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plots.py
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plots.py
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import argparse
import json
import logging
import os
from funcy import first
from dvc.cli import completion
from dvc.cli.command import CmdBase
from dvc.cli.utils import append_doc_link, fix_subparsers
from dvc.exceptions import DvcException
from dvc.ui import ui
from dvc.utils import format_link
logger = logging.getLogger(__name__)
def _show_json(renderers, split=False):
from dvc.render.convert import to_json
result = {
renderer.name: to_json(renderer, split) for renderer in renderers
}
ui.write_json(result)
def _adjust_vega_renderers(renderers):
from dvc.render import VERSION_FIELD
from dvc_render import VegaRenderer
for r in renderers:
if isinstance(r, VegaRenderer):
if _data_versions_count(r) > 1:
summary = _summarize_version_infos(r)
for dp in r.datapoints:
vi = dp.pop(VERSION_FIELD, {})
keys = list(vi.keys())
for key in keys:
if not (len(summary.get(key, set())) > 1):
vi.pop(key)
if vi:
dp["rev"] = "::".join(vi.values())
else:
for dp in r.datapoints:
dp.pop(VERSION_FIELD, {})
def _summarize_version_infos(renderer):
from collections import defaultdict
from dvc.render import VERSION_FIELD
result = defaultdict(set)
for dp in renderer.datapoints:
for key, value in dp.get(VERSION_FIELD, {}).items():
result[key].add(value)
return dict(result)
def _data_versions_count(renderer):
from itertools import product
summary = _summarize_version_infos(renderer)
x = product(summary.get("filename", {None}), summary.get("field", {None}))
return len(set(x))
def _filter_unhandled_renderers(renderers):
# filtering out renderers currently unhandled by vscode extension
from dvc_render import VegaRenderer
def _is_json_viable(r):
return not (
isinstance(r, VegaRenderer) and _data_versions_count(r) > 1
)
return list(filter(_is_json_viable, renderers))
class CmdPlots(CmdBase):
def _func(self, *args, **kwargs):
raise NotImplementedError
def _props(self):
from dvc.schema import PLOT_PROPS
# Pass only props specified by user, to not shadow ones from plot def
props = {p: getattr(self.args, p) for p in PLOT_PROPS}
return {k: v for k, v in props.items() if v is not None}
def _config_files(self):
config_files = None
if self.args.from_config:
config_files = {self.args.from_config}
return config_files
def _html_template_path(self):
html_template_path = self.args.html_template
if not html_template_path:
html_template_path = self.repo.config.get("plots", {}).get(
"html_template", None
)
if html_template_path and not os.path.isabs(html_template_path):
html_template_path = os.path.join(
self.repo.dvc_dir, html_template_path
)
return html_template_path
def run(self):
from pathlib import Path
from dvc.render.match import match_defs_renderers
from dvc_render import render_html
if self.args.show_vega:
if not self.args.targets:
logger.error("please specify a target for `--show-vega`")
return 1
if len(self.args.targets) > 1:
logger.error(
"you can only specify one target for `--show-vega`"
)
return 1
if self.args.json:
logger.error(
"'--show-vega' and '--json' are mutually exclusive "
"options."
)
return 1
try:
plots_data = self._func(
targets=self.args.targets,
props=self._props(),
config_files=self._config_files(),
)
if not plots_data:
ui.error_write(
"No plots were loaded, "
"visualization file will not be created."
)
out: str = self.args.out or self.repo.config.get("plots", {}).get(
"out_dir", "dvc_plots"
)
renderers_out = (
out if self.args.json else os.path.join(out, "static")
)
renderers = match_defs_renderers(
data=plots_data,
out=renderers_out,
templates_dir=self.repo.plots.templates_dir,
)
if self.args.show_vega:
renderer = first(filter(lambda r: r.TYPE == "vega", renderers))
if renderer:
ui.write_json(json.loads(renderer.get_filled_template()))
return 0
if self.args.json:
renderers = _filter_unhandled_renderers(renderers)
_show_json(renderers, self.args.split)
return 0
_adjust_vega_renderers(renderers)
output_file: Path = (Path.cwd() / out).resolve() / "index.html"
if renderers:
render_html(
renderers=renderers,
output_file=output_file,
template_path=self._html_template_path(),
)
ui.write(output_file.as_uri())
auto_open = self.repo.config["plots"].get("auto_open", False)
if self.args.open or auto_open:
if not auto_open:
ui.write(
"To enable auto opening, you can run:\n"
"\n"
"\tdvc config plots.auto_open true"
)
return ui.open_browser(output_file)
return 0
except DvcException:
logger.exception("")
return 1
class CmdPlotsShow(CmdPlots):
UNINITIALIZED = True
def _func(self, *args, **kwargs):
return self.repo.plots.show(*args, **kwargs)
class CmdPlotsDiff(CmdPlots):
UNINITIALIZED = True
def _func(self, *args, **kwargs):
return self.repo.plots.diff(
*args,
revs=self.args.revisions,
experiment=self.args.experiment,
**kwargs,
)
class CmdPlotsModify(CmdPlots):
def run(self):
self.repo.plots.modify(
self.args.target, props=self._props(), unset=self.args.unset
)
return 0
class CmdPlotsTemplates(CmdBase):
TEMPLATES_CHOICES = [
"simple",
"linear",
"confusion",
"confusion_normalized",
"scatter",
"smooth",
]
def run(self):
from dvc_render.vega_templates import dump_templates
try:
out = (
os.path.join(os.getcwd(), self.args.out)
if self.args.out
else self.repo.plots.templates_dir
)
targets = [self.args.target] if self.args.target else None
dump_templates(output=out, targets=targets)
templates_path = os.path.relpath(out, os.getcwd())
ui.write(f"Templates have been written into '{templates_path}'.")
return 0
except DvcException:
logger.exception("")
return 1
def add_parser(subparsers, parent_parser):
PLOTS_HELP = "Commands to visualize and compare plot data."
plots_parser = subparsers.add_parser(
"plots",
parents=[parent_parser],
description=append_doc_link(PLOTS_HELP, "plots"),
help=PLOTS_HELP,
formatter_class=argparse.RawDescriptionHelpFormatter,
)
plots_subparsers = plots_parser.add_subparsers(
dest="cmd",
help="Use `dvc plots CMD --help` to display command-specific help.",
)
fix_subparsers(plots_subparsers)
SHOW_HELP = (
"Generate plots from target files or plots definitions from "
"`dvc.yaml` file."
)
plots_show_parser = plots_subparsers.add_parser(
"show",
parents=[parent_parser],
description=append_doc_link(SHOW_HELP, "plots/show"),
help=SHOW_HELP,
formatter_class=argparse.RawDescriptionHelpFormatter,
)
plots_show_parser.add_argument(
"targets",
nargs="*",
help="Plots to visualize. Supports any file path, or plot name "
"defined in `dvc.yaml`. "
"Shows all plots by default.",
).complete = completion.FILE
_add_props_arguments(plots_show_parser)
_add_output_argument(plots_show_parser)
_add_ui_arguments(plots_show_parser)
plots_show_parser.set_defaults(func=CmdPlotsShow)
PLOTS_DIFF_HELP = (
"Show multiple versions of plot data "
"by plotting them in a single image."
)
plots_diff_parser = plots_subparsers.add_parser(
"diff",
parents=[parent_parser],
description=append_doc_link(PLOTS_DIFF_HELP, "plots/diff"),
help=PLOTS_DIFF_HELP,
formatter_class=argparse.RawDescriptionHelpFormatter,
)
plots_diff_parser.add_argument(
"--targets",
nargs="*",
help=(
"Specific plots to visualize. "
"Accepts any file path or plot name from `dvc.yaml` file. "
"Shows all tracked plots by default."
),
metavar="<paths>",
).complete = completion.FILE
plots_diff_parser.add_argument(
"-e",
"--experiment",
action="store_true",
default=False,
help=argparse.SUPPRESS,
)
plots_diff_parser.add_argument(
"revisions", nargs="*", default=None, help="Git commits to plot from"
)
_add_props_arguments(plots_diff_parser)
_add_output_argument(plots_diff_parser)
_add_ui_arguments(plots_diff_parser)
plots_diff_parser.set_defaults(func=CmdPlotsDiff)
PLOTS_MODIFY_HELP = (
"Modify display properties of data-series plot outputs "
"(has no effect on image-type plots)."
)
plots_modify_parser = plots_subparsers.add_parser(
"modify",
parents=[parent_parser],
description=append_doc_link(PLOTS_MODIFY_HELP, "plots/modify"),
help=PLOTS_MODIFY_HELP,
formatter_class=argparse.RawDescriptionHelpFormatter,
)
plots_modify_parser.add_argument(
"target", help="Plot output to set properties to"
).complete = completion.FILE
_add_props_arguments(plots_modify_parser)
plots_modify_parser.add_argument(
"--unset",
nargs="*",
metavar="<property>",
help="Unset one or more display properties.",
)
plots_modify_parser.set_defaults(func=CmdPlotsModify)
TEMPLATES_HELP = (
"Write built-in plots templates to a directory "
"(.dvc/plots by default)."
)
plots_templates_parser = plots_subparsers.add_parser(
"templates",
parents=[parent_parser],
description=append_doc_link(TEMPLATES_HELP, "plots/templates"),
help=TEMPLATES_HELP,
formatter_class=argparse.RawDescriptionHelpFormatter,
)
plots_templates_parser.add_argument(
"target",
default=None,
nargs="?",
choices=CmdPlotsTemplates.TEMPLATES_CHOICES,
help="Template to write. Writes all templates by default.",
)
_add_output_argument(plots_templates_parser, typ="templates")
plots_templates_parser.set_defaults(func=CmdPlotsTemplates)
def _add_props_arguments(parser):
parser.add_argument(
"-t",
"--template",
nargs="?",
default=None,
help=(
"Special JSON or HTML schema file to inject with the data. "
"See {}".format(
format_link("https://man.dvc.org/plots#plot-templates")
)
),
metavar="<path>",
).complete = completion.FILE
parser.add_argument(
"-x", default=None, help="Field name for X axis.", metavar="<field>"
)
parser.add_argument(
"-y", default=None, help="Field name for Y axis.", metavar="<field>"
)
parser.add_argument(
"--no-header",
action="store_false",
dest="header",
default=None, # Use default None to distinguish when it's not used
help="Provided CSV or TSV datafile does not have a header.",
)
parser.add_argument(
"--title", default=None, metavar="<text>", help="Plot title."
)
parser.add_argument(
"--x-label", default=None, help="X axis label", metavar="<text>"
)
parser.add_argument(
"--y-label", default=None, help="Y axis label", metavar="<text>"
)
def _add_output_argument(parser, typ="plots"):
parser.add_argument(
"-o",
"--out",
default=None,
help=f"Directory to save {typ} to.",
metavar="<path>",
).complete = completion.DIR
def _add_ui_arguments(parser):
parser.add_argument(
"--show-vega",
action="store_true",
default=False,
help="Show output in Vega format.",
)
parser.add_argument(
"--json",
"--show-json",
action="store_true",
default=False,
help=argparse.SUPPRESS,
)
parser.add_argument(
"--split", action="store_true", default=False, help=argparse.SUPPRESS
)
parser.add_argument(
"--open",
action="store_true",
default=False,
help="Open plot file directly in the browser.",
)
parser.add_argument(
"--html-template",
default=None,
help="Custom HTML template for VEGA visualization.",
metavar="<path>",
)
parser.add_argument(
"--from-config",
default=None,
metavar="<path>",
help=argparse.SUPPRESS,
)