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making pylint happy the hard way
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‎adafruit_espatcontrol/adafruit_espatcontrol.py‎

Lines changed: 17 additions & 70 deletions
Original file line numberDiff line numberDiff line change
@@ -67,13 +67,10 @@ class ESP_ATcontrol:
6767
TLS_MODE = "SSL"
6868
STATUS_APCONNECTED = 2 # CIPSTATUS method
6969
STATUS_WIFI_APCONNECTED = 2 # CWSTATE method
70-
7170
STATUS_SOCKETOPEN = 3 # CIPSTATUS method
7271
STATUS_SOCKET_OPEN = 3 # CIPSTATE method
73-
7472
STATUS_SOCKETCLOSED = 4 # CIPSTATUS method
7573
STATUS_SOCKET_CLOSED = 4 # CIPSTATE method
76-
7774
STATUS_NOTCONNECTED = 5 # CIPSTATUS method
7875
STATUS_WIFI_NOTCONNECTED = 1 # CWSTATE method
7976
STATUS_WIFI_DISCONNECTED = 4 # CWSTATE method
@@ -116,7 +113,6 @@ def __init__(
116113
self._ifconfig = []
117114
self._initialized = False
118115
self._conntype = None
119-
120116
self._use_cipstatus = use_cipstatus
121117

122118
def begin(self) -> None:
@@ -400,7 +396,6 @@ def socket_receive(self, timeout: int = 5) -> bytearray:
400396
i = 0 # reset the input buffer now that we know the size
401397
elif i > 20:
402398
i = 0 # Hmm we somehow didnt get a proper +IPD packet? start over
403-
404399
else:
405400
self.hw_flow(False) # stop the flow
406401
# read as much as we can!
@@ -491,29 +486,11 @@ def is_connected(self) -> bool:
491486
print("is_connected(): status says not connected")
492487
return False
493488

489+
# pylint: disable=too-many-branches
490+
# pylint: disable=too-many-return-statements
494491
@property
495492
def status(self) -> Union[int, None]:
496493
"""The IP connection status number (see AT+CIPSTATUS datasheet for meaning)"""
497-
# Note that CIPSTATUS, at least in the esp32-c3 version of espressif AT firmware
498-
# is considered deprecated and you should use AT+CWSTATE for wifi state
499-
# and AT+CIPSTATE for socket connection statuses.
500-
#
501-
# if CWSTATE/CIPSTATE are available, this function uses those and generates
502-
# a return code compatible with CIPSTATUS. For more fine grain control
503-
# you can use status_wifi and status_socket
504-
# if CWSTATE/CIPSTATE are not available, this falls back to using CIPSTATUS
505-
# (e.g. - ILabs Challenger RP2040 Wifi which has an onboard ESP8285 with older
506-
# firmware)
507-
# CIPSTATUS status messages:
508-
#<stat>: status of the ESP32-C3 station interface.
509-
# 0: The ESP32-C3 station is not initialized.
510-
# 1: The ESP32-C3 station is initialized, but not started a Wi-Fi connection yet.
511-
# 2: The ESP32-C3 station is connected to an AP and its IP address is obtained.
512-
# 3: The ESP32-C3 station has created a TCP/SSL transmission.
513-
# 4: All of the TCP/UDP/SSL connections of the ESP32-C3 station are disconnected.
514-
# 5: The ESP32-C3 station started a Wi-Fi connection, but was not connected
515-
# to an AP or disconnected from an AP.
516-
517494
if self._use_cipstatus:
518495
replies = self.at_response("AT+CIPSTATUS", timeout=5).split(b"\r\n")
519496
for reply in replies:
@@ -531,12 +508,17 @@ def status(self) -> Union[int, None]:
531508
for reply in replies:
532509
if reply.startswith(b"STATUS:"):
533510
cipstatus = int(reply[7:8])
534-
print(f"STATUS: CWSTATE: {status_w}, CIPSTATUS: {cipstatus}, CIPSTATE: {status_s}")
511+
print(
512+
f"STATUS: CWSTATE: {status_w}, CIPSTATUS: {cipstatus}, CIPSTATE: {status_s}"
513+
)
535514

536515
# Produce a cipstatus-compatible status code
537516
# Codes are not the same between CWSTATE/CIPSTATUS so in some combinations
538517
# we just pick what we hope is best.
539-
if status_w in (self.STATUS_WIFI_NOTCONNECTED, self.STATUS_WIFI_DISCONNECTED):
518+
if status_w in (
519+
self.STATUS_WIFI_NOTCONNECTED,
520+
self.STATUS_WIFI_DISCONNECTED,
521+
):
540522
if self._debug:
541523
print(f"STATUS returning {self.STATUS_NOTCONNECTED}")
542524
return self.STATUS_NOTCONNECTED
@@ -546,31 +528,26 @@ def status(self) -> Union[int, None]:
546528
print(f"STATUS returning {self.STATUS_SOCKETOPEN}")
547529
return self.STATUS_SOCKETOPEN
548530

549-
# Sometimes you get a CIPSTATUS=4 when CWSTATE=2/CIPSTATE=4 and sometimes you
550-
# get CIPSTATUS=2 when CWSTATE=2/CIPSTATE=4
551-
# if status_w == self.STATUS_WIFI_APCONNECTED and status_s == self.STATUS_SOCKET_CLOSED:
552-
# if self._debug:
553-
# print(f"STATUS returning {self.STATUS_SOCKETCLOSED}")
554-
# return self.STATUS_SOCKETCLOSED
555-
556531
if status_w == self.STATUS_WIFI_APCONNECTED:
557532
if self._debug:
558533
print(f"STATUS returning {self.STATUS_APCONNECTED}")
559534
return self.STATUS_APCONNECTED
560535

561536
# handle extra codes from CWSTATE
562-
if status_w == 0: # station has not started any Wi-Fi connection.
537+
if status_w == 0: # station has not started any Wi-Fi connection.
563538
if self._debug:
564539
print("STATUS returning 1")
565540
return 1 # this cipstatus had no previous handler variable
566541

567542
# pylint: disable=line-too-long
568-
if status_w == 1: # station has connected to an AP, but does not get an IPv4 address yet.
543+
if (
544+
status_w == 1
545+
): # station has connected to an AP, but does not get an IPv4 address yet.
569546
if self._debug:
570547
print("STATUS returning 1")
571-
return 1 # this cipstatus had no previous handler variable
548+
return 1 # this cipstatus had no previous handler variable
572549

573-
if status_w == 3: # station is in Wi-Fi connecting or reconnecting state.
550+
if status_w == 3: # station is in Wi-Fi connecting or reconnecting state.
574551
if self._debug:
575552
print(f"STATUS returning {self.STATUS_NOTCONNECTED}")
576553
return self.STATUS_NOTCONNECTED
@@ -585,16 +562,6 @@ def status(self) -> Union[int, None]:
585562
@property
586563
def status_wifi(self) -> Union[int, None]:
587564
"""The WIFI connection status number (see AT+CWSTATE datasheet for meaning)"""
588-
# Note that as of 2022-Nov CIPSTATUS is deprecated and replaced with CWSTATE and CIPSTATE
589-
# and the CWSTATE <state> codes are different than the old CIPSTATUS codes.
590-
# CWSTATE:
591-
# <state>: current Wi-Fi state.
592-
# 0: ESP32-C3 station has not started any Wi-Fi connection.
593-
# 1: ESP32-C3 station has connected to an AP, but does not get an IPv4 address yet.
594-
# 2: ESP32-C3 station has connected to an AP, and got an IPv4 address.
595-
# 3: ESP32-C3 station is in Wi-Fi connecting or reconnecting state.
596-
# 4: ESP32-C3 station is in Wi-Fi disconnected state.
597-
# <”ssid”>: the SSID of the target AP.
598565
replies = self.at_response("AT+CWSTATE?", timeout=5).split(b"\r\n")
599566
for reply in replies:
600567
if reply.startswith(b"+CWSTATE:"):
@@ -609,20 +576,6 @@ def status_wifi(self) -> Union[int, None]:
609576
@property
610577
def status_socket(self) -> Union[int, None]:
611578
"""The Socket connection status number (see AT+CIPSTATE for meaning)"""
612-
# +CIPSTATE:<link ID>,<"type">,<"remote IP">,<remote port>,<local port>,<tetype>
613-
# OK
614-
# When there is no connection, AT returns:
615-
# OK
616-
# Parameters
617-
# <link ID>: ID of the connection (0~4), used for multiple connections.
618-
# <”type”>: string parameter showing the type of transmission: “TCP”, “TCPv6”,
619-
# “UDP”, “UDPv6”, “SSL”, or “SSLv6”.
620-
# <”remote IP”>: string parameter showing the remote IPv4 address or IPv6 address.
621-
# <remote port>: the remote port number.
622-
# <local port>: the local port number.
623-
# <tetype>:
624-
# 0: ESP32-C3 runs as a client.
625-
# 1: ESP32-C3 runs as a server.
626579
replies = self.at_response("AT+CIPSTATE?", timeout=5).split(b"\r\n")
627580
for reply in replies:
628581
# If there are any +CIPSTATE lines that means it's an open socket
@@ -740,6 +693,7 @@ def join_AP( # pylint: disable=invalid-name
740693
return
741694

742695
# pylint: disable=invalid-name
696+
# pylint: disable=too-many-arguments
743697
def join_AP_Enterprise(
744698
self,
745699
ssid: str,
@@ -755,7 +709,6 @@ def join_AP_Enterprise(
755709
# Not sure how to verify certificates so we set that to not verify.
756710
certificate_security = 0 # Bit0: Client certificate.Bit1: Server certificate.
757711

758-
# First make sure we're in 'station' mode so we can connect to AP's
759712
if self._debug:
760713
print("In join_AP_Enterprise()")
761714
if self.mode != self.MODE_STATION:
@@ -765,9 +718,6 @@ def join_AP_Enterprise(
765718
if router and router[0] == ssid:
766719
return # we're already connected!
767720
reply = self.at_response(
768-
# from https://docs.espressif.com/projects/esp-at/en/latest/
769-
# esp32c3/AT_Command_Set/Wi-Fi_AT_Commands.html#cmd-jeap
770-
# AT+CWJEAP=<ssid>,<method>,<identity>,<username>,<password>,<security>[,<jeap_timeout>]
771721
'AT+CWJEAP="'
772722
+ ssid
773723
+ '",'
@@ -807,9 +757,7 @@ def disconnect(self, timeout: int = 5, retries: int = 3):
807757
else:
808758
wait_for_disconnect = False
809759
if self._debug is True:
810-
print(
811-
"disconnect(): Not connected, not waiting for disconnect message"
812-
)
760+
print("disconnect(): Not connected, not waiting for disconnect message")
813761
reply = self.at_response("AT+CWQAP", timeout=timeout, retries=retries)
814762
# Don't bother waiting for disconnect message if we weren't connected already
815763
# sometimes the "WIFI DISCONNECT" shows up in the reply and sometimes it doesn't.
@@ -835,7 +783,6 @@ def disconnect(self, timeout: int = 5, retries: int = 3):
835783
print(
836784
f"disconnect(): Timed out wating for WIFI DISCONNECT: {response}"
837785
)
838-
return
839786

840787
def scan_APs( # pylint: disable=invalid-name
841788
self, retries: int = 3

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