Added scripts to generate projects table

The projects tables tries to organize information about projects including the last commit date that helps evaluating how one project is being mantained.

parse.py

@@ -0,0 +1,94 @@
+
+
+import os
+import re
+import pandas as pd
+from threading import Thread
+
+from github import Github
+
+# using an access token
+g = Github(os.environ['GITHUB_ACCESS_TOKEN'])
+
+def extract_repo(url):
+  reu = re.compile('^https://github.com/([\w-]+/[\w-]+)$')
+  m = reu.match(url)
+  if m:
+    return m.group(1)
+  else:
+    return ''
+
+
+def get_last_commit(repo):
+  try:
+    if repo:
+      r = g.get_repo(repo)
+      cs = r.get_commits()
+      return cs[0].commit.author.date.strftime('%Y-%m-%d')
+    else:
+      return ''
+  except:
+    print('ERROR' + repo)
+    return 'error'
+
+
+class Project(Thread):
+
+  def __init__(self, match, section):
+    super().__init__()
+    self._match = match
+    self.regs = None
+    self._section = section
+
+  def run(self):
+    m = self._match
+    is_github = 'github.com' in m.group(2)
+    is_cran = 'cran.r-project.org' in m.group(2)
+    repo = extract_repo(m.group(2))
+    last_commit = get_last_commit(repo)
+    self.regs = dict(
+      project=m.group(1),
+      section=self._section,
+      last_commit=last_commit,
+      url=m.group(2),
+      description=m.group(3),
+      github=is_github,
+      cran=is_cran,
+      repo=repo
+    )
+
+
+projects = []
+
+with open('README.md', 'r', encoding='utf8') as f:
+  ret = re.compile('^(#+) (.*)$')
+  rex = re.compile('^\s*- \[(.*)\]\((.*)\) - (.*)$')
+  m_titles = []
+  last_head_level = 0
+  for line in f:
+    m = rex.match(line)
+    if m:
+      p = Project(m, ' > '.join(m_titles[1:]))
+      p.start()
+      projects.append(p)
+    else:
+      m = ret.match(line)
+      if m:
+        hrs = m.group(1)
+        if len(hrs) > last_head_level:
+          m_titles.append(m.group(2))
+        else:
+          for n in range(last_head_level - len(hrs) + 1):
+            m_titles.pop()
+          m_titles.append(m.group(2))
+        last_head_level = len(hrs)
+
+while True:
+  checks = [not p.is_alive() for p in projects]
+  if all(checks):
+    break
+
+projects = [p.regs for p in projects]
+df = pd.DataFrame(projects)
+df.to_csv('projects.csv', index=False)
+df.to_markdown('projects.md', index=False)