diff --git a/.bashrc b/.bashrc
new file mode 100644
index 000000000..e3e9b075e
--- /dev/null
+++ b/.bashrc
@@ -0,0 +1,2 @@
+
+conda activate pddl-generators
diff --git a/.gitignore b/.gitignore
index 022dce92e..52257da16 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,10 @@
 *.o
+**/__pycache__/
 Makefile.depend
 .tox/
+*~
+#*
+*.egg-info
 assembly/assembly
 blocksworld/3ops/2pddl/2pddl
 blocksworld/4ops/2pddl/2pddl
diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 000000000..2c222da6b
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1,49 @@
+include pddl_generators/**/*.pddl
+include pddl_generators/*/README*
+include pddl_generators/assembly/assembly
+include pddl_generators/__blocksworld/3ops/2pddl/2pddl
+include pddl_generators/__blocksworld/4ops/2pddl/2pddl
+include pddl_generators/__blocksworld/bwstates.1/bwstates
+include pddl_generators/__blocksworld/matching/2pddl-typed
+include pddl_generators/__blocksworld/matching/2pddl-untyped
+include pddl_generators/briefcaseworld/briefcaseworld
+include pddl_generators/depots/depots
+include pddl_generators/driverlog/dlgen
+include pddl_generators/elevators/generate_data
+include pddl_generators/elevators/generate_pddl
+include pddl_generators/ferry/ferry
+include pddl_generators/freecell/freecell
+include pddl_generators/fridge/fridge
+include pddl_generators/goldminer/gold-miner-generator
+include pddl_generators/grid/grid
+include pddl_generators/gripper/gripper
+include pddl_generators/grippers/grippers
+include pddl_generators/hanoi/hanoi
+include pddl_generators/logistics/logistics
+include pddl_generators/maintenance/maintenance
+include pddl_generators/miconic/miconic
+include pddl_generators/miconic-fulladl/miconic
+include pddl_generators/miconic-simpleadl/miconic
+include pddl_generators/movie/movie
+include pddl_generators/mprime/mprime
+include pddl_generators/mystery/mystery
+include pddl_generators/nomystery/nomystery
+include pddl_generators/npuzzle/n-puzzle-generator
+include pddl_generators/openstacks/generate_pddl
+include pddl_generators/openstacks/generate_problems
+include pddl_generators/pathways/pathways
+include pddl_generators/rovers/rovgen
+include pddl_generators/satellite/satgen
+include pddl_generators/schedule/schedule
+include pddl_generators/storage/storage
+include pddl_generators/sokoban/random/sokoban-generator-typed
+include pddl_generators/sokoban/random/sokoban-generator-untyped
+include pddl_generators/tidybot/tidybot.jar
+include pddl_generators/tpp/tpp
+include pddl_generators/trucks/trucks
+include pddl_generators/trucks/adl2strips/ff
+include pddl_generators/tsp/tsp
+include pddl_generators/turnandopen/turnandopen
+include pddl_generators/tyreworld/tyreworld
+include pddl_generators/visitall/grid
+include pddl_generators/zenotravel/ztravel
diff --git a/copy-template.sh b/copy-template.sh
new file mode 100755
index 000000000..2ef2a373f
--- /dev/null
+++ b/copy-template.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+domain=$1
+
+cp pddl_generators/__template/* -t pddl_generators/$domain/
+echo pddl_generators/$domain/__init__.py
diff --git a/demo.sh b/demo.sh
new file mode 100755
index 000000000..29d3a555a
--- /dev/null
+++ b/demo.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+
+pddl-generators -h | less
+
+pddl-generators --helpall | less
+
+pddl-generators blocksworld-3ops -- -h | less
+
+pddl-generators --seed 42 blocksworld-4ops -- 5
+pddl-generators --seed 42 blocksworld-4ops -- 5
+pddl-generators --seed 44 blocksworld-4ops -- 5
+pddl-generators --seed 44 blocksworld-4ops -- 5
+pddl-generators --seed 42 blocksworld-4ops -- 6
+pddl-generators --seed 42 blocksworld-4ops -- 6
+
+
+
+pddl-generators visitall -- 5 5 0.5
+
+pddl-generators --output-directory result   visitall -- 5 5 0.5
+pddl-generators --output $HOME/problem.pddl visitall -- 5 5 0.5
+pddl-generators --output problem.pddl       visitall -- 5 5 0.5
+
+
+
+pddl-generators pathways -- -h
+pddl-generators pathways -- 12 1 3
+pddl-generators --seed 33 pathways -- 12 1 3
diff --git a/environment.yml b/environment.yml
new file mode 100644
index 000000000..35c98701d
--- /dev/null
+++ b/environment.yml
@@ -0,0 +1,6 @@
+name: pddl-generators
+dependencies:
+  - python=3.9
+  - pip
+  - pip:
+      - -e .
diff --git a/pddl_generators/Makefile b/pddl_generators/Makefile
new file mode 100644
index 000000000..b0f5c4ec2
--- /dev/null
+++ b/pddl_generators/Makefile
@@ -0,0 +1,4 @@
+
+
+all:
+	for d in */ ; do cmake -S $$d -B $$d ; $(MAKE) -C $$d ; done
diff --git a/pddl_generators/__init__.py b/pddl_generators/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/pddl_generators/__main__.py b/pddl_generators/__main__.py
new file mode 100644
index 000000000..345e320c1
--- /dev/null
+++ b/pddl_generators/__main__.py
@@ -0,0 +1,5 @@
+
+from . import main
+
+main.main()
+
diff --git a/pddl_generators/__template/__init__.py b/pddl_generators/__template/__init__.py
new file mode 100644
index 000000000..c4311e43a
--- /dev/null
+++ b/pddl_generators/__template/__init__.py
@@ -0,0 +1,54 @@
+
+
+# Each module M must implement following attributes:
+#
+# 1. M.main : A main function which takes two argparser.Namespace instances, args and
+#    args2. args is largely irrelevant except args.seed , which was
+#    supplied by the command line argument.
+#
+# 2. M.parser : A parser , which parses the "rest" arguments that are specific to each domain.
+#
+# 3. M.domain_file : An absolute pathname to the domain pddl file, or None when the domain file is produced.
+
+
+
+
+
+
+
+
+import os.path
+import argparse
+from pddl_generators.main import run
+import pathlib
+
+def rel(path): return os.path.join(os.path.dirname(__file__), path)
+
+
+
+domain_file = rel("domain.pddl")
+
+
+parser = argparse.ArgumentParser(
+    # choose either one which suits the best
+    formatter_class = argparse.ArgumentDefaultsHelpFormatter,
+    formatter_class = argparse.RawDescriptionHelpFormatter,
+    # use this to fill it manually
+    description = "",
+    # use this to read an existing README file
+    description = pathlib.Path(rel("README")).read_text(),
+    description = pathlib.Path(rel("README.txt")).read_text(),
+)
+
+
+parser.add_argument("", type=int, help="the number of ")
+
+
+def main(args : argparse.Namespace, args2 : argparse.Namespace):
+
+    with open(args.output, mode="w") as f:
+        run(args,list(map(str,[rel(PROGRAM), args.seed, args.output, *args.rest])),
+            stdout=f)
+
+    pass
+
diff --git a/pddl_generators/main.py b/pddl_generators/main.py
new file mode 100644
index 000000000..d1c709091
--- /dev/null
+++ b/pddl_generators/main.py
@@ -0,0 +1,140 @@
+
+import os
+import os.path
+import glob
+import argparse
+import textwrap
+
+
+
+
+
+parser = argparse.ArgumentParser(
+    formatter_class = argparse.RawTextHelpFormatter,
+    description =
+    textwrap.fill(
+        "Generates a problem file for a given domain and a set of hyperparameters. "
+        "Depending on the domain, it also produces a domain file (e.g., ADL domain compiled to strips). "
+        "In the default behavior, it generates the file(s) to a specified location, then print "
+        "the absolute pathname of the problem file and the domain file in two separate lines. "
+        "The second line (the domain file) can be a file generated by the generator, "
+        "or a fixed pddl file that is shared by problems. "
+        "When --output STDOUT is given, the output is printed to the standard output (see options for --output). ", 100)
+)
+
+
+parser.add_argument("domain",
+                    metavar="domain",
+                    nargs="?",  # note: for --help and --helpall to work
+                    choices=domains,
+                    help="domain name, one of: \n" + textwrap.fill(", ".join(domains), 100))
+
+parser.add_argument("--output-directory","-d",
+                    default="output",
+                    metavar="DIRNAME",
+                    help=
+                    "Directory to store the generated files. \n"
+                    "If the directory does not exist, it creates it first (including the parents). \n"
+                    )
+
+parser.add_argument("--output","-o",
+                    metavar="FILENAME1",
+                    help=
+                    "If given, override the default name handling for problem file generation. \n"
+                    "If the pathname is absolute, it is used as it is; DIRNAME is ignored. \n"
+                    "If the pathname is relative, it is seen as a path relative to DIRNAME. \n"
+                    "\n"
+                    "If not given, the file is stored under DIRNAME and as {hash}.pddl , where \n"
+                    "{hash} is a md5 hash of the parameters given to each generator. \n"
+                    "\n"
+                    "If the generator also generates a compiled domain file, it is written to a file with \n"
+                    "a suffix {basename}-domain.pddl where {basename} is the basename of the problem file. \n"
+                    "You can override this behavior with --output-domain. \n"
+                    "\n"
+                    "If the argument is STDOUT, it writes to the standard output. \n"
+                    "If the argument is STDOUT for a domain that also generates a domain file, two outputs are \n"
+                    "separated by a separator specified by --separator option. \n"
+                    "\n"
+                    "In all cases, the output contains a meta-information of how the generator was called \n"
+                    "in a form of Lisp-style comment with each line starting with ;; . \n"
+                    "The format mimicks File-Local Variable of Emacs \n"
+                    "(see https://www.gnu.org/software/emacs/manual/html_node/emacs/Specifying-File-Variables.html). \n"
+                    "\n"
+                    "It contains several fields: \n"
+                    "The first line contains 'pddl-generators:'. \n"
+                    "'command:' field contains the exact command line used to run the generator, \n"
+                    "'dict:' field which contains a dictionary which was parsed from the command line, and \n"
+                    "'date:' field contains the date of creation. \n"
+                    "The last line contains 'end:'. \n"
+                    )
+
+parser.add_argument("--output-domain",
+                    metavar="FILENAME2",
+                    help=
+                    "If given, override the default name handling for domain file generation. \n"
+                    "If the pathname is absolute, it is used as it is; DIRNAME is ignored. \n"
+                    "If the pathname is relative, it is seen as a path relative to DIRNAME. \n"
+                    "\n"
+                    "If missing and the generator generates a new domain file for each problem instance, \n"
+                    "the filename defaults to {basename}-domain.pddl \n"
+                    "where {basename} is the basename of FILENAME1. \n"
+                    "\n"
+                    "If missing and the domain comes with a shared domain file, \n"
+                    "the value is set to the path of the domain file inside pddl-generator source tree \n"
+                    "(likely under site-packages/). \n"
+                    "\n"
+                    "Finally, if given while the domain comes with a shared domain file, \n"
+                    "it copies the domain file to the specified location. \n"
+                    )
+
+parser.add_argument("--separator",
+                    default=";; domain file",
+                    help=
+                    "See --output. When the generator produces both a problem and a domain file, \n"
+                    "and if the --output is specified as STDOUT, two files are concatenated with \n"
+                    "a line containing the string specified by this option. ")
+
+parser.add_argument("--seed","-s",
+                    type=int,
+                    default=42,
+                    help="Random seed.")
+
+parser.add_argument("--helpall",
+                    action="store_true",
+                    help="Generate help messages for all domains.")
+
+parser.add_argument("--list","-l",
+                    action="store_true",
+                    help="List available domains.")
+
+parser.add_argument("--debug",
+                    action="store_true",
+                    help="Enable a more verbose debugging mode.")
+
+# parser.add_argument("--remove-trivial",
+#                     action="store_true",
+#                     help="Remove an instance whose initial state already satisfies its goal condition.\n"
+#                     " NOT IMPLEMENTED YET, work in progress.")
+#
+# parser.add_argument("--remove-cost",
+#                     action="store_true",
+#                     help="Remove action cost from the generated instances.\n"
+#                     " Also from the domain, if it generates a domain compiled from ADL.\n"
+#                     " NOT IMPLEMENTED YET, work in progress.")
+#
+# parser.add_argument("--remove-delete",
+#                     action="store_true",
+#                     help="Remove delete effects from the domain, if it generates a domain compiled from ADL.\n"
+#                     " NOT IMPLEMENTED YET, work in progress.")
+
+
+parser.add_argument("rest",
+                    nargs="*",
+                    help="Remaining command line arguments for each domain.")
+
+
+def main(args):
+    pass
+
+
+
diff --git a/setup.py b/setup.py
new file mode 100644
index 000000000..03a2468f2
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,27 @@
+#! /bin/env python3
+
+
+import subprocess
+
+print("building all PDDL generator binaries ...")
+subprocess.run(["make", "-C", "pddl_generators"])
+
+
+from setuptools import setup, find_packages
+
+
+setup(name='pddl-generators',
+      version='1.0',
+      description='An unofficial collection of PDDL generators, '
+      'some of which have been used to generate benchmarks for '
+      'the International Planning Competitions (IPC).',
+      author='Jendrik Seipp',
+      author_email='jendrikseipp@gmail.com',
+      url='https://github.com/AI-Planning/pddl-generators',
+      # note: the hyphen in the "package name" is converted to underscore here
+      entry_points={"console_scripts":["pddl-generators = pddl_generators.main:main"]},
+      packages=find_packages(),
+      install_requires=["z3","numpy"],
+      include_package_data=True,
+      )
+