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unix timestamp in cython

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This commit is contained in:
Mario Fink 2019-05-16 11:09:49 +02:00
parent a307da51aa
commit 964cf461a7
3 changed files with 10 additions and 26 deletions
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31
lib/tdm_ripper.hpp
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@ -254,36 +254,15 @@ public:
// average year of Gregorian calender
const double avgdaysofyear = 365 + 1./4 - 1./100 + 1./400;
// std::tm epochStart = {};
// epochStart.tm_sec = 0;
// epochStart.tm_min = 0;
// epochStart.tm_hour = 0;
// epochStart.tm_mday = 1;
// epochStart.tm_mon = 0;
// epochStart.tm_year = 2040;
// epochStart.tm_wday = 0;
// epochStart.tm_yday = 0;
// epochStart.tm_isdst = -1;
// std::time_t epochtst = std::mktime(&epochStart);
// convert string to long int = number of second since 0000/01/01 00:00
long int ts = atol(unixts.c_str());
assert( ts > 0 );
// int year = (int)floor((double)ts/(avgdaysofyear*86400));
// int month = (int)floor((ts-year*avgdaysofyear*86400)/(30*86400));
// int day = (int)floor((ts-year*avgdaysofyear*86400-month*30*86400)/86400);
// int daysec = ts-year*avgdaysofyear*86400-month*30*86400-day*86400;
// int hour = (int)floor(daysec/3600.);
// int mins = (int)floor((daysec-hour*3600)/60.);
// int secs = (int)floor((daysec-hour*3600-mins*60));
// return std::to_string(year)+"-"+std::to_string(month)+"-"+std::to_string(day)
// +" "+std::to_string(hour)+":"+std::to_string(mins)+":"+std::to_string(secs);
// use STL to convert timestamp
// std::time_t tstime = std::time_t(ts)-epochtst;
// use STL to convert timestamp (epoch usually starts from 01.01.1970)
std::time_t tstime = ts - 1970*avgdaysofyear*86400;
return std::ctime(&tstime);
// get rid of linebreak character and return the result
return std::strtok(std::ctime(&tstime),"\n");
}
std::string time_stamp(int groupid, bool startstop = true)

3
pytdm_ripper.pyx
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@ -50,6 +50,9 @@ cdef class pytdmripper:
def channel_length(self,int groupid, int channelid):
return self.cripp.channel_length(groupid,channelid)
def time_stamp(self,int groupid, bool startstop):
return self.cripp.time_stamp(groupid,startstop)
def get_min(self,int groupid, int channelid):
return self.cripp.get_min(groupid,channelid)

2
tdm_ripper.pxd
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@ -4,6 +4,7 @@
# use some C++ STL libraries
from libcpp.string cimport string
from libcpp.vector cimport vector
from libcpp cimport bool
cdef extern from "tdm_ripper.cpp":
pass
@ -22,6 +23,7 @@ cdef extern from "tdm_ripper.hpp":
int channel_exists(int,string)
vector[double] get_channel(int)
int channel_length(int,int)
string time_stamp(int,bool)
double get_min(int,int)
double get_max(int,int)
vector[double] channel(int,int)