add process.get_processes_by_path

pydu/process.py

@@ -0,0 +1,28 @@
+try:
+    import psutil
+except ImportError:
+    raise ImportError('Need to pip install psutil if you use pydu.process')
+
+
+def get_processes_by_path(path):
+    pinfos = []
+    for proc in psutil.process_iter():
+        pinfo = proc.as_dict(attrs=['pid', 'name', 'exe', 'cwd', 'open_files'])
+
+        using_paths = []
+        if pinfo['exe']:
+            using_paths.append(pinfo['exe'])
+        if pinfo['cwd']:
+            using_paths.append(pinfo['cwd'])
+        if pinfo['open_files']:
+            using_paths.extend(pinfo['open_files'])
+
+        for using_path in using_paths:
+            if path not in using_path:
+                continue
+            pinfos.append({
+                'pid': pinfo['pid'],
+                'name': pinfo['name'],
+                'cmdline': pinfo['exe']
+            })
+    return pinfos