git.py

import sys;'qgb.U' in sys.modules or sys.path.append('C:/qgb/');from qgb import *
import dulwich
import dulwich.client
from dulwich.repo import Repo
from dulwich import index

import os
import shutil

def clone(url,path=None):
	client, target = dulwich.client.get_transport_and_path(url) #c , 'user/repo'
	if not path:
		if target.endswith('.git'):
			target=target[:-4]
		path=target
	path=F.mkdir(path)
	ls=F.ls(path)
	if len(ls)>1: #skip .git
		return py.No('Not empty dir:'+path,ls)
	if len(ls)==1:
		r = Repo(path)
	else:	
		r = Repo.init(path)
	print(U.stime(),'fetching url...')
	remote_refs = client.fetch(url, r)
	r[b"HEAD"] = remote_refs[b"HEAD"]

	print(U.stime(),'build_index_from_tree ...')
	index.build_index_from_tree(r.path, r.index_path(), r.object_store, r[b'HEAD'].tree)
	
	r.close()
	return path,r

def up(url,path=None,commit_msg=None,name='QGB',email='qgbcs1@gmail.com'):
	if not path:
		client, target = dulwich.client.get_transport_and_path(url) 
		if target.endswith('.git'):
			target=target[:-4]
		path=target
	path=F.auto_path(path)
	ls=F.ls(path)
	if len(ls) < 1:
		return py.No('Not contains .git dir:'+path,ls)
	repo=dulwich.repo.Repo(path)
	repo.stage(['a']) 
	if not commit_msg:
		commit_msg='dulwich_'+U.stime()
	if not py.isbytes(commit_msg):
		commit_msg=commit_msg.encode('utf-8')
	# cid=repo.do_commit(message=b"dulwic")	
	author = "{0} <{1}>".format(name, email)
	author=author.encode('utf-8')
	
	bhash=repo.do_commit(message=commit_msg
				  , author=author
				  , committer=author 
				  , merge_heads=None
					  )
	return bhash,dulwich.porcelain.push(repo.path, url , 'master',)  
	# porcelain.push(repo.repo.path, result.url, branch_name, errstream=outstream)