การแปลง RAR เป็น JPG ด้วย Python: คู่มือทีละขั้นตอน

pip install groupdocs-conversion-cloud

import groupdocs_conversion_cloud
from groupdocs_conversion_cloud import Configuration, ApiClient, ConversionApi
# Replace with your actual GroupDocs Conversion Cloud credentials
client_id = "YOUR_CLIENT_ID"
client_secret = "YOUR_CLIENT_SECRET"

config = Configuration()
config.client_id = client_id
config.client_secret = client_secret

api_client = ApiClient(config)
conversion_api = ConversionApi(api_client)

from groupdocs_conversion_cloud import FileInfo

input_file_path = "sample.rar"  # Archive containing images
file_info = FileInfo(file_path=input_file_path)

from groupdocs_conversion_cloud import JpgConvertOptions

jpg_options = JpgConvertOptions(
    quality=90,          # Quality range 0‑100
    # width=1024,        # Uncomment to resize width
    # height=768,        # Uncomment to resize height
)

from groupdocs_conversion_cloud import ConvertSettings

output_folder = "converted_images/"
convert_settings = ConvertSettings(
    file_info=file_info,
    format="jpg",
    output_path=output_folder,
    options=jpg_options,
)

from groupdocs_conversion_cloud import ConvertDocumentRequest

request = ConvertDocumentRequest(convert_settings)
conversion_result = conversion_api.convert_document(request)

print("Conversion completed. Generated files:")
for doc in conversion_result:
    print(f" - {doc.path}")

import os
download_api = groupdocs_conversion_cloud.StorageApi(api_client)

for doc in conversion_result:
    local_path = os.path.join("local_output", os.path.basename(doc.path))
    os.makedirs(os.path.dirname(local_path), exist_ok=True)
    download_request = groupdocs_conversion_cloud.DownloadFileRequest(
        path=doc.path,
        storage_name=None,
    )
    file_content = download_api.download_file(download_request)
    with open(local_path, "wb") as f:
        f.write(file_content)
    print(f"Downloaded {doc.path} to {local_path}")

import os
import sys
import groupdocs_conversion_cloud
from groupdocs_conversion_cloud import (
    Configuration,
    ApiClient,
    ConversionApi,
    ConvertDocumentRequest,
    ConvertSettings,
    FileInfo,
    JpgConvertOptions,
)

# -------------------- Configuration --------------------
# Replace with your actual GroupDocs Conversion Cloud credentials
client_id = "YOUR_CLIENT_ID"
client_secret = "YOUR_CLIENT_SECRET"

config = Configuration()
config.client_id = client_id
config.client_secret = client_secret

api_client = ApiClient(config)
conversion_api = ConversionApi(api_client)

# -------------------- Input / Output --------------------
# Input RAR file located in the default storage
input_file_path = "sample.rar"          # e.g., an archive containing images
# Output folder where JPG files will be saved (must end with a slash)
output_folder = "converted_images/"

# Ensure the output folder path ends with a slash for the API
if not output_folder.endswith("/"):
    output_folder += "/"

# -------------------- Conversion Settings --------------------
file_info = FileInfo(file_path=input_file_path)

# JPG conversion options – you can customize quality, page size, etc.
jpg_options = JpgConvertOptions(
    # Example: set quality to 90 (range 0‑100)
    quality=90,
    # Example: set width/height if you want to resize
    # width=1024,
    # height=768,
)

convert_settings = ConvertSettings(
    file_info=file_info,
    format="jpg",                # Target format
    output_path=output_folder,   # Destination folder in storage
    options=jpg_options,
    # storage_name can be omitted to use the default storage
)

# -------------------- Perform Conversion --------------------
try:
    request = ConvertDocumentRequest(convert_settings)
    conversion_result = conversion_api.convert_document(request)

# conversion_result is a list of ConvertedDocument objects
    print("Conversion completed. Generated files:")
    for doc in conversion_result:
        print(f" - {doc.path}")

except groupdocs_conversion_cloud.ApiException as e:
    print(f"API error: {e}")
    sys.exit(1)
except Exception as ex:
    print(f"Unexpected error: {ex}")
    sys.exit(1)

# -------------------- Optional: Download Result Files --------------------
# If you need to download the generated JPGs locally:
download_api = groupdocs_conversion_cloud.StorageApi(api_client)

for doc in conversion_result:
    local_path = os.path.join("local_output", os.path.basename(doc.path))
    os.makedirs(os.path.dirname(local_path), exist_ok=True)
    try:
        download_request = groupdocs_conversion_cloud.DownloadFileRequest(
            path=doc.path,
            storage_name=None,  # None = default storage
        )
        file_content = download_api.download_file(download_request)
        with open(local_path, "wb") as f:
            f.write(file_content)
        print(f"Downloaded {doc.path} to {local_path}")
    except Exception as dl_ex:
        print(f"Failed to download {doc.path}: {dl_ex}")

# -------------------- Cleanup --------------------
# No explicit cleanup required for the Cloud SDK; resources are managed by the service.

curl -X POST "https://api.groupdocs.cloud/v2.0/oauth/token" \
  -H "Content-Type: application/json" \
  -d '{"client_id":"YOUR_CLIENT_ID","client_secret":"YOUR_CLIENT_SECRET"}'

curl -X PUT "https://api.groupdocs.cloud/v2.0/storage/file/sample.rar" \
  -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
  -F "file=@/path/to/sample.rar"

curl -X POST "https://api.groupdocs.cloud/v2.0/conversion/convert" \
  -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
        "fileInfo": { "filePath": "sample.rar" },
        "outputPath": "converted_images/",
        "format": "jpg",
        "options": { "quality": 90 }
      }'

curl -X GET "https://api.groupdocs.cloud/v2.0/storage/file/converted_images/image1.jpg" \
  -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
  -o image1.jpg

jpg_options = JpgConvertOptions(quality=90)