GourceGravatarExample.py

# -*- coding: utf-8 -*-
#
# Based on:
# https://code.google.com/p/gource/wiki/GravatarExample
# https://gist.github.com/macagua/5c2f5e4e38df92aae7fe
# 
# Usage with Gource: gource --user-image-dir .git/avatar/
# 
# Get list of authors + email with git log
# git log --format='%aN|%aE' | sort -u
#
# Get list of authors + email with hg log (todo)
# hg log --template 'author: {author}\n'
#

import requests
import getpass
import os
import subprocess
import hashlib
from time import sleep
import sys

username = ""
password = ""


def md5_hex(text):
  m = hashlib.md5()
  m.update(text.encode('ascii', errors='ignore'))
  return m.hexdigest()


def get_data(api_request):
  global username
  global password

  r = requests.get(api_request, auth=(username, password))
  data = r.json()

  if "message" in data.keys():
    # Countdown
    # http://stackoverflow.com/questions/3249524/print-in-one-line-dynamically-python
    for k in range(1, 60 * 15):
      remaining = 60 * 15 - k
      sys.stdout.write("\r%d seconds remaining   " % remaining)
      sys.stdout.flush()
      sleep(1)
    sys.stdout.write("\n")
    # Another request
    r = requests.get(api_request, auth=(username, password))
    data = r.json()
  else:
    pass

  # Return data
  return data

if __name__ == "__main__":
  global username
  global password

  # Clear screen
  os.system('cls' if os.name == 'nt' else 'clear')

  # Login to the GitHub API
  username = raw_input("Enter your GitHub username: ")
  password = getpass.getpass("Enter yor GitHub password: ")

  # Configure the path of the git project
  projectpath = "/Users/massimo/Documents/FabAcademy2015/FabAcademy2015-Opendot"
  gitpath = os.path.join(projectpath, '.git')
  output_dir = os.path.join(gitpath, 'avatar')

  # Create the folder for storing the images. It's in the .git folder, so it won't be tracked by git
  if not os.path.exists(output_dir):
    os.makedirs(output_dir)

  # Get the authors from the git log
  gitlog = subprocess.check_output(
      ['git', 'log', '--pretty=format:%ae|%an'], cwd=projectpath)
  authors = set(gitlog.decode('ascii', errors='ignore').splitlines())
  print ""
  print "USERS:"
  print(authors)

  # Check each author
  for author in authors:
    # Get e-mail and name from log
    email, name = author.split('|')
    print ""
    print "Checking", name, email
    # Try to find the user on GitHub with the e-mail
    api_request = "https://api.github.com/search/users?utf8=%E2%9C%93&q=" + \
        email + "+in%3Aemail&type=Users"
    data = get_data(api_request)

    # Check if the user was found
    if "items" in data.keys():
      if len(data["items"]) == 1:
        url = data["items"][0]["avatar_url"]
        print "Avatar url:", url
      else:
        # Try to find the user on GitHub with the name
        api_request = "https://api.github.com/search/users?utf8=%E2%9C%93&q=" + \
            name + "+in%3Aname&type=Users"
        data = get_data(api_request)

        # Check if the user was found
        if "items" in data.keys():
          if len(data["items"]) == 1:
            url = data["items"][0]["avatar_url"]
            print "Avatar url:", url
          # Eventually try to find the user with Gravatar
          else:
            url = "http://www.gravatar.com/avatar/" + \
                md5_hex(email) + "?d=identicon&s=" + str(90)
            print "Avatar url:", url

    # Finally retrieve the image
    try:
      output_file = os.path.join(output_dir, name + '.png')
      if not os.path.exists(output_file):
        r = requests.get(url)
        if r.ok:
          with open(output_file, 'wb') as img:
            img.write(r.content)
    except:
      print "There was an error with", name, email

requeriments.txt

requests

Couldn't figure out hot to install requests and the script seams hard coded to your Windows home folder, and written for an older version of Python, so ported this to PHP instead.

https://gist.github.com/AJenbo/544aaf50bf691975d6d38b72e0a6ab21