From 2919edf4ab3dadc90bb59ebbcd32c263c53aac9a Mon Sep 17 00:00:00 2001
From: Jason <jlee91271@gmail.com>
Date: Sat, 22 May 2021 00:06:16 -0300
Subject: [PATCH 1/2] Comple the day 2 coding for datetime & timedelta

---
 days/01-03-datetimes/code/d2c.py | 63 ++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 days/01-03-datetimes/code/d2c.py

diff --git a/days/01-03-datetimes/code/d2c.py b/days/01-03-datetimes/code/d2c.py
new file mode 100644
index 00000000..4279a2b8
--- /dev/null
+++ b/days/01-03-datetimes/code/d2c.py
@@ -0,0 +1,63 @@
+from datetime import datetime, timedelta
+import os
+import re
+import urllib.request
+from typing import List
+
+
+def convert_to_datetime(line):
+    """
+       Extract timestamp from logline and convert it to a datetime object.
+       For example calling the function with:
+       INFO 2014-07-03T23:27:51 supybot Shutdown complete.
+       returns:
+       datetime(2014, 7, 3, 23, 27, 51)
+    """
+    timestamp = re.findall(r"\d+\-\d+\-\w+\:\d+\:\d+", line)
+    #print('Timestamp extracted is ' + timestamp[0])
+    return (datetime.strptime(timestamp[0], "%Y-%m-%dT%H:%M:%S"))
+
+def time_between_shutdowns(loglines):
+    """
+       Extract shutdown events ("Shutdown initiated") from loglines and
+       calculate the timedelta between the first and last one.
+       Return this datetime.timedelta object.
+    """
+    shutdown_event_start = 'Shutdown initiated'
+
+    # Extract all the shutdown event timestamps
+    shutdowntimes = []
+    for i in range(len(loglines)):
+        if (re.search(shutdown_event_start, loglines[i])):
+            timestamp = convert_to_datetime(loglines[i])
+            shutdowntimes.append(timestamp)
+            print(shutdown_event_start + " at " + str(timestamp.date()) + ", " + str(timestamp.time()))
+
+    # Compute the time between the first & last shutdown event timestamps
+    deltatime = shutdowntimes[len(shutdowntimes)-1] - shutdowntimes[0]
+    return deltatime
+
+
+# Establish the name of the local logfile
+tmp = os.getenv("TMP", "/tmp")
+logfile = os.path.join(tmp, 'log')
+
+# Read data from the url into the logfile
+urllib.request.urlretrieve(
+    'https://bites-data.s3.us-east-2.amazonaws.com/messages.log',
+    logfile
+)
+
+# Read the local logfile into a list loglines
+with open(logfile) as f:
+    loglines = f.readlines()
+
+# Extract all the timestamps from the log file
+logdatetimes = list(range(len(loglines)))
+for i in range(len(loglines)):
+    logdatetimes[i] = convert_to_datetime(loglines[i])
+    print("Timestamp " + str(i) + " encoded " + str(logdatetimes[i].date()) + " " + str(logdatetimes[i].time()))
+
+shutdowndeltatime = time_between_shutdowns(loglines)
+
+print("Time between shutdowns is (hh:mm:ss)", shutdowndeltatime)
\ No newline at end of file

From 12685125011d4967d9d90fe5533e8b20037a6bcd Mon Sep 17 00:00:00 2001
From: Jason <jlee91271@gmail.com>
Date: Sat, 22 May 2021 15:07:13 -0300
Subject: [PATCH 2/2] Complete the day 3 coding creating a simple stopwatch
 commandline using datetime object.

---
 days/01-03-datetimes/code/sw.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 days/01-03-datetimes/code/sw.py

diff --git a/days/01-03-datetimes/code/sw.py b/days/01-03-datetimes/code/sw.py
new file mode 100644
index 00000000..552fd6ef
--- /dev/null
+++ b/days/01-03-datetimes/code/sw.py
@@ -0,0 +1,14 @@
+from datetime import datetime, timedelta
+
+# Repeat until the use selects to quit
+while (1):
+    what2do = input("\nPlease choose, start timer (s), else quit...")
+    if (what2do.upper() == 'S'):
+        starttime = datetime.now()
+        print("Starting timer... " + str(starttime))
+        input("Hit any key to stop timer.")
+        stoptime = datetime.now()
+        print("Ellapsed time is " + str(stoptime - starttime))
+    else:
+        print("Bye bye!")
+        break