I try to get into Python and thought I build together my own IDE. Most of it consists of different addons for vim and changes in the vimrc (which of course I simply copied of google), but I also needed a way of executing the main.py file, even when I am working on some other file of the same project. So, since I learned bash scripting fairly recently, I thought I hack together a script doing that for me.
To be honest, it grew a lot longer than I'd have expected (and took much longer, too). I think I tried to give it a little more of a serious look (minus the one or other 'bloody' in error messages that should never show).
So, main question: Where can I streamline it and did I use totally 'hacky' solutions which I should definitely not use again?
### runpy ###
# Config #
# Config holds 4 options. Set them to one to activate them and set them 0 to deactivate them
# use Python Version
# Choose 2 for python2
# Choose 3 for python3
usePython=3
# Same Terminal
# This starts python in the very terminal window where you run the command
# If you want to change this to an external terminal emulator, please also
# add the fitting attribute to pass along a command. E.g.: 'xterm -e
# Important: Leave the final apostrophe open
sameTerminal=1
useTerminal="osascript -e 'tell application \"Terminal\" to do script "
# Interactive Mode
# Adds the "-i" option to the python command.
interactiveMode=0
# This file
# When activated, the file you're specifing in your working path will be chosen. If not the application
# will look for a 'main.py' file. Hereby is assumed that the file is exactly named 'main.py' and
# that it can be found in the same or the parent director. Sibling and subdirectories are ignored.
thisFile=0
# Declaring Variables
# Some Variables have already been declared in the config above.
workPath=""
usePython2=0
usePython3=0
mainPyFile=()
running=""
# Functions #
# Show Usage
showUsage () {
printf "%s\n" "This script is desinged to be part of a vim based IDE for Python. It will have a few base assumptions." "Assumptions:" " 1. This script is started from within vim." " 2. You're sorting your scripts like this '/differentFolderWithProjects/mainFolderWithMainFile/SubFolderForAdditionalRessources'. If that's not your system, this script won't work." "" "Usage: runpy [args] {path}" "Options:" " -2 Use Python2" " -3 Use Python3" " -t (thisFile) Run the file I am working on rather than the main.py file" " -s Use the same Terminal rather than a new window. This option is broken right now, same window is set on standard. Don't use the -s switch, you will only get an error message and the script will end without running anything." " -h Display this help screen and ends the script no matter what other attributes were given."
}
# Switch on or off attributes function
switch () {
switch=$1
if [[ "$switch" -eq 0 ]]; then
return 1
elif [[ "$switch" -eq 1 ]]; then
return 0
else
printf "%s\n" "How the fuck did you screw up this part of the script?" "Error in function Switch when passing attribute $switch."
fi
}
# Parsing for the main.py file
parseMainFile () {
while read -r file; do
if [[ -f $file ]]; then
mainPyFile[${#mainPyFile[@]}]="$file"
fi
done <<< $(find $(dirname $workPath) -name *main.py -maxdepth 1)
while read -r file; do
if [[ -f $file ]]; then
mainPyFile[${#mainPyFile[@]}]="$file"
fi
done <<< $(find $(dirname $workPath)/.. -name *main.py -maxdepth 1)
if [[ "${#mainPyFile[@]}" -gt 1 ]]; then
printf "%s\n" "We found ${#mainPyFile[@]} main.py files. Only one allowed." "main.py file locations:"
while read -r file; do
printf "%s\n" "$file"
done <<< ${mainPyFile[@]}
exit 1
elif [[ "${#mainPyFile[@]}" -eq 1 ]]; then
workPath=${mainPyFile[0]}
fi
}
# Running the file
run() {
case $usePython in
2) running="python"
;;
3) running="python3"
;;
*) printf "%s\n" "How the bloody hell did you fuck this up right here?" "Error in function run"
exit 1
;;
esac
if (( $interactiveMode )); then
running="$running -i"
fi
running="$running $workPath"
case $sameTerminal in
0) ### running="$useTerminal\"$running\"'"
### $running
printf "%s\n" "The -s option is broken at the moment and might be fixed to a later point" "Might be not fixed at all and simply removed due to me finding http://mywiki.wooledge.org/BashFAQ/050." "Might be turned into different functions for the most common terminals."
exit 1
;;
1) $running
;;
esac
}
# Script #
while (( $# )); do
attr=$1
if [[ "$attr" == "-"* ]]; then
while read -n1 char; do
case $char in
-|" "|"") continue
;;
t) switch "thisFile"
thisFile=$?
;;
i) switch "interactiveMode"
interactiveMode=$?
;;
2) switch "usePython2"
usePython2=$?
;;
3) switch "usePython3"
usePython3=$?
;;
s) switch "sameTerminal"
sameTerminal=$?
;;
h) showUsage
exit 0
;;
*) printf "%s\n" "" "Unknown Attribute: $char"
showUsage
exit 1
;;
esac
done <<< $attr
elif [[ "$attr" == "/"*".py" ]] || [[ "$attr" == "./"*".py" ]]; then
workPath="$attr"
echo $workPath
fi
shift
done
# Check for Python Version
if [[ "$usePython2" -eq 1 ]] && [[ "$usePython3" -eq 1 ]]; then
printf "%s\n" "You cannot use Python2 and Python3 simultaneously. Either use the -2 or the -3 option"
showUsage
exit 1
elif [[ "$usePython2" -eq 1 ]]; then
usePython=2
elif [[ "$usePython3" -eq 1 ]]; then
usePython=3
fi
# Check for if workPath is provided
if [[ "$workPath" == "" ]]; then
printf "%s\n" "No Python file found. Please make sure your python file is provided to the application and your python file has the suffix .py." "The easiest way of providing a the file and file path is by giving the % option while editing the file via vim (intended use of this script)"
exit 1
fi
# Parse for the main.py file if the -t option is not given
# It is assumed that the main.py file is in the same or the parent directory. Sibling or sub directories
# will be ignored
if [[ "$thisFile" -eq 0 ]]; then
parseMainFile
fi
run
exit 0
