python-form

This package provides a mechanism to embed FORM¹²³ programs in Python code. The basic idea of the implementation is the same as FormLink⁴: it utilizes unnamed pipes between FORM and an external program⁵, Python in this case. It is expected to work on Unix-like systems.

Installation

$ pip install python-form

or directly from GitHub for the latest development version:

$ pip install git+https://github.com/tueda/python-form.git

See also the documentation for pip install.

Example

import form

with form.open() as f:
    f.write('''
        AutoDeclare Vector p;
        Local F = g_(0,p1,...,p6);
        trace4,0;
        .sort
    ''')
    print(f.read('F'))

Documentation

• Package Documentation
• CHANGELOG

Licence

python-form is distributed under the MIT licence. See the LICENCE file.

Note that FORM itself adopts the GPL version 3. A program/package using FORM via python-form could be considered as an aggregate (at your own risk) or a combined work affected by the GPL.

References

---

1. J.A.M. Vermaseren, New features of FORM, arXiv:math-ph/0010025.↩

2. J. Kuipers, T. Ueda, J.A.M. Vermaseren and J. Vollinga, FORM version 4.0, Comput.Phys.Commun. 184 (2013) 1453-1467, arXiv:1203.6543 [cs.SC].↩

3. https://github.com/vermaseren/form↩

4. Feng Feng and Rolf Mertig, FormLink/FeynCalcFormLink : Embedding FORM in Mathematica and FeynCalc, arXiv:1212.3522 [hep-ph].↩

5. M. Tentyukov and J.A.M. Vermaseren, Extension of the functionality of the symbolic program FORM by external software, Comput.Phys.Commun. 176 (2007) 385-405, arXiv:cs/0604052.↩