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Merge pull request #1020 from PCMDI/feature/1012_lee1043_stats-MoV_xcdat
Update MoV code to use xCDAT
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1,102 changes: 452 additions & 650 deletions
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doc/jupyter/Demo/Demo_4_modes_of_variability.ipynb
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| import warnings | ||
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| class StringConstructor: | ||
| """ | ||
| This class aims at spotting keywords in a string and replacing them. | ||
| """ | ||
|
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| def __init__(self, template=None): | ||
| """ | ||
| Instantiates a StringConstructor object. | ||
| """ | ||
| self.template = template | ||
| # Generate the keys and set them to empty | ||
| keys = self.keys() | ||
| for k in keys: | ||
| setattr(self, k, "") | ||
|
|
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| def keys(self, template=None): | ||
| if template is None: | ||
| template = self.template | ||
| if template is None: | ||
| return [] | ||
| # Determine the keywords in the template | ||
| keys = [] | ||
| template_split = template.split("%(")[1:] | ||
| if len(template_split) > 0: | ||
| for k in template_split: | ||
| sp = k.split(")") | ||
| if sp[0] not in keys: | ||
| keys.append(sp[0]) | ||
| return keys | ||
|
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| def construct(self, template=None, **kw): | ||
| """ | ||
| Accepts a string with an unlimited number of keywords to replace. | ||
| """ | ||
| if template is None: | ||
| template = self.template | ||
| # Replace the keywords with their values | ||
| for k in self.keys(): | ||
| if k not in kw: | ||
| warnings.warn(f"Keyword '{k}' not provided for filling the template.") | ||
| template = template.replace("%(" + k + ")", kw.get(k, getattr(self, k, ""))) | ||
| return template | ||
|
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||
| def reverse(self, name, debug=False): | ||
| """ | ||
| The reverse function attempts to take a template and derive its keyword values based on name parameter. | ||
| """ | ||
| out = {} | ||
| template = self.template | ||
| for k in self.keys(): | ||
| sp = template.split("%%(%s)" % k) | ||
| i1 = name.find(sp[0]) + len(sp[0]) | ||
| j1 = sp[1].find("%(") | ||
| if j1 == -1: | ||
| if sp[1] == "": | ||
| val = name[i1:] | ||
| else: | ||
| i2 = name.find(sp[1]) | ||
| val = name[i1:i2] | ||
| else: | ||
| i2 = name[i1:].find(sp[1][:j1]) | ||
| val = name[i1 : i1 + i2] | ||
| template = template.replace("%%(%s)" % k, val) | ||
| out[k] = val | ||
| if self.construct(self.template, **out) != name: | ||
| raise ValueError("Invalid pattern sent") | ||
| return out | ||
|
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| def __call__(self, *args, **kw): | ||
| """default call is construct function""" | ||
| return self.construct(*args, **kw) | ||
|
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||
|
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| def fill_template(template: str, **kwargs) -> str: | ||
| """ | ||
| Fill in a template string with keyword values. | ||
| Parameters | ||
| ---------- | ||
| - template (str): The template string containing keywords of the form '%(keyword)'. | ||
| - kwargs (dict): Keyword arguments with values to replace in the template. | ||
| Returns | ||
| ------- | ||
| - str: The filled-in string with replaced keywords. | ||
| Examples | ||
| -------- | ||
| >>> from pcmdi_metrics.utils import fill_template | ||
| >>> template = "This is a %(adjective) %(noun) that %(verb)." | ||
| >>> filled_string = fill_template(template, adjective="great", noun="example", verb="works") | ||
| >>> print(filled_string) # It will print "This is a great example that works." | ||
| """ | ||
| filler = StringConstructor(template) | ||
| filled_template = filler.construct(**kwargs) | ||
| return filled_template |
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