2 files changed, 63 insertions, 0 deletions
diff --git a/src/ee/fact/__init__.py b/src/ee/fact/__init__.py
new file mode 100644
index 0000000..5c6d789
--- /dev/null
+++ b/src/ee/fact/__init__.py
@@ -0,0 +1,49 @@
+class Fact(object):
+    def __init__(self, kind):
+        self._kind = kind
+        self._domains = {}
+
+    @property
+    def kind() -> str:
+        return self._kind
+
+    def attr(self, domain: str, key: str):
+        try:
+            return self._domains[domain][key]
+        except KeyError:
+            pass
+
+    def set(self, domain: str, key: str, value: str):
+        _kv(domain)[key] = value
+
+    def _kv(self, domain: str):
+        try:
+            kv = self._domains[domain]
+        except KeyError:
+            kv = {}
+            self._domains[domain] = kv
+
+        return kv
+
+    def view(self, domain: str):
+        return FactKv(self, domain, self._kv(domain))
+
+    def write(self, output):
+        import configparser
+        ini = configparser.ConfigParser(interpolation = None)
+        for domain, kv in self._domains.items():
+            ini.add_section(domain)
+            for key, value in kv.items():
+                ini.set(domain, key, value)
+
+        ini.write(output)
+
+
+class FactKv(object):
+    def __init__(self, fact, domain, kv):
+        self._fact = fact
+        self._domain = domain
+        self._kv = kv
+
+    def set(self, key, value):
+        self._kv[key] = value
diff --git a/src/ee/fact/doit.py b/src/ee/fact/doit.py
new file mode 100644
index 0000000..f922cf1
--- /dev/null
+++ b/src/ee/fact/doit.py
@@ -0,0 +1,14 @@
+
+
+def uptodate_if_isdir(path):
+    def do_check():
+        return os.path.isdir(path)
+    return do_check
+
+def uptodate_if_older_than(dependency, *targets):
+    def do_check():
+        dep_mtime = os.stat(dependency).st_mtime
+        mtimes = [os.stat(t).st_mtime for t in targets if os.path.isfile(t)]
+        target_mtime = max(mtimes) if mtimes else 0
+        return dep_mtime < target_mtime
+    return do_check