text stringlengths 0 828 |
|---|
to contain UTF-8 encoded JSON data. |
"""""" |
with open(filename, 'rb') as f: |
json_graph = f.read().decode('utf-8') |
return cls.from_json(json_graph)" |
1197,"def to_dot(self): |
"""""" |
Produce a graph in DOT format. |
"""""" |
edge_labels = { |
edge.id: edge.annotation |
for edge in self._edges |
} |
edges = [self._format_edge(edge_labels, edge) for edge in self._edges] |
vertices = [ |
DOT_VERTEX_TEMPLATE.format( |
vertex=vertex.id, |
label=dot_quote(vertex.annotation), |
) |
for vertex in self.vertices |
] |
return DOT_DIGRAPH_TEMPLATE.format( |
edges="""".join(edges), |
vertices="""".join(vertices), |
)" |
1198,"def export_image(self, filename='refcycle.png', format=None, |
dot_executable='dot'): |
"""""" |
Export graph as an image. |
This requires that Graphviz is installed and that the ``dot`` |
executable is in your path. |
The *filename* argument specifies the output filename. |
The *format* argument lets you specify the output format. It may be |
any format that ``dot`` understands, including extended format |
specifications like ``png:cairo``. If omitted, the filename extension |
will be used; if no filename extension is present, ``png`` will be |
used. |
The *dot_executable* argument lets you provide a full path to the |
``dot`` executable if necessary. |
"""""" |
# Figure out what output format to use. |
if format is None: |
_, extension = os.path.splitext(filename) |
if extension.startswith('.') and len(extension) > 1: |
format = extension[1:] |
else: |
format = 'png' |
# Convert to 'dot' format. |
dot_graph = self.to_dot() |
# We'll send the graph directly to the process stdin. |
cmd = [ |
dot_executable, |
'-T{}'.format(format), |
'-o{}'.format(filename), |
] |
dot = subprocess.Popen(cmd, stdin=subprocess.PIPE) |
dot.communicate(dot_graph.encode('utf-8'))" |
1199,"def serve_command(info, host, port, reload, debugger, eager_loading, |
with_threads): |
""""""Runs a local development server for the Flask application. |
This local server is recommended for development purposes only but it |
can also be used for simple intranet deployments. By default it will |
not support any sort of concurrency at all to simplify debugging. This |
can be changed with the --with-threads option which will enable basic |
multithreading. |
The reloader and debugger are by default enabled if the debug flag of |
Flask is enabled and disabled otherwise. |
"""""" |
from werkzeug.serving import run_simple |
debug = get_debug_flag() |
if reload is None: |
reload = bool(debug) |
if debugger is None: |
debugger = bool(debug) |
if eager_loading is None: |
eager_loading = not reload |
app = DispatchingApp(info.load_app, use_eager_loading=eager_loading) |
# Extra startup messages. This depends a but on Werkzeug internals to |
# not double execute when the reloader kicks in. |
if os.environ.get('WERKZEUG_RUN_MAIN') != 'true': |
# If we have an import path we can print it out now which can help |
# people understand what's being served. If we do not have an |
# import path because the app was loaded through a callback then |
# we won't print anything. |
if info.app_import_path is not None: |
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