def main(args):
try:
url = args[1]
filename = args[2]
except IndexError:
raise ValueError("usage: python copier `url` `filename`")
try:
driver = get_driver(url)
print "loading %s..." % url
driver.execute_script('window.onbeforeunload = function() {}')
driver.get(url)
print "getting handler..."
h = get_handler(driver, url)
print "loaded %s..." % driver.current_url
def handler(event_type, src_path):
# TODO: filename in src_path might be a little insecure
if event_type == "modified" and filename in src_path:
with open(src_path) as f:
contents = f.read()
h(contents)
print contents
print "watching for changes..."
easywatch.watch(".", handler)
finally:
driver.close()
def watch(self):
"""Watch and reload modified templates."""
import easywatch
self.site.logger.info("Watching '%s' for changes...", self.searchpath)
self.site.logger.info("Press Ctrl+C to stop.")
easywatch.watch(self.searchpath, self.event_handler)
def _watch(self):
"""Watch and reload templates."""
import easywatch
self.logger.info("Watching '%s' for changes..." %
self.template_folder)
self.logger.info("Press Ctrl+C to stop.")
def handler(event_type, src_path):
template_name = os.path.relpath(src_path, self.template_folder)
if event_type == "modified":
if src_path.startswith(self.template_folder):
try:
if self.filter_func(template_name):
self.render_template(template_name)
else:
# Wait a bit, since some editors (e.g., vim) make
# the file disappear when writing, and inotify might
# be too fast, put it in the template_names list and
# later fail when trying to access it.
time.sleep(0.1)
# As reported in #16, when an ignored file is changed,
# some dependency management would be required. For
# example, if a _base.html is modified, only those files
# importing it should be regenerated. In the meanwhile...
self.render_templates()
except:
# Keep working, but show exceptions
traceback.print_exc()
easywatch.watch(self.template_folder, handler)
def main(searchpath="templates", outpath=".", filter_func=None, contexts=None,
extensions=None, rules=None, autoreload=True):
"""
Render each of the templates and then recompile on any changes.
* searchpath should be the directory that contains the templates.
Defaults to "templates".
* outpath should be the name of the directory to build the templates to.
* filter_func should be a function that takes a filename and returns
a boolean indicating whether or not a template should be rendered.
Defaults to ignore any files with '.' or '_' prefixes.
* contexts should be a map of template names to functions where each
function should return a context for that template.
* extensions should be any extensions to add to the Environment.
* autoreload should be a boolean indicating whether or not to
automatically recompile templates. Defaults to true.
"""
if extensions is None:
extensions = []
# Get calling module
mod = inspect.getmodule(inspect.stack()[-1][0])
# Absolute path to project
project_path = os.path.realpath(os.path.dirname(mod.__file__))
# Absolute path to templates
template_path = os.path.join(project_path, searchpath)
loader = FileSystemLoader(searchpath=searchpath)
env = Environment(loader=loader,
extensions=extensions)
def build_all():
render_templates(env, outpath, contexts, filter_func=filter_func,
rules=rules)
print "Templates built."
build_all()
if autoreload:
print "Watching '%s' for changes..." % searchpath
print "Press Ctrl+C to stop."
def handler(event_type, src_path):
if event_type == "modified":
if src_path.startswith(template_path):
build_all()
easywatch.watch("./" + searchpath, handler)
set_exit_on_sigint()
print "Process killed."
return 0
def _watch(self):
"""Watch and reload templates."""
import easywatch
self.logger.info("Watching '%s' for changes..." %
self.template_folder)
self.logger.info("Press Ctrl+C to stop.")
def handler(event_type, src_path):
template_name = os.path.relpath(src_path, self.template_folder)
if event_type == "modified":
if src_path.startswith(self.template_folder):
self.render_template(template_name)
easywatch.watch(self.template_folder, handler)
def watch(self):
"""Watch and reload modified templates."""
import easywatch
easywatch.watch(self.searchpath, self.event_handler)
"""
Function that is passed to a watcher that polls for changes
in a directory. This is run when some sort of change (an `event_type`)
is detected.
"""
# there are four kinds of event types:
# created, deleted, modified, moved
# ignore all files that start with `.`
if os.path.basename(src_path)[0] == '.':
return
# only re-build when a file is deleted, modified, or moved
if event_type != 'created':
print('detected a change in ' + src_path)
build('templates', 'templates', 'index.html', '.', 'output.html')
if __name__ == '__main__':
if "--help" in sys.argv or "-h" in sys.argv:
print("python build.py [--watch]")
else:
# if argv = [command name, --watch, ...]
if len(sys.argv) > 1 and sys.argv[1] == '--watch':
import easywatch
print("Watching course-pages/templates for changes")
print("Ctrl-c to quit")
easywatch.watch('./templates/templates', handler)
else:
build('templates', 'templates', 'index.html', '.', 'output.html')
if time.time() - nextRunTime < 0:
print_skip( 'Skipping %s action on %s, timeout from last run (%.02f)' % ( action, filename, nextRunTime - time.time() ) )
return
if action not in args.actions:
print_skip( 'Skipping %s action on %s' % ( action, filename ) )
return
if args.skip_directory and not os.path.isfile( filename ):
print_skip( 'Skipping %s action on %s, is a directory' % ( action, filename ) )
return
for n in skip_regexes:
regex, reason = n
if regex.match( filename ):
print_skip( 'Skipping %s action on %s, %s' % ( action, filename, reason ) )
return
print_start( 'Updating for %s action on %s.' % ( action, filename ) )
run()
nextRunTime = time.time() + float(args.run_wait_time)
print_done( 'Done running command.' )
if args.initial_run:
print_start( 'Doing initial run.' )
run()
print_done( 'Beginning with watching.' )
easywatch.watch( args.path, onUpdate )
if filename.startswith(('.', '_')):
return False
if not filename.endswith('.html'):
return False
return True
def dont_render(*args, **kwargs):
print "Rendering..."
pass
if options.customwatch:
options.dont_stop = True
renderer = Renderer(outpath='./output', rules=[('.*.tmp', dont_render), ('.*.swx', dont_render), ('.*.swp', dont_render)])
renderer._env.filters["markdown"] = markdown_filter
renderer._env.filters['datetimeformat'] = datetimeformat
renderer.filter_func = filter_func
renderer.run(debug=True, use_reloader=not options.dont_stop)
if options.customwatch:
import easywatch
def handler(file, handler):
print "Detected changes: rendering again."
renderer.run(debug=True, use_reloader=False)
print "Render finished. Watching for changes..."
print "Watching out for changes..."
easywatch.watch("./templates", handler)
def watch_assets():
print('Monitoring assets...')
easywatch.watch("./template_assets/", asset_handler)
def watch(self): import easywatch easywatch.watch(self.searchpath, self.eventHandler)
def watch(self):
"""Watch and reload modified templates."""
import easywatch
easywatch.watch(self.searchpath, self.event_handler)
def watch(self):
import easywatch
easywatch.watch(self.watch_paths, self.event_handler)
def watch_assets():
print 'Monitoring assets...'
easywatch.watch("./template_assets/", asset_handler)