martin/Sharepoint-Download-Tool
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Tilføj paginering og forbedret status-logging for store filer

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This commit is contained in:
Martin Tranberg
2026-03-26 15:38:54 +01:00
parent 908152153b
commit a74abf4186
1 changed files with 54 additions and 32 deletions
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86
download_sharepoint.py
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@@ -12,6 +12,13 @@ from urllib.parse import urlparse, quote
MAX_WORKERS = 5
report_lock = threading.Lock()
def format_size(size_bytes):
"""Formats bytes into a human-readable string."""
for unit in ['B', 'KB', 'MB', 'GB', 'TB']:
if size_bytes < 1024.0:
return f"{size_bytes:.2f} {unit}"
size_bytes /= 1024.0
def load_config(file_path):
config = {}
with open(file_path, 'r', encoding='utf-8') as f:
@@ -68,9 +75,11 @@ def download_single_file(download_url, local_path, expected_size, display_name):
print(f"Skipped (matches local): {display_name}")
return True, None
print(f"Starting: {display_name} ({format_size(expected_size)})")
os.makedirs(os.path.dirname(local_path), exist_ok=True)
# Using a timeout for the request to prevent hanging indefinitely
response = requests.get(download_url, stream=True, timeout=60)
# Using a longer timeout for the initial connection on very large files
response = requests.get(download_url, stream=True, timeout=120)
response.raise_for_status()
with open(local_path, 'wb') as f:
@@ -81,7 +90,7 @@ def download_single_file(download_url, local_path, expected_size, display_name):
# Verify size after download
local_size = os.path.getsize(local_path)
if int(local_size) == int(expected_size):
print(f"Downloaded: {display_name}")
print(f"DONE: {display_name}")
return True, None
else:
return False, f"Size mismatch: Remote={expected_size}, Local={local_size}"
@@ -89,36 +98,46 @@ def download_single_file(download_url, local_path, expected_size, display_name):
return False, str(e)
def process_item_list(app, drive_id, item_path, local_root_path, report, executor, futures):
"""Traverses folders and submits file downloads to the executor."""
"""Traverses folders and submits file downloads to the executor with pagination support."""
try:
headers = get_headers(app)
encoded_path = quote(item_path)
url = f"https://graph.microsoft.com/v1.0/drives/{drive_id}/root:/{encoded_path}:/children"
# Initial URL for the folder children
if not item_path:
url = f"https://graph.microsoft.com/v1.0/drives/{drive_id}/root/children"
else:
url = f"https://graph.microsoft.com/v1.0/drives/{drive_id}/root:/{encoded_path}:/children"
response = requests.get(url, headers=headers)
response.raise_for_status()
items = response.json().get('value', [])
for item in items:
item_name = item['name']
local_path = os.path.join(local_root_path, item_name)
display_path = f"{item_path}/{item_name}".strip('/')
while url:
response = requests.get(url, headers=headers)
response.raise_for_status()
data = response.json()
items = data.get('value', [])
if 'folder' in item:
process_item_list(app, drive_id, display_path, local_path, report, executor, futures)
elif 'file' in item:
download_url = item.get('@microsoft.graph.downloadUrl')
if not download_url:
with report_lock:
report.append({"Path": display_path, "Error": "No download URL", "Timestamp": datetime.now().isoformat()})
continue
for item in items:
item_name = item['name']
local_path = os.path.join(local_root_path, item_name)
display_path = f"{item_path}/{item_name}".strip('/')
# Submit download to thread pool
future = executor.submit(download_single_file, download_url, local_path, item['size'], display_path)
futures[future] = display_path
if 'folder' in item:
process_item_list(app, drive_id, display_path, local_path, report, executor, futures)
elif 'file' in item:
download_url = item.get('@microsoft.graph.downloadUrl')
if not download_url:
with report_lock:
report.append({"Path": display_path, "Error": "No download URL", "Timestamp": datetime.now().isoformat()})
continue
# Submit download to thread pool
future = executor.submit(download_single_file, download_url, local_path, item['size'], display_path)
futures[future] = display_path
# Check for next page of items
url = data.get('@odata.nextLink')
if url:
# Refresh token if needed for the next page request
headers = get_headers(app)
except Exception as e:
with report_lock:
@@ -126,11 +145,11 @@ def process_item_list(app, drive_id, item_path, local_root_path, report, executo
def main():
config = load_config('connection_info.txt')
tenant_id = config.get('TENANT_ID')
client_id = config.get('CLIENT_ID')
client_secret = config.get('CLIENT_SECRET')
site_url = config.get('SITE_URL')
drive_name = config.get('DOCUMENT_LIBRARY')
tenant_id = config.get('TENANT_ID', '')
client_id = config.get('CLIENT_ID', '')
client_secret = config.get('CLIENT_SECRET', '')
site_url = config.get('SITE_URL', '')
drive_name = config.get('DOCUMENT_LIBRARY', '')
folders_to_download_str = config.get('FOLDERS_TO_DOWNLOAD', '')
local_path_base = config.get('LOCAL_PATH', '').replace('\\', os.sep)
@@ -151,13 +170,15 @@ def main():
futures = {}
for folder in folders_to_download:
if folder == "":
print("\nProcessing entire document library (Root)...")
print("\nScanning entire document library (Root)...")
else:
print(f"\nProcessing folder: {folder}")
print(f"\nScanning folder: {folder}")
local_folder_path = os.path.join(local_path_base, folder)
process_item_list(app, drive_id, folder, local_folder_path, report, executor, futures)
print(f"\n--- Scanning complete. Active downloads: {len(futures)} ---\n")
# Wait for all downloads to complete and collect errors
for future in as_completed(futures):
path = futures[future]
@@ -177,7 +198,8 @@ def main():
writer.writeheader()
writer.writerows(report)
print(f"\nProcess complete. Errors: {len(report)}")
print(f"\nProcess complete. Errors logged: {len(report)}")
print(f"Report file: {report_file}")
if __name__ == "__main__":
main()