1#!/usr/bin/env python 2# Copyright (c) 2011 The Chromium Authors. All rights reserved. 3# Use of this source code is governed by a BSD-style license that can be 4# found in the LICENSE file. 5 6import copy 7import optparse 8 9__version__ = "1.0" 10 11# Constants used by Visual Studio. 12UNKNOWN_GUID = "{00000000-0000-0000-0000-000000000000}" 13FOLDER_GUID = "{2150E333-8FDC-42A3-9474-1A3956D46DE8}" 14C_PROJECT_GUID = "{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}" 15CSHARP_PROJECT_GUID = "{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}" 16 17# A project defines it name, its guid and its dependencies. 18class Project: 19 def __init__(self): 20 self.name = "" 21 self.type = UNKNOWN_GUID 22 self.deps = [] 23 24 def __str__(self): 25 return self.name 26 27 28def ScanSlnFile(filename): 29 """Scan a Visual Studio .sln and extract the project dependencies.""" 30 try: 31 sln = open(filename, "r") 32 except IOError: 33 sys.stderr.write("Unable to open " + filename + " for reading.\n") 34 return 1 35 projects = {} 36 project = None 37 while 1: 38 line = sln.readline().strip() 39 if not line: 40 break 41 42 if line.startswith('Project("{'): 43 # Project definition line looks like 44 # Project("$TypeGuid") = "$ProjectName", "$ProjectPath", "$ProjectGuid"$ 45 items = line.split('"') 46 project = Project() 47 project.name = items[3] 48 project.path = items[5] 49 project.guid = items[7] 50 project.type = items[1] 51 projects[items[7]] = project 52 53 # Start of a dependency group. 54 if line == "ProjectSection(ProjectDependencies) = postProject": 55 line = sln.readline().strip() 56 # End of a dependency group. 57 while line and line != "EndProjectSection": 58 project.deps.append(line[:len(project.guid)]) 59 line = sln.readline().strip() 60 61 # We are done parsing. 62 sln.close() 63 return projects 64 65 66def sln_deps(filename, project_to_scan, reverse): 67 """Displays the project's dependencies.""" 68 project_to_scan = project_to_scan.lower() 69 70 projects = ScanSlnFile(filename) 71 72 if reverse: 73 # Inverse the dependencies map so they are displayed in the reverse order. 74 # First, create a copy of the map. 75 projects_reversed = copy.deepcopy(projects) 76 for project_reversed in projects_reversed.itervalues(): 77 project_reversed.deps = [] 78 # Then, assign reverse dependencies. 79 for project in projects.itervalues(): 80 for dep in project.deps: 81 projects_reversed[dep].deps.append(project.guid) 82 projects = projects_reversed 83 84 # Print the results. 85 for project in projects.itervalues(): 86 if project.type == FOLDER_GUID: 87 continue 88 if project_to_scan and project.name.lower() != project_to_scan: 89 continue 90 print project.name 91 deps_name = [projects[d].name for d in project.deps] 92 print "\n".join(str(" " + name) for name in sorted(deps_name, 93 key=str.lower)) 94 return 0 95 96 97def main(): 98 usage = "usage: %prog [options] solution [project]" 99 100 description = ("Display the dependencies of a project in human readable" 101 " form. [project] is optional. If omited, all projects are" 102 " listed.") 103 104 option_parser = optparse.OptionParser(usage = usage, 105 version="%prog " + __version__, 106 description = description) 107 option_parser.add_option("-r", 108 "--reverse", 109 dest="reverse", 110 action="store_true", 111 default=False, 112 help="Display the reverse dependencies") 113 options, args = option_parser.parse_args() 114 if len(args) != 1 and len(args) != 2: 115 option_parser.error("incorrect number of arguments") 116 117 project_to_scan = "" 118 if len(args) == 2: 119 project_to_scan = args[1] 120 return sln_deps(args[0], project_to_scan, options.reverse) 121 122 123if __name__ == '__main__': 124 sys.exit(main()) 125