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@@ -13,10 +13,18 @@
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# See the License for the specific language governing permissions and
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# limitations under the License.
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-from ._base import Config
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+from ._base import Config, ConfigError
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from collections import namedtuple
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-import sys
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+
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+MISSING_NETADDR = (
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+ "Missing netaddr library. This is required for URL preview API."
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+)
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+
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+MISSING_LXML = (
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+ "Missing lxml library. This is required for URL preview API."
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+)
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+
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ThumbnailRequirement = namedtuple(
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"ThumbnailRequirement", ["width", "height", "method", "media_type"]
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@@ -62,18 +70,28 @@ class ContentRepositoryConfig(Config):
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self.thumbnail_requirements = parse_thumbnail_requirements(
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config["thumbnail_sizes"]
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)
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- self.url_preview_enabled = config["url_preview_enabled"]
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+ self.url_preview_enabled = config.get("url_preview_enabled", False)
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if self.url_preview_enabled:
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+ try:
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+ import lxml
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+ lxml # To stop unused lint.
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+ except ImportError:
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+ raise ConfigError(MISSING_LXML)
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+
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try:
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from netaddr import IPSet
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- if "url_preview_ip_range_blacklist" in config:
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- self.url_preview_ip_range_blacklist = IPSet(
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- config["url_preview_ip_range_blacklist"]
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- )
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- if "url_preview_url_blacklist" in config:
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- self.url_preview_url_blacklist = config["url_preview_url_blacklist"]
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except ImportError:
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- sys.stderr.write("\nmissing netaddr dep - disabling preview_url API\n")
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+ raise ConfigError(MISSING_NETADDR)
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+
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+ if "url_preview_ip_range_blacklist" in config:
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+ self.url_preview_ip_range_blacklist = IPSet(
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+ config["url_preview_ip_range_blacklist"]
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+ )
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+ else:
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+ raise ConfigError("url_preview_url_blacklist is required")
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+
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+ if "url_preview_url_blacklist" in config:
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+ self.url_preview_url_blacklist = config["url_preview_url_blacklist"]
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def default_config(self, **kwargs):
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media_store = self.default_path("media_store")
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