Support watch and bump the version.

LICENSE

@@ -1,11 +1,20 @@
-
 MIT License
 
 Copyright (c) 2017, Chih-Wei Chang
 
-Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

@@ -66,6 +66,8 @@ This will install a command line tool `psync`, the usage of which is described b
     .      ..     README
     ```
 
+3. Run `psync watch` to watch any modification under the project root and perform sync automatically.
+
 ### Usage Demo
 
 ![Usage Demo](demo-usage.gif)

psync/cli.py

@@ -5,6 +5,18 @@
 import os
 import yaml
 from psync import psync
+from psync import watcher
+from watchdog.observers import Observer
+
+
+def get_project_root():
+    cwd = os.getcwd()
+    root = psync.project_root(start_from=cwd)
+
+    if root is None:
+        return False, None
+    else:
+        return True, root
 
 
 def ask_for_configs():
@@ -29,15 +41,22 @@ def ask_for_configs():
                                  ignores=ignores)
 
 
-@click.command()
-def main(args=None):
+@click.group(invoke_without_command=True)
+@click.pass_context
+def cli(ctx):
     """Console script for psync"""
+    if ctx.invoked_subcommand is None:
+        perform_sync()
+    else:
+        pass
 
-    cwd = os.getcwd()
-    root = psync.project_root(start_from=cwd)
 
-    if root is None:
+def perform_sync():
+    is_proj, root = get_project_root()
+
+    if not is_proj:
         click.echo("You are not in a project (no .psync found)!")
+        cwd = os.getcwd()
         gen_conf = click.prompt(
             "Generate .psync to current directory ({}) [Y/n]?".format(cwd),
             default="Y")
@@ -70,5 +89,31 @@ def main(args=None):
         click.echo("--- Sync Finished ---")
 
 
+@cli.command()
+def watch():
+    import time
+    is_proj, root = get_project_root()
+
+    state = {"dirty": False}
+
+    if not is_proj:
+        click.echo("Run psync to generate .psync config file.")
+    else:
+        event_handler = watcher.AnyEventHandler(state)
+        observer = Observer()
+        observer.schedule(event_handler, root, recursive=True)
+        observer.start()
+        try:
+            while True:
+                if state["dirty"]:
+                    click.echo("Detect modification. Perform sync.")
+                    perform_sync()
+                    state["dirty"] = False
+                time.sleep(1)
+        except KeyboardInterrupt:
+            observer.stop()
+        observer.join()
+
+
 if __name__ == "__main__":
-    main()
+    cli()

psync/watcher.py

@@ -0,0 +1,13 @@
+from watchdog.events import FileSystemEventHandler
+
+
+class AnyEventHandler(FileSystemEventHandler):
+    def __init__(self, state):
+        super(AnyEventHandler, self).__init__()
+        # A dirty way to emit changes to the outside world.
+        # Should try to use other pure way to do this.
+        self.state = state
+
+    def on_any_event(self, event):
+        super(AnyEventHandler, self).on_any_event(event)
+        self.state["dirty"] = True

setup.py

@@ -9,6 +9,7 @@
 requirements = [
     'Click>=6.0',
     'PyYAML>=3.12',
+    'watchdog>=0.8.3',
 ]
 
 test_requirements = [
@@ -17,8 +18,8 @@
 
 setup(
     name='project-sync',
-    version='0.1.0',
-    description="A simple tool for synchronizing local project (files)"
+    version='0.1.1',
+    description="A simple tool for synchronizing local project (files) "
                 "to remote server.",
     long_description=readme,
 
@@ -34,7 +35,7 @@
 
     entry_points={
         'console_scripts': [
-            'psync=psync.cli:main'
+            'psync=psync.cli:cli'
         ]
     },