(TypedDict):
type: str
guid: str
initializer: Dict
class ParsedMessagePayload(TypedDict, total=False):
id: int
guid: str
method: str
params: ParsedMessageParams
result: Any
error: ErrorPayload
class Document(TypedDict):
request: Optional[Any]
class FrameNavigatedEvent(TypedDict):
url: str
name: str
newDocument: Optional[Document]
error: Optional[str]
Env = Dict[str, Union[str, float, bool]]
def url_matches(
base_url: Optional[str], url_string: str, match: Optional[URLMatch]
) -> bool:
if not match:
return True
if isinstance(match, str) and match[0] != "*":
# Allow http(s) baseURL to match ws(s) urls.
if (
base_url
and re.match(r"^https?://", base_url)
and re.match(r"^wss?://", url_string)
):
base_url = re.sub(r"^http", "ws", base_url)
if base_url:
match = urljoin(base_url, match)
if isinstance(match, str):
match = glob_to_regex(match)
if isinstance(match, Pattern):
return bool(match.search(url_string))
return match(url_string)
class HarLookupResult(TypedDict, total=False):
action: Literal["error", "redirect", "fulfill", "noentry"]
message: Optional[str]
redirectURL: Optional[str]
status: Optional[int]
headers: Optional["HeadersArray"]
body: Optional[str]
class TimeoutSettings:
def __init__(self, parent: Optional["TimeoutSettings"]) -> None:
self._parent = parent
self._default_timeout: Optional[float] = None
self._default_navigation_timeout: Optional[float] = None
def set_default_timeout(self, timeout: Optional[float]) -> None:
self._default_timeout = timeout
def timeout(self, timeout: float = None) -> float:
if timeout is not None:
return timeout
if self._default_timeout is not None:
return self._default_timeout
if self._parent:
return self._parent.timeout()
return 30000
def set_default_navigation_timeout(
self, navigation_timeout: Optional[float]
) -> None:
self._default_navigation_timeout = navigation_timeout
def default_navigation_timeout(self) -> Optional[float]:
return self._default_navigation_timeout
def default_timeout(self) -> Optional[float]:
return self._default_timeout
def navigation_timeout(self) -> float:
if self._default_navigation_timeout is not None:
return self._default_navigation_timeout
if self._parent:
return self._parent.navigation_timeout()
return 30000
def serialize_error(ex: Exception, tb: Optional[TracebackType]) -> ErrorPayload:
return ErrorPayload(
message=str(ex), name="Error", stack="".join(traceback.format_tb(tb))
)
def parse_error(error: ErrorPayload, log: Optional[str] = None) -> Error:
base_error_class = Error
if error.get("name") == "TimeoutError":
base_error_class = TimeoutError
if error.get("name") == "TargetClosedError":
base_error_class = TargetClosedError
if not log:
log = ""
exc = base_error_class(patch_error_message(error["message"]) + log)
exc._name = error["name"]
exc._stack = error["stack"]
return exc
def patch_error_message(message: str) -> str:
match = re.match(r"(\w+)(: expected .*)", message)
if match:
message = to_snake_case(match.group(1)) + match.group(2)
message = message.replace(
"Pass { acceptDownloads: true }", "Pass 'accept_downloads=True'"
)
return message
def locals_to_params(args: Dict) -> Dict:
copy = {}
for key in args:
if key == "self":
continue
if args[key] is not None:
copy[key] = (
args[key]
if not isinstance(args[key], Dict)
else locals_to_params(args[key])
)
return copy
def monotonic_time() -> int:
return math.floor(time.monotonic() * 1000)
class RouteHandlerInvocation:
complete: "asyncio.Future"
route: "Route"
def __init__(self, complete: "asyncio.Future", route: "Route") -> None:
self.complete = complete
self.route = route
class RouteHandler:
def __init__(
self,
base_url: Optional[str],
url: URLMatch,
handler: RouteHandlerCallback,
is_sync: bool,
times: Optional[int] = None,
):
self._base_url = base_url
self.url = url
self.handler = handler
self._times = times if times else math.inf
self._handled_count = 0
self._is_sync = is_sync
self._ignore_exception = False
self._active_invocations: Set[RouteHandlerInvocation] = set()
def matches(self, request_url: str) -> bool:
return url_matches(self._base_url, request_url, self.url)
async def handle(self, route: "Route") -> bool:
handler_invocation = RouteHandlerInvocation(
asyncio.get_running_loop().create_future(), route
)
self._active_invocations.add(handler_invocation)
try:
return await self._handle_internal(route)
except Exception as e:
# If the handler was stopped (without waiting for completion), we ignore all exceptions.
if self._ignore_exception:
return False
if is_target_closed_error(e):
# We are failing in the handler because the target has closed.
# Give user a hint!
optional_async_prefix = "await " if not self._is_sync else ""
raise rewrite_error(
e,
f"\"{str(e)}\" while running route callback.\nConsider awaiting `{optional_async_prefix}page.unroute_all(behavior='ignoreErrors')`\nbefore the end of the test to ignore remaining routes in flight.",
)
raise e
finally:
handler_invocation.complete.set_result(None)
self._active_invocations.remove(handler_invocation)
async def _handle_internal(self, route: "Route") -> bool:
handled_future = route._start_handling()
self._handled_count += 1
if self._is_sync:
handler_finished_future = route._loop.create_future()
def _handler() -> None:
try:
self.handler(route, route.request) # type: ignore
handler_finished_future.set_result(None)
except Exception as e:
handler_finished_future.set_exception(e)
# As with event handlers, each route handler is a potentially blocking context
# so it needs a fiber.
g = RouteGreenlet(_handler)
g.switch()
await handler_finished_future
else:
coro_or_future = self.handler(route, route.request) # type: ignore
if coro_or_future:
# separate task so that we get a proper stack trace for exceptions / tracing api_name extraction
await asyncio.ensure_future(coro_or_future)
return await handled_future
async def stop(self, behavior: Literal["ignoreErrors", "wait"]) -> None:
# When a handler is manually unrouted or its page/context is closed we either
# - wait for the current handler invocations to finish
# - or do not wait, if the user opted out of it, but swallow all exceptions
# that happen after the unroute/close.
if behavior == "ignoreErrors":
self._ignore_exception = True
else:
tasks = []
for activation in self._active_invocations:
if not activation.route._did_throw:
tasks.append(activation.complete)
await asyncio.gather(*tasks)
@property
def will_expire(self) -> bool:
return self._handled_count + 1 >= self._times
@staticmethod
def prepare_interception_patterns(
handlers: List["RouteHandler"],
) -> List[Dict[str, str]]:
patterns = []
all = False
for handler in handlers:
if isinstance(handler.url, str):
patterns.append({"glob": handler.url})
elif isinstance(handler.url, re.Pattern):
patterns.append(
{
"regexSource": handler.url.pattern,
"regexFlags": escape_regex_flags(handler.url),
}
)
else:
all = True
if all:
return [{"glob": "**/*"}]
return patterns
to_snake_case_regex = re.compile("((?<=[a-z0-9])[A-Z]|(?!^)[A-Z](?=[a-z]))")
def to_snake_case(name: str) -> str:
return to_snake_case_regex.sub(r"_\1", name).lower()
def make_dirs_for_file(path: Union[Path, str]) -> None:
if not os.path.isabs(path):
path = Path.cwd() / path
os.makedirs(os.path.dirname(path), exist_ok=True)
async def async_writefile(file: Union[str, Path], data: Union[str, bytes]) -> None:
def inner() -> None:
with open(file, "w" if isinstance(data, str) else "wb") as fh:
fh.write(data)
loop = asyncio.get_running_loop()
await loop.run_in_executor(None, inner)
async def async_readfile(file: Union[str, Path]) -> bytes:
def inner() -> bytes:
with open(file, "rb") as fh:
return fh.read()
loop = asyncio.get_running_loop()
return await loop.run_in_executor(None, inner)
T = TypeVar("T")
def to_impl(obj: T) -> T:
if hasattr(obj, "_impl_obj"):
return cast(Any, obj)._impl_obj
return obj
def object_to_array(obj: Optional[Dict]) -> Optional[List[NameValue]]:
if not obj:
return None
result = []
for key, value in obj.items():
result.append(NameValue(name=key, value=str(value)))
return result
def is_file_payload(value: Optional[Any]) -> bool:
return (
isinstance(value, dict)
and "name" in value
and "mimeType" in value
and "buffer" in value
)
TEXTUAL_MIME_TYPE = re.compile(
r"^(text\/.*?|application\/(json|(x-)?javascript|xml.*?|ecmascript|graphql|x-www-form-urlencoded)|image\/svg(\+xml)?|application\/.*?(\+json|\+xml))(;\s*charset=.*)?$"
)
def is_textual_mime_type(mime_type: str) -> bool:
return bool(TEXTUAL_MIME_TYPE.match(mime_type))