bmc/backend.py

83 lines
2.3 KiB
Python

#!/usr/bin/env python2
# coding=utf8
import os
import tools
import params
from bibtexparser.bparser import BibTexParser
from bibtexparser.customization import homogeneize_latex_encoding
from bibtexparser.bwriter import bibtex as bibTexWriter
def parsed2Bibtex(parsed):
"""Convert a single bibtex entry dict to bibtex string"""
bibtex = '@'+parsed['type']+'{'+parsed['id']+",\n"
for field in [i for i in sorted(parsed) if i not in ['type', 'id']]:
bibtex += "\t"+field+"={"+parsed[field]+"},\n"
bibtex += "}\n"
return bibtex
def bibtexAppend(data):
"""Append data to the main bibtex file
data is a dict for one entry in bibtex, as the one from bibtexparser output
"""
with open(params.folder+'index.bib', 'a') as fh:
fh.write(parsed2Bibtex(data)+"\n")
def bibtexRewrite(data):
"""Rewrite the bibtex index file.
data is a dict of bibtex entry dict.
"""
bibtex = ''
for entry in data.keys():
bibtex += parsed2Bibtex(data[entry])+"\n"
with open(params.folder+'index.bib', 'w') as fh:
fh.write(bibtex)
def deleteId(ident):
"""Delete a file based on its id in the bibtex file"""
with open(params.folder+'index.bib', 'r') as fh:
bibtex = BibTexParser(fh.read(),
customization=homogeneize_latex_encoding)
bibtex = bibtex.get_entry_dict()
if ident not in bibtex.keys():
return False
try:
os.remove(bibtex[ident]['file'])
except:
tools.warning("Unable to delete file associated to id "+ident+" : " +
bibtex[ident]['file'])
del(bibtex[ident])
bibtexRewrite(bibtex)
return True
def deleteFile(filename):
"""Delete a file based on its filename"""
with open(params.folder+'index.bib', 'r') as fh:
bibtex = BibTexParser(fh.read(),
customization=homogeneize_latex_encoding)
bibtex = bibtex.get_entry_dict()
found = False
for key in bibtex.keys():
if bibtex[key]['file'] == filename:
found = True
try:
os.remove(bibtex[key]['file'])
except:
tools.warning("Unable to delete file associated to id " +
key+" : "+bibtex[key]['file'])
del(bibtex[key])
if found:
bibtexRewrite(bibtex)
return found