module EtOrbi
Constants
- VERSION
- ZONE_ALIASES
Attributes
_os_zone[RW]
Public Class Methods
_make_info()
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For `make info`
# File lib/et-orbi.rb, line 207 def _make_info puts render_nozone_time(Time.now.to_f) puts platform_info end
determine_local_tzone()
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# File lib/et-orbi.rb, line 678 def determine_local_tzone etz = ENV['TZ'] tz = etz && (::TZInfo::Timezone.get(etz) rescue nil) return tz if tz if Time.respond_to?(:zone) && Time.zone.respond_to?(:tzinfo) tz = Time.zone.tzinfo return tz if tz end tz = ::TZInfo::Timezone.get(os_tz) rescue nil return tz if tz tzs = determine_local_tzones tz = (etz && tzs.find { |z| z.name == etz }) || tzs.first return tz if tz n = Time.now get_tzone(n.zone) || get_tzone(n.strftime('%Z%z')) end
find_olson_zone(str)
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# File lib/et-orbi.rb, line 672 def find_olson_zone(str) list_olson_zones(str).each { |s| z = get_tzone(s); return z if z } nil end
get_tzone(o)
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# File lib/et-orbi.rb, line 144 def get_tzone(o) return o if o.is_a?(::TZInfo::Timezone) return nil if o == nil return determine_local_tzone if o == :local return ::TZInfo::Timezone.get('Zulu') if o == 'Z' return o.tzinfo if o.respond_to?(:tzinfo) o = to_offset(o) if o.is_a?(Numeric) return nil unless o.is_a?(String) s = unalias(o) get_offset_tzone(s) || (::TZInfo::Timezone.get(s) rescue nil) end
list_iso8601_zones(s)
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en.wikipedia.org/wiki/ISO_8601 Postel's law applies
# File lib/et-orbi.rb, line 644 def list_iso8601_zones(s) s.scan( %r{ (?<=:\d\d) \s* (?: [-+] (?:[0-1][0-9]|2[0-4]) (?:(?::)?(?:[0-5][0-9]|60))? (?![-+]) | Z ) }x ).collect(&:strip) end
list_olson_zones(s)
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# File lib/et-orbi.rb, line 662 def list_olson_zones(s) s.scan( %r{ (?<=\s|\A) (?:[A-Za-z][A-Za-z0-9+_-]+) (?:\/(?:[A-Za-z][A-Za-z0-9+_-]+)){0,2} }x) end
make_from_array(a, zone)
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# File lib/et-orbi.rb, line 120 def make_from_array(a, zone) t = Time.utc(*a) s = t.strftime("%Y-%m-%d %H:%M:%S.#{'%06d' % t.usec}") make_from_string(s, zone) end
make_from_date(d, zone)
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# File lib/et-orbi.rb, line 111 def make_from_date(d, zone) make_from_time( d.respond_to?(:to_time) ? d.to_time : Time.parse(d.strftime('%Y-%m-%d %H:%M:%S')), zone) end
make_from_eotime(eot, zone)
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# File lib/et-orbi.rb, line 138 def make_from_eotime(eot, zone) return eot if zone == nil || zone == eot.zone EoTime.new(eot.to_f, zone) end
make_from_numeric(f, zone)
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# File lib/et-orbi.rb, line 133 def make_from_numeric(f, zone) EoTime.new(Time.now.to_f + f, zone) end
make_from_string(s, zone)
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# File lib/et-orbi.rb, line 128 def make_from_string(s, zone) parse(s, zone: zone) end
make_from_time(t, zone)
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# File lib/et-orbi.rb, line 96 def make_from_time(t, zone) z = zone || get_as_tzone(t) || get_tzone(t.zone) || get_local_tzone(t) z ||= t.zone # pass the abbreviation anyway, # it will be used in resulting the error message EoTime.new(t, z) end
make_time(*a)
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# File lib/et-orbi.rb, line 74 def make_time(*a) #p [ :mt, a ] zone = a.length > 1 ? get_tzone(a.last) : nil a.pop if zone #p [ :mt, zone ] o = a.length > 1 ? a : a.first #p [ :mt, :o, o ] case o when Time then make_from_time(o, zone) when Date then make_from_date(o, zone) when Array then make_from_array(o, zone) when String then make_from_string(o, zone) when Numeric then make_from_numeric(o, zone) when ::EtOrbi::EoTime then make_from_eotime(o, zone) else fail ArgumentError.new( "Cannot turn #{o.inspect} to a ::EtOrbi::EoTime instance") end end
Also aliased as: make
now(zone=nil)
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# File lib/et-orbi.rb, line 19 def now(zone=nil) EoTime.new(Time.now.to_f, zone) end
os_tz()
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# File lib/et-orbi.rb, line 705 def os_tz return (@_os_zone == '' ? nil : @_os_zone) if defined?(@_os_zone) && @_os_zone @os_tz ||= (debian_tz || centos_tz || osx_tz) end
parse(str, opts={})
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# File lib/et-orbi.rb, line 24 def parse(str, opts={}) if defined?(::Chronic) && t = ::Chronic.parse(str, opts) return EoTime.new(t, nil) end #rold = RUBY_VERSION < '1.9.0' #rold = RUBY_VERSION < '2.0.0' begin DateTime.parse(str) rescue fail ArgumentError, "No time information in #{str.inspect}" end #if rold # # is necessary since Time.parse('xxx') in Ruby < 1.9 yields `now` str_zone = get_tzone(list_iso8601_zones(str).last) #p [ :parse, str, str_zone ] #p ENV['TZ'] #p [ :parse, :oz, opts[:zone] ] #p [ :parse, :sz, str_zone ] #p [ :parse, :foz, find_olson_zone(str) ] #p [ :parse, :ltz, local_tzone ] zone = opts[:zone] || str_zone || find_olson_zone(str) || determine_local_tzone #p [ :parse, :zone, zone ] str = str.sub(zone.name, '') unless zone.name.match(/\A[-+]/) # # for 'Sun Nov 18 16:01:00 Asia/Singapore 2012', # although where does rufus-scheduler have it from? local = Time.parse(str) #p [ :parse, :local, local, local.zone ] secs = if str_zone local.to_f else zone.local_to_utc(local).to_f end #p [ :parse, :secs, secs ] EoTime.new(secs, zone) end
platform_info()
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# File lib/et-orbi.rb, line 177 def platform_info etos = Proc.new { |k, v| "#{k}:#{v.inspect}" } h = { 'etz' => ENV['TZ'], 'tnz' => Time.now.zone, 'tzid' => defined?(TZInfo::Data), 'rv' => RUBY_VERSION, 'rp' => RUBY_PLATFORM, 'win' => Gem.win_platform?, 'rorv' => (Rails::VERSION::STRING rescue nil), 'astz' => ([ Time.zone.class, Time.zone.tzinfo.name ] rescue nil), 'eov' => EtOrbi::VERSION, 'eotnz' => '???', 'eotnfz' => '???', 'eotlzn' => '???' } if ltz = EtOrbi::EoTime.local_tzone h['eotnz'] = EtOrbi::EoTime.now.zone h['eotnfz'] = EtOrbi::EoTime.now.strftime('%z') h['eotlzn'] = ltz.name end "(#{h.map(&etos).join(',')},#{gather_tzs.map(&etos).join(',')})" end
render_nozone_time(seconds)
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# File lib/et-orbi.rb, line 162 def render_nozone_time(seconds) t = Time.utc(1970) + seconds ts = t.strftime('%Y-%m-%d %H:%M:%S') + ".#{(seconds % 1).to_s.split('.').last}" tz = EtOrbi.determine_local_tzone z = tz ? tz.period_for_local(t).abbreviation.to_s : nil "(secs:#{seconds},utc~:#{ts.inspect},ltz~:#{z.inspect})" end
to_windows_tz(zone_name, time=Time.now)
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# File lib/et-orbi.rb, line 713 def to_windows_tz(zone_name, time=Time.now) twin = Time.utc(time.year, 1, 1) # winter tsum = Time.utc(time.year, 7, 1) # summer tz = ::TZInfo::Timezone.get(zone_name) tzo = tz.period_for_local(time).utc_total_offset tzop = tzo < 0 ? nil : '-'; tzo = tzo.abs tzoh = tzo / 3600 tzos = tzo % 3600 tzos = tzos == 0 ? nil : ':%02d' % (tzos / 60) abbs = [ tz.period_for_utc(twin).abbreviation.to_s, tz.period_for_utc(tsum).abbreviation.to_s ] .uniq [ abbs[0], tzop, tzoh, tzos, abbs[1] ].compact.join end
unalias(name)
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# File lib/et-orbi/zone_aliases.rb, line 4 def self.unalias(name) ZONE_ALIASES[name.sub(/ Daylight /, ' Standard ')] || unzz(name) || name end
unzz(name)
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# File lib/et-orbi/zone_aliases.rb, line 11 def self.unzz(name) m = name.match(/\A([A-Z]{3,4})([+-])(\d{1,2}):?(\d{2})?\z/) return nil unless m abbs = [ m[1] ]; a = m[1] abbs << "#{a}T" if a.size < 4 off = (m[2] == '+' ? 1 : -1) * (m[3].to_i * 3600 + (m[4] || '0').to_i * 60) t = Time.now twin = Time.utc(t.year, 1, 1) # winter tsum = Time.utc(t.year, 7, 1) # summer (@tz_all ||= ::TZInfo::Timezone.all) .each { |tz| abbs.each { |abb| per = tz.period_for_utc(twin) return tz.name if per.abbreviation.to_s == abb && per.utc_total_offset == off per = tz.period_for_utc(tsum) return tz.name if per.abbreviation.to_s == abb && per.utc_total_offset == off } } nil end
Protected Class Methods
centos_tz()
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# File lib/et-orbi.rb, line 833 def centos_tz path = '/etc/sysconfig/clock' File.open(path, 'rb') do |f| until f.eof? if m = f.readline.match(/ZONE="([^"]+)"/); return m[1]; end end end if File.exist?(path) nil rescue; nil; end
create_offset_tzone(utc_off, id)
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TZInfo >= 2.0.0
# File lib/et-orbi.rb, line 774 def create_offset_tzone(utc_off, id) off = TZInfo::TimezoneOffset.new(utc_off, 0, id) tzi = TZInfo::DataSources::ConstantOffsetDataTimezoneInfo.new(id, off) tzi.create_timezone end
debian_tz()
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system tz determination
# File lib/et-orbi.rb, line 826 def debian_tz path = '/etc/timezone' File.exist?(path) ? File.read(path).strip : nil rescue; nil; end
determine_local_tzones()
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# File lib/et-orbi.rb, line 792 def determine_local_tzones tabbs = (-6..5) .collect { |i| t = Time.now + i * 30 * 24 * 3600 "#{t.zone}_#{t.utc_offset}" } .uniq .sort .join('|') t = Time.now #tu = t.dup.utc # /!\ dup is necessary, #utc modifies its target twin = Time.local(t.year, 1, 1) # winter tsum = Time.local(t.year, 7, 1) # summer @tz_all ||= ::TZInfo::Timezone.all @tz_winter_summer ||= {} @tz_winter_summer[tabbs] ||= @tz_all .select { |tz| pw = tz.period_for_local(twin) ps = tz.period_for_local(tsum) tabbs == [ "#{pw.abbreviation}_#{pw.utc_total_offset}", "#{ps.abbreviation}_#{ps.utc_total_offset}" ] .uniq.sort.join('|') } @tz_winter_summer[tabbs] end
gather_tzs()
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# File lib/et-orbi.rb, line 855 def gather_tzs { :debian => debian_tz, :centos => centos_tz, :osx => osx_tz } end
get_as_tzone(t)
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# File lib/et-orbi.rb, line 235 def get_as_tzone(t) t.respond_to?(:time_zone) ? t.time_zone : nil end
get_local_tzone(t)
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# File lib/et-orbi.rb, line 215 def get_local_tzone(t) #lt = local_tzone #lp = lt.period_for_local(t) #ab = lp.abbreviation.to_s # #return lt \ # if ab == t.zone #return lt \ # if ab.match(/\A[-+]\d{2}(:?\d{2})?\z/) && lp.utc_offset == t.utc_offset # #nil # # keep that in the fridge for now l = Time.local(t.year, t.month, t.day, t.hour, t.min, t.sec, t.usec) (t.zone == l.zone) ? determine_local_tzone : nil end
get_offset_tzone(str)
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# File lib/et-orbi.rb, line 749 def get_offset_tzone(str) # custom timezones, no DST, just an offset, like "+08:00" or "-01:30" m = str.match(/\A([+-][0-1][0-9]):?([0-5][0-9])?\z/) return nil unless m hr = m[1].to_i mn = m[2].to_i hr = nil if hr.abs > 11 hr = nil if mn > 59 mn = -mn if hr && hr < 0 return ( (@custom_tz_cache ||= {})[str] = create_offset_tzone(hr * 3600 + mn * 60, str) ) if hr nil end
osx_tz()
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# File lib/et-orbi.rb, line 846 def osx_tz path = '/etc/localtime' File.symlink?(path) ? File.readlink(path).split('/')[4..-1].join('/') : nil rescue; nil; end
to_offset(n)
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protected module methods
# File lib/et-orbi.rb, line 738 def to_offset(n) i = n.to_i sn = i < 0 ? '-' : '+'; i = i.abs hr = i / 3600; mn = i % 3600; sc = i % 60 sc > 0 ? '%s%02d:%02d:%02d' % [ sn, hr, mn, sc ] : '%s%02d:%02d' % [ sn, hr, mn ] end