markovchain

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Overview

Markov chain generator

Requirements

Python 3

Installation

pip install markovchain

pip install markovchain[image]

git clone https://github.com/dead-beef/markovchain
cd markovchain
pip install -e .[dev]

Building

./build.sh

Testing

./test

Module usage

Module documentation

Examples

Text

from markovchain import JsonStorage
from markovchain.text import MarkovText, ReplyMode

markov = MarkovText()

with open('data.txt') as fp:
    markov.data(fp.read())

with open('data2.txt') as fp:
    for line in fp:
        markov.data(line, part=True)
markov.data('', part=False)

print(markov())
print(markov(max_length=16, reply_to='sentence start', reply_mode=ReplyMode.END))

markov.save('markov.json')

markov = MarkovText.from_file('markov.json')

Image

from PIL import Image
from markovchain import JsonStorage
from markovchain.image import MarkovImage

markov = MarkovImage()

markov.data(Image.open('input.png'))

width = 32
height = 16
img = markov(width, height)
with open('output.png', 'wb') as fp:
    img.save(fp)

markov.save('markov.json')

markov = MarkovImage.from_file('markov.json')

CLI usage

> markovchain -h
usage: markovchain [-h] [-v] {text,image} ...

positional arguments:
  {text,image}

optional arguments:
  -h, --help     show this help message and exit
  -v, --version  show program's version number and exit

Data types

File name	File type	Storage class
None (stdout)	JSON	JsonStorage
*.json	JSON	JsonStorage
*.json.bz2	bzip2 compressed JSON	JsonStorage
Other	SQLite 3 database	SqliteStorage

Examples

Text

markovchain text create --output text.db input1.txt input2.txt
markovchain text update text.db input3.txt input4.txt
markovchain text generate text.db
markovchain text generate --count 16 --start 'sentence start' text.db

Image

markovchain image create --progress --output img.db img1.png img2.png
markovchain image update --progress img.db img3.png img4.png
markovchain image generate --progress --size 64 64 --count 4 img.db img%02d.png
markovchain image filter --progress img.png output.png

Settings

Text
Image

Text

> markovchain text -h
usage: markovchain text [-h] {create,update,settings,generate} ...

positional arguments:
  {create,update,settings,generate}

optional arguments:
  -h, --help            show this help message and exit

create

> markovchain text create -h
usage: markovchain text create [-h] [-P] [-s SETTINGS] [-o OUTPUT]
                               [input [input ...]]

positional arguments:
  input                 input file (default: stdin)

optional arguments:
  -h, --help            show this help message and exit
  -P, --progress        show progress bar
  -s SETTINGS, --settings SETTINGS
                        settings json file
  -o OUTPUT, --output OUTPUT
                        output file (default: stdout)

update

> markovchain text update -h
usage: markovchain text update [-h] [-P] [-s SETTINGS] [-o OUTPUT]
                               state [input [input ...]]

positional arguments:
  state                 state file
  input                 input file (default: stdin)

optional arguments:
  -h, --help            show this help message and exit
  -P, --progress        show progress bar
  -s SETTINGS, --settings SETTINGS
                        settings json file
  -o OUTPUT, --output OUTPUT
                        output file (default: rewrite state file)

generate

> markovchain text generate -h
usage: markovchain text generate [-h] [-P] [-nf]
                                 [-s SETTINGS] [-ss STATE_SIZE]
                                 [-S START] [-E END] [-R REPLY]
                                 [-w WORDS] [-c COUNT] [-o OUTPUT]
                                 state

positional arguments:
  state                 state file

optional arguments:
  -h, --help            show this help message and exit
  -P, --progress        show progress bar
  -nf, --no-format      do not format text
  -s SETTINGS, --settings SETTINGS
                        settings json file
  -ss STATE_SIZE, --state-size STATE_SIZE
                        generator state size
  -S START, --start START
                        text start
  -E END, --end END     text end
  -R REPLY, --reply REPLY
                        reply to text
  -w WORDS, --words WORDS
                        max text size (default: 256)
  -c COUNT, --count COUNT
                        number of generated texts (default: 1)
  -o OUTPUT, --output OUTPUT
                    output file (default: stdout)

settings

> markovchain text settings -h
usage: markovchain text settings [-h] state

positional arguments:
  state       state file

optional arguments:
  -h, --help  show this help message and exit

Image

> markovchain image -h
usage: markovchain image [-h]
                         {create,update,settings,generate,filter} ...

positional arguments:
  {create,update,settings,generate,filter}

optional arguments:
  -h, --help            show this help message and exit

create

> markovchain image create -h
usage: markovchain image create [-h] [-P] [-s SETTINGS] [-o OUTPUT]
                                [input [input ...]]

positional arguments:
  input                 input file

optional arguments:
  -h, --help            show this help message and exit
  -P, --progress        show progress bar
  -s SETTINGS, --settings SETTINGS
                        settings json file
  -o OUTPUT, --output OUTPUT
                        output file (default: stdout)

update

> markovchain image update -h
usage: markovchain image update [-h] [-P] [-s SETTINGS] [-o OUTPUT]
                                state [input [input ...]]

positional arguments:
  state                 state file
  input                 input file

optional arguments:
  -h, --help            show this help message and exit
  -P, --progress        show progress bar
  -s SETTINGS, --settings SETTINGS
                        settings json file
  -o OUTPUT, --output OUTPUT
                        output file (default: rewrite state file)

generate

> markovchain image generate -h
usage: markovchain image generate [-h] [-P] [-s SETTINGS]
                                  [-ss STATE_SIZE [STATE_SIZE ...]]
                                  [-S WIDTH HEIGHT] [-l LEVEL] [-c COUNT]
                                  state output

positional arguments:
  state                 state file
  output                output file name format string

optional arguments:
  -h, --help            show this help message and exit
  -P, --progress        show progress bar
  -s SETTINGS, --settings SETTINGS
                        settings json file
  -ss STATE_SIZE [STATE_SIZE ...], --state-size STATE_SIZE [STATE_SIZE ...]
                        generator state sizes
  -S WIDTH HEIGHT, --size WIDTH HEIGHT
                        image size (default: <scanner.resize>)
  -l LEVEL, --level LEVEL
                        image levels (default: <scanner.levels>)
  -c COUNT, --count COUNT
                        generated image count (default: 1)

filter

> markovchain image filter -h
usage: markovchain image filter [-h] [-P] [-t {json,sqlite}] [-s SETTINGS]
                                [-S STATE] [-ss STATE_SIZE [STATE_SIZE ...]]
                                [-l LEVEL] [-c COUNT]
                                input output

positional arguments:
  input                 input image
  output                output file name format string

optional arguments:
  -h, --help            show this help message and exit
  -P, --progress        show progress bar
  -t {json,sqlite}, --type {json,sqlite}
                        generator type (default: json)
  -s SETTINGS, --settings SETTINGS
                        settings json file
  -S STATE, --state STATE
                        state file
  -ss STATE_SIZE [STATE_SIZE ...], --state-size STATE_SIZE [STATE_SIZE ...]
                        generator state sizes
  -l LEVEL, --level LEVEL
                        filter start level (default: 1)
  -c COUNT, --count COUNT
                        generated image count (default: 1)

settings

> markovchain image settings -h
usage: markovchain image settings [-h] state

positional arguments:
  state       state file

optional arguments:
  -h, --help  show this help message and exit

Licenses

markovchain

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Release history Release notifications | RSS feed

This release

0.2.6

Apr 29, 2022

0.2.5

Jun 7, 2019

0.2.4

May 16, 2019

0.2.3

Dec 30, 2018

0.2.2

Jun 28, 2018

0.2.1

Jun 13, 2018

0.2.0

Apr 29, 2018

0.1.2

Oct 25, 2017

0.1.1

Oct 20, 2017

0.1.0

Oct 19, 2017

markovchain 0.2.6

Overview

Requirements

Installation

Building

Testing

Module usage

Examples

Text

Image

CLI usage

Data types

Examples

Text

Image

Settings

Text

create

update

generate

settings

Image

create

update

generate

filter

settings

Licenses

Project links

Key dates

1 maintainer

Credits

License

Requires

Tags

Classifiers

Download files

Source Distribution

Built Distribution

File details

File metadata

File hashes

File details

File metadata

File hashes

Release history Release notifications | RSS feed