add update.py that takes a folder with yaml-md-files as argument

src/provider/update.py

@@ -0,0 +1,107 @@
+#!/usr/bin/env python3
+# if the yaml import fails, run "pip install pyyaml"
+
+import sys
+import os
+import yaml
+
+out_all = ""
+out_domains = ""
+count = 1
+
+
+def cleanstr(s):
+    s = s.strip()
+    s = s.replace("\n", " ")
+    s = s.replace("\\", "\\\\")
+    s = s.replace("\"", "\\\"")
+    return s
+
+
+def file2url(f):
+    f = f[f.rindex("/")+1:]
+    f = f.replace(".md", "")
+    f = f.replace(".", "-")
+    return "https://providers.delta.chat/" + f
+
+
+def process_data(data, file):
+    global out_all, out_domains, count
+    status = data.get("state", "")
+    out_provider = "    static ref P" + str(count) + ": Provider = Provider {\n"
+    if status == "OK" or status == "PREPARATION" or status == "BROKEN":
+        out_provider += "        status: Status::" + status + ",\n"
+    else:
+        print("ERROR: bad state")
+        return
+
+    comment = ""
+    if not "domains" in data:
+        print("ERROR: no domains found")
+        return
+    for domain in data["domains"]:
+        out_domains += "        (\"" + domain + "\", &*P" + str(count) + "),\n"
+        comment += domain + ", "
+
+    out_server = ""
+    if "server" in data:
+        for s in data["server"]:
+            hostname = cleanstr(s.get("hostname", ""))
+            port = int(s.get("port", ""))
+            if hostname == "" or hostname.count(".") < 1 or port <= 0:
+                print("ERROR: bad hostname or port")
+                return
+            out_server += "            Server {"
+            out_server += " protocol: " + s.get("type", "<bad type>").upper() + ","
+            out_server += " socket: " + s.get("socket", "<bad socket>").upper() + ","
+            out_server += " hostname: \"" + hostname + "\","
+            out_server += " port: " + str(port) + ","
+            out_server += " username_pattern: " + s.get("username_pattern", "EMAIL").upper()
+            out_server += " }\n"
+
+    out_provider += "        before_login_hint: \"" + cleanstr(data.get("before_login_hint", "")) + "\",\n"
+    out_provider += "        after_login_hint: \"" + cleanstr(data.get("after_login_hint", "")) + "\",\n"
+    out_provider += "        overview_page: \"" + file2url(file) + "\",\n"
+    out_provider += "        server: vec![\n" + out_server + "        ],\n"
+    out_provider += "    };\n\n"
+
+    out_all += "    // " + comment.strip(", ") + "\n" + out_provider
+
+
+def process_file(file):
+    global count
+    print("processing file: " + file)
+    with open(file) as f:
+        # load_all() loads "---"-separated yamls -
+        # by coincidence, this is also the frontmatter separator :)
+        data = next(yaml.load_all(f, Loader=yaml.SafeLoader))
+        process_data(data, file)
+        count += 1
+
+
+def process_dir(dir):
+    print("processing directory: " + dir)
+    files = [f for f in os.listdir(dir) if f.endswith(".md")]
+    for f in files:
+        process_file(os.path.join(dir, f))
+
+
+if __name__ == "__main__":
+    if len(sys.argv) < 2:
+        raise SystemExit("need argument: path to dir with md/yaml files")
+
+    out_all = ("// file generated by src/provider/update.py\n\n"
+    "use crate::provider::*;\n"
+    "use crate::provider::Protocol::*;\n"
+    "use crate::provider::Socket::*;\n"
+    "use crate::provider::UsernamePattern::*;\n"
+    "use std::collections::HashMap;\n\n"
+    "lazy_static::lazy_static! {\n\n")
+
+    process_dir(sys.argv[1])
+
+    out_all += "    pub static ref PROVIDER_DATA: HashMap<&'static str, &'static Provider> = [\n"
+    out_all += out_domains;
+    out_all += "    ].iter().copied().collect();\n}\n"
+
+    print(out_all)