Rename DCC project into RAM

RAM: Railroad Assets Manager

ram/ram/utils.py

@@ -0,0 +1,37 @@
+import os
+import subprocess
+
+from django.utils.html import format_html
+from django.utils.text import slugify as django_slugify
+
+
+def git_suffix(fname):
+    """
+    :returns: `<short git hash>` if Git repository found
+    """
+    try:
+        gh = subprocess.check_output(
+            ['git', 'rev-parse', '--short', 'HEAD'],
+            stderr=open(os.devnull, 'w')).strip()
+        gh = "-git" + gh.decode() if gh else ''
+    except Exception:
+        # trapping everything on purpose; git may not be installed or it
+        # may not work properly
+        gh = ''
+
+    return gh
+
+
+def get_image_preview(url):
+    return format_html(
+        '<img src="%s" style="max-width: 150px; max-height: 150px;'
+        'background-color: #eee;" />' % url
+    )
+
+
+def slugify(string, custom_separator=None):
+    # Make slug 'flat', both '-' and '_' are replaced with '-'
+    string = django_slugify(string).replace("_", "-")
+    if custom_separator is not None:
+        string = string.replace("-", custom_separator)
+    return string