add initial sync

nmsync/__init__.py

@@ -8,6 +8,7 @@ from glob import glob
 from threading import Timer
 
 import click
+from filehash import FileHash
 from rich import print
 from watchdog.events import FileSystemEventHandler, EVENT_TYPE_DELETED, EVENT_TYPE_MOVED
 from watchdog.observers import Observer
@@ -28,7 +29,7 @@ def list_of(path: str):
 
 
 class FSEvents(FileSystemEventHandler):
-    debounce = 3.0 # secs 
+    debounce = 3.0  # secs
     
     def __init__(self, src: str, dst: str, logger=None):
         super().__init__()
@@ -40,6 +41,22 @@ class FSEvents(FileSystemEventHandler):
         self.timer = Timer(0, self.update_files)
         self.logger = logger or logging.root
     
+    def sync(self) -> bool:
+        "Runs only once at first-run, returns whether or not can sync anyways"
+        if not self.files: raise Exception("No files to scan")
+        exists = 0
+        md5hasher = FileHash('md5')
+        for path in self.files:
+            src = f'{self.src}{path}'
+            if not os.path.exists(src): continue
+            exists += 1
+            dst = f'{self.dst}{path}'
+            if md5hasher.hash_file(src) != md5hasher.hash_file(dst):
+                self.to_update.add(path)
+        
+        if self.to_update: self.update_files()
+        return exists / len(self.files) * 100 > 0.6
+    
     def update_files(self):
         # print('going to update', self.to_update)
         files = self.to_update.copy()
@@ -52,7 +69,7 @@ class FSEvents(FileSystemEventHandler):
         # @TODO 1/16/2021 by j4hangir: make handle create
         if (path := event.src_path.replace('\\', '/')).endswith('~'): return  # temp file, e.g. intellij
         
-        path = path.replace('\\', '/')[self.srclen:]
+        path = path[self.srclen:]
         # print(path, self.files)
         if not path in self.files: return
         
@@ -119,7 +136,11 @@ def nmsync(dst):
     print(f'Watching [bold magenta]{src}[/]')
     
     observer = Observer()
-    observer.schedule(FSEvents(src, dst), src, recursive=True)
+    synchronizer = FSEvents(src, dst)
+    if not synchronizer.sync():
+        print("[red]Invalid folder, none of the files found![/]")
+        return
+    observer.schedule(synchronizer, src, recursive=True)
     observer.start()
     try:
         while True:

setup.py

@@ -10,6 +10,7 @@ setup(name='nmsync',
       install_requires=[
             'watchdog',
             'rich',
+            'filehash',
             'click'
       ],
       zip_safe=False)
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