1st version

.gitignore

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+# ---> Vim
+[._]*.s[a-w][a-z]
+[._]s[a-w][a-z]
+*.un~
+Session.vim
+.netrwhist
+*~
+
+
+
+# ---> Pelican
+output/
+
+# ---> Python
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*,cover
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+

__init__.py

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+from pelican import signals
+
+from . import j2filters
+
+import datetime
+
+def add_filter(pelican):
+	"""Add date filter to Pelican."""
+	pelican.env.filters.update({'date': j2filters.j2filter_date})
+	pelican.env.filters.update({'date_from_to': j2filters.j2filter_date_from_to})
+	pelican.env.filters.update({'date_from_to_long': j2filters.j2filter_date_from_to_long})
+
+def register():
+	"""Plugin registration."""
+	signals.generator_init.connect(add_filter)
+

j2filters.py

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+def j2filter_date(dt, frmt):
+	return dt.strftime(frmt)
+
+
+def j2filter_date_from_to(dts, dte):
+	if dts.year != dte.year:
+		out = dts.strftime("%d.%m.%Y")
+	elif dts.month != dte.month:
+		out = dts.strftime("%d.%m.")
+	else:
+		out = dts.strftime("%d.")
+
+	return out + " - " + dte.strftime("%d.%m.%Y")
+
+
+def j2filter_date_from_to_long(dts, dte):
+	if dts.year != dte.year:
+		out = dts.strftime("%d. %B %Y")
+	elif dts.month != dte.month:
+		out = dts.strftime("%d. %B")
+	else:
+		out = dts.strftime("%d.")
+
+	return out + " - " + dte.strftime("%d. %B %Y")
+