From d27812adc119d089a348aef326256e2971bb2b89 Mon Sep 17 00:00:00 2001
From: Kévin Le Gouguec <kevin.legouguec@gmail.com>
Date: Sat, 9 Jul 2022 16:17:37 +0200
Subject: Add support for overriding thumbnail positioning

---
 build-concerts.py | 16 +++++++++++++---
 concerts.in       |  1 +
 en/concerts.in    |  1 +
 helpers.py        | 12 +++++++++++-
 4 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/build-concerts.py b/build-concerts.py
index ed37864..e1acfde 100755
--- a/build-concerts.py
+++ b/build-concerts.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 
+from collections import OrderedDict
 from datetime import datetime
 from pathlib import Path
 from sys import argv
@@ -45,7 +46,7 @@ THUMBNAILS_TEMPLATE = '''\
 THUMBNAIL_TEMPLATE = '''\
     <div class="{eventclasses}">
       <a class="thumbnail" href="#{eventid}">
-        <img src="{pic_file}" alt="{pic_alt}">
+        <img {pic_attributes}>
         <p class="summary">
           {summary}
         </p>
@@ -88,11 +89,20 @@ def format_thumbnail(concert, imgdir, lang):
 
     alt_prefix = LOCALIZED_TEXT[lang]['alt']
 
+    pic_attributes = OrderedDict((
+        ('src', Path(imgdir, 'concerts', concert.illustration.file)),
+        ('alt', f'{alt_prefix} {concert.illustration.alt_text}'),
+        ('style', concert.illustration.style),
+    ))
+
     return THUMBNAIL_TEMPLATE.format_map({
         'eventclasses': ' '.join(eventclasses),
         'eventid': f'concert-{concert.time.strftime("%F")}',
-        'pic_file': Path(imgdir, 'concerts', concert.illustration.file),
-        'pic_alt': f'{alt_prefix} {concert.illustration.alt_text}',
+        'pic_attributes': ' '.join(
+            f'{key}="{value}"'
+            for key, value in pic_attributes.items()
+            if value is not None
+        ),
         'summary': summary,
         'credits': format_credits(concert.illustration)
     })
diff --git a/concerts.in b/concerts.in
index 14d4c32..bf34a6a 100644
--- a/concerts.in
+++ b/concerts.in
@@ -257,3 +257,4 @@ légende : Plage et falaise des Petites Dalles
 source : Superjuju10
 lien : https://commons.wikimedia.org/wiki/File:Les_Petites_Dalles_03.jpg
 licence : CC BY-SA 3.0
+position : 50% 35%
diff --git a/en/concerts.in b/en/concerts.in
index d066472..3e6c318 100644
--- a/en/concerts.in
+++ b/en/concerts.in
@@ -257,3 +257,4 @@ légende : Beach and cliff of the Petites Dalles
 source : Superjuju10
 lien : https://commons.wikimedia.org/wiki/File:Les_Petites_Dalles_03.jpg
 licence : CC BY-SA 3.0
+position : 50% 35%
diff --git a/helpers.py b/helpers.py
index fed585b..ab93699 100644
--- a/helpers.py
+++ b/helpers.py
@@ -68,6 +68,7 @@ class Illustration:
     source_name: str
     source_link: Optional[str]
     license_info: Optional[LicenseInfo]
+    position: Optional[str]
 
     @classmethod
     def deserialize(cls, d):
@@ -75,7 +76,15 @@ class Illustration:
                    d['pic_alt'],
                    d['pic_src'],
                    d['pic_link'],
-                   LicenseInfo.deserialize(d['pic_license']))
+                   LicenseInfo.deserialize(d['pic_license']),
+                   d['pic_position'])
+
+    @property
+    def style(self):
+        if self.position is None:
+            return None
+
+        return f'object-position: {self.position}'
 
 
 @dataclass
@@ -120,6 +129,7 @@ _CONCERT_LINES = (
     r'source : (?P<pic_src>[^\n]+)\n',
     _optional(r'lien : (?P<pic_link>[^\n]+)\n'),
     _optional(r'licence : (?P<pic_license>[^\n]+)\n'),
+    _optional(r'position : (?P<pic_position>[^\n]+)\n'),
     _optional(r'AVERTISSEMENT : (?P<warning>[^\n]+)\n'),
 )
 
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