a simple script to query package maintainer

who_maintain.py

+#!/usr/bin/python3
+"""
+This is a simple script to query that contact person for specific package
+"""
+
+import urllib
+import urllib.request
+import argparse
+import yaml
+import re
+
+# Useful default setting
+headers = {'User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW 64; rv:23.0) Gecko/20100101 Firefox/23.0'}
+# known important information
+sigs_url = "https://gitee.com/openeuler/community/raw/master/sig/sigs.yaml"
+sigs_owner_url_template = "https://gitee.com/openeuler/community/raw/master/sig/{signame}/OWNERS"
+specfile_url_template = "https://gitee.com/src-openeuler/{package}/raw/master/{specfile}"
+specfile_exception_url = "https://gitee.com/shinwell_hu/openEuler-Advisor/raw/master/helper/specfile_exceptions.yaml"
+
+
+def get_gitee(url):
+    req = urllib.request.Request(url=url, headers=headers)
+    u = urllib.request.urlopen(req)
+    return u.read().decode("utf-8")
+
+
+def get_sigs():
+    req = urllib.request.Request(url=sigs_url, headers=headers)
+    u = urllib.request.urlopen(req)
+    sigs = yaml.load(u.read().decode("utf-8"), Loader=yaml.Loader)
+    return sigs
+
+
+def get_spec(pkg, specfile):
+    url = specfile_url.template.format(package=pkg, specfile=specfile)
+    req = urllib.request.Request(url=url, headers=headers)
+    u = urllib.request.urlopen(req)
+    return u.read().decode("utf-8")
+
+
+def get_spec_exception():
+    req = urllib.request.Request(url=specfile_exception_url, headers=headers)
+    u = urllib.request.urlopen(req)
+    exps = yaml.load(u.read().decode("utf-8"), Loader=yaml.Loader)
+    return exps
+
+
+def get_manager_sig(pkg):
+    sis_load = get_sigs()
+    for sig in sis_load["sigs"]:
+        for repo in sig["repositories"]:
+            if repo == "src-openeuler/"+pkg:
+                return sig["name"]
+ 
+
+def get_sig_owners(sig_name):
+    url = sigs_owner_url_template.format(signame=sig_name)
+    r = get_gitee(url)
+    owners = yaml.load(r, Loader=yaml.Loader)
+    return owners["maintainers"]
+
+
+if __name__ == "__main__":
+
+    parser = argparse.ArgumentParser()
+    parser.add_argument("pkg", type=str, help="The Package to be Queried")
+    args = parser.parse_args()
+
+    s = get_manager_sig(args.pkg)
+    o = get_sig_owners(s)
+    print("SIG Owner:")
+    for owner in o:
+        print("\t"+owner)
+
+    exp = get_spec_exception()
+    if args.pkg in exp:
+        dir_name = exp[args.pkg]["dir"]
+        file_name = exp[args.pkg]["file"]
+        specurl = specfile_url_template.format(package=args.pkg, specfile=dir_name + "/" + file_name)
+    else:
+        specurl = specfile_url_template.format(package=args.pkg, specfile=args.pkg+".spec")
+
+    spec = get_gitee(specurl)
+
+    in_changelog = False
+    emails = set()
+    for line in spec.splitlines():
+        if line.startswith("%changelog"):
+            in_changelog = True
+        if line.startswith("*") and in_changelog:
+            m = re.match(".*\d\d\d\d (.*) .*", line)
+            if m is None:
+                emails.add(line)
+            else:
+                n = m[1].split("<")
+                if len(n) == 1: 
+                    emails.add(n[0])
+                else:
+                    emails.add(n[0].strip() + " <" + n[1].strip())
+
+    print("Package Contributor:")
+    for email in emails:
+        print("\t"+email)