Major update to the existing python scripts and added creategif and tool for 256 color terms

applications/ranger_terminal.desktop

@@ -3,6 +3,6 @@ Type=Application
 Name=ranger-terminal
 Comment=Launches the ranger file manager
 Icon=utilities-terminal
-Exec=urxvt -e ranger
+Exec=termite -e ranger
 Categories=System;FileTools;FileManager
 MimeType=inode/directory;

creategif.py

@@ -0,0 +1,98 @@
+#!/usr/bin/python
+
+"""
+creategif.py to create awful gif animations from videos! :D
+ -h help
+ -i [--input] input file
+ -o [--output] output file
+ -v [--verbose] verbose level. Set it as "verbose"
+ -s [--size] size of the video. Give the size of the longest dimension (default: 320)
+ -d [--delay] delay in ms for each frame for the generated gif (default: 5)
+ -r [--rate] the rate in which frames are extracted (default: 10 fps)
+"""
+
+import getopt
+import sys
+import subprocess
+from subprocess import call
+import lib.helpers as helpers
+
+__author__ = 'lanxu <jukka.lankinen@gmail.com>'
+
+def main(argv):
+    ffmpeg_available = helpers.is_exe("/usr/bin/ffmpeg")
+    convert_available = helpers.is_exe("/usr/bin/convert")
+
+    input_file = ''
+    output_file = ''
+    loglevel = 'error'
+    size = '320'
+    delay = '5'
+    rate = '10'
+
+    try:
+        opts, args = getopt.getopt(argv,"hi:o:v:s:d:r:", ["input=","output=","verbose=", "size=", "delay=", "rate="])
+    except getopt.GetoptError:
+        print('creategif.py -i <inputfile> -o <outputfile>')
+        sys.exit(1)
+
+    for opt, arg in opts:
+        if opt == '-h':
+            print('creategif.py -i <inputfile> -o <outputfile> [-v]')
+            sys.exit()
+        elif opt in ("-v", "--verbose"):
+            loglevel = 'verbose'
+        elif opt in ("-i", "--input"):
+            input_file = arg
+        elif opt in ("-o", "--output"):
+            output_file = arg
+        elif opt in ("-s", "--size"):
+            size = arg
+        elif opt in ("-d", "--delay"):
+            delay = arg
+        elif opt in ("-r", "--rate"):
+            rate = arg
+
+    if not ffmpeg_available or not convert_available:
+        print('ffmpeg or convert not installed')
+        sys.exit(1)
+
+    if output_file == "" or input_file == "":
+        print('provide input and output files')
+        sys.exit(1)
+
+    if loglevel != "error":
+        print('Input file is "'+input_file+'"')
+        print('Output file is "'+output_file+'"')
+
+    try:
+        command_ffmpeg = ['ffmpeg', '-i', input_file,
+                          '-loglevel', loglevel,
+                          '-vf', 'scale='+size+':-1',
+                          '-r', rate,
+                          '-f', 'image2pipe',
+                          '-vcodec', 'ppm',
+                          '-']
+        command_convert = ['convert',
+                           '-delay', delay,
+                           '-loop', '0',
+                           '-layers', 'Optimize',
+                           '-matte', '+dither',
+                           '-alpha', 'remove',
+                           '-depth', '8',
+                           '-', output_file]
+
+        ps = subprocess.Popen(command_ffmpeg, stdout=subprocess.PIPE)
+        val = call(command_convert, stdin=ps.stdout)
+        # ffmpeg returns 0 if success
+        if val > 0:
+            print('Encoding failed!')
+            sys.exit(2)
+    except:
+        print('Encoding failed!')
+        sys.exit(2)
+
+    if loglevel != "error":
+        print('Done.')
+if __name__ == "__main__":
+    main(sys.argv[1:])

encode-vp9.py

@@ -3,23 +3,13 @@ import os
 import re
 import sys
 import getopt 
+import lib.helpers as helpers
 from subprocess import call
 
 __author__ = 'lanxu <jukka.lankinen@gmail.com>'
 
-def is_exe(fpath):
-    return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
-
-def run_command(command):
-    try:
-        return_value = call(command) 
-    except (RuntimeError, TypeError, NameError, OSError) as error:
-        raise
-
-    return return_value 
-
 def main(argv):
-    ffmpeg_available = is_exe("/usr/bin/ffmpeg")
+    ffmpeg_available = helpers.is_exe("/usr/bin/ffmpeg")
 
     inputFile = ''
     outputFile = ''
@@ -62,7 +52,7 @@ def main(argv):
 
     print('Running pass 1...')
     try:
-        val = run_command(command_pass1)
+        val = helpers.run_command(command_pass1)
         # ffmpeg returns 0 if success
         if val > 0:
                 print('Encoding failed')
@@ -74,7 +64,7 @@ def main(argv):
 
     print('Running pass 2..')
     try:
-        run_command(command_pass2)
+        val = helpers.run_command(command_pass2)
         # ffmpeg returns 0 if success
         if val > 0:
                 print('Encoding failed')

extract.py

@@ -2,6 +2,7 @@
 
 """
 Archive extract script with sub-directory creation
+This tool is more or less same as atool
 """
 
 # vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4

gen-ctags.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+extract_ctags()
+{
+  LIBRARY=$1
+
+  pacman -Ql $LIBRARY | grep -E -o '/usr/include/.*\.(h|hpp)' | grep -v "/usr/include/${LIBRARY}/typeof/" > ~/.vim/tags/$LIBRARY-filelist
+  ctags --sort=foldcase --c++-kinds=+p --fields=+iaS --extra=+q -f --language-force=C++ ~/.vim/tags/$LIBRARY -L ~/.vim/tags/$LIBRARY-filelist
+}
+
+echo "Generating CTAGS..."
+
+#extract_ctags boost
+#extract_ctags sdl2
+#extract_ctags opencv
+extract_ctags mesa

gputemp.py

@@ -3,19 +3,17 @@ import os
 import re
 import logging
 import subprocess
+import lib.helpers as helpers
 from subprocess import check_output
 
 FORMAT = "%(asctime)s %(levelname)s %(message)s"
 logging.basicConfig(format=FORMAT, filename=__file__+'.log', level=logging.DEBUG)
 
-def is_exe(fpath):
-    return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
-
-aticonfig_available = is_exe("/usr/bin/aticonfig")
-sensors_available = is_exe("/usr/bin/sensors")
+aticonfig_available = helpers.is_exe("/usr/bin/aticonfig")
+sensors_available = helpers.is_exe("/usr/bin/sensors")
 
 if sensors_available:
-    commands = ["sensors radeon-pci-* | grep temp1", "sensors thinkpad-isa-0000 | grep ATI"]
+    commands = ["sensors amdgpu-pci-* | grep temp1", "sensors radeon-pci-* | grep temp1", "sensors thinkpad-isa-0000 | grep ATI"]
 
     for try_command in commands:
         command = try_command

lastpass.sh

@@ -3,7 +3,7 @@
 # First check if lastpass is correctly initialized
 if lpass ls 1>/dev/null 2>&1; then
   # success
-  lpass ls | grep $1 | awk '{ if (match($0,/\[id: (.*)?\]/,m)) print m[1] }' | xargs lpass show 
+  lpass ls | grep --ignore-case $1 | awk '{ if (match($0,/\[id: (.*)?\]/,m)) print m[1] }' | xargs lpass show 
   # --color=always --format="%ai %au %ap" # unable to use because lpass is buggy with the formatting
 else
   # failure

lib/helpers.py

@@ -0,0 +1,21 @@
+"""
+General helpers for my scripts
+"""
+import os
+from subprocess import call
+
+# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
+__author__ = 'lanxu <jukka.lankinen@gmail.com>'
+
+def is_exe(fpath):
+    """ Tells if the given file is an executable """
+    return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
+
+def run_command(command):
+    """ Attempts to run the given command """
+    try:
+        return_value = call(command)
+    except (RuntimeError, TypeError, NameError, OSError) as error:
+        raise
+
+    return return_value

tools/print256colours.sh

@@ -0,0 +1,96 @@
+#!/bin/bash
+
+# Tom Hale, 2016. MIT Licence.
+# Print out 256 colours, with each number printed in its corresponding colour
+# See http://askubuntu.com/questions/821157/print-a-256-color-test-pattern-in-the-terminal/821163#821163
+
+set -eu # Fail on errors or undeclared variables
+
+printable_colours=256
+
+# Return a colour that contrasts with the given colour
+# Bash only does integer division, so keep it integral
+function contrast_colour {
+    local r g b luminance
+    colour="$1"
+
+    if (( colour < 16 )); then # Initial 16 ANSI colours
+        (( colour == 0 )) && printf "15" || printf "0"
+        return
+    fi
+
+    # Greyscale # rgb_R = rgb_G = rgb_B = (number - 232) * 10 + 8
+    if (( colour > 231 )); then # Greyscale ramp
+        (( colour < 244 )) && printf "15" || printf "0"
+        return
+    fi
+
+    # All other colours:
+    # 6x6x6 colour cube = 16 + 36*R + 6*G + B  # Where RGB are [0..5]
+    # See http://stackoverflow.com/a/27165165/5353461
+
+    # r=$(( (colour-16) / 36 ))
+    g=$(( ((colour-16) % 36) / 6 ))
+    # b=$(( (colour-16) % 6 ))
+
+    # If luminance is bright, print number in black, white otherwise.
+    # Green contributes 587/1000 to human perceived luminance - ITU R-REC-BT.601
+    (( g > 2)) && printf "0" || printf "15"
+    return
+
+    # Uncomment the below for more precise luminance calculations
+
+    # # Calculate percieved brightness
+    # # See https://www.w3.org/TR/AERT#color-contrast
+    # # and http://www.itu.int/rec/R-REC-BT.601
+    # # Luminance is in range 0..5000 as each value is 0..5
+    # luminance=$(( (r * 299) + (g * 587) + (b * 114) ))
+    # (( $luminance > 2500 )) && printf "0" || printf "15"
+}
+
+# Print a coloured block with the number of that colour
+function print_colour {
+    local colour="$1" contrast
+    contrast=$(contrast_colour "$1")
+    printf "\e[48;5;%sm" "$colour"                # Start block of colour
+    printf "\e[38;5;%sm%3d" "$contrast" "$colour" # In contrast, print number
+    printf "\e[0m "                               # Reset colour
+}
+
+# Starting at $1, print a run of $2 colours
+function print_run {
+    local i
+    for (( i = "$1"; i < "$1" + "$2" && i < printable_colours; i++ )) do
+        print_colour "$i"
+    done
+    printf "  "
+}
+
+# Print blocks of colours
+function print_blocks {
+    local start="$1" i
+    local end="$2" # inclusive
+    local block_cols="$3"
+    local block_rows="$4"
+    local blocks_per_line="$5"
+    local block_length=$((block_cols * block_rows))
+
+    # Print sets of blocks
+    for (( i = start; i <= end; i += (blocks_per_line-1) * block_length )) do
+        printf "\n" # Space before each set of blocks
+        # For each block row
+        for (( row = 0; row < block_rows; row++ )) do
+            # Print block columns for all blocks on the line
+            for (( block = 0; block < blocks_per_line; block++ )) do
+                print_run $(( i + (block * block_length) )) "$block_cols"
+            done
+            (( i += block_cols )) # Prepare to print the next row
+            printf "\n"
+        done
+    done
+}
+
+print_run 0 16 # The first 16 colours are spread over the whole spectrum
+printf "\n"
+print_blocks 16 231 6 6 3 # 6x6x6 colour cube between 16 and 231 inclusive
+print_blocks 232 255 12 2 1 # Not 50, but 24 Shades of Grey