import os
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import logging
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logger = logging.getLogger('app.logger')
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class Console:
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def __init__(self, file):
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self.file = file
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self.base_dir = os.path.dirname(self.file)
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self.parent_dir = os.path.dirname(self.base_dir)
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def __repr__(self):
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return "<Console output: %s>" % self.file
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def __str__(self):
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if not os.path.isfile(self.file):
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return ""
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try:
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with open(self.file, 'r', encoding="utf-8") as f:
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return f.read()
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except IOError:
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logger.warn("Cannot read console file: %s" % self.file)
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return ""
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def __add__(self, other):
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self.append(other)
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return self
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def output(self):
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return str(self)
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def append(self, text):
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if os.path.isdir(self.parent_dir):
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try:
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# Write
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if not os.path.isdir(self.base_dir):
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os.makedirs(self.base_dir, exist_ok=True)
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with open(self.file, "a", encoding="utf-8") as f:
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f.write(text)
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except IOError:
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logger.warn("Cannot append to console file: %s" % self.file)
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def reset(self, text = ""):
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if os.path.isdir(self.parent_dir):
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try:
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if not os.path.isdir(self.base_dir):
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os.makedirs(self.base_dir, exist_ok=True)
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with open(self.file, "w", encoding="utf-8") as f:
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f.write(text)
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except IOError:
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logger.warn("Cannot reset console file: %s" % self.file)
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def delink(self):
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try:
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if os.path.isfile(self.file) and os.stat(self.file).st_nlink > 1:
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with open(self.file, "r", encoding="utf-8") as f:
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text = f.read()
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os.unlink(self.file)
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with open(self.file, "w", encoding="utf-8") as f:
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f.write(text)
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except OSError:
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logger.warn("Cannot delink console file: %s" % self.file)
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