Initial redo of exceptions

This commit is contained in:
Mads Marquart
2020-01-15 10:49:16 +01:00
parent 656281eacb
commit 3445eccc32
8 changed files with 101 additions and 114 deletions

View File

@@ -12,7 +12,15 @@ _logging.getLogger(__name__).addHandler(_logging.NullHandler())
# The order of these is somewhat significant, e.g. User has to be imported after Thread!
from . import _core, _util
from ._core import Image
from ._exception import FBchatException, FBchatFacebookError
from ._exception import (
FacebookError,
HTTPError,
ParseError,
ExternalError,
InvalidParameters,
NotLoggedIn,
PleaseRefresh,
)
from ._session import Session
from ._thread import ThreadLocation, ThreadABC, Thread
from ._user import User, UserData, ActiveStatus

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@@ -3,9 +3,19 @@ import time
import requests
from ._core import log
from . import _util, _graphql, _session, _poll, _user, _page, _group, _thread, _message
from . import (
_exception,
_util,
_graphql,
_session,
_poll,
_user,
_page,
_group,
_thread,
_message,
)
from ._exception import FBchatException, FBchatFacebookError
from ._thread import ThreadLocation
from ._user import User, UserData, ActiveStatus
from ._group import Group, GroupData
@@ -228,7 +238,7 @@ class Client:
j = self.session._payload_post("/chat/user_info/", data)
if j.get("profiles") is None:
raise FBchatException("No users/pages returned: {}".format(j))
raise _exception.ParseError("No users/pages returned", data=j)
entries = {}
for _id in j["profiles"]:
@@ -251,9 +261,7 @@ class Client:
"name": k.get("name"),
}
else:
raise FBchatException(
"{} had an unknown thread type: {}".format(_id, k)
)
raise _exception.ParseError("Unknown thread type", data=k)
log.debug(entries)
return entries
@@ -269,9 +277,6 @@ class Client:
Returns:
dict: `Thread` objects, labeled by their ID
Raises:
FBchatException: If request failed
"""
queries = []
for thread_id in thread_ids:
@@ -312,16 +317,16 @@ class Client:
elif entry.get("thread_type") == "ONE_TO_ONE":
_id = entry["thread_key"]["other_user_id"]
if pages_and_users.get(_id) is None:
raise FBchatException("Could not fetch thread {}".format(_id))
raise _exception.ParseError(
"Could not fetch thread {}".format(_id), data=pages_and_users
)
entry.update(pages_and_users[_id])
if "first_name" in entry:
rtn[_id] = UserData._from_graphql(self.session, entry)
else:
rtn[_id] = PageData._from_graphql(self.session, entry)
else:
raise FBchatException(
"{} had an unknown thread type: {}".format(thread_ids[i], entry)
)
raise _exception.ParseError("Unknown thread type", data=entry)
return rtn
@@ -389,9 +394,6 @@ class Client:
Returns:
list: List of unread thread ids
Raises:
FBchatException: If request failed
"""
form = {
"folders[0]": "inbox",
@@ -409,9 +411,6 @@ class Client:
Returns:
list: List of unseen thread ids
Raises:
FBchatException: If request failed
"""
j = self.session._payload_post("/mercury/unseen_thread_ids/", {})
@@ -426,9 +425,6 @@ class Client:
Returns:
str: An URL where you can download the original image
Raises:
FBchatException: If request failed
"""
image_id = str(image_id)
data = {"photo_id": str(image_id)}
@@ -437,7 +433,7 @@ class Client:
url = _util.get_jsmods_require(j, 3)
if url is None:
raise FBchatException("Could not fetch image URL from: {}".format(j))
raise _exception.ParseError("Could not fetch image URL", data=j)
return url
def _get_private_data(self):
@@ -488,12 +484,6 @@ class Client:
Args:
thread_id: User/Group ID to which the message belongs. See :ref:`intro_threads`
message_id: Message ID to set as delivered. See :ref:`intro_threads`
Returns:
True
Raises:
FBchatException: If request failed
"""
data = {
"message_ids[0]": message_id,
@@ -526,9 +516,6 @@ class Client:
Args:
thread_ids: User/Group IDs to set as read. See :ref:`intro_threads`
timestamp: Timestamp (as a Datetime) to signal the read cursor at, default is the current time
Raises:
FBchatException: If request failed
"""
self._read_status(True, thread_ids, timestamp)
@@ -540,9 +527,6 @@ class Client:
Args:
thread_ids: User/Group IDs to set as unread. See :ref:`intro_threads`
timestamp: Timestamp (as a Datetime) to signal the read cursor at, default is the current time
Raises:
FBchatException: If request failed
"""
self._read_status(False, thread_ids, timestamp)
@@ -561,12 +545,6 @@ class Client:
Args:
location (ThreadLocation): INBOX, PENDING, ARCHIVED or OTHER
thread_ids: Thread IDs to move. See :ref:`intro_threads`
Returns:
True
Raises:
FBchatException: If request failed
"""
thread_ids = _util.require_list(thread_ids)
@@ -597,12 +575,6 @@ class Client:
Args:
thread_ids: Thread IDs to delete. See :ref:`intro_threads`
Returns:
True
Raises:
FBchatException: If request failed
"""
thread_ids = _util.require_list(thread_ids)
@@ -624,12 +596,6 @@ class Client:
Args:
message_ids: Message IDs to delete
Returns:
True
Raises:
FBchatException: If request failed
"""
message_ids = _util.require_list(message_ids)
data = dict()
@@ -1242,9 +1208,9 @@ class Client:
except requests.ConnectionError:
# If the client has lost their internet connection, keep trying every 30 seconds
time.sleep(30)
except FBchatFacebookError as e:
except _exception.HTTPError as e:
# Fix 502 and 503 pull errors
if e.request_status_code in [502, 503]:
if e.status_code in [502, 503]:
# Bump pull channel, while contraining withing 0-4
self._pull_channel = (self._pull_channel + 1) % 5
else:

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@@ -5,29 +5,57 @@ attrs_exception = attr.s(slots=True, auto_exc=True)
@attrs_exception
class FBchatException(Exception):
"""Custom exception thrown by ``fbchat``.
class FacebookError(Exception):
"""Base class for all custom exceptions raised by ``fbchat``.
All exceptions in the module inherits this.
All exceptions in the module inherit this.
"""
message = attr.ib()
message = attr.ib(type=str)
@attrs_exception
class FBchatFacebookError(FBchatException):
"""Raised when Facebook returns an error."""
class HTTPError(FacebookError):
"""Base class for errors with the HTTP(s) connection to Facebook."""
status_code = attr.ib(None, type=int)
@attrs_exception
class ParseError(FacebookError):
"""Raised when we fail parsing a response from Facebook.
This may contain sensitive data, so should not be logged to file.
"""
data = attr.ib()
"""The data that triggered the error.
The format of this cannot be relied on, it's only for debugging purposes.
"""
def __str__(self):
msg = "{}. Please report this, and the associated data: {}"
return msg.format(self.message, self.data)
@attrs_exception
class ExternalError(FacebookError):
"""Base class for errors that Facebook return."""
#: The error code that Facebook returned
fb_error_code = attr.ib(None)
#: The error message that Facebook returned (In the user's own language)
fb_error_message = attr.ib(None)
#: The status code that was sent in the HTTP response (e.g. 404) (Usually only set if not successful, aka. not 200)
request_status_code = attr.ib(None)
message = attr.ib(type=str)
#: The error code that Facebook returned
code = attr.ib(None, type=int)
def __str__(self):
if self.code:
return "#{}: {}".format(self.code, self.message)
return self.message
@attrs_exception
class FBchatInvalidParameters(FBchatFacebookError):
class InvalidParameters(ExternalError):
"""Raised by Facebook if:
- Some function supplied invalid parameters.
@@ -37,18 +65,18 @@ class FBchatInvalidParameters(FBchatFacebookError):
@attrs_exception
class FBchatNotLoggedIn(FBchatFacebookError):
class NotLoggedIn(ExternalError):
"""Raised by Facebook if the client has been logged out."""
fb_error_code = attr.ib("1357001")
code = attr.ib(1357001)
@attrs_exception
class FBchatPleaseRefresh(FBchatFacebookError):
class PleaseRefresh(ExternalError):
"""Raised by Facebook if the client has been inactive for too long.
This error usually happens after 1-2 days of inactivity.
"""
fb_error_code = attr.ib("1357004")
fb_error_message = attr.ib("Please try closing and re-opening your browser window.")
code = attr.ib(1357004)
message = attr.ib("Please try closing and re-opening your browser window.")

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@@ -38,10 +38,8 @@ def response_to_json(content):
content = _util.strip_json_cruft(content) # Usually only needed in some error cases
try:
j = json.loads(content, cls=ConcatJSONDecoder)
except Exception:
raise _exception.FBchatException(
"Error while parsing JSON: {!r}".format(content)
)
except Exception as e:
raise _exception.ParseError("Error while parsing JSON", data=content) from e
rtn = [None] * (len(j))
for x in j:

View File

@@ -53,9 +53,8 @@ class Plan:
}
j = thread.session._payload_post("/ajax/eventreminder/create", data)
if "error" in j:
raise _exception.FBchatFacebookError(
"Failed creating plan: {}".format(j["error"]),
fb_error_message=j["error"],
raise _exception.ExternalError(
"Failed creating plan: {}".format(j["error"])
)
def edit(

View File

@@ -101,7 +101,8 @@ class Poll:
"/messaging/group_polling/update_vote/?dpr=1", data
)
if j.get("status") != "success":
raise _exception.FBchatFacebookError(
"Failed updating poll vote: {}".format(j.get("errorTitle")),
fb_error_message=j.get("errorMessage"),
raise _exception.ExternalError(
"Failed updating poll vote: {}: {}".format(
j.get("errorTitle"), j.get("errorMessage")
)
)

View File

@@ -13,9 +13,10 @@ FB_DTSG_REGEX = re.compile(r'name="fb_dtsg" value="(.*?)"')
def get_user_id(session):
# TODO: Optimize this `.get_dict()` call!
rtn = session.cookies.get_dict().get("c_user")
cookies = session.cookies.get_dict()
rtn = cookies.get("c_user")
if rtn is None:
raise _exception.FBchatException("Could not find user id")
raise _exception.ParseError("Could not find user id", data=cookies)
return str(rtn)
@@ -153,9 +154,6 @@ class Session:
password: Facebook account password
on_2fa_callback: Function that will be called, in case a 2FA code is needed.
This should return the requested 2FA code.
Raises:
FBchatException: On failed login
"""
session = session_factory()
@@ -174,7 +172,7 @@ class Session:
# Usually, 'Checkpoint' will refer to 2FA
if "checkpoint" in r.url and ('id="approvals_code"' in r.text.lower()):
if not on_2fa_callback:
raise _exception.FBchatException(
raise ValueError(
"2FA code required, please add `on_2fa_callback` to .login"
)
code = on_2fa_callback()
@@ -188,10 +186,8 @@ class Session:
return cls._from_session(session=session)
else:
code, msg = get_error_data(r.text, r.url)
raise _exception.FBchatFacebookError(
"Login failed (Failed on url: {})".format(r.url),
fb_error_code=code,
fb_error_message=msg,
raise _exception.ExternalError(
"Login failed. {}, url: {}".format(msg, r.url), code=code
)
def is_logged_in(self):
@@ -242,9 +238,7 @@ class Session:
# Fall back to searching with a regex
res = FB_DTSG_REGEX.search(r.text)
if not res:
raise _exception.FBchatException(
"Failed loading session: Could not find fb_dtsg"
)
raise ValueError("Failed loading session, could not find fb_dtsg")
fb_dtsg = res.group(1)
revision = int(r.text.split('"client_revision":', 1)[1].split(",", 1)[0])
@@ -302,8 +296,8 @@ class Session:
_util.handle_payload_error(j)
try:
return j["payload"]
except (KeyError, TypeError):
raise _exception.FBchatException("Missing payload: {}".format(j))
except (KeyError, TypeError) as e:
raise _exception.ParseError("Missing payload", data=j) from e
def _graphql_requests(self, *queries):
data = {
@@ -330,9 +324,7 @@ class Session:
)
if len(j["metadata"]) != len(files):
raise _exception.FBchatException(
"Some files could not be uploaded: {}, {}".format(j, files)
)
raise _exception.ParseError("Some files could not be uploaded", data=j)
return [
(data[_util.mimetype_to_key(data["filetype"])], data["filetype"])
@@ -366,7 +358,4 @@ class Session:
log.warning("Got multiple message ids' back: {}".format(message_ids))
return message_ids[0]
except (KeyError, IndexError, TypeError) as e:
raise _exception.FBchatException(
"Error when sending message: "
"No message IDs could be found: {}".format(j)
)
raise _exception.ParseError("No message IDs could be found", data=j) from e

View File

@@ -313,9 +313,7 @@ class ThreadABC(metaclass=abc.ABCMeta):
)
if j.get("message_thread") is None:
raise _exception.FBchatException(
"Could not fetch thread {}: {}".format(self.id, j)
)
raise _exception.ParseError("Could not fetch messages", data=j)
# TODO: Should we parse the returned thread data, too?
@@ -481,9 +479,8 @@ class ThreadABC(metaclass=abc.ABCMeta):
}
j = self.session._payload_post("/mercury/attachments/forward/", data)
if not j.get("success"):
raise _exception.FBchatFacebookError(
"Failed forwarding attachment: {}".format(j["error"]),
fb_error_message=j["error"],
raise _exception.ExternalError(
"Failed forwarding attachment: {}".format(j["error"])
)
def _set_typing(self, typing):
@@ -547,9 +544,10 @@ class ThreadABC(metaclass=abc.ABCMeta):
"/messaging/group_polling/create_poll/?dpr=1", data
)
if j.get("status") != "success":
raise _exception.FBchatFacebookError(
"Failed creating poll: {}".format(j.get("errorTitle")),
fb_error_message=j.get("errorMessage"),
raise _exception.ExternalError(
"Failed creating poll: {}, {}".format(
j.get("errorTitle"), j.get("errorMessage")
)
)
def mute(self, duration: datetime.timedelta = None):