| # Required for Python to search this directory for module files |
| |
| import hashlib |
| import struct |
| |
| |
| # The default location for Xcode's "DerivedData" (build output and intermediate |
| # files) is a unique directory in ~/Library/Developer/Xcode/DerivedData with a |
| # name incorporating a hash based on the full path of the project or workspace |
| # being built. The following function takes that path and returns the |
| # corresponding hash. |
| # |
| # The algorithm is adapted from the following article: |
| # |
| # <https://pewpewthespells.com/blog/xcode_deriveddata_hashes.pdf> |
| |
| def xcode_hash_for_path(path): |
| def convert_to_string(n): |
| s = '' |
| for _ in range(0, 14): |
| (n, r) = divmod(n, 26) |
| s = chr(r + 97) + s |
| return s |
| |
| (part1, part2) = struct.unpack(">QQ", hashlib.md5(path.encode()).digest()) |
| return convert_to_string(part1) + convert_to_string(part2) |
