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fgmeta/catalog/update-catalog.py
2016-08-19 06:29:50 -05:00

335 lines
12 KiB
Python
Executable file

#!/usr/bin/python
import argparse
import datetime
import hashlib # md5
import lxml.etree as ET
import os
import re
import shutil
import subprocess
import time
CATALOG_VERSION = 4
parser = argparse.ArgumentParser()
parser.add_argument("--update", help="Update/pull SCM source",
action="store_true")
parser.add_argument("--no-update",
help="Disable updating from SCM source",
action="store_true")
parser.add_argument("--clean", help="Force regeneration of all zip files",
action="store_true")
parser.add_argument("dir", help="Catalog directory")
args = parser.parse_args()
# xml node (robust) get text helper
def get_xml_text(e):
if e != None and e.text != None:
return e.text
else:
return ''
# 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
# return all available aircraft information from the set file as a
# dict
def scan_set_file(set_file):
base_file = os.path.basename(set_file)
base_id = base_file[:-8]
#print ' scanning:', base_file
parser = ET.XMLParser(remove_blank_text=True)
set_xml = ET.parse(set_file, parser)
set_node = set_xml.getroot()
sim_node = set_node.find('sim')
if sim_node == None:
return None
variant = {}
variant['name'] = get_xml_text(sim_node.find('description'))
variant['status'] = get_xml_text(sim_node.find('status'))
variant['author'] = get_xml_text(sim_node.find('author'))
variant['description'] = get_xml_text(sim_node.find('long-description'))
variant['id'] = base_id
rating_node = sim_node.find('rating')
if rating_node != None:
variant['rating_FDM'] = int(get_xml_text(rating_node.find('FDM')))
variant['rating_systems'] = int(get_xml_text(rating_node.find('systems')))
variant['rating_cockpit'] = int(get_xml_text(rating_node.find('cockpit')))
variant['rating_model'] = int(get_xml_text(rating_node.find('model')))
variant['variant-of'] = get_xml_text(sim_node.find('variant-of'))
#print ' ', variant
return variant
# 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):
found_master = False
package = None
variants = []
files = os.listdir(aircraft_dir)
for file in sorted(files, key=lambda s: s.lower()):
if file.endswith('-set.xml'):
variant = scan_set_file(os.path.join(aircraft_dir, file))
if variant == None:
continue
if package == None:
# just in case no one claims to be master, the first
# variant defaults to master, but we will overwrite
# this if we find something better.
package = variant
if not found_master and variant['variant-of'] == '':
found_master = True
package = variant
else:
variants.append( {'id': variant['id'],
'name': variant['name'] } )
return (package, variants)
# use svn commands to report the last change date within dir
def last_change_date_svn(dir):
command = [ 'svn', 'info', dir ]
result = subprocess.check_output( command )
match = re.search('Last Changed Date: (\d+)\-(\d+)\-(\d+)', result)
if match:
rev_str = match.group(1) + match.group(2) + match.group(3)
return int(rev_str)
# find the most recent mtime within a directory subtree
def scan_dir_for_change_date_mtime(path):
maxsec = 0
names = os.listdir(path)
for name in names:
fullname = os.path.join(path, name)
if name == '.' or name == '..':
pass
elif os.path.isdir( fullname ):
mtime = scan_dir_for_change_date_mtime( fullname )
if mtime > maxsec:
maxsec = mtime
else:
mtime = os.path.getmtime( fullname )
if mtime > maxsec:
maxsec = mtime
return maxsec
def make_aircraft_zip(repo_path, name, zip_file):
print "Updating:", name + '.zip'
savedir = os.getcwd()
os.chdir(repo_path)
if os.path.exists(zip_file):
os.remove(zip_file)
command = ['zip', '-rq', '-9']
if os.path.exists(zip_excludes):
command += ['-x@' + zip_excludes]
else:
print "warning: no zip-excludes.lst file provided", zip_excludes
command += [zip_file, name]
subprocess.call(command)
os.chdir(savedir)
def get_md5sum(file):
f = open(file, 'r')
md5sum = hashlib.md5(f.read()).hexdigest()
f.close()
return md5sum
#def get_file_stats(file):
# f = open(file, 'r')
# md5 = hashlib.md5(f.read()).hexdigest()
# file_size = os.path.getsize(file)
# return (md5, file_size)
if not os.path.isdir(args.dir):
print "A valid catalog directory must be provided"
exit(0)
parser = ET.XMLParser(remove_blank_text=True)
config_file = os.path.join(args.dir, 'catalog.config.xml')
config = ET.parse(config_file, parser)
config_node = config.getroot()
template_file = os.path.join(args.dir, 'template.xml')
template = ET.parse(template_file, parser)
template_root = template.getroot()
template_node = template_root.find('template')
md5sum_file = os.path.join(args.dir, 'md5sum.xml')
if os.path.exists(md5sum_file):
md5sum_tree = ET.parse(md5sum_file, parser)
md5sum_root = md5sum_tree.getroot()
else:
md5sum_root = ET.Element('PropertyList')
md5sum_tree = ET.ElementTree(md5sum_root)
scm_list = config_node.findall('scm')
upload_node = config_node.find('upload')
download_base = get_xml_text(config_node.find('download-url'))
output_dir = get_xml_text(config_node.find('local-output'))
if output_dir == '':
output_dir = os.path.join(args.dir, 'output')
if not os.path.isdir(output_dir):
os.mkdir(output_dir)
thumbnail_dir = os.path.join(output_dir, 'thumbnails')
if not os.path.isdir(thumbnail_dir):
os.mkdir(thumbnail_dir)
tmp = os.path.join(args.dir, 'zip-excludes.lst')
zip_excludes = os.path.realpath(tmp)
# freshen repositories
if args.no_update:
print 'Skipping repository updates.'
else:
cwd = os.getcwd()
for scm in scm_list:
repo_type = get_xml_text(scm.find('type'))
repo_path = get_xml_text(scm.find('path'))
if repo_type == 'svn':
print 'SVN update:', repo_path
subprocess.call(['svn', 'update', repo_path])
elif repo_type == 'git':
print 'GIT pull:', repo_path
os.chdir(repo_path)
subprocess.call(['git','pull'])
elif repo_type == 'no-scm':
print "No update of unmannaged files:", repo_path
else:
print "Unknown scm type:", scm, repo_path
os.chdir(cwd)
# names of zip files we want (so we can identify/remove orphans)
valid_zips = []
# create the catalog tree
catalog_node = ET.Element('PropertyList')
catalog_root = ET.ElementTree(catalog_node)
# include the template configuration
for child in template_node:
catalog_node.append(child)
# scan repositories for catalog information
for scm in scm_list:
repo_type = get_xml_text(scm.find('type'))
repo_path = get_xml_text(scm.find('path'))
skip_nodes = scm.findall('skip')
skip_list = []
for s in skip_nodes:
skip_list.append(get_xml_text(s))
print 'skip list:', skip_list
names = os.listdir(repo_path)
for name in sorted(names, key=lambda s: s.lower()):
if name in skip_list:
print "skipping:", name
continue
aircraft_dir = os.path.join(repo_path, name)
if os.path.isdir(aircraft_dir):
print "%s:" % name,
(package, variants) = scan_aircraft_dir(aircraft_dir)
if package == None:
print "skipping:", name, "(no -set.xml files)"
continue
#print "package:", package
#print "variants:", variants
package_node = ET.Element('package')
package_node.append( make_xml_leaf('name', package['name']) )
package_node.append( make_xml_leaf('status', package['status']) )
package_node.append( make_xml_leaf('author', package['author']) )
package_node.append( make_xml_leaf('description', package['description']) )
if 'rating_FDM' in package or 'rating_systems' in package \
or 'rating_cockpit' in package or 'rating_model' in package:
rating_node = ET.Element('rating')
package_node.append(rating_node)
rating_node.append( make_xml_leaf('FDM',
package['rating_FDM']) )
rating_node.append( make_xml_leaf('systems',
package['rating_systems']) )
rating_node.append( make_xml_leaf('cockpit',
package['rating_cockpit']) )
rating_node.append( make_xml_leaf('model',
package['rating_model']) )
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']) )
package_node.append( make_xml_leaf('dir', name) )
if not download_base.endswith('/'):
download_base += '/'
download_url = download_base + name + '.zip'
thumbnail_url = download_base + 'thumbnails/' + name + '_thumbnail.jpg'
package_node.append( make_xml_leaf('url', download_url) )
package_node.append( make_xml_leaf('thumbnail', thumbnail_url) )
# todo: url (download), thumbnail (download url)
# get cached md5sum if it exists
md5sum = get_xml_text(md5sum_root.find(str('aircraft_' + name)))
# now do the packaging and rev number stuff
dir_mtime = scan_dir_for_change_date_mtime(aircraft_dir)
if repo_type == 'svn':
rev = last_change_date_svn(aircraft_dir)
else:
d = datetime.datetime.utcfromtimestamp(dir_mtime)
rev = d.strftime("%Y%m%d")
package_node.append( make_xml_leaf('revision', rev) )
#print "rev:", rev
#print "dir mtime:", dir_mtime
zipfile = os.path.join( output_dir, name + '.zip' )
valid_zips.append(name + '.zip')
if not os.path.exists(zipfile) \
or dir_mtime > os.path.getmtime(zipfile) \
or args.clean:
# rebuild zip file
print "updating:", zipfile
make_aircraft_zip(repo_path, name, zipfile)
md5sum = get_md5sum(zipfile)
else:
print "(no change)"
if md5sum == "":
md5sum = get_md5sum(zipfile)
filesize = os.path.getsize(zipfile)
package_node.append( make_xml_leaf('md5', md5sum) )
package_node.append( make_xml_leaf('file-size-bytes', filesize) )
# handle md5sum cache
node = md5sum_root.find('aircraft_' + name)
if node != None:
node.text = md5sum
else:
md5sum_root.append( make_xml_leaf('aircraft_' + name, md5sum) )
# handle thumbnails
thumbnail_src = os.path.join(aircraft_dir, 'thumbnail.jpg')
thumbnail_dst = os.path.join(thumbnail_dir, name + '_thumbnail.jpg')
if os.path.exists(thumbnail_src):
shutil.copy2(thumbnail_src, thumbnail_dst)
catalog_node.append(package_node)
package_node.append( make_xml_leaf('thumbnail-path', 'thumbnail.jpg') )
# write out the master catalog file
cat_file = os.path.join(output_dir, 'catalog.xml')
catalog_root.write(cat_file, encoding='utf-8', xml_declaration=True, pretty_print=True)
# write out the md5sum cache file
print md5sum_file
md5sum_tree.write(md5sum_file, encoding='utf-8', xml_declaration=True, pretty_print=True)
# look for orphaned zip files
files = os.listdir(output_dir)
for file in files:
if file.endswith('.zip')and not file in valid_zips:
print "orphaned zip:", file