pytz sample using only pytz (#555)

cx_Freeze/samples/pytz/requirements.txt

@@ -1,4 +1,3 @@
 cx-freeze
 pytz
-tzlocal
 

cx_Freeze/samples/pytz/setup.py

@@ -1,4 +1,6 @@
-# A setup script to demonstrate the use o pytz
+'''A setup script to demonstrate build using pytz
+   This version requires the zoneinfo in the zip file
+'''
 #
 # Run the build process by running the command 'python setup.py build'
 #
@@ -7,9 +9,11 @@
 
 from cx_Freeze import setup, Executable
 
-setup(name='test_pytz',
-      version='0.1',
+setup(name='test_pytz_zip',
+      version='0.2',
       description='cx_Freeze script to test pytz',
       executables=[Executable("test_pytz.py")],
-      options={'build_exe': {'zip_include_packages': ["*"],
-                             'zip_exclude_packages': []}})
+      options={
+          'build_exe': {'zip_include_packages': ["*"],
+                        'zip_exclude_packages': []}
+          })

cx_Freeze/samples/pytz/setup2.py

@@ -0,0 +1,28 @@
+'''A setup script to demonstrate build using pytz
+   This version requires the zoneinfo in the file system
+'''
+#
+# Run the build process by running the command 'python setup.py build'
+#
+# If everything works well you should find a subdirectory in the build
+# subdirectory that contains the files needed to run the script without Python
+
+import distutils
+import sys
+import os
+
+from cx_Freeze import setup, Executable
+
+dir_name = "exe.%s-%s.2" % \
+        (distutils.util.get_platform(), sys.version[0:3])
+build_exe = os.path.join('build', dir_name)
+
+setup(name='test_pytz',
+      version='0.2',
+      description='cx_Freeze script to test pytz',
+      executables=[Executable("test_pytz.py")],
+      options={
+          'build_exe': {'zip_include_packages': ["*"],
+                        'zip_exclude_packages': ["pytz"],
+                        'build_exe': build_exe}
+          })

cx_Freeze/samples/pytz/test_pytz.py

@@ -1,16 +1,16 @@
 '''sample to show the datetime in RFC1123 (timezone is required)'''
-from datetime import datetime
+import datetime
 import pytz
-import tzlocal
 
 RFC1123 = '%a, %d %b %Y %H:%M:%S %z'
 
-try:
-    tz = tzlocal.get_localzone()
-    print('Using your local timezone:', tz.zone)
-except pytz.exceptions.UnknownTimeZoneError as exc:
-    print('Detected your local timezone:', exc.args[0])
-    print("WARNING: fail to load pytz timezones, fallback to UTC")
-    tz = pytz.utc
-finally:
-    print(datetime.now(tz).strftime(RFC1123))
+utc_time = datetime.datetime.utcnow()
+print('UTC time:', utc_time.strftime(RFC1123))
+
+tz1 = pytz.timezone('America/Sao_Paulo')
+brz_time = tz1.fromutc(utc_time)
+print('Brazil time:', brz_time.strftime(RFC1123))
+
+tz2 = pytz.timezone('US/Eastern')
+eas_time = tz2.fromutc(utc_time)
+print('US Eastern time:', eas_time.strftime(RFC1123))