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Optimisation lors du traitement des tags : gain x10 en temps d'exécution

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Antoine Van Elstraete
2019-05-19 23:31:38 +02:00
parent 2dce5901e3
commit 5ba702d324
1 changed files with 15 additions and 9 deletions
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20
exv.py
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@@ -78,15 +78,21 @@ def extractor(input_files, start, end, recursive, extensions):
if not isfile(input_file): if not isfile(input_file):
raise ValueError("{} doesn't exist here.".format(input_file)) raise ValueError("{} doesn't exist here.".format(input_file))
exif_dict.update({'file': input_file}) exif_dict.update({'file': input_file})
for extracted in usefull_exif: cmd = ["exiv2", "-Ptk", input_file]
cmd = ["exiv2", "-g", extracted, "-Pt", input_file]
with Popen(cmd, stdout=PIPE) as extracted_data: with Popen(cmd, stdout=PIPE) as extracted_data:
extracted_data = extracted_data.stdout.read().decode() extracted_data = extracted_data.stdout.read().decode()
if extracted_data: for line in extracted_data.splitlines():
extracted_data = extracted_data.splitlines()[0] for exif in usefull_exif:
exif_dict.update({extracted.split(".")[-1]: extracted_data}) if exif in line.split()[0]:
else: exif_dict.update(
exif_dict.update({extracted.split(".")[-1]: None}) {
line.split()[0].split(".")[-1]:
" ".join(line.split()[1:])
}
)
for exif in usefull_exif:
if exif.split(".")[-1] not in exif_dict:
exif_dict.update({exif.split(".")[-1]: None})
if exif_dict['FocalLength']: if exif_dict['FocalLength']:
exif_dict['FocalLength'] = float( exif_dict['FocalLength'] = float(
exif_dict['FocalLength'].replace(" mm", "")) exif_dict['FocalLength'].replace(" mm", ""))