This is a pre-production deployment of Warehouse, however changes made here WILL affect the production instance of PyPI.
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Project Description

What is Cameo?

Cameo is a high-level python library developed to aid the strain design process in metabolic engineering projects. The library provides a modular framework of simulation methods, strain design methods, access to models, that targets developers that want custom analysis workflows.

Computationally heavy methods have been parallelized and can be run on a clusters using the IPython parallelization framework (see example and documentation for more details). The default fallback is python’s multiprocessing library.

Furthermore, it exposes a high-level API to users that just want to compute promising strain designs.

You got curious? Head over to try.cameo.bio and give it a try.

Installation

Use pip to install Cameo from PyPI (we recommend doing this inside a virtual environment).

pip install cameo

We highly recommend updating pip beforehand (pip install pip --upgrade).

In case you downloaded the source code, run

pip install -e .  # recommended

while you are in the top level directory. You might need to run these commands with administrative privileges if you’re not using a virtual environment (using sudo for example).

Examples

A number of examples are available as static (nbviewer.ipython.org) or executable Jupyter (née IPython) notebooks (try.cameo.bio).

High-level API (for users)

Compute strain engineering strategies for a desired product in a number of host organisms using the high-level interface.

from cameo.api import design
design(product='L-Serine')

Output

Low-level API (for developers)

Find gene knockout targets using evolutionary computation.

from cameo import models
from cameo.strain_design.heuristic import GeneKnockoutOptimization
from cameo.strain_design.heuristic.objective_functions import biomass_product_coupled_yield

model = models.bigg.e_coli_core
obj = biomass_product_coupled_yield(
    model.reactions.Biomass_Ecoli_core_w_GAM,
    model.reactions.EX_succ_e,
    model.reactions.EX_glc_e)
ko = GeneKnockoutOptimization(model=model, objective_function=obj)
ko.run(max_evaluations=50000, n=1, mutation_rate=0.15, indel_rate=0.185)

Output

Predict heterologous pathways for a desired chemical.

from cameo.strain_design import pathway_prediction
predictor = pathway_prediction.PathwayPredictor(model)
pathways = predictor.run(product="vanillin")

Output

Dependencies

This library depends on:

  • cobrapy for constraint-based modeling
  • optlang for heuristic optimization and mathematical programming

Furthermore, the following dependencies are needed:

  • numpy and scipy for obvious reasons.
  • IPython is needed for parallel computations and notebook interface.
  • bokeh is needed for reporting progress and plotting in the IPython notebook interface.
  • pandas is needed because most functions returns results as pandas DataFrames.
  • inspyred for evolutionary computations.

Contributions

..are very welcome! Please read the guideline for instructions how to contribute.

Release History

Release History

0.8.0

This version

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0.8.0b1

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0.7.1

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0.7.0

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0.7.0b2

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0.7.0b1

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0.6.4

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0.6.3

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0.6.2

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0.6.1

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0.6.0

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0.5.2

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0.5.1

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0.5.0

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0.4.9

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0.4.7

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0.4.6

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0.4.5

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0.4.4

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0.4.3

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Download Files

Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
cameo-0.8.0-py2.py3-none-any.whl (24.7 MB) Copy SHA256 Checksum SHA256 py2.py3 Wheel Dec 5, 2016
cameo-0.8.0.tar.gz (26.6 MB) Copy SHA256 Checksum SHA256 Source Dec 5, 2016

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