| #!/usr/bin/python | 
 |  | 
 | ## | 
 | # Copyright c 2016 IBM Corporation | 
 | # | 
 | # Licensed under the Apache License, Version 2.0 (the "License"); | 
 | # you may not use this file except in compliance with the License. | 
 | # You may obtain a copy of the License at | 
 | # | 
 | #     http://www.apache.org/licenses/LICENSE-2.0 | 
 | # | 
 | # Unless required by applicable law or agreed to in writing, software | 
 | # distributed under the License is distributed on an "AS IS" BASIS, | 
 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 | # See the License for the specific language governing permissions and | 
 | # limitations under the License. | 
 | ## | 
 |  | 
 | ############################################################################### | 
 | # @file commit-tracker | 
 | # @brief Prints out all commits on the master branch of the specified | 
 | #        repository, as well as all commits on linked submodule | 
 | #        repositories | 
 | ############################################################################### | 
 |  | 
 | import argparse | 
 | import git | 
 | import json | 
 | import logging | 
 | import os | 
 | import re | 
 | import requests | 
 | import sys | 
 | import time | 
 |  | 
 | class CommitReportEncoder(json.JSONEncoder): | 
 |     def default(self, i_obj): | 
 |         return i_obj.__dict__ | 
 |  | 
 | ############################################################################### | 
 | # @class CommitReport | 
 | # @brief A class representing information about a commit and all commits in | 
 | #        relevant subrepos | 
 | ############################################################################### | 
 | class CommitReport: | 
 |     def __init__(self, i_repo_uri, i_repo_name,  i_sha, i_nice_name, | 
 |                  i_summary, i_insertions, i_deletions, i_closed_issues): | 
 |         self.repo_uri = i_repo_uri | 
 |         self.repo_name = i_repo_name | 
 |         self.sha = i_sha | 
 |         self.nice_name = i_nice_name | 
 |         self.summary = i_summary | 
 |         self.insertions = i_insertions | 
 |         self.deletions = i_deletions | 
 |         self.closed_issues = i_closed_issues | 
 |         self.subreports = [] | 
 |  | 
 |     def to_cl_string(self, i_level=0): | 
 |         # Define colors for the console | 
 |         RED = '\033[31m' | 
 |         BLUE = '\033[94m' | 
 |         ENDC = '\033[0m' | 
 |         # Put the string together | 
 |         l_cl_string = ('  ' * i_level) + RED + self.repo_name + ENDC  + ' ' \ | 
 |             + BLUE + self.nice_name + ENDC + ' ' \ | 
 |             + re.sub('\s+', ' ', self.summary) | 
 |         # Do the same for every subreport | 
 |         for l_report in self.subreports: | 
 |             l_cl_string += '\n' + l_report.to_cl_string(i_level + 1) | 
 |         return l_cl_string | 
 |  | 
 |     def to_html(self, i_level=0): | 
 |         l_repo_url = re.sub('git://', 'http://', self.repo_uri) | 
 |         # Get HTML for this commit | 
 |         l_html = \ | 
 |             '<div style="margin-left: ' + str(i_level * 20) + 'px">' \ | 
 |             + '<a href="' + l_repo_url + '" target="_blank" ' \ | 
 |             + 'style="color: red">' + self.repo_name + '</a> ' \ | 
 |             + '<a href="' + l_repo_url + '/commit/' + self.sha \ | 
 |             + '" target="_blank" style="color: blue">' + self.nice_name \ | 
 |             + '</a> ' \ | 
 |             + '<span>' + re.sub('\s+', ' ', self.summary) + '</span>' \ | 
 |             + '</div>\n' | 
 |         # Get the HTML for all subcommits | 
 |         for l_commit in self.subreports: | 
 |             l_html += l_commit.to_html(i_level + 1) | 
 |         return l_html | 
 |  | 
 |     def get_total_insertions(self): | 
 |         l_insertions = self.insertions | 
 |         for l_commit in self.subreports: | 
 |             l_insertions += l_commit.get_total_insertions() | 
 |         return l_insertions | 
 |  | 
 |     def get_total_deletions(self): | 
 |         l_deletions = self.deletions | 
 |         for l_commit in self.subreports: | 
 |             l_deletions += l_commit.get_total_deletions() | 
 |         return l_deletions | 
 |  | 
 |     def get_all_closed_issues(self): | 
 |         l_closed_issues = self.closed_issues | 
 |         for l_commit in self.subreports: | 
 |             l_closed_issues.extend(l_commit.get_all_closed_issues()) | 
 |         return l_closed_issues | 
 |  | 
 | ############################################################################### | 
 | # @brief Main function for the script | 
 | # | 
 | # @param i_args : Command line arguments | 
 | ############################################################################### | 
 | def main(i_args): | 
 |     # Parse the arguments | 
 |     l_args = parse_arguments(i_args) | 
 |  | 
 |     # Set the logger level | 
 |     logging.basicConfig(level=logging.ERROR) | 
 |  | 
 |     # Generate the commit reports | 
 |     print 'Getting report for ' + l_args.repo_dir | 
 |     l_reports = generate_commit_reports( | 
 |         l_args.repo_uri, | 
 |         l_args.repo_dir, | 
 |         l_args.latest_commit, | 
 |         l_args.earliest_commit) | 
 |  | 
 |     # Compile issues, insertions, and deletions | 
 |     l_issues = [] | 
 |     l_total_deletions = 0 | 
 |     l_total_insertions = 0 | 
 |     for l_report in l_reports: | 
 |         l_total_deletions += l_report.get_total_deletions() | 
 |         l_total_insertions += l_report.get_total_insertions() | 
 |         l_issues.extend(l_report.get_all_closed_issues()) | 
 |  | 
 |     # Print commit information to the console | 
 |     print 'Commits...' | 
 |     for l_report in l_reports: | 
 |         print l_report.to_cl_string() | 
 |     print 'Closed issues...' | 
 |     for l_issue in l_issues: | 
 |         print '  ' + str(l_issue[0]) + ' ' + str(l_issue[1]) | 
 |     print 'Insertions and deletions...' | 
 |     print str(l_total_insertions) + ' insertions' | 
 |     print str(l_total_deletions) + ' deletions' | 
 |  | 
 |     # Write to the HTML file if the user set the flag | 
 |     if l_args.html_file: | 
 |         print 'Writing to HTML file...' | 
 |         l_html_file = open(l_args.html_file, 'w+') | 
 |         l_html_file.write('<html><body>\n') | 
 |         for l_report in l_reports: | 
 |             l_html_file.write(l_report.to_html()) | 
 |         l_html_file.write('<p>' + str(l_total_insertions) \ | 
 |                           + ' insertions and ' + str(l_total_deletions) \ | 
 |                           + ' deletions</p>') | 
 |         l_html_file.write('<div>Closed Issues</div>') | 
 |         for l_issue in l_issues: | 
 |             l_html_file.write('<div><a href="http://www.github.com/' \ | 
 |                               + re.sub('#', '/issues/', l_issue[0]) \ | 
 |                               + '" target="_blank">' + l_issue[0] + '</a> ' \ | 
 |                               + l_issue[1] + '</div>') | 
 |         l_html_file.write('</body></html>') | 
 |         l_html_file.close() | 
 |  | 
 |     # Write to the JSON file if the user set the flag | 
 |     if l_args.json_file: | 
 |         print 'Writing to JSON file...' | 
 |         l_json_file = open(l_args.json_file, 'w+') | 
 |         l_json_file.write(CommitReportEncoder().encode(l_reports)) | 
 |         l_json_file.close() | 
 |  | 
 | ############################################################################### | 
 | # @brief Parses the arguments from the command line | 
 | # | 
 | # @param i_args : The list of arguments from the command line, excluding the | 
 | #                 name of the script | 
 | # | 
 | # @return An object representin the parsed arguments | 
 | ############################################################################### | 
 | def parse_arguments(i_args): | 
 |     l_parser = argparse.ArgumentParser( | 
 |         description='Prints commit information from the given repo and all ' \ | 
 |                     +'sub-repos specified with SRC_REV, starting from the ' \ | 
 |                     +'most recent commit specified going back to the ' \ | 
 |                     +'earliest commit specified.') | 
 |     l_parser.add_argument( | 
 |         'repo_uri', | 
 |         help='The URI of the repo to get commit information for') | 
 |     l_parser.add_argument( | 
 |         'repo_dir', | 
 |         help='The directory of the repo to get commit information for') | 
 |     l_parser.add_argument( | 
 |         'latest_commit', | 
 |         help='A reference (branch name, HEAD, SHA, etc.) to the most ' \ | 
 |              +'recent commit to get information for') | 
 |     l_parser.add_argument( | 
 |         'earliest_commit', | 
 |         help='A reference to the earliest commit to get information for') | 
 |     l_parser.add_argument( | 
 |         '--html_file', | 
 |         default=None, | 
 |         help='If set to a file path, this script will write an HTML ' \ | 
 |              +'version of the console output to the file path given') | 
 |     l_parser.add_argument( | 
 |         '--json_file', | 
 |         default=None, | 
 |         help='If set to a file path, this script will write a JSON version ' \ | 
 |             +'of the generated report to the file path given') | 
 |     return l_parser.parse_args(i_args) | 
 |  | 
 | ############################################################################### | 
 | # @brief Generates a list of CommitReport objects, each one | 
 | #        representing a commit in the given repo URI and path, | 
 | #        starting at the beginning commit inclusive, ending at the | 
 | #        end commit exclusive | 
 | # | 
 | # @param i_repo_uri     : The URI to the repo to get reports for | 
 | # @param i_repo_path    : The path to the repo to get reports for | 
 | # @param i_begin_commit : A reference to the most recent commit. The | 
 | #                         most recent commit to get a report for | 
 | # @param i_end_commit   : A reference to the commit farthest in the | 
 | #                         past. The next youngest commit will be | 
 | #                         the last one to get a report for | 
 | # | 
 | # @return A list of CommitReport objects in order from newest to | 
 | #         oldest commit | 
 | ############################################################################### | 
 | def generate_commit_reports(i_repo_uri, i_repo_path, i_begin_commit, | 
 |                             i_end_commit): | 
 |     # Get the repo that the user requested | 
 |     clone_or_update(i_repo_uri, i_repo_path) | 
 |     try: | 
 |         l_repo = git.Repo(i_repo_path) | 
 |     except git.exc.InvalidGitRepositoryError: | 
 |         logging.error(str(i_repo_path) + ' is not a valid git repository') | 
 |         return | 
 |  | 
 |     # Get commits between the beginning and end references | 
 |     try: | 
 |         l_commits = l_repo.iter_commits(rev=(i_begin_commit + '...' | 
 |                                              + i_end_commit)) | 
 |         # Go through each commit, generating a report | 
 |         l_reports = [] | 
 |         for l_commit in l_commits: | 
 |             # Get the insertion and deletion line counts | 
 |             l_insertions, l_deletions = get_line_count( | 
 |                     l_repo,str(l_commit.hexsha), | 
 |                     str(l_commit.hexsha) + '~1') | 
 |             # Construct a new commit report | 
 |             l_report = CommitReport( | 
 |                 i_repo_uri, | 
 |                 i_repo_path.split('/')[-1].replace('.git', ''), | 
 |                 str(l_commit.hexsha), | 
 |                 to_prefix_name_rev(l_commit.name_rev), | 
 |                 l_commit.summary, | 
 |                 l_insertions, | 
 |                 l_deletions, | 
 |                 get_closed_issues(l_commit)) | 
 |  | 
 |             # Search the diffs for any bumps of submodule versions | 
 |             l_diffs = l_commit.diff(str(l_commit.hexsha) + '~1') | 
 |             for l_diff in l_diffs: | 
 |                 # If we have two files to compare with diff... | 
 |                 if l_diff.a_path and l_diff.b_path: | 
 |                     # ... get info about the change, log it... | 
 |                     l_subrepo_uri, l_subrepo_new_hash, l_subrepo_old_hash \ | 
 |                         = get_bump_info(l_repo, str(l_commit.hexsha), | 
 |                                           i_repo_path, l_diff.b_path) | 
 |                     logging.debug('Found diff...') | 
 |                     logging.debug('  Subrepo URI: ' + str(l_subrepo_uri)) | 
 |                     logging.debug('  Subrepo new hash: ' | 
 |                                   + str(l_subrepo_new_hash)) | 
 |                     logging.debug('  Subrepo old hash: ' | 
 |                                   + str(l_subrepo_old_hash)) | 
 |                     logging.debug('  Found in: ' + str(l_diff.b_path)) | 
 |                     # ... and print the commits for the subrepo if this was a | 
 |                     #     version bump | 
 |                     if l_subrepo_new_hash \ | 
 |                             and l_subrepo_old_hash \ | 
 |                             and l_subrepo_uri \ | 
 |                             and l_subrepo_uri.startswith('git'): | 
 |                         logging.debug('  Bumped') | 
 |                         l_subrepo_path = l_subrepo_uri.split('/')[-1] | 
 |                         l_subreports = generate_commit_reports( | 
 |                             l_subrepo_uri, | 
 |                             l_subrepo_path, | 
 |                             l_subrepo_new_hash, | 
 |                             l_subrepo_old_hash) | 
 |                         l_report.subreports.extend(l_subreports) | 
 |  | 
 |             # Put the report on the end of the list | 
 |             l_reports.append(l_report) | 
 |  | 
 |     except git.exc.GitCommandError as e: | 
 |         logging.error(e) | 
 |         logging.error(str(i_begin_commit) + ' and ' + str(i_end_commit) | 
 |                       + ' are invalid revisions') | 
 |     return l_reports | 
 |  | 
 | ############################################################################### | 
 | # @brief Gets the repo URI, the updated SHA, and the old SHA from a | 
 | #        given repo, commit SHA and file | 
 | #  | 
 | # @param i_repo      : The Repo object to get version bump information | 
 | #                      from | 
 | # @param i_hexsha    : The hex hash for the commit to search for | 
 | #                      version bumps | 
 | # @param i_repo_path : The path to the repo containing the file to | 
 | #                      get bump information from | 
 | # @param i_file      : The path, starting at the base of the repo, | 
 | #                      to the file to get bump information from | 
 | # | 
 | # @return Returns the repo URI, the updatedS SHA, and the old SHA in | 
 | #         a tuple in that order | 
 | ############################################################################### | 
 | def get_bump_info(i_repo, i_hexsha, i_repo_path, i_file): | 
 |     # Checkout the old repo | 
 |     i_repo.git.checkout(i_hexsha) | 
 |     # Get the diff text | 
 |     l_diff_text = i_repo.git.diff(i_hexsha, i_hexsha + '~1', '--', i_file) | 
 |     logging.debug('Hash: ' + i_hexsha) | 
 |     logging.debug('File: ' + i_repo_path + '/' + i_file) | 
 |     logging.debug('Diff Text: ' + l_diff_text) | 
 |  | 
 |     # Get the new and old version hashes | 
 |     l_old_hash = None | 
 |     l_new_hash = None | 
 |     l_old_hash_match = re.search('-[A-Z_]*SRCREV[+=? ]+"([a-f0-9]+)"', | 
 |                                  l_diff_text) | 
 |     l_new_hash_match = re.search('\+[A-Z_]*SRCREV[+=? ]+"([a-f0-9]+)"', | 
 |                                  l_diff_text) | 
 |     if l_old_hash_match: | 
 |         l_old_hash = l_old_hash_match.group(1) | 
 |     if l_new_hash_match: | 
 |         l_new_hash = l_new_hash_match.group(1) | 
 |  | 
 |     # Get the URI of the subrepo | 
 |     l_uri = None | 
 |     if os.path.isfile(i_repo_path + '/' + i_file): | 
 |         l_changed_file = open(i_repo_path + '/' + i_file, 'r') | 
 |         for l_line in l_changed_file: | 
 |             l_uri_match = re.search('_URI[+=? ]+"([-a-zA-Z0-9/:\.]+)"', l_line) | 
 |             if l_uri_match: | 
 |                 l_uri = l_uri_match.group(1) | 
 |                 break | 
 |     else: | 
 |         logging.debug(i_repo_path + '/' + i_file) | 
 |  | 
 |     # Go back to master | 
 |     i_repo.git.checkout('master') | 
 |     return l_uri, l_new_hash, l_old_hash | 
 |  | 
 | ############################################################################### | 
 | # @brief Updates the repo under the given path or clones it from the | 
 | #        uri if it doesn't yet exist | 
 | # | 
 | # @param i_uri  : The URI to the remote repo to clone | 
 | # @param i_path : The file path to where the repo currently exists or | 
 | #                 where it will be created | 
 | ############################################################################### | 
 | def clone_or_update(i_uri, i_path): | 
 |     # If the repo exists, just update it | 
 |     if os.path.isdir(i_path): | 
 |         l_repo = git.Repo(i_path) | 
 |         l_repo.remotes[0].pull() | 
 |  | 
 |     # If it doesn't exist, clone it | 
 |     else: | 
 |         os.mkdir(i_path) | 
 |         l_repo = git.Repo.init(i_path) | 
 |         origin = l_repo.create_remote('origin', i_uri) | 
 |         origin.fetch() | 
 |         l_repo.create_head('master', origin.refs.master) \ | 
 |             .set_tracking_branch(origin.refs.master) | 
 |         origin.pull() | 
 |  | 
 | ############################################################################### | 
 | # @brief Gets the number of changed lines between two commits | 
 | # | 
 | # @param i_repo         : The Repo object these commits are in | 
 | # @param i_begin_commit : A git reference to the beginning commit | 
 | # @param i_end_commit   : A git reference to the end commit | 
 | # | 
 | # @return A two-tuple containing the number of insertions and the number of | 
 | #         deletions between the begin and end commit | 
 | ############################################################################### | 
 | def get_line_count(i_repo, i_begin_commit, i_end_commit): | 
 |     diff_output = i_repo.git.diff(i_end_commit, i_begin_commit, shortstat=True) | 
 |     insertions = 0 | 
 |     deletions = 0 | 
 |     insertion_match = re.search('([0-9]+) insertion', diff_output) | 
 |     deletion_match = re.search('([0-9]+) deletion', diff_output) | 
 |     if insertion_match: | 
 |         insertions = int(insertion_match.group(1)) | 
 |     if deletion_match: | 
 |         deletions = int(deletion_match.group(1)) | 
 |     return insertions, deletions | 
 |  | 
 | ############################################################################### | 
 | # @brief Gets closed issues from the commit message | 
 | # | 
 | # @param i_commit : The commit to get closed issues for | 
 | # | 
 | # @return A list of tuples, the first element being the ID of the issue, the | 
 | #         second being the title from GitHub | 
 | ############################################################################### | 
 | def get_closed_issues(i_commit): | 
 |     l_closed_issues = [] | 
 |  | 
 |     # Set up the regex | 
 |     l_close_regex = re.compile( | 
 |         '((F|f)ix((es|ed)?)|(C|c)lose((s|d)?)|(R|r)esolve((s|d)?)) ' | 
 |         + '+(?P<issue>[a-zA-Z0-9#]+\/[a-zA-Z0-9#]+)') | 
 |     l_matches = l_close_regex.finditer(i_commit.message) | 
 |  | 
 |     # Loop through all the matches getting each issue name | 
 |     for l_match in l_matches: | 
 |         l_issue_id = l_match.group('issue') | 
 |         l_issue_title = get_issue_title(l_issue_id) | 
 |         l_closed_issues.append((l_issue_id, l_issue_title)) | 
 |  | 
 |     return l_closed_issues | 
 |  | 
 | ############################################################################### | 
 | # @brief Gets the title of an issue based on the issue ID | 
 | # | 
 | # @param i_issue_id : The ID of the issue to get the title for | 
 | # | 
 | # @return The title of the issue | 
 | ############################################################################### | 
 | def get_issue_title(i_issue_id): | 
 |     # Construct the URL | 
 |     l_url_tail = re.sub('#', '/issues/', i_issue_id) | 
 |     l_full_url = 'https://api.github.com/repos/' + l_url_tail | 
 |     l_title = '' | 
 |  | 
 |     # Send in the web request | 
 |     l_response = requests.get(l_full_url) | 
 |     if 200 == l_response.status_code: | 
 |         l_issue = l_response.json() | 
 |         l_title = l_issue['title'] | 
 |     else: | 
 |         logging.error(l_response.text) | 
 |         logging.error('Recieved status code ' \ | 
 |                       + str(l_response.status_code) \ | 
 |                       + ' when getting issue titles.') | 
 |     return l_title | 
 |  | 
 | ############################################################################## | 
 | # @brief Cuts the hash in commit revision names down to its 7 digit prefix | 
 | # | 
 | # @param i_name_rev : The name of the revision to change | 
 | # | 
 | # @return The same revision name but with the hash its 7 digit prefix instead | 
 | ############################################################################### | 
 | def to_prefix_name_rev(i_name_rev): | 
 |     l_name_rev = i_name_rev | 
 |     l_hash, l_name = l_name_rev.split() | 
 |     l_name_rev = l_hash[0:7] + ' ' + l_name | 
 |     return l_name_rev | 
 |  | 
 | # Only run main if run as a script | 
 | if __name__ == '__main__': | 
 |     main(sys.argv[1:]) | 
 |  |