def lookup_shader_crc(crc, index):
shaders = index['shaders']
if crc not in shaders:
return []
shader = shaders[crc]
posts = index['posts']
result = []
for i, sha in enumerate(shader, 1):
result_distinct = {'posts': [], 'shader': None}
for post_url in shader[sha]:
post = posts[post_url]
downloads = []
for (url, zip_path) in shader[sha][post_url]:
downloads.append({
'url': url,
'path': zip_path,
})
if result_distinct['shader'] is None:
filename = shaderutil.url_to_download_path(
url, download_dir)
result_distinct['shader'] = extract_shader(
filename, zip_path)
result_distinct['posts'].append({
'title': post['title'],
'author': post['author'],
'url': post_url,
'downloads': downloads,
})
if result_distinct['shader'] is not None:
result.append(result_distinct)
return result
def lookup_shader_crc(crc, index):
shaders = index["shaders"]
if crc not in shaders:
return []
shader = shaders[crc]
posts = index["posts"]
result = []
for i, sha in enumerate(shader, 1):
result_distinct = {"posts": [], "shader": None}
for post_url in shader[sha]:
post = posts[post_url]
downloads = []
for (url, zip_path) in shader[sha][post_url]:
downloads.append({"url": url, "path": zip_path})
if result_distinct["shader"] is None:
filename = shaderutil.url_to_download_path(url, download_dir)
result_distinct["shader"] = extract_shader(filename, zip_path)
result_distinct["posts"].append(
{"title": post["title"], "author": post["author"], "url": post_url, "downloads": downloads}
)
if result_distinct["shader"] is not None:
result.append(result_distinct)
return result
def download_file(url):
try:
os.mkdir(download_dir)
except OSError:
pass
dest = shaderutil.url_to_download_path(url, download_dir)
if os.path.exists(dest):
# We check ctime here, since atime can be updated by simply reading the
# file, and we want mtime to match the upstream file. ctime could also
# be modified externally (chmod, chown, etc), but that's not really an
# issue since it won't matter if we miss one update here or there.
st = os.stat(dest)
if time.time() - st.st_ctime < poll_updates:
return dest
last_modified = get_url_last_modified(url)
if int(st.st_mtime) == last_modified:
# FIXME: Also check file size matches Content-Length
# print('Skipping %s - up to date' % url)
# We want to update ctime to indicate that we have checked this
# file for updates without modifying it. One way we can achieve
# this is to touch it's permissions (setting them to their current
# value is sufficient).
# NOTE that this won't work on Windows, where ctime is the creation
# time rather than the inode modified time.
os.chmod(dest, os.stat(dest).st_mode)
return dest
rename_to = '%s~%s' % (time.strftime(
"%Y%m%d%H%M%S", time.gmtime(st.st_mtime)), os.path.basename(dest))
rename_to = os.path.join(os.path.dirname(dest), rename_to)
print('%s updated' % url)
os.rename(dest, rename_to)
print('old file backed up as %s' % rename_to)
recursive_mkdir(os.path.dirname(dest))
with open(dest, 'wb') as f:
try:
print('Downloading %s...' % url, end='')
sys.stdout.flush()
with urllib.request.urlopen(url) as download:
last_modified = http_date.parse_http_date(
download.getheader('Last-Modified'))
while True:
buf = download.read(64 * 1024)
if not buf:
break
f.write(buf)
print('.', end='')
sys.stdout.flush()
print('Done.')
except:
try:
os.remove(dest)
except:
pass
else:
print('\nRemoved partially downloaded %s' % dest)
raise
os.utime(dest, (time.time(), last_modified))
return dest
def download_file(url):
try:
os.mkdir(download_dir)
except OSError:
pass
dest = shaderutil.url_to_download_path(url, download_dir)
if os.path.exists(dest):
# We check ctime here, since atime can be updated by simply reading the
# file, and we want mtime to match the upstream file. ctime could also
# be modified externally (chmod, chown, etc), but that's not really an
# issue since it won't matter if we miss one update here or there.
st = os.stat(dest)
if time.time() - st.st_ctime < poll_updates:
return dest
# Dropbox URLs don't return a Last-Modified header
last_modified = get_url_last_modified(url)
if int(st.st_mtime) == last_modified or last_modified is None:
# FIXME: Also check file size matches Content-Length
# print('Skipping %s - up to date' % url)
# We want to update ctime to indicate that we have checked this
# file for updates without modifying it. One way we can achieve
# this is to touch it's permissions (setting them to their current
# value is sufficient).
# NOTE that this won't work on Windows, where ctime is the creation
# time rather than the inode modified time.
os.chmod(dest, os.stat(dest).st_mode)
return dest
rename_to = '%s~%s' % (time.strftime("%Y%m%d%H%M%S", time.gmtime(st.st_mtime)), os.path.basename(dest))
rename_to = os.path.join(os.path.dirname(dest), rename_to)
print('%s updated' % url)
os.rename(dest, rename_to)
print('old file backed up as %s' % rename_to)
recursive_mkdir(os.path.dirname(dest))
with open(dest, 'wb') as f:
try:
print('Downloading %s...' % url, end='')
sys.stdout.flush()
with urllib.request.urlopen(url) as download:
last_modified = download.getheader('Last-Modified')
# Dropbox URLs don't return a Last-Modified header
if last_modified is not None:
last_modified = http_date.parse_http_date(last_modified)
while True:
buf = download.read(64*1024)
if not buf:
break
f.write(buf)
print('.', end='')
sys.stdout.flush()
print('Done.')
except:
try:
os.remove(dest)
except:
pass
else:
print('\nRemoved partially downloaded %s' % dest)
raise
if last_modified is not None:
os.utime(dest, (time.time(), last_modified))
return dest
