import os.path
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## To Do
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# - Breaking Changes
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# - Merge Commits
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# - Error Handling
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def getSeparatedGitLog(repo):
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try:
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stream = os.popen("git -C {} log --format=%B--SEP--%H--SEP--%d--END--".format(repo))
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except:
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raise ValueError("Not a valid git-repository!")
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else:
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gitLog = stream.read()
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commitList = gitLog.split("--END--")
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del commitList[-1]
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return commitList
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class RawCommit:
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def __init__(self, completeCommit):
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self.raw = completeCommit.split("--SEP--")
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self.body = self.raw[0].strip()
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self.hash = self.raw[1].strip()
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self.tag = self.raw[2].strip()
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class CommitBody:
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commitTypes = ("build", "chore", "ci", "docs", "feat", "fix", "perf", "refactor", "style", "test")
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def __init__(self, completeMessage):
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self.completeMessage = completeMessage
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#self.subject = None
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#self.body = None
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#self.scope = None
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#self.commitType = None
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self.setSubjectAndBody()
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self.setScope()
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self.setCommitType()
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def setSubjectAndBody(self):
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try:
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subStart = self.completeMessage.index(": ")+2
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except:
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try:
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subStart = self.completeMessage.index("\n")
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except:
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subStart = 0
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try:
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subEnd = self.completeMessage.index("\n")
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except:
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self.subject = self.completeMessage[subStart:]
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self.body = None
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else:
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self.subject = self.completeMessage[subStart:subEnd]
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self.body = self.completeMessage[subEnd:].strip()
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def setScope(self):
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try:
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start = self.completeMessage.index("(")+1
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end = self.completeMessage.index(")")
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except:
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self.scope = None
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else:
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self.scope = self.completeMessage[start:end].strip().lower()
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def setCommitType(self):
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for commitType in self.commitTypes:
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if (self.completeMessage.startswith((commitType + ": "))) or (self.completeMessage.startswith((commitType + "("))) or (self.completeMessage.startswith((commitType + " ("))):
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self.commitType = commitType
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break
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else:
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self.commitType = "nonconform"
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def getCommitMessageWithType(self):
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return self.commitType + ": " + self.subject
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class Scope:
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def __init__(self, name):
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self.name = name.strip().lower()
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@staticmethod
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def createScope(name):
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return Scope(name)
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class CommitTag:
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def __init__(self, completeTag):
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if not ("tag: " in completeTag):
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self.completeTag = None
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self.tagAsString = None
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self.major = None
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self.minor = None
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self.bugfix = None
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else:
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self.completeTag = completeTag
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self.setTagAsString()
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self.setMajorMinorBugfix()
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def setTagAsString(self):
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try: ## this one is temporary
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self.tagAsString = self.completeTag[(self.completeTag.rindex(": v.")+4):-1]
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except:
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try:
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self.tagAsString = self.completeTag[(self.completeTag.rindex(": v")+3):-1]
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except:
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self.tagAsString = self.completeTag[(self.completeTag.rindex(": ")+2):-1]
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def setMajorMinorBugfix(self):
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versionList = self.tagAsString.split(".")
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self.major = versionList[0]
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self.minor = versionList[1]
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self.bugfix = versionList[2]
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@staticmethod
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def getUpdateType(newTag, previousTag):
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if newTag.major > previousTag.major:
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return "major"
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elif newTag.minor > previousTag.minor:
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return "minor"
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elif newTag.bugfix > previousTag.bugfix:
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return "bugfix"
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class Commit:
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def __init__(self, rawCommit):
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self.body = CommitBody(rawCommit.body)
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self.tag = CommitTag(rawCommit.tag)
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self.hash = rawCommit.hash
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def appendShortHash(self):
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return " (" + self.hash[:6] + ")"
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#### Main ####
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pathToRepo = "/Users/daniel/Developer/Repos/HfM/schumacher/Prisma-Binauralize"
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#pathToRepo = "/Users/daniel/Desktop/testrepo"
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commitList = getSeparatedGitLog(pathToRepo)
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# Create a list of commits
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commitHistory = []
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for commit in commitList:
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commitHistory.append(Commit(RawCommit(commit)))
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# Create a two-dimensional list by tags: [[tag, [commits]],[tag, [commits]],...]
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taggedHistory = []
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for commit in commitHistory:
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if commit.tag.tagAsString:
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taggedHistory.append([commit.tag, commit])
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else:
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if len(taggedHistory) == 0:
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taggedHistory.append([None, commit])
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else:
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taggedHistory[-1].append(commit)
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# Construction of the changelog-file
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fileTemplate = ["# Changelog"]
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for tag in taggedHistory:
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# If latest commit has no tag:
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if not tag[0]:
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fileTemplate.append("\n## Without version number")
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else:
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fileTemplate.append("\n## Version " + tag[0].tagAsString)
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# Grouping by Type
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commitsByType = {"Other":[], "Features":[], "Fixes":[]}
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nonconformCommits = []
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for commit in tag[1:]:
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if commit.body.commitType == CommitBody.commitTypes[5]: # fix
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commitsByType["Fixes"].append(commit)
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elif commit.body.commitType == CommitBody.commitTypes[4]: # feat
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commitsByType["Features"].append(commit)
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elif commit.body.commitType == "nonconform":
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nonconformCommits.append(commit)
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else:
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commitsByType["Other"].append(commit)
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# Sub-Grouping by Scopes within Types
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while len(commitsByType) > 0:
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commitsByScope = {}
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commitType, commits = commitsByType.popitem()
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if len(commits) == 0:
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continue
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for commit in commits:
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if commit.body.scope == None:
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if "no scope" not in commitsByScope:
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commitsByScope["no scope"] = [commit]
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else:
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commitsByScope["no scope"].append(commit)
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elif commit.body.scope in commitsByScope:
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commitsByScope[commit.body.scope].append(commit)
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else:
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commitsByScope[commit.body.scope] = [commit]
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fileTemplate.append("\n### " + str(commitType))
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while len(commitsByScope) > 0:
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scope, commits = commitsByScope.popitem()
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fileTemplate.append("- *" + str(scope) + "*")
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for commit in commits:
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if commitType == "Other":
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fileTemplate.append(" - (" + commit.body.commitType + ") " + commit.body.subject + commit.appendShortHash())
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else:
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fileTemplate.append(" - " + commit.body.subject + commit.appendShortHash())
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# nonconform commits
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if len(nonconformCommits) > 0:
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fileTemplate.append("\n### Non-conform commits")
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for commit in nonconformCommits:
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fileTemplate.append("- " + commit.body.subject + commit.appendShortHash())
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# write into changelog
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with open(pathToRepo + "/changelog.md", "w") as file:
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for line in fileTemplate:
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file.write(line + "\n")
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