api/examples: Rework sys.path computation

(imported from commit 6e4c2a9b5f5ab6f6680704a1e06bd17fd95bd038)

examples/get-public-streams

@@ -22,7 +22,7 @@
 # SOFTWARE.
 
 import sys
-import os
+from os import path
 import optparse
 
 usage = """get-public-streams --user=<email address> [options]
@@ -45,7 +45,7 @@ parser.add_option('--user',
                   action='store')
 (options, args) = parser.parse_args()
 
-sys.path.append(os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
+sys.path.append(path.join(path.dirname(__file__), '../..'))
 import api.common
 client = api.common.HumbugAPI(email=options.user,
                               api_key=options.api_key,

examples/list-subscriptions

@@ -22,7 +22,7 @@
 # SOFTWARE.
 
 import sys
-import os
+from os import path
 import optparse
 
 usage = """list-subscriptions --user=<email address> [options]
@@ -45,7 +45,7 @@ parser.add_option('--user',
                   action='store')
 (options, args) = parser.parse_args()
 
-sys.path.append(os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
+sys.path.append(path.join(path.dirname(__file__), '../..'))
 import api.common
 client = api.common.HumbugAPI(email=options.user,
                               api_key=options.api_key,

examples/print-messages

@@ -22,7 +22,7 @@
 # SOFTWARE.
 
 import sys
-import os
+from os import path
 import optparse
 
 usage = """print-messages --user=<email address> [options]
@@ -45,7 +45,7 @@ parser.add_option('--user',
                   action='store')
 (options, args) = parser.parse_args()
 
-sys.path.append(os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
+sys.path.append(path.join(path.dirname(__file__), '../..'))
 import api.common
 client = api.common.HumbugAPI(email=options.user,
                               api_key=options.api_key,

examples/print-next-message

@@ -22,7 +22,7 @@
 # SOFTWARE.
 
 import sys
-import os
+from os import path
 import optparse
 
 usage = """print-next-message --user=<email address> [options]
@@ -45,7 +45,7 @@ parser.add_option('--user',
                   action='store')
 (options, args) = parser.parse_args()
 
-sys.path.append(os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
+sys.path.append(path.join(path.dirname(__file__), '../..'))
 import api.common
 client = api.common.HumbugAPI(email=options.user,
                               api_key=options.api_key,

examples/send-message

@@ -22,7 +22,7 @@
 # SOFTWARE.
 
 import sys
-import os
+from os import path
 import optparse
 
 usage = """send-message [options] <recipient>
@@ -54,7 +54,7 @@ parser.add_option('--type',
 if len(args) == 0:
     parser.error("You must specify recipients")
 
-sys.path.append(os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
+sys.path.append(path.join(path.dirname(__file__), '../..'))
 import api.common
 client = api.common.HumbugAPI(email=options.sender,
                               api_key=options.api_key,

examples/subscribe

@@ -22,7 +22,7 @@
 # SOFTWARE.
 
 import sys
-import os
+from os import path
 import optparse
 
 usage = """subscribe --user=<email address> [options] --streams=<streams>
@@ -49,7 +49,7 @@ parser.add_option('--user',
                   action='store')
 (options, args) = parser.parse_args()
 
-sys.path.append(os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
+sys.path.append(path.join(path.dirname(__file__), '../..'))
 import api.common
 client = api.common.HumbugAPI(email=options.user,
                               api_key=options.api_key,

examples/unsubscribe

@@ -22,7 +22,7 @@
 # SOFTWARE.
 
 import sys
-import os
+from os import path
 import optparse
 
 usage = """unsubscribe --user=<email address> [options] --streams=<streams>
@@ -49,7 +49,7 @@ parser.add_option('--user',
                   action='store')
 (options, args) = parser.parse_args()
 
-sys.path.append(os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
+sys.path.append(path.join(path.dirname(__file__), '../..'))
 import api.common
 client = api.common.HumbugAPI(email=options.user,
                               api_key=options.api_key,