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#5314 Prevent ZeroDivisionError in exif.py

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This commit is contained in:
Christopher Allan Webber 2015-04-27 17:26:59 -05:00
parent ab62a7c0d2
commit fd4ddeb14e
1 changed files with 8 additions and 3 deletions
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11
mediagoblin/tools/exif.py
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@ -142,6 +142,11 @@ def get_gps_data(tags):
""" """
Processes EXIF data returned by EXIF.py Processes EXIF data returned by EXIF.py
""" """
def safe_gps_ratio_divide(ratio):
if ratio.den == 0:
return 0.0
return float(ratio.num) / float(ratio.den)
gps_data = {} gps_data = {}
if not 'Image GPSInfo' in tags: if not 'Image GPSInfo' in tags:
@ -155,9 +160,9 @@ def get_gps_data(tags):
for key, dat in six.iteritems(dms_data): for key, dat in six.iteritems(dms_data):
gps_data[key] = ( gps_data[key] = (
lambda v: lambda v:
float(v[0].num) / float(v[0].den) \ safe_gps_ratio_divide(v[0]) \
+ (float(v[1].num) / float(v[1].den) / 60) \ + (safe_gps_ratio_divide(v[1]) / 60) \
+ (float(v[2].num) / float(v[2].den) / (60 * 60)) + (safe_gps_ratio_divide(v[2]) / (60 * 60))
)(dat.values) )(dat.values)
if tags['GPS GPSLatitudeRef'].values == 'S': if tags['GPS GPSLatitudeRef'].values == 'S':