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python3 version of mol2chemfig

Project description

mol2chemfigPy3

Current version 1.4.2 (transferred from mol2chemfig v1.4).

This is NOT an official version of mol2chemfig for python 3.

There are always too few free tools for chemistry, while mol2chemfig is a good one of them. But it was written in python2. Nowadays, who are still using py2? LOL

Simply applying 2to3 to it doesn't work, alas.

mol2chemfigPy3 is a simple translation from py2 to py3 based on old mol2chemfig version 1.4 (well, 27/03/2014, more than 7 years ago🤐mol2chemfig (uwaterloo.ca)), and it, of course, has bugs.

Install

build from source

  • first install indigo

    $ pip install epam.indigo
    
  • then run

    $ python setup.py bdist_wheel
    $ python setup.py install
    

If you prefer installing from wheel, you can download here.

install from PyPi

Downloads

$ pip install mol2chemfigPy3

Usage

Use in command line

Run, for example:

$ mol2chemfig -zw -i direct "C1=CC=C(C=C1)O"

it will give you \chemfig{OH-[:180,,1]=_[:240]-[:180]=_[:120]-[:60]=_(-[:300])}

Run, for another example:

$ mol2chemfig -zw -i direct "C1=CC=C(C=C1)O" > phenol-smi-terse.tex

it will write result to file phenol-smi-terse.tex

Run, for again another example:

$ mol2chemfig -zw -i pubchem 99

it will give you

\chemfig{O=[:137.9]P(-[:47.9]O-[:107.9,0.62]H)(-[:137.9]O-[:197.9,0.62]H)%
-[:227.9]O-[:287.9](-[:44.9,0.62]H)-[:233.9](-[:179.9]O-[:119.9,0.62]H)(%
-[:116.9,0.62]H)-[:305.9](-[:251.9]N-[:197.8,0.994]=^[:150]N-[:210](%
-[:150,0.62]H)=^[:270]N-[:330](=^[:30](-[:90])-[:342.1,0.994]N%
=^[:54.1,0.994](-[,0.62]H)-[:126,0.994]\phantom{N})-[:270]N(-[:330,0.62]H)%
-[:210,0.62]H)(-[:314.9,0.62]H)-[:17.9]O-[:89.9](-[:161.9])(-[:332.9,0.62]H%
)-[:35.9](-[:55.9,0.62]H)(-[:135.9,0.62]H)-[:335.9]O-[:35.9]P(-[:305.9]O%
-[:245.9,0.62]H)(=[:125.9]O)-[:35.9]O-[:335.9]P(-[:65.9]O-[:125.9,0.62]H)(%
=[:245.9]O)-[:335.9]O-[:35.9](-[:55.9,0.62]H)(-[:135.9,0.62]H)-[:335.9](%
-[:65.9](-[:65.9,0.62]H)(-[:155.9,0.62]H)-[:335.9,0.62]H)(-[:245.9](%
-[:245.9,0.62]H)(-[:335.9,0.62]H)-[:155.9,0.62]H)-[:335.9](-[:275.9]O%
-[:335.9,0.62]H)(-[:215.9,0.62]H)-[:35.9](=[:95.9]O)-[:335.9]N(%
-[:275.9,0.62]H)-[:35.9](-[:55.9,0.62]H)(-[:135.9,0.62]H)-[:335.9](%
-[:235.9,0.62]H)(-[:315.9,0.62]H)-[:35.9](=[:95.9]O)-[:335.9]N(%
-[:275.9,0.62]H)-[:35.9](-[:55.9,0.62]H)(-[:135.9,0.62]H)-[:335.9](%
-[:235.9,0.62]H)(-[:315.9,0.62]H)-[:35.9]S-[:335.9](=[:275.9]O)-[:35.9](%
-[:95.9,0.62]H)=[:335.9](-[:35.9](-[:35.9,0.62]H)(-[:125.9,0.62]H)%
-[:305.9,0.62]H)-[:275.9](-[:185.9,0.62]H)(-[:275.9,0.62]H)-[:5.9,0.62]H}

(it's Coenzyme A, S-(3-methyl-2-butenoate) by the way 😜)

Use as a python package (new add in to this python 3 version)

This is not included in the old Py2 version of mol2chemfig.

e. g.

from mol2chemfigPy3 import mol2chemfig

mol2chemfig('996')  # search the PubChem database

mol2chemfig('C1=CC=C(C=C1)O')  # transfer InChI/SMILES to chemfig

mol2chemfig('.\methanol.smi')  # from a file

Document

See official document mol2chemfig-doc.pdf (uwaterloo.ca)

Known issue(s)

  • direct using output file from mol2chemfig doesn't work. Copy the content to your own LaTeX files

License

MIT license

Project details


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