Python SentinelAPI.download方法代码示例

# 需要导入模块: from sentinelsat.sentinel import SentinelAPI [as 别名]
# 或者: from sentinelsat.sentinel.SentinelAPI import download [as 别名]
def download_scene(scene):
    """Download a scene and change its status """
    from sentinelsat.sentinel import SentinelAPI
    from django.conf import settings

    path = join(settings.MEDIA_ROOT, scene.sat, scene.identifier)
    check_create_folder(path)

    try:
        api = SentinelAPI(
            settings.SENTINEL_USER,
            settings.SENTINEL_PASSWORD,
            settings.SENTINEL_API_URL
        )
    except AttributeError:
        api = SentinelAPI(settings.SENTINEL_USER, settings.SENTINEL_PASSWORD)
    try:
        print('Changing status of scene %s to downloading' % scene.identifier)
        scene.change_status('downloading')
        print('Starting download of product %s on path %s' %
              (scene.product, path))
        api.download(scene.product, path)
        print('Changing status of scene %s to downloaded' % scene.identifier)
        scene.change_status('downloaded')
    except Exception as exp:
        print('Unexpected error: %s' % exp)
        print('Changing status of scene %s to dl_failed' % scene.identifier)
        scene.change_status('dl_failed')

# 需要导入模块: from sentinelsat.sentinel import SentinelAPI [as 别名]
# 或者: from sentinelsat.sentinel.SentinelAPI import download [as 别名]
def download(user, password, productid, path, md5, url):
    """Download a Sentinel Product. It just needs your SciHub user and password
    and the id of the product you want to download.
    """
    api = SentinelAPI(user, password, url)
    try:
        api.download(productid, path, md5)
    except SentinelAPIError as e:
        if 'Invalid key' in e.msg:
            logger.error('No product with ID \'%s\' exists on server', productid)
        else:
            raise

# 需要导入模块: from sentinelsat.sentinel import SentinelAPI [as 别名]
# 或者: from sentinelsat.sentinel.SentinelAPI import download [as 别名]
def test_download(tmpdir):
    api = SentinelAPI(**_api_auth)
    uuid = "1f62a176-c980-41dc-b3a1-c735d660c910"
    filename = "S1A_WV_OCN__2SSH_20150603T092625_20150603T093332_006207_008194_521E"
    expected_path = tmpdir.join(filename + ".zip")

    # Download normally
    path, product_info = api.download(uuid, str(tmpdir), checksum=True)
    assert expected_path.samefile(path)
    assert product_info["id"] == uuid
    assert product_info["title"] == filename
    assert product_info["size"] == expected_path.size()

    hash = expected_path.computehash()
    modification_time = expected_path.mtime()
    expected_product_info = product_info

    # File exists, test with checksum
    # Expect no modification
    path, product_info = api.download(uuid, str(tmpdir), check_existing=True)
    assert expected_path.mtime() == modification_time
    assert product_info == expected_product_info

    # File exists, test without checksum
    # Expect no modification
    path, product_info = api.download(uuid, str(tmpdir), check_existing=False)
    assert expected_path.mtime() == modification_time
    assert product_info == expected_product_info

    # Create invalid file, expect re-download
    with expected_path.open("wb") as f:
        f.seek(expected_product_info["size"] - 1)
        f.write(b'\0')
    assert expected_path.computehash("md5") != hash
    path, product_info = api.download(uuid, str(tmpdir), check_existing=True)
    assert expected_path.computehash("md5") == hash
    assert product_info == expected_product_info

    # Test continue
    with expected_path.open("rb") as f:
        content = f.read()
    with expected_path.open("wb") as f:
        f.write(content[:100])
    assert expected_path.computehash("md5") != hash
    path, product_info = api.download(uuid, str(tmpdir), check_existing=True)
    assert expected_path.computehash("md5") == hash
    assert product_info == expected_product_info

    # Test MD5 check
    with expected_path.open("wb") as f:
        f.write(b'abcd' * 100)
    assert expected_path.computehash("md5") != hash
    with pytest.raises(InvalidChecksumError):
        api.download(uuid, str(tmpdir), check_existing=True, checksum=True)

# 需要导入模块: from sentinelsat.sentinel import SentinelAPI [as 别名]
# 或者: from sentinelsat.sentinel.SentinelAPI import download [as 别名]
def download(user, password, productid, path):
    """Download a Sentinel-1 Product. It just needs your SciHub user and password
    and the id of the product you want to download.
    """
    api = SentinelAPI(user, password)
    api.download(productid, path)