Updated bash scripts dir name/added bashscripts readme.

This commit is contained in:
Justin Emter
2017-09-08 20:17:54 -07:00
parent 28bba9d89f
commit 8622e2cf3b
5 changed files with 33 additions and 0 deletions

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If you'd like to set up multi-channel support using PseudoChannel.py, use these scripts to:
1) Use a remote or Alexa or some device to trigger the channelup.sh/channeldown.sh scripts to cycle through the channels.
2) Setup a "crontab" to run generate-channels-daily-schedule.sh script to automate each PseudoChannel.py to generate the daily
schedule.
3) Use, "updatechannels.sh" to update each channels' local db with newly added Plex library items.
All of these scripts need to be placed one level up from all the channels directories. Your directory structure should look something like this:
```bash
-channels/
--plex_token.py
--channel_1/
---pseudo-channel.db
---PseudoChannel.py
---...etc.
--channel_2/
---pseudo-channel.db
---PseudoChannel.py
---...etc.
--channel_3/
---pseudo-channel.db
---PseudoChannel.py
---...etc.
--channelup.sh
--channeldown.sh
--generate-channels-daily-schedule.sh
--updatechannels.sh
```
*Note: this functionality is still being tweaked as are the bash scripts so only attempt this implementation if you are somewhat confident to tinker with bash/crontabs, etc. Or feel free to contact us at github or the discord chat room dedicated to PseudoChannel.tv. Just check the repo for more info.

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#!/bin/bash
# file: channeldown.sh
#----
# Simple script to cycle through multiple pseudo-channel instances - triggering start / stop.
#----
#----
# To Use:
# Configure something (a tv remote or alexa) to trigger this script. Make sure you move this script just
# outside of the pseudo-channel directories:
# -------------------
# -channels/
# --pseudo-channel_1/
# ---startstop.sh
# --pseudo-channel_2/
# ---startstop.sh
# --pseudo-channel_3/
# ---startstop.sh
# --channeldown.sh <--- on the same level as the 3 channels.
#----
# Make sure that each channel dir ends with a "_" + an incrementing number as seen above.
#----BEGIN EDITABLE VARS----
SCRIPT_TO_EXECUTE='startstop.sh'
OUTPUT_PREV_CHANNEL_PATH=.
OUTPUT_PREV_CHANNEL_FILE=".prevplaying"
CHANNEL_DIR_INCREMENT_SYMBOL="_"
#----END EDITABLE VARS-------
FIRST_RUN=false
# Scan the dir to see how many channels there are, store them in an arr.
CHANNEL_DIR_ARR=( $(find . -maxdepth 1 -type d -name '*'"$CHANNEL_DIR_INCREMENT_SYMBOL"'[[:digit:]]*' -printf "%P\n") )
# If the previous channel txt file doesn't exist already create it (first run?)
if [ ! -e "$OUTPUT_PREV_CHANNEL_PATH/$OUTPUT_PREV_CHANNEL_FILE" ]; then
#FIRST_RUN_NUM=$((${#CHANNEL_DIR_ARR[@]}))
echo 1 > "$OUTPUT_PREV_CHANNEL_PATH/$OUTPUT_PREV_CHANNEL_FILE"
echo "First run: $FIRST_RUN_NUM"
FIRST_RUN=true
fi
# If this script see's there are multiple channels,
# then read file, get prevchannel, increment, and trigger next channel:
if [ "${#CHANNEL_DIR_ARR[@]}" -gt 1 ]; then
NEXT_CHANNEL=""
NEXT_CHANNEL_NUM=1
PREV_CHANNEL_FOUND=false
PREV_CHANNEL_DIR=""
echo "+++++ There are ${#CHANNEL_DIR_ARR[@]} channels detected."
PREV_CHANNEL=$(<$OUTPUT_PREV_CHANNEL_PATH/$OUTPUT_PREV_CHANNEL_FILE)
echo "+++++ It looks like the previous channel was: $PREV_CHANNEL"
# Now that the prevchannel is stored in a var, loop through channels and find prev channel & increment
for ((i = ${#CHANNEL_DIR_ARR[@]};i >= 1;i--)); do
NEXT_CHANNEL_NUM=$i
if [[ ${i} == *"$PREV_CHANNEL"* ]]; then
echo "+++++ Found previous channel, incrementing by 1."
PREV_CHANNEL_FOUND=true
PREV_CHANNEL_DIR=${CHANNEL_DIR_ARR[i-1]}
continue
fi
if [ "$PREV_CHANNEL_FOUND" = true ] ; then
NEXT_CHANNEL=${CHANNEL_DIR_ARR[i-1]}
break
fi
done
# If the next channel is an empty string, then we need to start the cycle over.
if [ -z "$NEXT_CHANNEL" ]; then
ARR_LENGTH=(${#CHANNEL_DIR_ARR[@]})
NEXT_CHANNEL=${CHANNEL_DIR_ARR[$ARR_LENGTH-1]}
echo "Starting cycle over."
echo "$PREV_CHANNEL_DIR"
echo "$NEXT_CHANNEL"
fi
echo "+++++ The next channel is: $NEXT_CHANNEL"
# Write next channel to previous channel file to reference later
echo "$NEXT_CHANNEL" | cut -d "_" -f2 > "$OUTPUT_PREV_CHANNEL_PATH/$OUTPUT_PREV_CHANNEL_FILE"
# Finally let's trigger the startstop script in both the previous channel and the next channel dirs.
# This will stop the previous channels playback & trigger the next channels playback
if [ "$FIRST_RUN" = false ]; then
cd "$OUTPUT_PREV_CHANNEL_PATH"/"$PREV_CHANNEL_DIR" && ./"$SCRIPT_TO_EXECUTE"
cd ../"$NEXT_CHANNEL" && ./"$SCRIPT_TO_EXECUTE"
else
cd "$OUTPUT_PREV_CHANNEL_PATH"/"$NEXT_CHANNEL" && ./"$SCRIPT_TO_EXECUTE"
fi
sleep 1
fi
exit 0

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#!/bin/bash
# file: channelup.sh
#----
# Simple script to cycle through multiple pseudo-channel instances - triggering start / stop.
#----
#----
# To Use:
# Configure something (a tv remote or alexa) to trigger this script. Make sure you move this script just
# outside of the pseudo-channel directories:
# -------------------
# -channels/
# --pseudo-channel_1/
# ---startstop.sh
# --pseudo-channel_2/
# ---startstop.sh
# --pseudo-channel_3/
# ---startstop.sh
# --channelup.sh <--- on the same level as the 3 channels.
#----
# Make sure that each channel dir ends with a "_" + an incrementing number as seen above.
#----BEGIN EDITABLE VARS----
SCRIPT_TO_EXECUTE='startstop.sh'
OUTPUT_PREV_CHANNEL_PATH=.
OUTPUT_PREV_CHANNEL_FILE=".prevplaying"
CHANNEL_DIR_INCREMENT_SYMBOL="_"
#----END EDITABLE VARS-------
FIRST_RUN=false
# If the previous channel txt file doesn't exist already create it (first run?)
if [ ! -e "$OUTPUT_PREV_CHANNEL_PATH/$OUTPUT_PREV_CHANNEL_FILE" ]; then
echo 1 > "$OUTPUT_PREV_CHANNEL_PATH/$OUTPUT_PREV_CHANNEL_FILE"
FIRST_RUN=true
fi
# If the file exists b
# Scan the dir to see how many channels there are, store them in an arr.
CHANNEL_DIR_ARR=( $(find . -maxdepth 1 -type d -name '*'"$CHANNEL_DIR_INCREMENT_SYMBOL"'[[:digit:]]*' -printf "%P\n") )
# If this script see's there are multiple channels,
# then read file, get prevchannel, increment, and trigger next channel:
if [ "${#CHANNEL_DIR_ARR[@]}" -gt 1 ]; then
NEXT_CHANNEL=""
PREV_CHANNEL_FOUND=false
PREV_CHANNEL_DIR=""
echo "+++++ There are ${#CHANNEL_DIR_ARR[@]} channels detected."
PREV_CHANNEL=$(<$OUTPUT_PREV_CHANNEL_PATH/$OUTPUT_PREV_CHANNEL_FILE)
echo "+++++ It looks like the previous channel was: $PREV_CHANNEL"
# Now that the prevchannel is stored in a var, loop through channels and find prev channel & increment
for channel in "${CHANNEL_DIR_ARR[@]}"
do
if [[ $channel == *"$PREV_CHANNEL"* ]]; then
echo "+++++ Found previous channel, incrementing by 1."
PREV_CHANNEL_FOUND=true
PREV_CHANNEL_DIR=$channel
continue
fi
if [ "$PREV_CHANNEL_FOUND" = true ] ; then
NEXT_CHANNEL=$channel
break
fi
done
# If the next channel is an empty string, then we need to start the cycle over.
if [ -z "$NEXT_CHANNEL" ]; then
NEXT_CHANNEL=${CHANNEL_DIR_ARR[0]}
fi
echo "+++++ The next channel is: $NEXT_CHANNEL"
# Write next channel to previous channel file to reference later
echo "$NEXT_CHANNEL" | cut -d "_" -f2 > "$OUTPUT_PREV_CHANNEL_PATH/$OUTPUT_PREV_CHANNEL_FILE"
# Finally let's trigger the startstop script in both the previous channel and the next channel dirs.
# This will stop the previous channels playback & trigger the next channels playback
if [ "$FIRST_RUN" = false ]; then
cd "$OUTPUT_PREV_CHANNEL_PATH"/"$PREV_CHANNEL_DIR" && ./"$SCRIPT_TO_EXECUTE"
cd ../"$NEXT_CHANNEL" && ./"$SCRIPT_TO_EXECUTE"
else
cd "$OUTPUT_PREV_CHANNEL_PATH"/"$NEXT_CHANNEL" && ./"$SCRIPT_TO_EXECUTE"
fi
sleep 1
fi
exit 0

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#!/bin/bash
# file: generate-channels-daily-schedules.sh
#----
# Simple script to generate the daily schedule for each individual channel.
#
#----
#----
# To Use:
# This script needs to be setup with a crontab entry that runs everyday at midnight.
#----
#----BEGIN EDITABLE VARS----
SCRIPT_TO_EXECUTE_PLUS_ARGS='PseudoChannel.py -g'
OUTPUT_PREV_CHANNEL_PATH=.
CHANNEL_DIR_INCREMENT_SYMBOL="_"
PYTHON_TO_USE="$(which python)"
# If using 'virtualenv' with python, specify the local virtualenv dir.
VIRTUAL_ENV_DIR="env"
#----END EDITABLE VARS-------
# If virtualenv specified & exists, using that version of python instead.
if [ -d "$VIRTUAL_ENV_DIR" ]; then
PYTHON_TO_USE="$VIRTUAL_ENV_DIR/bin/python"
fi
# If the file exists b
# Scan the dir to see how many channels there are, store them in an arr.
CHANNEL_DIR_ARR=( $(find . -maxdepth 1 -type d -name '*'"$CHANNEL_DIR_INCREMENT_SYMBOL"'[[:digit:]]' -printf "%P\n") )
# If this script see's there are multiple channels,
# then loop through each channel and run the updates
if [ "${#CHANNEL_DIR_ARR[@]}" -gt 1 ]; then
# If virtualenv specified & exists, using that version of python instead.
if [ -d ./"$channel"/"$VIRTUAL_ENV_DIR" ]; then
PYTHON_TO_USE=./"$channel"/"$VIRTUAL_ENV_DIR/bin/python"
fi
echo "+++++ There are ${#CHANNEL_DIR_ARR[@]} channels detected."
for channel in "${CHANNEL_DIR_ARR[@]}"
do
echo "+++++ Trying to update: ""$PYTHON_TO_USE" ./"$channel"/$SCRIPT_TO_EXECUTE_PLUS_ARGS
# If the running.pid file doesn't exists, create it, start PseudoChannel.py and add the PID to it.
"$PYTHON_TO_USE" ./"$channel"/$SCRIPT_TO_EXECUTE_PLUS_ARGS
sleep 1
done
fi
exit 0

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#!/bin/bash
# file: updatechannels.sh
#----
# Simple script to updates each channels local db with new Plex lib items / xml.
#----
#----
# To Use:
# If you added new content to your Plex Library, just make this file executable move it
# to where the plex_token.py file is and run ./updatechannels.sh
#----
# Make sure that each channel dir ends with a "_" + an incrementing number as seen above.
#----BEGIN EDITABLE VARS----
SCRIPT_TO_EXECUTE_PLUS_ARGS='PseudoChannel.py -u -xml'
OUTPUT_PREV_CHANNEL_PATH=.
CHANNEL_DIR_INCREMENT_SYMBOL="_"
PYTHON_TO_USE="$(which python)"
# If using 'virtualenv' with python, specify the local virtualenv dir.
VIRTUAL_ENV_DIR="env"
#----END EDITABLE VARS-------
# If virtualenv specified & exists, using that version of python instead.
if [ -d "$VIRTUAL_ENV_DIR" ]; then
PYTHON_TO_USE="$VIRTUAL_ENV_DIR/bin/python"
fi
# If the file exists b
# Scan the dir to see how many channels there are, store them in an arr.
CHANNEL_DIR_ARR=( $(find . -maxdepth 1 -type d -name '*'"$CHANNEL_DIR_INCREMENT_SYMBOL"'[[:digit:]]' -printf "%P\n") )
# If this script see's there are multiple channels,
# then loop through each channel and run the updates
if [ "${#CHANNEL_DIR_ARR[@]}" -gt 1 ]; then
# If virtualenv specified & exists, using that version of python instead.
if [ -d ./"$channel"/"$VIRTUAL_ENV_DIR" ]; then
PYTHON_TO_USE=./"$channel"/"$VIRTUAL_ENV_DIR/bin/python"
fi
echo "+++++ There are ${#CHANNEL_DIR_ARR[@]} channels detected."
for channel in "${CHANNEL_DIR_ARR[@]}"
do
echo "+++++ Trying to update: ""$PYTHON_TO_USE" ./"$channel"/$SCRIPT_TO_EXECUTE_PLUS_ARGS
# If the running.pid file doesn't exists, create it, start PseudoChannel.py and add the PID to it.
"$PYTHON_TO_USE" ./"$channel"/$SCRIPT_TO_EXECUTE_PLUS_ARGS
sleep 1
done
fi
exit 0