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Discard dumpsys stderr so "Broken pipe" does not corrupt parsed output #376

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Discard dumpsys stderr so "Broken pipe" does not corrupt parsed output #376

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32 changes: 17 additions & 15 deletions androidtv/constants.py
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Original file line number Diff line number Diff line change
Expand Up @@ -72,16 +72,16 @@ class DeviceEnum(IntEnum):
CMD_SUCCESS1_FAILURE0 = r" && echo -e '1\c' || echo -e '0\c'"

#: Get the audio state
CMD_AUDIO_STATE = r"dumpsys audio | grep paused | grep -qv 'Buffer Queue' && echo -e '1\c' || (dumpsys audio | grep started | grep -qv 'Buffer Queue' && echo '2\c' || echo '0\c')"
CMD_AUDIO_STATE = r"dumpsys audio 2>/dev/null | grep paused | grep -qv 'Buffer Queue' && echo -e '1\c' || (dumpsys audio 2>/dev/null | grep started | grep -qv 'Buffer Queue' && echo '2\c' || echo '0\c')"

#: Get the audio state for an Android 11+ device
CMD_AUDIO_STATE11 = (
"CURRENT_AUDIO_STATE=$(dumpsys audio | sed -r -n '/[0-9]{2}-[0-9]{2}.*player piid:.*(state|event):(started|paused|stopped).*$/h; ${x;p;}') && "
"CURRENT_AUDIO_STATE=$(dumpsys audio 2>/dev/null | sed -r -n '/[0-9]{2}-[0-9]{2}.*player piid:.*(state|event):(started|paused|stopped).*$/h; ${x;p;}') && "
+ r"echo $CURRENT_AUDIO_STATE | grep -q paused && echo -e '1\c' || { echo $CURRENT_AUDIO_STATE | grep -q started && echo '2\c' || echo '0\c' ; }"
)

#: Determine whether the device is awake
CMD_AWAKE = "dumpsys power | grep mWakefulness | grep -q Awake"
CMD_AWAKE = "dumpsys power 2>/dev/null | grep mWakefulness | grep -q Awake"

#: Parse current application identifier from dumpsys output and assign it to ``CURRENT_APP`` variable (assumes dumpsys output is momentarily set to ``CURRENT_APP`` variable)
CMD_PARSE_CURRENT_APP = "CURRENT_APP=${CURRENT_APP#*ActivityRecord{* * } && CURRENT_APP=${CURRENT_APP#*{* * } && CURRENT_APP=${CURRENT_APP%%/*} && CURRENT_APP=${CURRENT_APP%\\}*}"
Expand All @@ -90,22 +90,24 @@ class DeviceEnum(IntEnum):
CMD_PARSE_CURRENT_APP11 = "CURRENT_APP=${CURRENT_APP%%/*} && CURRENT_APP=${CURRENT_APP##* }"
#: Assign focused application identifier to ``CURRENT_APP`` variable
CMD_DEFINE_CURRENT_APP_VARIABLE = (
"CURRENT_APP=$(dumpsys window windows | grep -E 'mCurrentFocus|mFocusedApp') && " + CMD_PARSE_CURRENT_APP
"CURRENT_APP=$(dumpsys window windows 2>/dev/null | grep -E 'mCurrentFocus|mFocusedApp') && "
+ CMD_PARSE_CURRENT_APP
)
#: Assign focused application identifier to ``CURRENT_APP`` variable for an Android 11 device
CMD_DEFINE_CURRENT_APP_VARIABLE11 = (
"CURRENT_APP=$(dumpsys window windows | grep -E 'mInputMethod(Input)?Target') && " + CMD_PARSE_CURRENT_APP11
"CURRENT_APP=$(dumpsys window windows 2>/dev/null | grep -E 'mInputMethod(Input)?Target') && "
+ CMD_PARSE_CURRENT_APP11
)

#: Assign focused application identifier to ``CURRENT_APP`` variable for an Android 12 device
CMD_DEFINE_CURRENT_APP_VARIABLE12 = (
"CURRENT_APP=$(dumpsys window windows | grep -E 'mCurrentFocus|mFocusedApp|mObscuringWindow') && "
"CURRENT_APP=$(dumpsys window windows 2>/dev/null | grep -E 'mCurrentFocus|mFocusedApp|mObscuringWindow') && "
+ CMD_PARSE_CURRENT_APP11
)

#: Assign focused application identifier to ``CURRENT_APP`` variable for an Android 13+ device
CMD_DEFINE_CURRENT_APP_VARIABLE13 = (
"CURRENT_APP=$(dumpsys window windows | grep -E -m 1 'imeLayeringTarget|imeInputTarget|imeControlTarget') && "
"CURRENT_APP=$(dumpsys window windows 2>/dev/null | grep -E -m 1 'imeLayeringTarget|imeInputTarget|imeControlTarget') && "
+ CMD_PARSE_CURRENT_APP11
)

Expand All @@ -125,7 +127,7 @@ class DeviceEnum(IntEnum):
#: Assign focused application identifier to ``CURRENT_APP`` variable (for a Askey STI6130 )
#: Tested on Bell Streamer which is sti6130. May also work the same on Walmart Onn android stick, which is the same hardware, but labelled Askey STI6140
CMD_DEFINE_CURRENT_APP_VARIABLE_ASKEY_STI6130 = (
"CURRENT_APP=$(dumpsys window windows | grep -E -m 1 'imeLayeringTarget|imeInputTarget|imeControlTarget') && "
"CURRENT_APP=$(dumpsys window windows 2>/dev/null | grep -E -m 1 'imeLayeringTarget|imeInputTarget|imeControlTarget') && "
+ CMD_PARSE_CURRENT_APP11
)

Expand All @@ -135,7 +137,7 @@ class DeviceEnum(IntEnum):

#: Assign focused application identifier to ``CURRENT_APP`` variable (for a Google TV device)
CMD_DEFINE_CURRENT_APP_VARIABLE_GOOGLE_TV = (
"CURRENT_APP=$(dumpsys activity a . | grep mResumedActivity) && " + CMD_PARSE_CURRENT_APP
"CURRENT_APP=$(dumpsys activity a . 2>/dev/null | grep mResumedActivity) && " + CMD_PARSE_CURRENT_APP
)

#: Output identifier for current/focused application (for a Google TV device)
Expand All @@ -149,12 +151,12 @@ class DeviceEnum(IntEnum):

#: Get the HDMI input
CMD_HDMI_INPUT = (
"dumpsys activity starter | grep -E -o '(ExternalTv|HDMI)InputService/HW[0-9]' -m 1 | grep -o 'HW[0-9]'"
"dumpsys activity starter 2>/dev/null | grep -E -o '(ExternalTv|HDMI)InputService/HW[0-9]' -m 1 | grep -o 'HW[0-9]'"
)

#: Get the HDMI input for an Android 11 device
CMD_HDMI_INPUT11 = (
"(HDMI=$(dumpsys tv_input | grep 'ResourceClientProfile {.*}' | grep -o -E '(hdmi_port=[0-9]|TV)') && { echo ${HDMI/hdmi_port=/HW} | cut -d' ' -f1 ; }) || "
"(HDMI=$(dumpsys tv_input 2>/dev/null | grep 'ResourceClientProfile {.*}' | grep -o -E '(hdmi_port=[0-9]|TV)') && { echo ${HDMI/hdmi_port=/HW} | cut -d' ' -f1 ; }) || "
+ CMD_HDMI_INPUT
)

Expand Down Expand Up @@ -199,7 +201,7 @@ class DeviceEnum(IntEnum):
)

#: Get the state from ``dumpsys media_session``; this assumes that the variable ``CURRENT_APP`` has been defined
CMD_MEDIA_SESSION_STATE = "dumpsys media_session | grep -A 100 'Sessions Stack' | grep -A 100 $CURRENT_APP | grep -m 1 'state=PlaybackState {'"
CMD_MEDIA_SESSION_STATE = "dumpsys media_session 2>/dev/null | grep -A 100 'Sessions Stack' | grep -A 100 $CURRENT_APP | grep -m 1 'state=PlaybackState {'"

#: Determine the current app and get the state from ``dumpsys media_session``
CMD_CURRENT_APP_MEDIA_SESSION_STATE = CMD_CURRENT_APP + " && " + CMD_MEDIA_SESSION_STATE
Expand All @@ -226,10 +228,10 @@ class DeviceEnum(IntEnum):
CMD_INSTALLED_APPS = "pm list packages"

#: Determine if the device is on
CMD_SCREEN_ON = "(dumpsys power | grep 'Display Power' | grep -q 'state=ON' || dumpsys power | grep -q 'mScreenOn=true' || dumpsys display | grep -q 'mScreenState=ON')"
CMD_SCREEN_ON = "(dumpsys power 2>/dev/null | grep 'Display Power' | grep -q 'state=ON' || dumpsys power 2>/dev/null | grep -q 'mScreenOn=true' || dumpsys display 2>/dev/null | grep -q 'mScreenState=ON')"

#: Get the "STREAM_MUSIC" block from ``dumpsys audio``
CMD_STREAM_MUSIC = r"dumpsys audio | grep '\- STREAM_MUSIC:' -A 11"
CMD_STREAM_MUSIC = r"dumpsys audio 2>/dev/null | grep '\- STREAM_MUSIC:' -A 11"

#: Turn off an Android TV device (note: `KEY_POWER = 26` is defined below)
CMD_TURN_OFF_ANDROIDTV = CMD_SCREEN_ON + " && input keyevent 26"
Expand All @@ -244,7 +246,7 @@ class DeviceEnum(IntEnum):
CMD_TURN_ON_FIRETV = CMD_SCREEN_ON + " || (input keyevent 26 && input keyevent 3)"

#: Get the wake lock size
CMD_WAKE_LOCK_SIZE = "dumpsys power | grep Locks | grep 'size='"
CMD_WAKE_LOCK_SIZE = "dumpsys power 2>/dev/null | grep Locks | grep 'size='"

#: Determine if the device is on, the screen is on, and get the wake lock size
CMD_SCREEN_ON_AWAKE_WAKE_LOCK_SIZE = (
Expand Down
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