Automate things (#117)

This pull requests contains the basic automation scripts as described in `ISSUE_TEMPLATES/README.md`.

Feps needed to be changed to continue links to their tracking issues.

- [x] Description of how to best merge a pull request still missing
- [x] Rename folder ISSUE_TEMPLATES to something better.

Co-authored-by: Helge <helge.krueger@gmail.com>
Reviewed-on: https://codeberg.org/fediverse/fep/pulls/117

scripts/tools/__init__.py

@@ -0,0 +1,75 @@
+import glob
+
+
+def get_fep_ids():
+    for fep in glob.glob("fep/*"):
+        yield fep.removeprefix("fep/")
+
+
+class FepFile:
+    def __init__(self, fep):
+        self.fep = fep
+        with open(self.filename) as f:
+            self.frontmatter, self.content = FepFile.parsefile(f)
+
+    @property
+    def filename(self):
+        return f"fep/{self.fep}/fep-{self.fep}.md"
+
+    @property
+    def summary(self):
+        result = []
+        is_summary = False
+        for x in self.content:
+            if is_summary:
+                if x.startswith("##"):
+                    return "\n".join(result)
+                result.append(x)
+            elif x == "## Summary":
+                is_summary = True
+
+    def write(self):
+        with open(self.filename, "w") as f:
+            f.write("---\n")
+            for x in self.frontmatter:
+                f.write(x + "\n")
+            f.write("---\n")
+            for x in self.content:
+                f.write(x + "\n")
+
+    @property
+    def parsed_frontmatter(self):
+        split = [x.split(":", 1) for x in self.frontmatter]
+        return {a: b.strip() for a, b in split}
+
+    @property
+    def title(self):
+        titles = [x for x in self.content if x.startswith("# ")]
+        assert len(titles) > 0
+
+        title = titles[0]
+
+        begin_title = f"# FEP-{self.fep}: "
+
+        assert title.startswith(begin_title)
+        true_title = title.removeprefix(begin_title)
+
+        return true_title
+
+    @staticmethod
+    def parsefile(f):
+        lines = f.readlines()
+
+        status = 0
+        frontmatter = []
+        content = []
+
+        for line in lines:
+            if line == "---\n" and status <= 2:
+                status += 1
+            elif status == 1:
+                frontmatter.append(line.removesuffix("\n"))
+            elif status >= 2:
+                content.append(line.removesuffix("\n"))
+
+        return frontmatter, content