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-rw-r--r--src/pyexiv2.py78
1 files changed, 78 insertions, 0 deletions
diff --git a/src/pyexiv2.py b/src/pyexiv2.py
index 129b854..e4eae75 100644
--- a/src/pyexiv2.py
+++ b/src/pyexiv2.py
@@ -69,6 +69,82 @@ import time
import datetime
import re
+class FixedOffset(datetime.tzinfo):
+
+ """
+ Fixed offset from a local time east from UTC.
+
+ Represent a fixed (positive or negative) offset from a local time in hours
+ and minutes.
+
+ Public methods:
+ utcoffset -- return offset of local time from UTC, in minutes east of UTC
+ dst -- return the daylight saving time (DST) adjustment, here always 0
+ tzname -- return a string representation of the offset with format '±%H%M'
+ """
+
+ def __init__(self, offsetSign='+', offsetHours=0, offsetMinutes=0):
+ """
+ Constructor.
+
+ Construct a FixedOffset object from an offset sign ('+' or '-') and an
+ offset absolute value expressed in hours and minutes.
+ No check on the validity of those values is performed, it is the
+ responsibility of the caller to pass correct values to the constructor.
+
+ Keyword arguments:
+ offsetSign -- the sign of the offset ('+' or '-')
+ offsetHours -- the absolute number of hours of the offset
+ offsetMinutes -- the absolute number of minutes of the offset
+ """
+ self.offsetSign = offsetSign
+ self.offsetHours = offsetHours
+ self.offsetMinutes = offsetMinutes
+
+ def utcoffset(self, dt):
+ """
+ Return offset of local time from UTC, in minutes east of UTC.
+
+ Return offset of local time from UTC, in minutes east of UTC.
+ If local time is west of UTC, this should be negative.
+ The value returned is a datetime.timedelta object specifying a whole
+ number of minutes in the range -1439 to 1439 inclusive.
+
+ Keyword arguments:
+ dt -- the datetime.time object representing the local time
+ """
+ totalOffsetMinutes = self.offsetHours * 60 + self.offsetMinutes
+ if self.offsetSign == '-':
+ totalOffsetMinutes = -totalOffsetMinutes
+ return datetime.timedelta(minutes = totalOffsetMinutes)
+
+ def dst(self, dt):
+ """
+ Return the daylight saving time (DST) adjustment.
+
+ Return the daylight saving time (DST) adjustment.
+ In this implementation, it is always nil, and the method return
+ datetime.timedelta(0).
+
+ Keyword arguments:
+ dt -- the datetime.time object representing the local time
+ """
+ return datetime.timedelta(0)
+
+ def tzname(self, dt):
+ """
+ Return a string representation of the offset.
+
+ Return a string representation of the offset with format '±%H%M'.
+
+ Keyword arguments:
+ dt -- the datetime.time object representing the local time
+ """
+ string = self.offsetSign
+ string = string + ('%02d' % self.offsetHours)
+ string = string + ('%02d' % self.offsetMinutes)
+ return string
+
def UndefinedToString(undefined):
"""
Convert an undefined string into its corresponding sequence of bytes.
@@ -220,6 +296,8 @@ class Image(libpyexiv2.Image):
Public methods:
getExifTagValue -- get the value associated to a key in EXIF metadata
setExifTagValue -- set the value associated to a key in EXIF metadata
+ getIptcTagValue -- get the value associated to a key in IPTC metadata
+ setIptcTagValue -- set the value associated to a key in IPTC metadata
"""
def getExifTagValue(self, key):