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maloja/malojatime.py

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import datetime
from calendar import monthrange
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from os.path import commonprefix
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FIRST_SCROBBLE = int(datetime.datetime.utcnow().replace(tzinfo=datetime.timezone.utc).timestamp())
def register_scrobbletime(timestamp):
global FIRST_SCROBBLE
if timestamp < FIRST_SCROBBLE:
FIRST_SCROBBLE = int(timestamp)
def start_of_scrobbling():
global FIRST_SCROBBLE
f = datetime.datetime.utcfromtimestamp(FIRST_SCROBBLE)
return [f.year]
def end_of_scrobbling():
global FIRST_SCROBBLE
f = datetime.datetime.now()
return [f.year]
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def uri_to_internal(t):
return time_fix(t)
def internal_to_uri(t):
if isinstance(t,list) or isinstance(t,tuple):
return "/".join(str(t))
return str(t)
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# converts strings and stuff to lists
def time_fix(t):
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if isinstance(t, str):
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tod = datetime.datetime.utcnow()
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months = ["january","february","march","april","may","june","july","august","september","october","november","december"]
weekdays = ["sunday","monday","tuesday","wednesday","thursday","friday","saturday"]
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if t.lower() in ["today","day"]:
t = [tod.year,tod.month,tod.day]
elif t.lower() == "month":
t = [tod.year,tod.month]
elif t.lower() == "year":
t = [tod.year]
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elif t.lower() in months:
#diff = (tod.month - months.index(t.lower()) - 1)
month = months.index(t.lower()) + 1
t = [tod.year,month]
if month > tod.month: t[0] -= 1
elif t.lower() in weekdays:
weekday = weekdays.index(t.lower())
diff = (tod.isoweekday() - weekday) % 7
dt = tod - datetime.timedelta(diff)
t = [dt.year,dt.month,dt.day]
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if isinstance(t,str): t = t.split("/")
#if isinstance(t,tuple): t = list(t)
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t = [int(p) for p in t]
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return t[:3]
# makes times the same precision level
def time_pad(f,t,full=False):
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f,t = time_fix(f), time_fix(t)
while (len(f) < len(t)) or (full and len(f) < 3):
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if len(f) == 1: f.append(1)
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elif len(f) == 2: f.append(1)
while (len(f) > len(t)) or (full and len(t) < 3):
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if len(t) == 1: t.append(12)
elif len(t) == 2: t.append(monthrange(*t)[1])
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return (f,t)
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def time_desc(t,short=False):
if isinstance(t,int):
if short:
now = datetime.datetime.now(tz=datetime.timezone.utc)
difference = int(now.timestamp() - t)
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if difference < 10: return "just now"
if difference < 60: return str(difference) + " seconds ago"
difference = int(difference/60)
if difference < 60: return str(difference) + " minutes ago" if difference>1 else str(difference) + " minute ago"
difference = int(difference/60)
if difference < 24: return str(difference) + " hours ago" if difference>1 else str(difference) + " hour ago"
difference = int(difference/24)
timeobject = datetime.datetime.utcfromtimestamp(t)
if difference < 5: return timeobject.strftime("%A")
if difference < 31: return str(difference) + " days ago" if difference>1 else str(difference) + " day ago"
#if difference < 300 and tim.year == now.year: return tim.strftime("%B")
#if difference < 300: return tim.strftime("%B %Y")
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return timeobject.strftime("%d. %B %Y")
else:
timeobject = datetime.datetime.utcfromtimestamp(t)
return timeobject.strftime("%d. %b %Y %I:%M %p")
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else:
t = time_fix(t)
date = [1970,1,1]
date[:len(t)] = t
timeobject = datetime.datetime(date[0],date[1],date[2],tzinfo=datetime.timezone.utc)
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nowdate = [1970,1,1]
nowobject = datetime.datetime.now(tz=datetime.timezone.utc)
nowdate[:len(t)] = [nowobject.year, nowobject.month, nowobject.day][:len(t)]
nowobject = datetime.datetime(nowdate[0],nowdate[1],nowdate[2],tzinfo=datetime.timezone.utc)
if short:
if len(t) == 3:
diff = (nowobject - timeobject).days
if diff == 0: return "Today"
if diff == 1: return "Yesterday"
if diff < 7: return timeobject.strftime("%A")
#elif len(t) == 2:
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if len(t) == 3: return timeobject.strftime("%d. %B %Y")
if len(t) == 2: return timeobject.strftime("%B %Y")
if len(t) == 1: return timeobject.strftime("%Y")
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def range_desc(since=None,to=None,within=None,short=False):
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# the 'short' var we pass down to some of the time_desc calls is a different one than the one here
# the function-wide one indicates whether we want the 'in' 'from' etc at the start
# the other one is if we want exact dates or weekdays etc
# but we still hand it down because it makes sense
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if within is not None:
since = within
to = within
if since is None:
sincestr = ""
if to is None:
tostr = ""
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if isinstance(since,int) and to is None:
sincestr = "since " + time_desc(since)
shortsincestr = sincestr
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elif isinstance(to,int) and since is None:
tostr = "up until " + time_desc(to)
elif isinstance(since,int) and not isinstance(to,int):
sincestr = "from " + time_desc(since)
shortsincestr = time_desc(since)
tostr = "to the end of " + time_desc(to)
elif isinstance(to,int) and not isinstance(since,int):
sincestr = "from the start of " + time_desc(since)
shortsincestr = time_desc(since)
tostr = "to " + time_desc(to)
# if isinstance(since,int) and isinstance(to,int): result = "from " + time_desc(since) + " to " + time_desc(to)
# elif isinstance(since,int): result = "from " + time_desc(since) + " to the end of " + time_desc(to)
# elif isinstance(to,int): result = "from the start of " + time_desc(since) + " to " + time_desc(to)
else:
if since is not None and to is not None:
since,to = time_pad(since,to)
if since == to:
if len(since) == 3:
sincestr = "on " + time_desc(since)
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else:
sincestr = "in " + time_desc(since)
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shortsincestr = time_desc(since,short=True)
tostr = ""
elif _week(since,to):
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sincestr = "in " + _week(since,to)
shortsincestr = _week(since,to)
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tostr = ""
else:
fparts = time_desc(since).split(" ")
tparts = time_desc(to).split(" ")
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fparts.reverse()
tparts.reverse()
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fparts = fparts[len(commonprefix([fparts,tparts])):]
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fparts.reverse()
tparts.reverse()
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sincestr = "from " + " ".join(fparts)
shortsincestr = " ".join(fparts)
tostr = "to " + " ".join(tparts)
else:
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if since is not None:
sincestr = "since " + time_desc(since)
shortsincestr = sincestr
if to is not None:
tostr = "up until " + time_desc(to)
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if short: return shortsincestr + " " + tostr
else: return sincestr + " " + tostr
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def time_stamps(since=None,to=None,within=None):
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if within is not None:
since = within
to = within
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if (since==None): stamp1 = FIRST_SCROBBLE
else:
since = time_fix(since)
date = [1970,1,1]
date[:len(since)] = since
stamp1 = int(datetime.datetime(date[0],date[1],date[2],tzinfo=datetime.timezone.utc).timestamp())
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if (to==None): stamp2 = int(datetime.datetime.utcnow().replace(tzinfo=datetime.timezone.utc).timestamp())
else:
to = time_fix(to)
to = _get_next(to)
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date = [1970,1,1]
date[:len(to)] = to
stamp2 = int(datetime.datetime(date[0],date[1],date[2],tzinfo=datetime.timezone.utc).timestamp())
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return (stamp1,stamp2)
def delimit_desc(step="month",stepn=1,trail=1):
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txt = ""
if stepn is not 1: txt += _num(stepn) + "-"
txt += {"year":"Yearly","month":"Monthly","day":"Daily"}[step.lower()]
#if trail is not 1: txt += " " + _num(trail) + "-Trailing"
if trail is not 1: txt += " Trailing" #we don't need all the info in the title
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return txt
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def _week(since,to):
if len(since) != 3 or len(to) != 3: return False
dt_since, dt_to = datetime.datetime(*since,tzinfo=datetime.timezone.utc), datetime.datetime(*to,tzinfo=datetime.timezone.utc)
if (dt_to - dt_since).days != 6: return False
if dt_since.weekday() != 6: return False
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c = dt_to.isocalendar()[:2]
return str("Week " + str(c[1]) + " " + str(c[0]))
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def _num(i):
names = ["Zero","One","Two","Three","Four","Five","Six","Seven","Eight","Nine","Ten","Eleven","Twelve"]
if i < len(names): return names[i]
else: return str(i)
def ranges(since=None,to=None,within=None,step="month",stepn=1,trail=1,max_=None):
(firstincluded,lastincluded) = time_stamps(since=since,to=to,within=within)
d_start = _get_start_of(firstincluded,step)
d_end = _get_start_of(lastincluded,step)
d_start = _get_next(d_start,step,stepn) # first range should end right after the first active scrobbling week / month / whatever relevant step
d_start = _get_next(d_start,step,stepn * trail * -1) # go one range back to begin
i = 0
d_current = d_start
while not _is_past(d_current,d_end) and (max_ is None or i < max_):
d_current_end = _get_end(d_current,step,stepn * trail)
yield (d_current,d_current_end)
d_current = _get_next(d_current,step,stepn)
i += 1
def _get_start_of(timestamp,unit):
date = datetime.datetime.utcfromtimestamp(timestamp)
if unit == "year":
#return [date.year,1,1]
return [date.year]
elif unit == "month":
#return [date.year,date.month,1]
return [date.year,date.month]
elif unit == "day":
return [date.year,date.month,date.day]
elif unit == "week":
change = (date.weekday() + 1) % 7
d = datetime.timedelta(days=change)
newdate = date - d
return [newdate.year,newdate.month,newdate.day]
def _get_next(time,unit="auto",step=1):
result = time[:]
if unit == "auto":
# see how long the list is, increment by the last specified unit
unit = [None,"year","month","day"][len(time)]
#while len(time) < 3:
# time.append(1)
if unit == "year":
#return [time[0] + step,time[1],time[2]]
result[0] += step
return result
elif unit == "month":
#result = [time[0],time[1] + step,time[2]]
result[1] += step
while result[1] > 12:
result[1] -= 12
result[0] += 1
while result[1] < 1:
result[1] += 12
result[0] -= 1
return result
elif unit == "day":
dt = datetime.datetime(time[0],time[1],time[2])
d = datetime.timedelta(days=step)
newdate = dt + d
return [newdate.year,newdate.month,newdate.day]
#eugh
elif unit == "week":
return _get_next(time,"day",step * 7)
# like _get_next(), but gets the last INCLUDED day / month whatever
def _get_end(time,unit="auto",step=1):
if step == 1:
if unit == "auto": return time[:]
if unit == "year" and len(time) == 1: return time[:]
if unit == "month" and len(time) == 2: return time[:]
if unit == "day" and len(time) == 3: return time[:]
exc = _get_next(time,unit,step)
inc = _get_next(exc,"auto",-1)
return inc
def _is_past(date,limit):
date_, limit_ = date[:], limit[:]
while len(date_) != 3: date_.append(1)
while len(limit_) != 3: limit_.append(1)
if not date_[0] == limit_[0]:
return date_[0] > limit_[0]
if not date_[1] == limit_[1]:
return date_[1] > limit_[1]
return (date_[2] > limit_[2])