From 00ac479b0de0b59633eff38f8d5fe249f2a8d81f Mon Sep 17 00:00:00 2001
From: Michele Carignani <michele.carignani@etsi.org>
Date: Sun, 29 Nov 2020 11:50:09 +0100
Subject: [PATCH] add example module
---
src/example.py | 99 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 99 insertions(+)
create mode 100644 src/example.py
diff --git a/src/example.py b/src/example.py
new file mode 100644
index 0000000..c2360ba
--- /dev/null
+++ b/src/example.py
@@ -0,0 +1,99 @@
+#!/bin/python3
+'''
+Class and utilities to parse and export examples of data models in TOSCA
+'''
+import re
+import traceback
+
+from docx.text.paragraph import Paragraph
+
+class Example():
+
+ def __init__(self, filename, text):
+ self.filename = filename
+ self.text = text
+
+def is_start_of_example(line: str):
+ '''
+ Returns true if the line marks the start of an examples.
+ Check if lines starts with "tosca_definitions_version:"
+ '''
+ if not isinstance(line, str):
+ raise ValueError("NOT A STRING")
+
+ return line.startswith("tosca_definitions_version:")
+
+def is_body_of_example(line: str):
+ '''
+ Returns true if the line is part of the body of an example.
+ '''
+ return line.startswith("imports:") or\
+ line.startswith("node_types:") or\
+ line.startswith("topology_template:") or\
+ line.startswith("description:") or\
+ line.startswith("data_types:") or\
+ line.startswith(" ") or\
+ line.startswith(" ") or\
+ line == ""
+
+def get_example_file_name(line: str):
+ '''
+ '''
+ matches = re.search(r'[a-zA-Z0-9_.]*.yaml', line)
+ if matches is not None:
+ return matches.group(0)
+ return ""
+
+def parse_all_examples(txt):
+ '''
+ Parses TOSCA examples. Txt is a list of Docx items (Paragraph, etc.).
+ Returns a list of Example objects
+ '''
+
+ res = []
+ new_example = ""
+ filename = ""
+ i = 1
+ clause = ""
+ for line in txt:
+
+ if isinstance(line, Paragraph):
+ linetext = str(line.text)
+ if "Heading" in line.style.name:
+ clause = linetext.split("\t")[0]
+ i = 1
+ elif isinstance(line, str):
+ linetext = line
+ else:
+ continue
+
+ if is_start_of_example(linetext):
+ filename = get_example_file_name(previous_line)
+ if filename == "":
+ filename = "{:02d}".format(i) + ".yaml"
+ i = i + 1
+ filename = clause+"-"+filename
+ new_example = "# " + filename + "\n" + linetext
+ elif new_example != "" and is_body_of_example(linetext):
+ new_example = new_example + "\n" + linetext
+ elif len(new_example) > 0:
+ res.append(Example(filename, new_example))
+ new_example = ""
+
+ previous_line = linetext
+
+ return res
+
+def generate_examples_between(a_id, b_id, content, EXAMPLES):
+
+ try:
+ examples = parse_all_examples(content[a_id:b_id])
+ except:
+ track = traceback.format_exc()
+ print(track)
+ return 0
+
+ for example in examples:
+ EXAMPLES[example.filename] = example
+
+ return len(examples)
\ No newline at end of file
--
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