Include module for desktop build

2012-09-09 17:29:09 +02:00
parent 89426d75ab
commit 36f653f65b
88 changed files with 9967 additions and 1 deletions
@@ -0,0 +1,72 @@
+# ISO-8601:
+# http://www.cl.cam.ac.uk/~mgk25/iso-time.html
+
+import calendar, datetime, re, time
+
+def iso_utc_date(now=None, t=time.time):
+    if now is None:
+        now = t()
+    return datetime.datetime.utcfromtimestamp(now).isoformat()[:10]
+
+def iso_utc(now=None, sep=' ', t=time.time, suffix='Z'):
+    if now is None:
+        now = t()
+    return datetime.datetime.utcfromtimestamp(now).isoformat(sep)+suffix
+
+def iso_local(now=None, sep=' ', t=time.time):
+    if now is None:
+        now = t()
+    return datetime.datetime.fromtimestamp(now).isoformat(sep)
+
+def iso_utc_time_to_seconds(isotime, _conversion_re=re.compile(r"(?P<year>\d{4})-(?P<month>\d{2})-(?P<day>\d{2})[T_ ](?P<hour>\d{2}):(?P<minute>\d{2}):(?P<second>\d{2})(?P<subsecond>\.\d+)?Z?")):
+    """
+    The inverse of iso_utc().
+
+    Real ISO-8601 is "2003-01-08T06:30:59Z".  We also accept
+    "2003-01-08 06:30:59Z" as suggested by RFC 3339.  We also accept
+    "2003-01-08_06:30:59Z".  We also accept the trailing 'Z' to be omitted.
+    """
+    m = _conversion_re.match(isotime)
+    if not m:
+        raise ValueError, (isotime, "not a complete ISO8601 timestamp")
+
+    year, month, day = int(m.group('year')), int(m.group('month')), int(m.group('day'))
+    hour, minute, second = int(m.group('hour')), int(m.group('minute')), int(m.group('second'))
+    subsecstr = m.group('subsecond')
+    if subsecstr:
+        subsecfloat = float(subsecstr)
+    else:
+        subsecfloat = 0
+
+    return calendar.timegm( (year, month, day, hour, minute, second, 0, 1, 0) ) + subsecfloat
+
+def parse_duration(s):
+    orig = s
+    unit = None
+    DAY = 24*60*60
+    MONTH = 31*DAY
+    YEAR = 365*DAY
+    if s.endswith("s"):
+        s = s[:-1]
+    if s.endswith("day"):
+        unit = DAY
+        s = s[:-len("day")]
+    elif s.endswith("month"):
+        unit = MONTH
+        s = s[:-len("month")]
+    elif s.endswith("mo"):
+        unit = MONTH
+        s = s[:-len("mo")]
+    elif s.endswith("year"):
+        unit = YEAR
+        s = s[:-len("YEAR")]
+    else:
+        raise ValueError("no unit (like day, month, or year) in '%s'" % orig)
+    s = s.strip()
+    return int(s) * unit
+
+def parse_date(s):
+    # return seconds-since-epoch for the UTC midnight that starts the given
+    # day
+    return int(iso_utc_time_to_seconds(s + "T00:00:00"))
+