tplp-planning-benchmark/benchmark-new/benchmark_repository.py

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#!/usr/bin/python3
import math
import os
import pygit2
import shutil
import sys
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import time
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def printProgressBar(title, value, total, overwrite = False):
terminalSize = shutil.get_terminal_size((80, 20))
progress = value / total if total > 0 else 1
progressText = "{: >3d} %".format(math.floor(progress * 100))
remainingWidth = terminalSize.columns - len(title) - len(progressText) - 4
progressBarWidth = min(remainingWidth, 94)
blankWidth = remainingWidth - progressBarWidth
filledWidth = math.floor(progressBarWidth * progress)
progressBar = "#" * filledWidth + "-" * (progressBarWidth - filledWidth)
if overwrite:
print("\x1b[1A\x1b[2K", end = "")
print("{} {}[{}] {}".format(title, " " * blankWidth, progressBar, progressText))
def printCloneProgress(transferProgress):
printProgressBar("Cloning the repository", transferProgress.received_objects, transferProgress.total_objects, overwrite = True)
def printFetchProgress(transferProgress):
printProgressBar("Updating the repository", transferProgress.received_objects, transferProgress.total_objects, overwrite = True)
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def printPushProgress(transferProgress):
printProgressBar("Pushing changes to the repository", transferProgress.received_objects, transferProgress.total_objects, overwrite = True)
def checkPushAccepted(refname, message):
if message is not None:
raise Exception("couldnt push {} to the remote: {}".format(refname, message))
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class BenchmarkRepository:
def __init__(self, config):
self.basePath = config["basePath"]
self.remote = config["remote"]
self.remoteUser = config["remoteUser"]
self.userName = config["userName"]
self.userEMail = config["userEMail"]
self.userSigningKey = config["userSigningKey"] if "userSigningKey" in config else None
self.branches = config["branches"] if "branches" in config else {"master": "master", "results": "results", "config": "config", "status": "status"}
self.statusLogSize = config["statusLogSize"]
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self.worktrees = {}
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remoteUser = pygit2.credentials.KeypairFromAgent(self.remoteUser)
callbacks = pygit2.RemoteCallbacks(credentials = remoteUser)
# check for an existing repository
if os.path.isdir(self.branchDir("master")):
repositoryPath = pygit2.discover_repository(self.branchDir("master"))
if repositoryPath is None:
raise Exception("{} exists but is not a Git directory".format(self.branchDir("master")))
callbacks.transfer_progress = printFetchProgress
self.repository = pygit2.Repository(repositoryPath)
for remote in self.repository.remotes:
printProgressBar("Updating the repository", 0, 1)
remote.fetch(callbacks = callbacks)
printProgressBar("Updating the repository", 1, 1, overwrite = True)
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self.forceUpdateBranch("master", self.repository)
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try:
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for branchName in ["results", "config", "status"]:
print("Updating branch {}".format(branchName))
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worktree = pygit2.Repository(self.repository.lookup_worktree(branchName).path)
self.worktrees[branchName] = worktree
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self.forceUpdateBranch(branchName, worktree)
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except pygit2.GitError:
raise Exception("Worktrees are not properly set up")
else:
callbacks.transfer_progress = printCloneProgress
printProgressBar("Cloning the repository", 0, 1)
self.repository = pygit2.clone_repository(self.remote, self.branchDir("master"), callbacks = callbacks, checkout_branch = self.branches["master"])
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self.repository = pygit2.Repository(self.repository.path)
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printProgressBar("Cloning the repository", 1, 1, overwrite = True)
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for branchName in ["results", "config", "status"]:
print("Preparing branch {}".format(branchName))
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worktree = pygit2.Repository(self.repository.add_worktree(branchName, self.branchDir(branchName)).path)
self.worktrees[branchName] = worktree
remoteReference = worktree.lookup_reference(self.remoteBranchReference(branchName))
localReference = worktree.create_reference(self.localBranchReference(branchName), remoteReference.resolve().target)
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self.forceUpdateBranch(branchName, worktree)
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def path(self, branchName, path):
return os.path.join(self.branchDir(branchName), path)
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def branchDir(self, branchName):
return os.path.join(self.basePath, branchName)
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def localBranchReference(self, branchName):
return "refs/heads/{}".format(branchName)
def remoteBranchReference(self, branchName):
return "refs/remotes/origin/{}".format(self.branches[branchName])
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def forceUpdateBranch(self, branchName, worktree):
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remoteReference = worktree.lookup_reference(self.remoteBranchReference(branchName))
localReference = worktree.lookup_reference(self.localBranchReference(branchName))
localReference.set_target(remoteReference.resolve().target)
worktree.checkout(self.localBranchReference(branchName), strategy = pygit2.GIT_CHECKOUT_FORCE | pygit2.GIT_CHECKOUT_RECREATE_MISSING)
def commit(self, branchName, message, files):
worktree = self.worktrees[branchName]
index = worktree.index
for file in files:
index.add(file)
tree = index.write_tree()
author = pygit2.Signature(self.userName, self.userEMail)
worktree.create_commit(self.localBranchReference(branchName), author, author, message, tree, [worktree.head.peel().hex])
def push(self, branchName):
printProgressBar("Pushing changes to the repository", 0, 1)
remoteUser = pygit2.credentials.KeypairFromAgent(self.remoteUser)
callbacks = pygit2.RemoteCallbacks(credentials = remoteUser)
callbacks.transfer_progress = printPushProgress
callbacks.push_update_reference = checkPushAccepted
self.repository.remotes["origin"].push(["+{}:{}".format(self.localBranchReference(branchName), "refs/heads/{}".format(self.branches[branchName]))], callbacks = callbacks)
printProgressBar("Pushing changes to the repository", 1, 1, overwrite = True)
def writeStatus(self, message):
statusFilePath = self.path("status", "status.log")
if os.path.exists(statusFilePath):
with open(statusFilePath, "r") as statusFile:
# add the previous status messages, but trancate them
content = statusFile.readlines()[0:(self.statusLogSize - 1)]
else:
content = ""
with open(statusFilePath, "w") as statusFile:
print("{}\t{}\n{}".format(time.strftime("%Y-%m-%d %H:%M:%S %z"), message, "".join(content)), file = statusFile, end = "")
self.commit("status", "test status", ["status.log"])
self.push("status")