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Annotation de séquences bactériennes
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Pacome Riobe
Annotation de séquences bactériennes
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c38dc9b0
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c38dc9b0
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2 months ago
by
Pacome Riobe
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Premier jet pour le parser et le tableau
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import gffutils
import pandas as pd
import os
def gff_a_html(gff_file, output_html):
"""
Analyse un fichier GFF et génère un tableau HTML avec les informations des gènes extraites
Parameters:
- gff_file (str): chemin de ou est enregistré le fichier GFF
- output_html (str): chemin de ou on veux que le fichier HTML s'enregistre
Returns:
- rien mais enregistre un fichier HTML avec un tableau de donnée la ou on lui a demandé
"""
# base de données temporaire du fichier
db = gffutils.create_db(gff_file, dbfn=":memory:", force=True, keep_order=True, merge_strategy="create_unique", sort_attribute_values=True)
# memory : pour pas stocker sur disque (RAM)
#force = true : recrée base si elle existe déja
#merge_strategy="create_unique" : pour que les valeurs fusionnée reste unique
#sort_attribute_values=True : tri valeurs
data = [] # Liste stock infos
# éléments GFF
for feature in db.all_features(): #all_feature() est une methode des gffutils
entry = {
"Feature Type": feature.featuretype,
"ID": feature.id,
"Start": feature.start,
"End": feature.end,
"Strand": feature.strand,
"Locus ID": feature.attributes.get("locus_tag", ["N/A"])[0],
"Parent": feature.attributes.get("Parent", ["None"])[0],
"Gene Product": feature.attributes.get("product", ["Unknown"])[0],
}
data.append(entry)
# TABLEAU :
df = pd.DataFrame(data, columns=["ID", "Start", "End", "Locus ID", "Gene Product"])
# fichier HTML
df.to_html(output_html, index=False)
print(f"HTML table generated: {output_html}")
if __name__ == "__main__":
gff_file = "/Users/claramoreno/PycharmProjects/PythonProjectPaster/exemple.gff.py"
output_html = "/Users/claramoreno/PycharmProjects/PythonProjectPaster/output.html"
print(gff_a_html(gff_file,output_html))
\ No newline at end of file
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