7.4: never sort files that are still downloading

Files ending in .part, .crdownload or .download (any case), and a file next
to its own unfinished download (Firefox's empty placeholder), are skipped
before any pattern check, folder zipping or unzipping.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

SaraSortd.py

@@ -6,7 +6,7 @@ import shutil
 import time
 import toml
 
-# Version = "7.3"
+# Version = "7.4"
 
 ConfPath = "./GlobalConf.toml"
 
@@ -393,6 +393,20 @@ def FileInputValid(File, FilePath, ParentName):
     return False
 
 
+# Files that are still downloading (since 7.4): Firefox's .part, Chromium's .crdownload and Safari's .download.
+# SaraSortd never touches them, not even to check them against patterns.
+PartialDownloadSuffixes = (".part", ".crdownload", ".download")
+
+
+def IsPartialDownload(FilePath):
+    if os.path.basename(FilePath).lower().endswith(PartialDownloadSuffixes):
+        return True
+
+    # A file next to its own unfinished download, E.G. the empty "video.mp4" Firefox makes beside
+    # "video.mp4.part" and fills in at the end. Moving it would break the download.
+    return any(os.path.exists(FilePath + Suffix) for Suffix in PartialDownloadSuffixes)
+
+
 def IsCatchAll(Pattern):
     # A pattern made of only "*" takes any file.
     return Pattern != "" and set(Pattern) == {"*"}
@@ -632,7 +646,7 @@ def Main():
                     if len(GetConf("Unzip", OutDirConfPath) or []) >= 1:
                         ZipTypes = GetConf("Unzip", OutDirConfPath)
                         for OutputFile in os.listdir(OutputPath):
-                            if OutputFile.startswith("."):
+                            if OutputFile.startswith(".") or IsPartialDownload(f"{OutputPath}/{OutputFile}"):
                                 continue
 
                             for ZipType in ZipTypes:
@@ -662,6 +676,9 @@ def Main():
 
                 for FileName in os.listdir(InputPath):
                     FilePath = f"{InputPath}/{FileName}"
+                    if IsPartialDownload(FilePath):
+                        continue
+
                     if os.path.isdir(FilePath) and InputDirConf.get("SortDirs", 0) == 0:
                         continue