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author | Zachary Sloan | 2012-11-28 15:01:54 -0600 |
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committer | Zachary Sloan | 2012-11-28 15:01:54 -0600 |
commit | a47111b7fce834924285d7a89b544c47473ce724 (patch) | |
tree | 8aee248a6fd4a5b09f143dc6a4a1906870413302 | |
parent | d1f2863c15f62ae37833fa1311870d7b1aab3355 (diff) | |
download | genenetwork2-a47111b7fce834924285d7a89b544c47473ce724.tar.gz |
Changed parser.py to deal with the wild card character (*) and to split by
">" and "<" in addition to "=" and ":"
-rw-r--r-- | wqflask/wqflask/parser.py | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/wqflask/wqflask/parser.py b/wqflask/wqflask/parser.py index 7711942a..a94a8842 100644 --- a/wqflask/wqflask/parser.py +++ b/wqflask/wqflask/parser.py @@ -27,23 +27,26 @@ from pprint import pformat as pf def parse(pstring): pstring = re.split(r"""(?:(\w+\s*=\s*[\(\[][^)]*[\)\]]) | # LRS=(1 2 3), cisLRS=[4 5 6], etc - (\w+\s*[=:]\w+) | # wiki=bar, GO:foobar, etc - (\w+)) # shh, brain, etc """, pstring, + (\w+\s*[=:\>\<][\w\*]+) | # wiki=bar, GO:foobar, etc + ([\w\*]+)) # shh, brain, etc """, pstring, flags=re.VERBOSE) pstring = [item.strip() for item in pstring if item and item.strip()] print(pstring) items = [] + separators = [re.escape(x) for x in (":", "=", "<", ">")] + separators = '([%s])' % ("".join(separators)) + + print("separators:", separators) + for item in pstring: - if ":" in item: - key, seperator, value = item.partition(':') - elif "=" in item: - key, seperator, value = item.partition('=') - else: - seperator = None + splat = re.split(separators, item) + print("splat is:", splat) - if seperator: + # splat is an array of 1 if no match, otherwise more than 1 + if len(splat) > 1: + key, separator, value = splat if '(' in value or '[' in value: assert value.startswith(("(", "[")), "Invalid token" assert value.endswith((")", "]")), "Invalid token" @@ -51,19 +54,21 @@ def parse(pstring): values = re.split(r"""\s+|,""", value) value = [value.strip() for value in values if value.strip()] term = dict(key=key, - seperator=seperator, + separator=separator, search_term=value) else: term = dict(key=None, - seperator=None, + separator=None, search_term = item) items.append(term) - print(pf(items)) + print(pf(items) + "\n") return(items) if __name__ == '__main__': parse("foo=[3 2 1]") + parse("WIKI=ho*") + parse("LRS>9") parse("foo=[3 2 1)") parse("foo=(3 2 1)") parse("shh") |