# -*- coding: utf-8 -*- import argparse import datetime from fnmatch import fnmatch, translate import lxml.etree as ET import os from os.path import exists, join, relpath from os import F_OK, access, walk import re import sys import zipfile from flightgear.meta import sgprops from . import catalogTags CATALOG_VERSION = 4 quiet = False verbose = False # The Python version. PY_VERSION = sys.version_info[0] # Python 2 and 3 compatibility. if PY_VERSION == 3: long = int def warning(msg): if not quiet: print(msg) def log(msg): if verbose: print(msg) # xml node (robust) get text helper def get_xml_text(e): if e != None and e.text != None: return e.text else: return '' # return all available aircraft information from the set file as a # dict def scan_set_file(aircraft_dir, set_file, includes): base_file = os.path.basename(set_file) base_id = base_file[:-8] set_path = os.path.join(aircraft_dir, set_file) includes.append(aircraft_dir) root_node = sgprops.readProps(set_path, includePaths = includes) if not root_node.hasChild("sim"): return None sim_node = root_node.getChild("sim") if sim_node == None: return None # allow -set.xml files to specifcially exclude themselves from # the creation process, by setting true if (sim_node.getValue("exclude-from-catalog", False) == True): return None variant = {} name = sim_node.getValue("description", None) if (name == None or len(name) == 0): warning("Set file " + set_file + " is missing a , skipping") return None variant['name'] = name variant['status'] = sim_node.getValue("status", None) if sim_node.hasChild('authors'): # aircraft has structured authors data, handle that variant['authors'] = sim_node.getChild('authors') # can have legacy author tag alongside new strucutred data for # backwards FG compatability if sim_node.hasChild('author'): variant['author'] = sim_node.getValue("author", None) if sim_node.hasChild('maintainers'): variant['maintainers'] = sim_node.getChild('maintainers') if sim_node.hasChild('urls'): variant['urls'] = sim_node.getChild('urls') if sim_node.hasChild('long-description'): variant['description'] = sim_node.getValue("long-description", None) variant['id'] = base_id # allow -set.xml files to declare themselves as primary. # we use this avoid needing a variant-of in every other -set.xml variant['primary-set'] = sim_node.getValue('primary-set', False) # extract and record previews for each variant if sim_node.hasChild('previews'): variant['previews'] = extract_previews(sim_node.getChild('previews'), aircraft_dir) if sim_node.hasChild('rating'): variant['rating'] = sim_node.getChild("rating") if sim_node.hasChild('tags'): variant['tags'] = extract_tags(sim_node.getChild('tags'), set_file) if sim_node.hasChild('thumbnail'): variant['thumbnail'] = sim_node.getValue("thumbnail", None) variant['variant-of'] = sim_node.getValue("variant-of", None) if sim_node.hasChild('minimum-fg-version'): variant['minimum-fg-version'] = sim_node.getValue('minimum-fg-version', None) #print(" %s" % variant) return variant def extract_previews(previews_node, aircraft_dir): result = [] for node in previews_node.getChildren("preview"): previewType = node.getValue("type", None) previewPath = node.getValue("path", None) # check path exists in base-name-dir fullPath = os.path.join(aircraft_dir, previewPath) if not os.path.isfile(fullPath): warning("Bad preview path, skipping:" + fullPath) continue result.append({'type':previewType, 'path':previewPath}) return result def extract_tags(tags_node, set_path): result = [] for node in tags_node.getChildren("tag"): tag = node.value # check tag is in the allowed list if not catalogTags.isValidTag(tag): warning("Unknown tag value:" + tag + " in " + set_path) result.append(tag) return result # scan all the -set.xml files in an aircraft directory. Returns a # package dict and a list of variants. def scan_aircraft_dir(aircraft_dir, includes): setDicts = [] primaryAircraft = [] package = None files = os.listdir(aircraft_dir) for file in sorted(files, key=lambda s: s.lower()): if file.endswith('-set.xml'): # print('trying: %s' % file) try: d = scan_set_file(aircraft_dir, file, includes) if d == None: continue except: print("Skipping set file since couldn't be parsed: %s %s" % os.path.join(aircraft_dir, file), sys.exc_info()[0]) continue setDicts.append(d) if d['primary-set']: # ensure explicit primary-set aircraft goes first primaryAircraft.insert(0, d) elif d['variant-of'] == None: primaryAircraft.append(d) # print(setDicts) if len(setDicts) == 0: return None, None # use the first one if len(primaryAircraft) == 0: print("Aircraft has no primary aircraft at all: %s" % aircraft_dir) primaryAircraft = [setDicts[0]] package = primaryAircraft[0] if not 'thumbnail' in package: if (os.path.exists(os.path.join(aircraft_dir, "thumbnail.jpg"))): package['thumbnail'] = "thumbnail.jpg" # variants is just all the set dicts except the first one variants = setDicts variants.remove(package) return (package, variants) # create an xml node with text content def make_xml_leaf(name, text): leaf = ET.Element(name) if text != None: if isinstance(text, (int, long)): leaf.text = str(text) else: leaf.text = text else: leaf.text = '' return leaf def append_preview_nodes(node, variant, download_base, package_name): if not 'previews' in variant: return for preview in variant['previews']: preview_node = ET.Element('preview') preview_url = download_base + 'previews/' + package_name + '_' + preview['path'] preview_node.append( make_xml_leaf('type', preview['type']) ) preview_node.append( make_xml_leaf('url', preview_url) ) preview_node.append( make_xml_leaf('path', preview['path']) ) node.append(preview_node) def append_tag_nodes(node, variant): if not 'tags' in variant: return for tag in variant['tags']: node.append(make_xml_leaf('tag', tag)) def append_author_nodes(node, info): if 'authors' in info: node.append(info['authors']._createXMLElement()) if 'author' in info: # traditional single author string node.append( make_xml_leaf('author', info['author']) ) def make_aircraft_node(aircraftDirName, package, variants, downloadBase, mirrors): #print("package: %s" % package) #print("variants: %s" % variants) package_node = ET.Element('package') package_node.append( make_xml_leaf('name', package['name']) ) package_node.append( make_xml_leaf('status', package['status']) ) append_author_nodes(package_node, package) if 'description' in package: package_node.append( make_xml_leaf('description', package['description']) ) if 'minimum-fg-version' in package: package_node.append( make_xml_leaf('minimum-fg-version', package['minimum-fg-version']) ) if 'rating' in package: package_node.append(package['rating']._createXMLElement()) package_node.append( make_xml_leaf('id', package['id']) ) for variant in variants: variant_node = ET.Element('variant') package_node.append(variant_node) variant_node.append( make_xml_leaf('id', variant['id']) ) variant_node.append( make_xml_leaf('name', variant['name']) ) if 'description' in variant: variant_node.append( make_xml_leaf('description', variant['description']) ) if 'author' in variant: variant_node.append( make_xml_leaf('author', variant['author']) ) if 'thumbnail' in variant: # note here we prefix with the package name, since the thumbnail path # is assumed to be unique within the package thumbUrl = downloadBase + "thumbnails/" + aircraftDirName + '_' + variant['thumbnail'] variant_node.append(make_xml_leaf('thumbnail', thumbUrl)) variant_node.append(make_xml_leaf('thumbnail-path', variant['thumbnail'])) variantOf = variant['variant-of'] if variantOf is None: variant_node.append(make_xml_leaf('variant-of', '_primary_')) else: variant_node.append(make_xml_leaf('variant-of', variantOf)) append_preview_nodes(variant_node, variant, downloadBase, aircraftDirName) append_tag_nodes(variant_node, variant) append_author_nodes(variant_node, variant) package_node.append( make_xml_leaf('dir', aircraftDirName) ) # primary URL is first download_url = downloadBase + aircraftDirName + '.zip' package_node.append( make_xml_leaf('url', download_url) ) for m in mirrors: mu = m + aircraftDirName + '.zip' package_node.append( make_xml_leaf('url', mu) ) if 'thumbnail' in package: thumbnail_url = downloadBase + 'thumbnails/' + aircraftDirName + '_' + package['thumbnail'] package_node.append( make_xml_leaf('thumbnail', thumbnail_url) ) package_node.append( make_xml_leaf('thumbnail-path', package['thumbnail'])) append_preview_nodes(package_node, package, downloadBase, aircraftDirName) append_tag_nodes(package_node, package) if 'maintainers' in package: package_node.append(package['maintainers']._createXMLElement()) if 'urls' in package: package_node.append(package['urls']._createXMLElement()) return package_node def make_aircraft_zip(repo_path, craft_name, zip_file, global_zip_excludes, verbose=True): """Create a zip archive of the given aircraft.""" # Printout. if verbose: print("Zip file creation: %s.zip" % craft_name) # Go to the directory of crafts to catalog. savedir = os.getcwd() os.chdir(repo_path) # Clear out the old file. if exists(zip_file): os.remove(zip_file) # Use the Python zipfile module to create the zip file. zip_handle = zipfile.ZipFile(zip_file, 'w', zipfile.ZIP_DEFLATED) # Find a per-craft exclude list. craft_path = join(repo_path, craft_name) exclude_file = join(craft_path, 'zip-excludes.lst') if exists(exclude_file): if verbose: print("Found the craft specific exclusion list '%s'" % exclude_file) # Otherwise use the catalog default exclusion list. else: exclude_file = global_zip_excludes # Process the exclusion list and find all matching file names. blacklist = fetch_zip_exclude_list(craft_name, craft_path, exclude_file) # Walk over all craft files. print_format = " %-30s '%s'" for root, dirs, files in walk(craft_path): # Loop over the files. for file in files: # The directory and relative and absolute paths. dir = relpath(root, start=repo_path) full_path = join(root, file) rel_path = relpath(full_path, start=repo_path) # Skip blacklist files or directories. skip = False if file == 'zip-excludes.lst': if verbose: print(print_format % ("Skipping the file:", join(dir, 'zip-excludes.lst'))) skip = True if dir in blacklist: if verbose: print(print_format % ("Skipping the file:", join(dir, file))) skip = True for name in blacklist: if fnmatch(rel_path, name): if verbose: print(print_format % ("Skipping the file:", rel_path)) skip = True break if skip: continue # Otherwise add the file. zip_handle.write(rel_path) # Clean up. os.chdir(savedir) zip_handle.close() def fetch_zip_exclude_list(name, path, exclude_path): """Use Unix style path regular expression to find all files to exclude.""" # Init. blacklist = [] file = open(exclude_path) exclude_list = file.readlines() file.close() old_path = os.getcwd() os.chdir(path) # Process each exclusion path or regular expression, converting to Python RE objects. reobj_list = [] for i in range(len(exclude_list)): reobj_list.append(re.compile(translate(exclude_list[i].strip()))) # Recursively loop over all files, finding the ones to exclude. for root, dirs, files in walk(path): for file in files: full_path = join(root, file) rel_path = join(name, relpath(full_path, start=path)) # Skip Unix shell-style wildcard matches for i in range(len(reobj_list)): if reobj_list[i].match(rel_path): blacklist.append(rel_path) break # Return to the original path. os.chdir(old_path) # Return the list. return blacklist def parse_config_file(parser=None, file_name=None): """Test and parse the catalog configuration file.""" # Check for the file. if not access(file_name, F_OK): print("CatalogError: The catalog configuration file '%s' cannot be found." % file_name) sys.exit(1) # Parse the XML and return the root node. config = ET.parse(file_name, parser) return config.getroot() def parse_template_file(parser=None, file_name=None): """Test and parse the catalog configuration file.""" # Check for the file. if not access(file_name, F_OK): print("CatalogError: The catalog template file '%s' cannot be found." % file_name) sys.exit(1) # Parse the XML and return the template node. template = ET.parse(file_name, parser) template_root = template.getroot() return template_root.find('template')