Move to python --> Handles workspaces named with space ....

.config/i3/bin/slide_workspace

+#!/bin/bash
+
+if [ ! -d ~/.config/i3/venv ]; then
+    python3 -m virtualenv ~/.config/i3/venv;
+    pip3 install -m ~/.config/i3/requirements.txt;
+fi
+
+
+source ~/.config/i3/venv/bin/activate && python3 ~/.config/i3/bin/slide_workspace.py $@

.config/i3/bin/slide_workspace.py

+#!/usr/bin/env python3
+
+# Slide current workspace to the right on i3-bar
+
+import i3ipc
+from argparse import ArgumentParser
+import logging
+import colorlog
+
+logger = logging.getLogger()
+
+
+def output_workspace_mapping(i3):
+    """
+    Take a connection to i3 socket in input and
+    Return a dictionnary where:
+        - keys are the different output names (=Display Screens)
+        - values are the names of the workspaces on this output.
+    """
+    workspaces = i3.get_workspaces()
+    d = {}
+    for w in workspaces:
+        output = w.output
+        ow = d.get(output, [])
+        ow.append(w.name)
+        d[output] = ow
+    return d
+
+
+def get_output_from_workspace(i3, workspace):
+    """
+    Return the name of the output of which the workspace belongs.
+    """
+    owmap = output_workspace_mapping(i3)
+    for o, ws in owmap.items():
+        if workspace in ws:
+            logger.info("[get_output_from_workspace]")
+            logger.info(f"  ⤷ Workspace \"{workspace}\" "
+                        f"is on output \"{o}\"")
+            return o
+
+
+def get_workspace_from_name(i3, name):
+    """
+    Return the first workspace object of given name.
+    """
+    workspaces = i3.get_workspaces()
+    return list(filter(lambda w: w.name == name, workspaces))[0]
+
+
+def swap_workspaces(i3, w1, w2):
+    w1 = get_workspace_from_name(i3, w1)
+    w2 = get_workspace_from_name(i3, w2)
+    if w1.name == w2.name:
+        logger.debug("[swap_workspaces]: Nothing to do.")
+        return
+    try:
+        num1, name1 = w1.name.split(":")
+    except ValueError:
+        num1, name1 = w1.num, w1.name
+    try:
+        num2, name2 = w2.name.split(":")
+    except ValueError:
+        num2, name2 = w2.num, w2.name
+    logger.info("[swap_workspaces]")
+    logger.info(f"⤷ i3-msg 'rename workspace "
+                f"\"{w1.name}\" to \"{num2}:{name1}\"'")
+    answers = i3.command(f'rename workspace "{w1.name}" to "{num2}:{name1}"')
+    for ans in answers:
+        if ans.error:
+            logger.critical(f"Error in [swap_workspace]: {ans.error}")
+    logger.info("[swap_workspaces]")
+    logger.info(f"⤷ i3-msg 'rename workspace "
+                f"\"{w2.name}\" to \"{num1}:{name2}\"")
+    answers = i3.command(f'rename workspace "{w2.name}" to "{num1}:{name2}"')
+    for ans in answers:
+        if ans.error:
+            logger.critical(f"Error in [swap_workspace]: {ans.error}")
+
+
+def slide_workspace(i3, workspace, output, direction):
+    """
+    Slide the workspace to the specified direction (Left or Right)
+    on given output. Workspace MUST be on given output.
+    """
+    owmap = output_workspace_mapping(i3)
+    workspaces = owmap.get(output)
+    pos = workspaces.index(workspace)
+    if direction == "right" and pos != len(workspaces) - 1:
+        logger.debug(f"Slide workspace \"{workspace}\" to the right.")
+        nextworkspace = workspaces[pos + 1]
+    elif direction == "left" and pos != 0:
+        logger.debug(f"Slide workspace \"{workspace}\" to the left.")
+        nextworkspace = workspaces[pos - 1]
+    else:
+        nextworkspace = workspaces[pos]
+    swap_workspaces(i3, workspace, nextworkspace)
+
+
+def main(direction):
+    i3 = i3ipc.Connection()
+    focused = i3.get_tree().find_focused()
+    current_workspace = focused.workspace().name
+    current_output = get_output_from_workspace(i3, current_workspace)
+    slide_workspace(i3, current_workspace, current_output, direction)
+
+
+if __name__ == "__main__":
+    format_string = "%(asctime)s - %(levelname)s - %(message)s"
+    stdout_handler = logging.StreamHandler()
+    stdout_formatter = colorlog.ColoredFormatter(
+        "%(log_color)s{}".format(format_string))
+    stdout_handler.setFormatter(stdout_formatter)
+    logger.addHandler(stdout_handler)
+
+    parser = ArgumentParser()
+    parser.add_argument("direction", help="Left or Right.")
+    parser.add_argument("-v", "--verbose",
+                        help="Verbose mode.",
+                        action="store_true")
+    args = parser.parse_args()
+
+    if args.verbose:
+        logger.setLevel(logging.DEBUG)
+
+    direction = args.direction.lower()
+    main(direction)

.config/i3/bin/slide_workspace_left.sh

-#!/bin/sh
-
-# Slide current workspace to the right on i3-bar
-
-
-curworkspace=$(i3-msg -t get_outputs | jq | grep 'current_workspace' | awk '{split($0,a,": "); print a[2]}' | head -n 1)
-prevworkspace=$(i3-msg -t get_workspaces | jq | grep name | grep $curworkspace -C 1 | cut -d , -f 1 | awk '{split($0,a,": "); print a[2]}' | head -n 1)
-
-# current workspace
-curnumber=$(echo $curworkspace | cut -d : -f 1 | cut -d \" -f 2);
-curname=$(echo $curworkspace | cut -d : -f 2 | cut -d \" -f 1);
-
-# prev workspace
-prevnumber=$(echo $prevworkspace | cut -d : -f 1 | cut -d \" -f 2);
-prevname=$(echo $prevworkspace | cut -d : -f 2 | cut -d \" -f 1);
-
-# swap workspaces
-i3-msg rename workspace $prevworkspace to $curnumber:$prevname;
-i3-msg rename workspace $curworkspace to $prevnumber:$curname;

.config/i3/bin/slide_workspace_right.sh

-#!/bin/sh
-
-# Slide current workspace to the right on i3-bar
-
-
-curworkspace=$(i3-msg -t get_outputs | jq | grep 'current_workspace' | awk '{split($0,a,": "); print a[2]}' | head -n 1)
-nextworkspace=$(i3-msg -t get_workspaces | jq | grep name | grep $curworkspace -C 1 | cut -d , -f 1 | awk '{split($0,a,": "); print a[2]}' | tail -n 1)
-
-# current workspace
-curnumber=$(echo $curworkspace | cut -d : -f 1 | cut -d \" -f 2);
-curname=$(echo $curworkspace | cut -d : -f 2 | cut -d \" -f 1);
-
-# next workspace
-nextnumber=$(echo $nextworkspace | cut -d : -f 1 | cut -d \" -f 2);
-nextname=$(echo $nextworkspace | cut -d : -f 2 | cut -d \" -f 1);
-
-# swap workspaces
-i3-msg rename workspace $nextworkspace to $curnumber:$nextname;
-i3-msg rename workspace $curworkspace to $nextnumber:$curname;