Download inkscape and all its dependancies into your current folder, and create a portable wrapper entry point.

inkscape-grabber.py

import os
import subprocess

def sh(*params, strip=True):
    
    p = subprocess.Popen(params,
                        stdout=subprocess.PIPE,
                        stderr=subprocess.PIPE,
                        universal_newlines=True)
    
    outstr, errstr = p.communicate()
    retstr = outstr + errstr
    
    if strip:
        return retstr.strip()
    else:
        return retstr

def single_sep(path):
    N = -1
    while(N!=len(path)):
        N = len(path)
        path = path.replace('//', '/')
        
    return path

def get_linkdirs():
    linkdirs = []
    for line in sh('ld', '--verbose').split('SEARCH')[1:]:
        linkdir = line.split('"')[1].split('"')[0]
        if linkdir[:1] == '=':
            linkdir = linkdir[1:]
            
    return linkdirs

_linkdirs = get_linkdirs()
def get_so_path(f):
    for searchpth in _linkdirs:
        if os.path.isfile(searchpth+'/'+f):
            return(searchpth+'/'+f)

inkbin = sh('which', 'inkscape')
inkhome = os.path.split(inkbin)[0]



lines = set()

libfiles = set([inkbin])
donezo = set()
N = -1
while(N != len(libfiles)):
    N = len(libfiles)
    
    for file in libfiles.difference(donezo):
        donezo.add(file)
        try:
            for line in sh('ldd', file).split('\n'):
                
                fnext = None
                for i in line.split():
                    if os.path.isfile(i):
                        fnext = i
                        break
                        
                if not fnext:
                    fnext = get_so_path(
                        line.split('.so')[0].split()[-1].split('/')[-1]+'.so'
                    )
                    
                    
                if fnext:
                    libfiles.add(single_sep(fnext))
                
        except Exception as e:
            print(e)
            
print('\n'.join(lines))
            
os.makedirs('files', exist_ok=True)
linkerpaths = set()
for file in libfiles:
    print(file)
    try:
        linkpath = single_sep('./'+os.path.split(file)[0])
        linkerpaths.add(linkpath)
        
        os.makedirs(linkpath, exist_ok=True)    
        sh('cp', file, './'+file)
        
    except Exception as e:
        print(e)
        
import os
for path in sh('dpkg', '-L', 'inkscape').split('\n'):
    if os.path.isfile(path):
        if not os.path.isfile('./'+path):
            os.makedirs(os.path.split('./'+path)[0], exist_ok=True)  
            sh('cp', path, './'+path)
    else:
        pass
        
from textwrap import dedent

lpathtxt = ':'.join(['$DIR/'+i[2:] for i in linkerpaths])
binpathtxt = '$DIR/'+inkbin

binwrap_template = dedent(r'''

    #!/bin/bash
    #--------------------------------------------------
    # I might be a symlink, so here is my root dwelling
    #--------------------------------------------------

    #From https://stackoverflow.com/a/246128
    SOURCE="${BASH_SOURCE[0]}"
    while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
      DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
      SOURCE="$(readlink "$SOURCE")"
      # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
      [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" 
    done
    DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"

    #--------------------------------------------------
    # Hey linker, also look here for .so files
    #--------------------------------------------------

    #From https://stackoverflow.com/a/37558191
    export LD_LIBRARY_PATH=%s:$LD_LIBRARY_PATH

    #--------------------------------------------------
    # Finally, hey Linux, run this binary please
    #--------------------------------------------------

    "%s" "$@"
    
    ''').strip()%(lpathtxt,
                  binpathtxt)

open(os.path.split(binpathtxt)[-1], 'w').write(binwrap_template)
sh('chmod', '+x', os.path.split(binpathtxt)[-1])