make final log message contain total duration and size for whole run

README.md

@@ -6,6 +6,8 @@ SPDX-License-Identifier: Apache-2.0
 
 # Seafile Mirror
 
+[![REUSE status](https://api.reuse.software/badge/src.mehl.mx/mxmehl/seafile-mirror)](https://api.reuse.software/info/src.mehl.mx/mxmehl/seafile-mirror)
+
 A Python tool to handle clean read-only (re-)syncs of
 [Seafile](https://www.seafile.com) libraries with the intention to mirror them.
 
@@ -40,7 +42,8 @@ Seafile servers!
 
 The tool depends on the following applications:
 * `Python 3` and its library `yaml`
-* [`seafile-cli`](https://help.seafile.com/syncing_client/linux-cli/), available e.g. in [Debian](https://packages.debian.org/bullseye/seafile-cli)
+* [`seafile-cli`](https://help.seafile.com/syncing_client/linux-cli/), available
+  e.g. in [Debian](https://packages.debian.org/bullseye/seafile-cli)
 
 You can execute the tool with `python3 seafile_mirror.py`. The `--help` flag
 informs you about the required and available commands.
@@ -49,13 +52,17 @@ There is also an [Ansible
 role](https://src.mehl.mx/mxmehl/seafile-mirror-ansible) that takes care of
 installing the tool, setting up a systemd service, and running it daily.
 
-To keep the Seafile daemon that is required for `seafile-cli` running in the background, check out this [exemplary systemd service](examples/seaf-daemon.service).
+To keep the Seafile daemon that is required for `seafile-cli` running in the
+background, check out this [exemplary systemd
+service](examples/seaf-daemon.service).
 
 ## Configuration
 
-Configuration is done in a YAML file called `seafile_mirror.conf.yaml`. You can find an example [here](examples/seafile_mirror.conf.yaml).
+Configuration is done in a YAML file called `seafile_mirror.conf.yaml`. You can
+find an example [here](examples/seafile_mirror.conf.yaml).
 
-If that configuration file resides in the same location as the `seafile_mirror.py` file you are running, you should provide `--configdir ./`.
+If that configuration file resides in the same location as the
+`seafile_mirror.py` file you are running, you should provide `--configdir ./`.
 
 ## Logging and caching
 

functions/helpers.py

@@ -39,3 +39,14 @@ def findstring(text, string):
 def countlines(string: str) -> int:
     """Count number of lines in a variable"""
     return len(string.splitlines())
+
+
+def convert_bytes(size):
+    """Convert bytes to KB, MB etc depending on size"""
+    power = 1024
+    level = 0
+    labels = {0 : 'B', 1: 'KB', 2: 'MB', 3: 'GB', 4: 'TB'}
+    while size > power:
+        size /= power
+        level += 1
+    return f"{round(size, 2)} {labels[level]}"

seafile_mirror.py

@@ -15,7 +15,7 @@ from time import sleep
 import yaml
 
 from functions.cachedb import db_read
-from functions.helpers import findstring, get_lock
+from functions.helpers import convert_bytes, findstring, get_lock
 from functions.seafile import (
     sf_bump_cache_status,
     sf_desync_all,
@@ -86,7 +86,7 @@ def main():
         sf_desync_all(cache)
 
     # Create list of libraries we handle(d) for final output
-    libsdone = []
+    libsdone = {"libs": [], "bytes": 0, "time": 0}
 
     # Go through users in config
     for access in config:
@@ -183,15 +183,34 @@ def main():
             )
             sf_runcmd(None, "desync", "-d", libdir)
 
+            # Get size of directory (libdir) in bytes
+            # Note: this is not fully equivalent with what `du` would show. It's
+            # caused by the fact that `du` considers filesystem block sizes
+            libdirsize = sum(
+                f.stat().st_size for f in libdir.glob("**/*") if f.is_file()
+            )
+
             # Update libsdone and cache
-            libsdone.append(libname)
+            libsdone["libs"].append(libname)
+            libsdone["bytes"] += libdirsize
+            libsdone["time"] += syncduration
             sf_bump_cache_status(cache, libid, status="synced", duration=syncduration)
 
             logging.info(
-                "Library %s (%s) has been re-synced to %s", libname, libid, libdir
+                "Library %s (%s) has been re-synced to %s. Duration: %s minutes. Size: %s",
+                libname,
+                libid,
+                libdir,
+                round(syncduration),
+                convert_bytes(libdirsize),
             )
 
-    logging.info("Fully re-synced the following libraries: %s", ", ".join(libsdone))
+    logging.info(
+        "Fully re-synced the following libraries: %s. Total duration: %s minutes. Total size: %s",
+        ", ".join(libsdone["libs"]),
+        round(libsdone["time"]),
+        convert_bytes(libsdone["bytes"]),
+    )
 
 
 if __name__ == "__main__":