IPTC tag extraction

1 files changed, 21 insertions, 0 deletions

diff --git a/bsie/reader/exif.py b/bsie/reader/exif.py
index 2d0428b..7ec7574 100644
--- a/bsie/reader/exif.py
+++ b/bsie/reader/exif.py
@@ -17,6 +17,7 @@ MATCH_RULE = 'mime=image/jpeg'
 # exports
 __all__: typing.Sequence[str] = (
     'Exif',
+    'Iptc',
     )
 
 
@@ -41,4 +42,24 @@ class Exif(base.Reader):
         except (TypeError, OSError, RuntimeError) as err:
             raise errors.ReaderError(path) from err
 
+
+class Iptc(base.Reader):
+    """Use pyexiv2 to read iptc metadata from image files."""
+
+    def __init__(self):
+        self._match = filematcher.parse(MATCH_RULE)
+
+    def __call__(self, path: str) -> dict:
+        # perform quick checks first
+        if not self._match(path):
+            raise errors.UnsupportedFileFormatError(path)
+
+        try:
+            # open the file
+            img = pyexiv2.Image(path)
+            # read metadata
+            return img.read_iptc()
+        except (TypeError, OSError, RuntimeError) as err:
+            raise errors.ReaderError(path) from err
+
 ## EOF ##