#!/usr/bin/python from __future__ import print_function import sys import json import os import re class Firmware(): def __init__(self, date=None, platform=None, vehicletype=None, filepath=None, git_sha=None, frame=None): self.atts = dict() self.atts["date"] = date self.atts["platform"] = platform self.atts["vehicletype"] = vehicletype self.atts["filepath"] = filepath self.atts["git_sha"] = git_sha self.atts["frame"] = frame self.atts["release-type"] = None self.atts["firmware-version"] = None def __getitem__(self,what): return self.atts[what] def __setitem__(self,name,value): self.atts[name] = value class ManifestGenerator(): '''Return a JSON string describing "binary" directory contents under basedir''' def __init__(self,basedir,baseurl): self.basedir = basedir self.baseurl = baseurl def frame_map(self, frame): '''translate from ArduPilot frame type terminology into mavlink terminology''' frame_to_mavlink_dict = { "quad": "QUADROTOR", "hexa": "HEXAROTOR", "y6": "ARDUPILOT_Y6", "tri": "TRICOPTER", "octa": "OCTOROTOR", "octa-quad": "ARDUPILOT_OCTAQUAD", "heli": "HELICOPTER", "Plane": "FIXED_WING", "AntennaTracker": "ANTENNA_TRACKER", "Rover": "GROUND_ROVER", "Sub": "SUBMARINE" } if frame in frame_to_mavlink_dict: return frame_to_mavlink_dict[frame] return frame def releasetype_map(self, releasetype): '''translate from ArduPilot release type terminology into mavlink terminology''' if releasetype == 'stable': return 'OFFICIAL' return releasetype.upper() def looks_like_binaries_directory(self, dir): '''returns True if dir looks like it is a build_binaries.py output directory''' for entry in os.listdir(dir): if entry in {"AntennaTracker", "Copter", "Plane", "Rover", "Sub"}: return True return False def git_sha_from_git_version(self, filepath): '''parses get-version.txt (as emitted by build_binaries.py, returns git sha from it''' content = open(filepath).read() sha_regex = re.compile("commit (?P[0-9a-f]+)") m = sha_regex.search(content) if m is None: raise Exception("filepath (%s) does not appear to contain a git sha" % (filepath,)) return m.group("sha") def add_firmware_data_from_dir(self, dir, firmware_data, vehicletype, releasetype="dev"): '''accumulate additional information about firmwares from a directory''' platform_frame_regex = re.compile("(?PPX4|navio|pxf)(-(?P.+))?") variant_firmware_regex = re.compile("[^-]+-(?Pv\d+)[.px4]") for platformdir in os.listdir(dir): some_dir = os.path.join(dir, platformdir) try: git_sha = self.git_sha_from_git_version(os.path.join(some_dir, "git-version.txt")) except Exception as e: continue firmware_version_file = os.path.join(some_dir, "firmware-version.txt") try: firmware_version = open(firmware_version_file).read() firmware_version = firmware_version.strip() (version_numbers,release_type) = firmware_version.split("-") except ValueError as e: # print("malformed firmware-version.txt at (%s)" % (firmware_version_file,), file=sys.stderr) firmware_version = None except Exception as e: # this exception is swallowed.... the current archive # is incomplete. firmware_version = None m = platform_frame_regex.match(platformdir) if m is not None: # the model type (quad/tri) is # encoded in the platform name # (e.g. navio-octa) platform = m.group("board") # e.g. navio frame = m.group("frame") # e.g. octa if frame is None: frame = vehicletype else: frame = vehicletype # e.g. Plane platform = platformdir # e.g. apm2 for file in os.listdir(some_dir): if file == "git-version.txt": continue if file == "firmware-version.txt": continue if file == "files.html": continue m = variant_firmware_regex.match(file) if m: # the platform variant is # encoded in the firmware filename # (e.g. the "v1" in # ArduCopter-v1.px4) variant = m.group("variant") file_platform = "-".join([platform,variant]) else: file_platform = platform firmware_format = "".join(file.split(".")[-1:]) if not vehicletype in firmware_data: firmware_data[vehicletype] = dict() if not file_platform in firmware_data[vehicletype]: firmware_data[vehicletype][file_platform] = dict() if not git_sha in firmware_data[vehicletype][file_platform]: firmware_data[vehicletype][file_platform][git_sha] = dict() if not firmware_format in firmware_data[vehicletype][file_platform][git_sha]: firmware_data[vehicletype][file_platform][git_sha][firmware_format] = dict() if not releasetype in firmware_data[vehicletype][file_platform][git_sha][firmware_format]: firmware_data[vehicletype][file_platform][git_sha][firmware_format][releasetype] = dict() if not frame in firmware_data[vehicletype][file_platform][git_sha][firmware_format][releasetype]: firmware_data[vehicletype][file_platform][git_sha][firmware_format][releasetype][frame] = Firmware() firmware = firmware_data[vehicletype][file_platform][git_sha][firmware_format][releasetype][frame] # translate from supplied "release type" into both a # "latest" flag andan actual release type. Also sort # out which filepath we should use: firmware["latest" ] = 0 if releasetype == "dev": if firmware["filepath"] is None: firmware["filepath"] = os.path.join(some_dir, file) if firmware["release-type"] is None: firmware["release-type"] = "dev" elif releasetype == "latest": firmware["latest"] = 1 firmware["filepath"] = os.path.join(some_dir, file) if firmware["release-type"] is None: firmware["release-type"] = "dev" else: if (not firmware["latest"]): firmware["filepath"] = os.path.join(some_dir, file) firmware["release-type"] = releasetype firmware["platform"] = file_platform firmware["vehicletype"] = vehicletype firmware["git_sha"] = git_sha firmware["frame"] = frame firmware["timestamp"] = os.path.getctime(firmware["filepath"]) firmware["format"] = firmware_format firmware["firmware-version"] = firmware_version def xfirmwares_to_firmwares(self, xfirmwares): '''takes hash structure of firmwares, returns list of them''' if isinstance(xfirmwares, dict): ret = [] for value in xfirmwares.values(): o = self.xfirmwares_to_firmwares(value) for oo in o: ret.append(oo) return ret else: return [xfirmwares] known_release_types = { "beta" : 1, "latest" : 1, "stable" : 1 } def parse_fw_version(self, version): (version_numbers,release_type) = version.split("-") (major,minor,patch) = version_numbers.split(".") return (major,minor,patch,version) def walk_directory(self, basedir): '''walks directory structure created by build_binaries, returns Python structure representing releases in that structure''' year_month_regex = re.compile("(?P\d{4})-(?P\d{2})") xfirmwares = dict() # used to listdir basedir here, but since this is also a web document root, there's a lot of other stuff accumulated... vehicletypes = [ 'AntennaTracker', 'Copter', 'Plane', 'Rover', 'Sub' ] for vehicletype in vehicletypes: try: vdir = os.listdir(os.path.join(basedir, vehicletype)) except OSError as e: if e.errno == 2: continue for firstlevel in vdir: if firstlevel == "files.html": # generated file which should be ignored continue # skip any non-directories (e.g. "files.html"): if year_month_regex.match(firstlevel): # this is a dated directory e.g. binaries/Copter/2016-02 year_month_path = os.path.join(basedir, vehicletype, firstlevel) for fulldate in os.listdir(year_month_path): if fulldate == "files.html": # generated file which should be ignored continue self.add_firmware_data_from_dir(os.path.join(year_month_path, fulldate), xfirmwares, vehicletype) else: # assume this is a release directory such as # "beta", or the "latest" directory (treated as a # release and handled specially later) tag = firstlevel if tag not in self.known_release_types: print("Unknown tag (%s) in directory (%s)" % (tag, vdir), file=sys.stderr) tag_path = os.path.join(basedir, vehicletype, tag) self.add_firmware_data_from_dir(tag_path, xfirmwares, vehicletype, releasetype=tag) firmwares = self.xfirmwares_to_firmwares(xfirmwares) # convert from ardupilot-naming conventions to common JSON format: firmware_json = [] for firmware in firmwares: filepath = firmware["filepath"] # replace the base directory with the base URL urlifier = re.compile("^" + re.escape(basedir)) url = re.sub(urlifier, self.baseurl, filepath) some_json = dict({ "mav-autopilot": "ARDUPILOTMEGA", # "vehicletype": firmware["vehicletype"], "platform": firmware["platform"], "git-sha": firmware["git_sha"], "url": url, "mav-type": self.frame_map(firmware["frame"]), "mav-firmware-version-type": self.releasetype_map(firmware["release-type"]), "latest": firmware["latest"], "format": firmware["format"], }) if firmware["firmware-version"]: (major,minor,patch,release_type) = self.parse_fw_version(firmware["firmware-version"]) some_json["mav-firmware-version"] = ".".join([major,minor,patch]) some_json["mav-firmware-version-major"] = major some_json["mav-firmware-version-minor"] = minor some_json["mav-firmware-version-patch"] = patch firmware_json.append(some_json) ret = { "format-version": "1.0.0", # semantic versioning "firmware": firmware_json } return ret def json(self): '''walk directory supplied in constructor, return json string''' if not self.looks_like_binaries_directory(self.basedir): print("Warning: this does not look like a binaries directory", file=sys.stderr) structure = self.walk_directory(self.basedir) return json.dumps(structure, indent=4) def usage(): return '''Usage: generate-manifest.py basedir baseurl''' if __name__ == "__main__": if len(sys.argv) != 3: print(usage()) sys.exit(1) generator = ManifestGenerator(sys.argv[1], sys.argv[2]) print(generator.json())