def create_thumbnail(exercise, tempdir):
"""Crée la vignette de l'exercice"""
outfile = exercise.thumb()
logging.info("Compilation de l'exercice.")
random.seed(0)
creation(parametres_exo(exercise, tempdir))
logging.info("Extraction de la vignette.")
call([
"convert",
"-density",
"288",
os.path.join(tempdir, "thumb.pdf"),
"-resize",
"25%",
"-crop",
"710x560+0+85",
"-flatten",
"-trim",
os.path.join(tempdir, "thumb.png"),
])
logging.info("Appel de `pngnq` sur la vignette.")
call([
"pngnq",
"-f",
"-s1",
"-n32",
os.path.join(tempdir, "thumb.png"),
])
shutil.copyfile(os.path.join(tempdir, "thumb-nq8.png"), outfile)
logging.info("Optimisation de la vignette.")
call(args=["optipng", "-o7", outfile])
def _thumb(exercise, outfile=None):
''' Create a thumbnail for this 'exercise'. '''
if outfile is None:
outfile = os.path.join(os.path.dirname(exercise.thumb), 'tmp', os.path.basename(exercise.thumb))
print outfile
# create pdf
_param['liste_exos'] = [exercise()]
creation(_param)
# extract optimized thumbnail
call(["convert", "-density", "288", "/tmp/thumb.pdf",
"-resize", "25%", "-crop", "710x560+0+85",
"-flatten", "-trim", "/tmp/thumb.png"],
stdout=log)
call(["pngnq", "-f", "-s1", "-n32", "/tmp/thumb.png"], stdout=log)
log.write(outfile)
shutil.copyfile( "/tmp/thumb-nq8.png", outfile)
call(args=["optipng", "-o7", outfile])
md5check(exercise, os.path.dirname(exercise.thumb))
"openpdf": 0,
}
if len(sys.argv) == 4:
os.rmdir(dt)
lst = []
for j in range(int(sys.argv[3])):
print("Test n° %03d" % (j + 1))
lst.append(LESFICHES[int(sys.argv[1])][2][int(sys.argv[2])]())
parametres["liste_exos"] = lst
# dt = tempfile.mkdtemp(prefix='pyromaths_tests-', dir='/tmp')
dt = "/tmp"
parametres["chemin_fichier"] = "/tmp"
parametres["fiche_exo"] = os.path.join(dt, "exercices.tex")
parametres["fiche_cor"] = os.path.join(dt, "exercices-corrige.tex")
creation(parametres)
# nettoyage(dt)
elif len(sys.argv) == 1:
os.rmdir(dt)
for j in range(100):
print("Test n° %03d" % (j + 1))
dt = tempfile.mkdtemp(prefix="pyromaths_tests-", dir="/tmp")
parametres["chemin_fichier"] = dt
parametres["fiche_exo"] = os.path.join(dt, "exercices.tex")
parametres["fiche_cor"] = os.path.join(dt, "exercices-corrige.tex")
lst = []
for n in range(len(LESFICHES)):
for exo in LESFICHES[n][2]:
lst.append(exo())
parametres["liste_exos"] = lst
def main():
"""Fonction principale."""
creation(PARAMETRES)
logging.info("Le modèle de document est disponible dans le fichier `exercices.tex`.")