Extremely basic (but working!) implementation of the restore method.

libufps/ufps.py

@@ -9,6 +9,27 @@ class ufps:
 	Primary class for libufps
 	"""
 
+	I_PERMS = 0
+	"""I_PERMS = index for permissions"""
+
+	I_USERN = 1
+	"""I_USERN = index for username"""
+
+	I_GROUP = 2
+	"""I_GROUP = index for group"""
+
+	I_ISDIR = 3
+	"""I_ISDIR = index for directory boolean"""
+
+	I_ISLNK = 4
+	"""I_ISLNK = index for link boolean"""
+
+	I_IPATH = 5
+	"""I_ISLNK = index for indexed path"""
+
+	I_LPATH = 6
+	"""I_LPATH = index for linked path (None if I_ISLNK=False)"""
+
 	def __init__(self, basedir):
 		"""
 		Constructor method.
@@ -98,9 +119,9 @@ class ufps:
 		stats = os.stat(realpath)
 
 		# Invoke a magic spell
-		# Magic number -3 is used as for this we only need the last 3 digits.
+		# Magic number -4 is used as for this we only need the last 4 digits.
 		# Directory and link detection is handled later.
-		pPerms = oct(stats.st_mode)[-3:]
+		pPerms = oct(stats.st_mode)[-4:]
 
 		# Get whether or not the path is a dir
 		pIsDir = os.path.isdir(realpath)
@@ -175,8 +196,8 @@ class ufps:
 
 	def createIndex(self, path):
 		"""
-		Create an idex by delving into subdirectories and recording information.
-		:rtype path: Path to directory or file
+		Create an index by delving into subdirectories and recording information.
+		:param path: Path to directory to create index of.
 		:type path: str
 		
 		:return outputIndex: Returns file permission, owner, directory, and link information in a string to be written to a file.
@@ -185,7 +206,6 @@ class ufps:
 		outputIndex = ""
 
 		realpath = self.basedir+path
-		#realpath = path
 		findCommand = "find " + realpath + " -printf '%P\n'"
 
 		fileList = subprocess.check_output(findCommand, shell=True, text=True)
@@ -205,3 +225,41 @@ class ufps:
 		outputIndex = outputIndex[:-1]
 
 		return outputIndex
+
+
+
+	def restore(self, index, path):
+		"""
+		Restore permissions according to index.
+		:param index: Path to ufps index file. 
+		:type index: str
+		:param path: Path to directory to be restored.
+		:type path: str
+		:return results: Results of restoration (such as inconsistencies).
+		:rtype results: str
+		"""
+		realpath = self.basedir+path
+		print(realpath)
+		results = ""
+		file = open(index)
+		idx = file.read()
+		file.close()
+
+		idx = idx.split('\n')
+		for p in idx:
+			indexEntry = p.split(' | ')
+			print(indexEntry)
+			indexRealPath = realpath + indexEntry[self.I_IPATH]
+			permsToSet = int(indexEntry[self.I_PERMS], base=8)
+			pathExists = os.path.exists(indexRealPath)
+
+			if pathExists:
+				os.chmod(indexRealPath, permsToSet)
+			else:
+				# If the path doesn't exist, an inconsistency has been detected.
+				# We report this so that the user can manually rectify it.
+				results += "[INCONSISTENCY] File doesn't exist: " + indexEntry[self.I_IPATH] + "\n"
+
+		return results
+
+#	def diff(self, index):