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Source code for galaxy.managers.markdown_util

"""Utilities defining "Galaxy Flavored Markdown".

This is an extension of markdown designed to allow rendering Galaxy object
references.

The core "Galaxy Flavored Markdown" format should just reference objects
by encoded IDs - but preprocessing should allow for instance workflow objects
to be referenced relative to the workflow (inputs, outputs, steps, etc..) and
potential history flavor would allow objects to be referenced by HID. This
second idea is unimplemented, it is just an example of the general concept of
context specific processing.
"""
import abc
import base64
import codecs
import logging
import os
import re
import shutil
import tempfile

import markdown
import pkg_resources
try:
    import weasyprint
except Exception:
    weasyprint = None

from galaxy.exceptions import (
    MalformedContents,
    ServerNotConfiguredForRequest,
)
from galaxy.managers.hdcas import HDCASerializer
from galaxy.managers.jobs import (
    JobManager,
    summarize_job_metrics,
    summarize_job_parameters,
)
from galaxy.model.item_attrs import get_item_annotation_str
from galaxy.model.orm.now import now
from galaxy.util.sanitize_html import sanitize_html
from .markdown_parse import GALAXY_MARKDOWN_FUNCTION_CALL_LINE, validate_galaxy_markdown

log = logging.getLogger(__name__)

ARG_VAL_CAPTURED_REGEX = r'''(?:([\w_\-\|]+)|\"([^\"]+)\"|\'([^\']+)\')'''
OUTPUT_LABEL_PATTERN = re.compile(r'output=\s*%s\s*' % ARG_VAL_CAPTURED_REGEX)
INPUT_LABEL_PATTERN = re.compile(r'input=\s*%s\s*' % ARG_VAL_CAPTURED_REGEX)
STEP_LABEL_PATTERN = re.compile(r'step=\s*%s\s*' % ARG_VAL_CAPTURED_REGEX)
PATH_LABEL_PATTERN = re.compile(r'path=\s*%s\s*' % ARG_VAL_CAPTURED_REGEX)
# STEP_OUTPUT_LABEL_PATTERN = re.compile(r'step_output=([\w_\-]+)/([\w_\-]+)')
UNENCODED_ID_PATTERN = re.compile(r'(history_id|workflow_id|history_dataset_id|history_dataset_collection_id|job_id|invocation_id)=([\d]+)')
ENCODED_ID_PATTERN = re.compile(r'(history_id|workflow_id|history_dataset_id|history_dataset_collection_id|job_id|invocation_id)=([a-z0-9]+)')
INVOCATION_SECTION_MARKDOWN_CONTAINER_LINE_PATTERN = re.compile(
    r"```\s*galaxy\s*"
)
GALAXY_FENCED_BLOCK = re.compile(r'^```\s*galaxy\s*(.*?)^```', re.MULTILINE ^ re.DOTALL)
VALID_CONTAINER_START_PATTERN = re.compile(r"^```\s+[\w]+.*$")


[docs]def ready_galaxy_markdown_for_import(trans, external_galaxy_markdown): """Convert from encoded IDs to decoded numeric IDs for storing in the DB.""" _validate(external_galaxy_markdown, internal=False) def _remap(container, line): id_match = re.search(ENCODED_ID_PATTERN, line) object_id = None if id_match: object_id = id_match.group(2) decoded_id = trans.security.decode_id(object_id) line = line.replace(id_match.group(), "%s=%d" % (id_match.group(1), decoded_id)) return (line, False) internal_markdown = _remap_galaxy_markdown_calls(_remap, external_galaxy_markdown) return internal_markdown
class GalaxyInternalMarkdownDirectiveHandler(metaclass=abc.ABCMeta): def walk(self, trans, internal_galaxy_markdown): hda_manager = trans.app.hda_manager history_manager = trans.app.history_manager workflow_manager = trans.app.workflow_manager job_manager = JobManager(trans.app) collection_manager = trans.app.dataset_collection_manager def _check_object(object_id, line): if object_id is None: raise MalformedContents(f"Missing object identifier [{line}].") def _remap(container, line): id_match = re.search(UNENCODED_ID_PATTERN, line) object_id = None encoded_id = None if id_match: object_id = int(id_match.group(2)) encoded_id = trans.security.encode_id(object_id) line = line.replace(id_match.group(), f"{id_match.group(1)}={encoded_id}") if container == "history_link": _check_object(object_id, line) history = history_manager.get_accessible(object_id, trans.user) rval = self.handle_history_link(line, history) elif container == "history_dataset_display": _check_object(object_id, line) hda = hda_manager.get_accessible(object_id, trans.user) rval = self.handle_dataset_display(line, hda) elif container == "history_dataset_link": _check_object(object_id, line) hda = hda_manager.get_accessible(object_id, trans.user) rval = self.handle_dataset_display(line, hda) elif container == "history_dataset_index": _check_object(object_id, line) hda = hda_manager.get_accessible(object_id, trans.user) rval = self.handle_dataset_display(line, hda) elif container == "history_dataset_embedded": _check_object(object_id, line) hda = hda_manager.get_accessible(object_id, trans.user) rval = self.handle_dataset_embedded(line, hda) elif container == "history_dataset_as_image": _check_object(object_id, line) hda = hda_manager.get_accessible(object_id, trans.user) rval = self.handle_dataset_as_image(line, hda) elif container == "history_dataset_peek": _check_object(object_id, line) hda = hda_manager.get_accessible(object_id, trans.user) rval = self.handle_dataset_peek(line, hda) elif container == "history_dataset_info": _check_object(object_id, line) hda = hda_manager.get_accessible(object_id, trans.user) rval = self.handle_dataset_info(line, hda) elif container == "history_dataset_type": _check_object(object_id, line) hda = hda_manager.get_accessible(object_id, trans.user) rval = self.handle_dataset_type(line, hda) elif container == "history_dataset_name": _check_object(object_id, line) hda = hda_manager.get_accessible(object_id, trans.user) rval = self.handle_dataset_name(line, hda) elif container == "workflow_display": stored_workflow = workflow_manager.get_stored_accessible_workflow(trans, encoded_id) rval = self.handle_workflow_display(line, stored_workflow) elif container == "history_dataset_collection_display": hdca = collection_manager.get_dataset_collection_instance(trans, "history", encoded_id) rval = self.handle_dataset_collection_display(line, hdca) elif container == "tool_stdout": job = job_manager.get_accessible_job(trans, object_id) rval = self.handle_tool_stdout(line, job) elif container == "tool_stderr": job = job_manager.get_accessible_job(trans, object_id) rval = self.handle_tool_stderr(line, job) elif container == "job_parameters": job = job_manager.get_accessible_job(trans, object_id) rval = self.handle_job_parameters(line, job) elif container == "job_metrics": job = job_manager.get_accessible_job(trans, object_id) rval = self.handle_job_metrics(line, job) elif container == "generate_galaxy_version": version = trans.app.config.version_major rval = self.handle_generate_galaxy_version(line, version) elif container == "generate_time": rval = self.handle_generate_time(line, now()) elif container == "invocation_time": invocation = workflow_manager.get_invocation(trans, object_id) rval = self.handle_invocation_time(line, invocation) elif container == "visualization": rval = None else: raise MalformedContents(f"Unknown Galaxy Markdown directive encountered [{container}].") if rval is not None: return rval else: return (line, False) def _remap_container(container, line): try: return _remap(container, line) except Exception as e: return self.handle_error(container, line, str(e)) export_markdown = _remap_galaxy_markdown_calls(_remap_container, internal_galaxy_markdown) return export_markdown @abc.abstractmethod def handle_history_link(self, line, history): pass @abc.abstractmethod def handle_dataset_display(self, line, hda): pass @abc.abstractmethod def handle_dataset_as_image(self, line, hda): pass @abc.abstractmethod def handle_dataset_peek(self, line, hda): pass @abc.abstractmethod def handle_dataset_info(self, line, hda): pass @abc.abstractmethod def handle_dataset_name(self, line, hda): pass @abc.abstractmethod def handle_dataset_type(self, line, hda): pass @abc.abstractmethod def handle_workflow_display(self, line, stored_workflow): pass @abc.abstractmethod def handle_dataset_collection_display(self, line, hdca): pass @abc.abstractmethod def handle_tool_stdout(self, line, job): pass @abc.abstractmethod def handle_tool_stderr(self, line, job): pass @abc.abstractmethod def handle_job_metrics(self, line, job): pass @abc.abstractmethod def handle_job_parameters(self, line, job): pass @abc.abstractmethod def handle_generate_galaxy_version(self, line, galaxy_version): pass @abc.abstractmethod def handle_generate_time(self, line, date): pass @abc.abstractmethod def handle_invocation_time(self, line, date): pass @abc.abstractmethod def handle_error(self, container, line, error): pass class ReadyForExportMarkdownDirectiveHandler(GalaxyInternalMarkdownDirectiveHandler): def __init__(self, trans, extra_rendering_data=None): extra_rendering_data = extra_rendering_data or {} self.trans = trans self.extra_rendering_data = extra_rendering_data def ensure_rendering_data_for(self, object_type, obj): encoded_id = self.trans.security.encode_id(obj.id) if object_type not in self.extra_rendering_data: self.extra_rendering_data[object_type] = {} object_type_data = self.extra_rendering_data[object_type] if encoded_id not in object_type_data: object_type_data[encoded_id] = {} return object_type_data[encoded_id] def extend_history_dataset_rendering_data(self, obj, key, val, default_val): self.ensure_rendering_data_for("history_datasets", obj)[key] = val or default_val def handle_dataset_display(self, line, hda): self.handle_dataset_name(line, hda) self.handle_dataset_type(line, hda) def handle_dataset_embedded(self, line, hda): self.handle_dataset_name(line, hda) def handle_dataset_peek(self, line, hda): self.extend_history_dataset_rendering_data(hda, "peek", hda.peek, "*No Dataset Peek Available*") def handle_dataset_info(self, line, hda): self.extend_history_dataset_rendering_data(hda, "info", hda.info, "*No Dataset Info Available*") def handle_workflow_display(self, line, stored_workflow): self.ensure_rendering_data_for("workflows", stored_workflow)["name"] = stored_workflow.name def handle_dataset_collection_display(self, line, hdca): hdca_serializer = HDCASerializer(self.trans.app) hdca_view = hdca_serializer.serialize_to_view( hdca, user=self.trans.user, trans=self.trans, view="summary" ) self.ensure_rendering_data_for("history_dataset_collections", hdca).update(hdca_view) def handle_tool_stdout(self, line, job): self.ensure_rendering_data_for("jobs", job)["tool_stdout"] = job.tool_stdout or "*No Standard Output Available*" def handle_tool_stderr(self, line, job): self.ensure_rendering_data_for("jobs", job)["tool_stderr"] = job.tool_stderr or "*No Standard Error Available*" def handle_history_link(self, line, history): self.ensure_rendering_data_for("histories", history)["name"] = history.name # Following three cases - the client side widgets have everything they need # from the encoded ID. Don't implement a default on the base class though because # it is good to force both Client and PDF/HTML export to deal with each new directive # explicitly. def handle_dataset_as_image(self, line, hda): pass def handle_job_metrics(self, line, job): pass def handle_job_parameters(self, line, job): pass def handle_generate_galaxy_version(self, line, generate_version): pass def handle_generate_time(self, line, generate_time): pass def handle_invocation_time(self, line, invocation): self.ensure_rendering_data_for("invocations", invocation)["create_time"] = invocation.create_time.isoformat() def handle_dataset_type(self, line, hda): self.extend_history_dataset_rendering_data(hda, "ext", hda.ext, "*Unknown dataset type*") def handle_dataset_name(self, line, hda): self.extend_history_dataset_rendering_data(hda, "name", hda.name, "*Unknown dataset name*") def handle_error(self, container, line, error): if "errors" not in self.extra_rendering_data: self.extra_rendering_data["errors"] = [] self.extra_rendering_data["errors"].append({ "error": error, "line": line, "container": container, }) return (line, False)
[docs]def ready_galaxy_markdown_for_export(trans, internal_galaxy_markdown): """Fill in details needed to render Galaxy flavored markdown. Take it from a minimal internal version to an externally render-able version with more details populated and actual IDs replaced with encoded IDs to render external links. Return expanded markdown and extra data useful for rendering custom container tags. """ extra_rendering_data = { "generate_time": now().isoformat(), "generate_version": trans.app.config.version_major, } # Walk Galaxy directives inside the Galaxy Markdown and collect dict-ified data # needed to render this efficiently. directive_handler = ReadyForExportMarkdownDirectiveHandler(trans, extra_rendering_data) export_markdown = directive_handler.walk(trans, internal_galaxy_markdown) return export_markdown, extra_rendering_data
class ToBasicMarkdownDirectiveHandler(GalaxyInternalMarkdownDirectiveHandler): def __init__(self, trans, markdown_formatting_helpers): self.trans = trans self.markdown_formatting_helpers = markdown_formatting_helpers def handle_dataset_display(self, line, hda): name = hda.name or "" markdown = '---\n' markdown += f"**Dataset:** {name}\n\n" markdown += self._display_dataset_content(hda) markdown += '\n---\n' return (markdown, True) def handle_dataset_embedded(self, line, hda): datatype = hda.datatype markdown = "" # subtly different than below since no Contents: prefix and new lines and such. if datatype is None: markdown += "*cannot display - cannot format unknown datatype*\n\n" else: markdown += datatype.display_as_markdown(hda, self.markdown_formatting_helpers) return (markdown, True) def _display_dataset_content(self, hda, header="Contents"): datatype = hda.datatype markdown = "" if datatype is None: markdown += f"**{header}:** *cannot display - cannot format unknown datatype*\n\n" else: markdown += f"**{header}:**\n" markdown += datatype.display_as_markdown(hda, self.markdown_formatting_helpers) return markdown def handle_dataset_as_image(self, line, hda): dataset = hda.dataset name = hda.name or '' path_match = re.search(PATH_LABEL_PATTERN, line) if path_match: filepath = path_match.group(2) file = os.path.join(hda.extra_files_path, filepath) else: file = dataset.file_name with open(file, "rb") as f: base64_image_data = base64.b64encode(f.read()).decode("utf-8") rval = (f"![{name}](data:image/png;base64,{base64_image_data})", True) return rval def handle_history_link(self, line, history): if history: content = self.markdown_formatting_helpers.literal_via_fence(history.name) else: content = "*No History available*" return (content, True) def handle_dataset_peek(self, line, hda): if hda.peek: content = self.markdown_formatting_helpers.literal_via_fence(hda.peek) else: content = "*No Dataset Peek Available*" return (content, True) def handle_dataset_info(self, line, hda): if hda.info: content = self.markdown_formatting_helpers.literal_via_fence(hda.info) else: content = "*No Dataset Info Available*" return (content, True) def handle_workflow_display(self, line, stored_workflow): # workflows/display.mako as markdown... meh... markdown = '---\n' markdown += f"**Workflow:** {stored_workflow.name}\n\n" markdown += "**Steps:**\n\n" markdown += "|Step|Annotation|\n" markdown += "|----|----------|\n" # Pass two should add tool information, labels, etc.. but # it requires module_injector and such. for order_index, step in enumerate(stored_workflow.latest_workflow.steps): annotation = get_item_annotation_str(self.trans.sa_session, self.trans.user, step) or '' markdown += "|{}|{}|\n".format(step.label or "Step %d" % (order_index + 1), annotation) markdown += "\n---\n" return (markdown, True) def handle_dataset_collection_display(self, line, hdca): name = hdca.name or "" # put it in a list to hack around no nonlocal on Python 2. markdown_wrapper = [f"**Dataset Collection:** {name}\n\n"] def walk_elements(collection, element_prefix=""): if ":" in collection.collection_type: for element in collection.elements: walk_elements(element.child_collection, f"{element_prefix + element.element_identifier}:") else: for element in collection.elements: markdown_wrapper[0] += f"**Element:** {element_prefix}{element.element_identifier}\n\n" markdown_wrapper[0] += self._display_dataset_content(element.hda, header="Element Contents") walk_elements(hdca.collection) markdown = f'---\n{markdown_wrapper[0]}\n---\n' return (markdown, True) def handle_tool_stdout(self, line, job): stdout = job.tool_stdout or "*No Standard Output Available*" return (f"**Standard Output:** {stdout}", True) def handle_tool_stderr(self, line, job): stderr = job.tool_stderr or "*No Standard Error Available*" return (f"**Standard Error:** {stderr}", True) def handle_job_metrics(self, line, job): job_metrics = summarize_job_metrics(self.trans, job) metrics_by_plugin = {} for job_metric in job_metrics: plugin = job_metric["plugin"] if plugin not in metrics_by_plugin: metrics_by_plugin[plugin] = {} metrics_by_plugin[plugin][job_metric["title"]] = job_metric["value"] markdown = "" for metric_plugin, metrics_for_plugin in metrics_by_plugin.items(): markdown += f"**{metric_plugin}**\n\n" markdown += "| | |\n|---|--|\n" for title, value in metrics_for_plugin.items(): markdown += f"| {title} | {value} |\n" return (markdown, True) def handle_job_parameters(self, line, job): markdown = """ | Input Parameter | Value | |-----------------|-------| """ parameters = summarize_job_parameters(self.trans, job)["parameters"] for parameter in parameters: markdown += "| " depth = parameter["depth"] if depth > 1: markdown += f"{'>' * (parameter['depth'] - 1)} " markdown += parameter["text"] markdown += " | " value = parameter["value"] if isinstance(value, list): markdown += ", ".join(f"{p['hid']}: {p['name']}" for p in value) else: markdown += value markdown += " |\n" return (markdown, True) def handle_generate_galaxy_version(self, line, generate_version): if generate_version: content = self.markdown_formatting_helpers.literal_via_fence(generate_version) else: content = "*No Galaxy Version Available*" return (content, True) def handle_generate_time(self, line, generate_time): content = self.markdown_formatting_helpers.literal_via_fence(generate_time.isoformat()) return (content, True) def handle_invocation_time(self, line, invocation): content = self.markdown_formatting_helpers.literal_via_fence(invocation.create_time.isoformat()) return (content, True) def handle_dataset_name(self, line, hda): if hda.name: content = self.markdown_formatting_helpers.literal_via_fence(hda.name) else: content = "*No Dataset Name Available*" return (content, True) def handle_dataset_type(self, line, hda): if hda.ext: content = self.markdown_formatting_helpers.literal_via_fence(hda.ext) else: content = "*No Dataset Type Available*" return (content, True) def handle_error(self, container, line, error): return (line, False) class MarkdownFormatHelpers: """Inject common markdown formatting helpers for per-datatype rendering.""" @staticmethod def literal_via_fence(content): return "\n%s\n" % "\n".join(f" {line}" for line in content.splitlines()) @staticmethod def indicate_data_truncated(): return "\n**Warning:** The above data has been truncated to be embedded in this document.\n\n" @staticmethod def pre_formatted_contents(markdown): return f"<pre>{markdown}</pre>" def to_basic_markdown(trans, internal_galaxy_markdown): """Replace Galaxy Markdown extensions with plain Markdown for PDF/HTML export. """ markdown_formatting_helpers = MarkdownFormatHelpers() directive_handler = ToBasicMarkdownDirectiveHandler(trans, markdown_formatting_helpers) plain_markdown = directive_handler.walk(trans, internal_galaxy_markdown) return plain_markdown def to_html(basic_markdown): # Allow data: urls so we can embed images. html = sanitize_html(markdown.markdown(basic_markdown, extensions=["tables"]), allow_data_urls=True) return html def to_pdf(trans, basic_markdown, css_paths=None) -> bytes: css_paths = css_paths or [] as_html = to_html(basic_markdown) directory = tempfile.mkdtemp('gxmarkdown') index = os.path.join(directory, "index.html") try: output_file = codecs.open(index, "w", encoding="utf-8", errors="xmlcharrefreplace") output_file.write(as_html) output_file.close() html = weasyprint.HTML(filename=index) stylesheets = [weasyprint.CSS(string=pkg_resources.resource_string(__name__, 'markdown_export_base.css'))] for css_path in css_paths: with open(css_path) as f: css_content = f.read() css = weasyprint.CSS(string=css_content) stylesheets.append(css) return html.write_pdf(stylesheets=stylesheets) # font_config = FontConfiguration() # stylesheets=[css], font_config=font_config finally: shutil.rmtree(directory) def weasyprint_available() -> bool: return weasyprint is not None def _check_can_convert_to_pdf_or_raise(): """Checks if the HTML to PDF converter is available.""" if not weasyprint_available(): raise ServerNotConfiguredForRequest("PDF conversion service not available.")
[docs]def internal_galaxy_markdown_to_pdf(trans, internal_galaxy_markdown, document_type) -> bytes: _check_can_convert_to_pdf_or_raise() basic_markdown = to_basic_markdown(trans, internal_galaxy_markdown) config = trans.app.config document_type_prologue = getattr(config, f"markdown_export_prologue_{document_type}s", '') or '' document_type_epilogue = getattr(config, f"markdown_export_epilogue_{document_type}s", '') or '' general_prologue = config.markdown_export_prologue or '' general_epilogue = config.markdown_export_epilogue or '' effective_prologue = document_type_prologue or general_prologue effective_epilogue = document_type_epilogue or general_epilogue branded_markdown = effective_prologue + basic_markdown + effective_epilogue css_paths = [] general_css_path = trans.app.config.markdown_export_css document_type_css_path = getattr(config, f"markdown_export_css_{document_type}s", None) if general_css_path and os.path.exists(general_css_path): css_paths.append(general_css_path) if document_type_css_path and os.path.exists(document_type_css_path): css_paths.append(document_type_css_path) return to_pdf(trans, branded_markdown, css_paths=css_paths)
[docs]def resolve_invocation_markdown(trans, invocation, workflow_markdown): """Resolve invocation objects to convert markdown to 'internal' representation. Replace references to abstract workflow parts with actual galaxy object IDs corresponding to the actual executed workflow. For instance: convert output=name -to- history_dataset_id=<id> | history_dataset_collection_id=<id> convert input=name -to- history_dataset_id=<id> | history_dataset_collection_id=<id> convert step=name -to- job_id=<id> Also expand/convert workflow invocation specific container sections into actual Galaxy markdown - these containers include: invocation_inputs, invocation_outputs, invocation_workflow. Hopefully this list will be expanded to include invocation_qc. """ # TODO: convert step outputs? # convert step_output=index/name -to- history_dataset_id=<id> | history_dataset_collection_id=<id> def _section_remap(container, line): section_markdown = "" if container == "invocation_outputs": for output_assoc in invocation.output_associations: if not output_assoc.workflow_output.label: continue if output_assoc.history_content_type == "dataset": section_markdown += """#### Output Dataset: {} ```galaxy history_dataset_display(output="{}") ``` """.format(output_assoc.workflow_output.label, output_assoc.workflow_output.label) else: section_markdown += """#### Output Dataset Collection: {} ```galaxy history_dataset_collection_display(output="{}") ``` """.format(output_assoc.workflow_output.label, output_assoc.workflow_output.label) elif container == "invocation_inputs": for input_assoc in invocation.input_associations: if not input_assoc.workflow_step.label: continue if input_assoc.history_content_type == "dataset": section_markdown += """#### Input Dataset: {} ```galaxy history_dataset_display(input="{}") ``` """.format(input_assoc.workflow_step.label, input_assoc.workflow_step.label) else: section_markdown += """#### Input Dataset Collection: {} ```galaxy history_dataset_collection_display(input={}) ``` """.format(input_assoc.workflow_step.label, input_assoc.workflow_step.label) else: return line, False return section_markdown, True def _remap(container, line): if container == "workflow_display": # TODO: this really should be workflow id not stored workflow id but the API # it consumes wants the stored id. return (f"workflow_display(workflow_id={invocation.workflow.stored_workflow.id})\n", False) if container == "history_link": return (f"history_link(history_id={invocation.history.id})\n", False) if container == "invocation_time": return (f"invocation_time(invocation_id={invocation.id})\n", False) ref_object_type = None output_match = re.search(OUTPUT_LABEL_PATTERN, line) input_match = re.search(INPUT_LABEL_PATTERN, line) step_match = re.search(STEP_LABEL_PATTERN, line) def find_non_empty_group(match): for group in match.groups(): if group: return group if output_match: target_match = output_match name = find_non_empty_group(target_match) ref_object = invocation.get_output_object(name) elif input_match: target_match = input_match name = find_non_empty_group(target_match) ref_object = invocation.get_input_object(name) elif step_match: target_match = step_match name = find_non_empty_group(target_match) ref_object_type = "job" ref_object = invocation.step_invocation_for_label(name).job else: target_match = None ref_object = None if ref_object: if ref_object_type is None: if ref_object.history_content_type == "dataset": ref_object_type = "history_dataset" else: ref_object_type = "history_dataset_collection" line = line.replace(target_match.group(), f"{ref_object_type}_id={ref_object.id}") return (line, False) workflow_markdown = _remap_galaxy_markdown_calls( _section_remap, workflow_markdown, ) galaxy_markdown = _remap_galaxy_markdown_calls(_remap, workflow_markdown) return galaxy_markdown
def _remap_galaxy_markdown_containers(func, markdown): new_markdown = markdown searching_from = 0 while True: from_markdown = new_markdown[searching_from:] match = re.search(GALAXY_FENCED_BLOCK, from_markdown) if match is not None: replace = match.group(1) (replacement, whole_block) = func(replace) if whole_block: start_pos = match.start() end_pos = match.end() else: start_pos = match.start(1) end_pos = match.end(1) start_pos = start_pos + searching_from end_pos = end_pos + searching_from new_markdown = new_markdown[:start_pos] + replacement + new_markdown[end_pos:] searching_from = start_pos + len(replacement) else: break return new_markdown def _remap_galaxy_markdown_calls(func, markdown): def _remap_container(container): matching_line = None for line in container.splitlines(): if GALAXY_MARKDOWN_FUNCTION_CALL_LINE.match(line): assert matching_line is None matching_line = line if matching_line: match = GALAXY_MARKDOWN_FUNCTION_CALL_LINE.match(line) return func(match.group(1), f"{matching_line}\n") else: return (container, True) return _remap_galaxy_markdown_containers(_remap_container, markdown) def _validate(*args, **kwds): """Light wrapper around validate_galaxy_markdown to throw galaxy exceptions instead of ValueError.""" try: return validate_galaxy_markdown(*args, **kwds) except ValueError as e: raise MalformedContents(str(e)) __all__ = ( 'internal_galaxy_markdown_to_pdf', 'ready_galaxy_markdown_for_export', 'ready_galaxy_markdown_for_import', 'resolve_invocation_markdown', )